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Rollup of 5 pull requests #99187

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wants to merge 34 commits into from
Closed

Rollup of 5 pull requests #99187

wants to merge 34 commits into from

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Dylan-DPC
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Successful merges:

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

oli-obk and others added 30 commits July 7, 2022 10:46
@oli-obk
UnsafeCell now has no niches, ever.
2a899dc
@oli-obk
Comment update
8d9f609
@oli-obk
Add tests for libstd types
4bfba76
@oli-obk
Create a custom layout path for UnsafeCell instead of piggy backing o…
69b1b3c 
…n the layout_scalar_valid_range logic
@jyn514
Add some autolabels for A-bootstrap and T-infra
bfb3afe
@oli-obk
More obvious closure name
4239155
@oli-obk
Hide niches in SIMD types, too
984db78
@oli-obk
Move checks to compile-time
3f4cf59
@oli-obk
Simplify assertion macro
af8536e
@oli-obk
Rename assertion macro
fef596f
@oli-obk
Show sizes in error output
9a20450
@oli-obk
Make tests work on 32 bit and 64 bit
fcd7207
@oli-obk
tidy
8440208
@RalfJung
factor 'is this type allowed as union field on stable' into separate …
b608043 
…function
@RalfJung
allow unions with mutable references and tuples of allowed types
55a1ccf
@RalfJung
also allow arrays of allowed types
cafbd73
@RalfJung
remove untagged_union feature gate
1401396
@RalfJung
assigning to a union field can never drop now
1cf6f5c
@oli-obk
Don't allow accidental runtime-checks
d935c70
@oli-obk
Simplify size checking
cdd6bba
@oli-obk
tidy
0318b70
@RalfJung
add array tests, cleanup, tidy, and bless
7a24f8e
@oli-obk
Only check relative sizes on platform specific types
3338593
@oli-obk
Use some more visible sigils than ,
24e8796
@oli-obk
Always check Cell alongside with UnsafeCell
7269196
@fee1-dead
check non_exhaustive attr and private fields for transparent types
944c0e2
@fee1-dead
add more tests
e652147
@fee1-dead
fix documentation
d812850
@lnicola
⬆️ rust-analyzer
697dfb5
@Dylan-DPC
Rollup merge of rust-lang#97995 - RalfJung:union-more-nodrop, r=Mark-…
6d3f51d 
…Simulacrum

allow unions with mutable references and tuples of allowed types

We currently allow shared references in unions, but not mutable references. That seems somewhat inconsistent. So let's allow all references, and while we are at it, let's make sure the set of allowed types is closed under tuples.

This will need T-lang FCP (at least).

Then remove the `tagged_unions` feature, since we do not plan to stabilize any more of it.
Closes rust-lang#55149
Dylan-DPC added 4 commits July 12, 2022 22:17
@Dylan-DPC
Rollup merge of rust-lang#99011 - oli-obk:UnsoundCell, r=eddyb
46fa356 
`UnsafeCell` blocks niches inside its nested type from being available outside

fixes rust-lang#87341

This implements the plan by `@eddyb` in rust-lang#87341 (comment)

Somewhat related PR (not strictly necessary, but that cleanup made this PR simpler): rust-lang#94527
@Dylan-DPC
Rollup merge of rust-lang#99020 - fee1-dead-contrib:repr_transparent_…
454e597 
…non_exhaustive, r=oli-obk

check non_exhaustive attr and private fields for transparent types

Fixes rust-lang#78586.
@Dylan-DPC
Rollup merge of rust-lang#99132 - jyn514:autolabel, r=Mark-Simulacrum
eccfe58 
Add some autolabels for A-bootstrap and T-infra
@Dylan-DPC
Rollup merge of rust-lang#99176 - lnicola:rust-analyzer-2022-07-12, r…
de5950f 
…=lnicola

⬆️ rust-analyzer

r? ``@ghost``
@rustbot rustbot added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Jul 12, 2022
@Dylan-DPC
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@bors r+ rollup=never p=5

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bors commented Jul 12, 2022

📌 Commit de5950f has been approved by Dylan-DPC

It is now in the queue for this repository.

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jul 12, 2022
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bors commented Jul 12, 2022

⌛ Testing commit de5950f with merge ada51e60893f55e3da2eaf1c8e3cde8440fb8e0f...

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bors commented Jul 12, 2022

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 12, 2022
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The job aarch64-gnu failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot) 

---- [ui] src/test/ui/invalid/invalid-llvm-passes.rs stdout ----
diff of stderr:

1 error: failed to run LLVM passes: unknown pass name 'unknown-pass'
+ thread '<unnamed>' panicked at 'assertion failed: `(left == right)`
+   left: `LLVMing`,
+   left: `LLVMing`,
+  right: `Codegenning`', $COMPILER_DIR/rustc_codegen_ssa/src/back/write.rs:1494:21
+ stack backtrace:
+    0:     0xffff793c187c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf6d3e5233ab5c32a
+    1:     0xffff7941e934 - core::fmt::write::h4e1a2f76f8e5c93a
+    2:     0xffff793b3d98 - std::io::Write::write_fmt::h797dabc6f9926b87
+    3:     0xffff793c46ec - std::panicking::default_hook::{{closure}}::h146a12c772b3b6db
+    4:     0xffff793c43e8 - std::panicking::default_hook::h40be46032d14cd3d
+    5:     0xffff7a3a6954 - rustc_driver[d444e7272f607202]::DEFAULT_HOOK::{closure#0}::{closure#0}
+    6:     0xffff793c4ea4 - std::panicking::rust_panic_with_hook::hc44eefe15148d043
+    7:     0xffff793c4cec - std::panicking::begin_panic_handler::{{closure}}::h2bedc385e7459238
+    8:     0xffff793c1dc4 - std::sys_common::backtrace::__rust_end_short_backtrace::h1e18079ce2f9a15f
+    9:     0xffff793c49ec - rust_begin_unwind
+   10:     0xffff7938160c - core::panicking::panic_fmt::h6750ff8f7796de68
+   11:     0xffff7941b3e0 - core::panicking::assert_failed_inner::h5287120d772ad7c2
+   12:     0xffff7a14fac0 - core[ae2479b836263677]::panicking::assert_failed::<rustc_codegen_ssa[367127703d545860]::back::write::MainThreadWorkerState, rustc_codegen_ssa[367127703d545860]::back::write::MainThreadWorkerState>
+   13:     0xffff7a61e840 - rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work::<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}
+   14:     0xffff7a61710c - std[ec9d766acf43f5c0]::sys_common::backtrace::__rust_begin_short_backtrace::<<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend as rustc_codegen_ssa[367127703d545860]::traits::backend::ExtraBackendMethods>::spawn_thread<rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#0}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>
+   15:     0xffff7a774f2c - <<std[ec9d766acf43f5c0]::thread::Builder>::spawn_unchecked_<<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend as rustc_codegen_ssa[367127703d545860]::traits::backend::ExtraBackendMethods>::spawn_thread<rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#0}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#1} as core[ae2479b836263677]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
+   16:     0xffff793cfc38 - std::sys::unix::thread::Thread::new::thread_start::h1843d9ec46b614d1
+   17:     0xffff7915e624 - start_thread
+   18:     0xffff7926d49c - <unknown>
+   19:                0x0 - <unknown>
+ error: internal compiler error: unexpected panic
+ 
+ note: the compiler unexpectedly panicked. this is a bug.
+ 
+ 
+ note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
+ 
+ note: rustc 1.64.0-nightly (ada51e608 2022-07-12) running on aarch64-unknown-linux-gnu
+ 
+ note: compiler flags: -Z threads=1 -C codegen-units=1 -Z ui-testing -Z deduplicate-diagnostics=no -C strip=debuginfo -C prefer-dynamic -C rpath -C debuginfo=0 -C passes=unknown-pass -Z new-llvm-pass-manager=yes
+ query stack during panic:
+ end of query stack
3 error: aborting due to previous error
4 
---
To only update this specific test, also pass `--test-args invalid/invalid-llvm-passes.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/aarch64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/invalid/invalid-llvm-passes.rs" "-Zthreads=1" "--target=aarch64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/aarch64-unknown-linux-gnu/test/ui/invalid/invalid-llvm-passes" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/aarch64-unknown-linux-gnu/native/rust-test-helpers" "-Cpasses=unknown-pass" "-Z" "new-llvm-pass-manager=yes" "-L" "/checkout/obj/build/aarch64-unknown-linux-gnu/test/ui/invalid/invalid-llvm-passes/auxiliary"
stdout: none
--- stderr -------------------------------
error: failed to run LLVM passes: unknown pass name 'unknown-pass'
thread '<unnamed>' panicked at 'assertion failed: `(left == right)`
  left: `LLVMing`,
  left: `LLVMing`,
 right: `Codegenning`', /checkout/compiler/rustc_codegen_ssa/src/back/write.rs:1494:21
stack backtrace:
   0:     0xffff793c187c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf6d3e5233ab5c32a
   1:     0xffff7941e934 - core::fmt::write::h4e1a2f76f8e5c93a
   2:     0xffff793b3d98 - std::io::Write::write_fmt::h797dabc6f9926b87
   3:     0xffff793c46ec - std::panicking::default_hook::{{closure}}::h146a12c772b3b6db
   4:     0xffff793c43e8 - std::panicking::default_hook::h40be46032d14cd3d
   5:     0xffff7a3a6954 - rustc_driver[d444e7272f607202]::DEFAULT_HOOK::{closure#0}::{closure#0}
   6:     0xffff793c4ea4 - std::panicking::rust_panic_with_hook::hc44eefe15148d043
   7:     0xffff793c4cec - std::panicking::begin_panic_handler::{{closure}}::h2bedc385e7459238
   8:     0xffff793c1dc4 - std::sys_common::backtrace::__rust_end_short_backtrace::h1e18079ce2f9a15f
   9:     0xffff793c49ec - rust_begin_unwind
  10:     0xffff7938160c - core::panicking::panic_fmt::h6750ff8f7796de68
  11:     0xffff7941b3e0 - core::panicking::assert_failed_inner::h5287120d772ad7c2
  12:     0xffff7a14fac0 - core[ae2479b836263677]::panicking::assert_failed::<rustc_codegen_ssa[367127703d545860]::back::write::MainThreadWorkerState, rustc_codegen_ssa[367127703d545860]::back::write::MainThreadWorkerState>
  13:     0xffff7a61e840 - rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work::<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}
  14:     0xffff7a61710c - std[ec9d766acf43f5c0]::sys_common::backtrace::__rust_begin_short_backtrace::<<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend as rustc_codegen_ssa[367127703d545860]::traits::backend::ExtraBackendMethods>::spawn_thread<rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#0}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>
  15:     0xffff7a774f2c - <<std[ec9d766acf43f5c0]::thread::Builder>::spawn_unchecked_<<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend as rustc_codegen_ssa[367127703d545860]::traits::backend::ExtraBackendMethods>::spawn_thread<rustc_codegen_ssa[367127703d545860]::back::write::start_executing_work<rustc_codegen_llvm[5f50436ea3ed4deb]::LlvmCodegenBackend>::{closure#4}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#0}, core[ae2479b836263677]::result::Result<rustc_codegen_ssa[367127703d545860]::back::write::CompiledModules, ()>>::{closure#1} as core[ae2479b836263677]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  16:     0xffff793cfc38 - std::sys::unix::thread::Thread::new::thread_start::h1843d9ec46b614d1
  17:     0xffff7915e624 - start_thread
  18:     0xffff7926d49c - <unknown>
  19:                0x0 - <unknown>
error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.


note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.64.0-nightly (ada51e608 2022-07-12) running on aarch64-unknown-linux-gnu

note: compiler flags: -Z threads=1 -C codegen-units=1 -Z ui-testing -Z deduplicate-diagnostics=no -C strip=debuginfo -C prefer-dynamic -C rpath -C debuginfo=0 -C passes=unknown-pass -Z new-llvm-pass-manager=yes
query stack during panic:
end of query stack
error: aborting due to previous error
------------------------------------------

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The job x86_64-gnu-tools failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot) 
  IMAGE: x86_64-gnu-tools
##[endgroup]
From https://github.com/rust-lang/rust
 * branch              master     -> FETCH_HEAD
Searching for toolstate changes between 1c7b36d4db582cb47513a6c7176baaec1c3346ab and 578f6d32357a920020ba8e2fc602b954e2901ba4
Submodules were updated
##[group]Run src/ci/scripts/verify-channel.sh
src/ci/scripts/verify-channel.sh
shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
env:
---
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error[E0740]: unions cannot contain fields that may need dropping
>  --> $DIR/union.rs:LL:CC
>   |
>LL |         s: S,
>LL |         s: S,
>   |         ^^^^
>   |
>   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
>help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
>   |
>LL |         s: std::mem::ManuallyDrop<S>,
>   |            +++++++++++++++++++++++ +
>error: aborting due to 2 previous errors
>
>Some errors have detailed explanations: E0557, E0740.
>For more information about an error, try `rustc --explain E0557`.
---
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error: aborting due to previous error
>
>For more information about this error, try `rustc --explain E0557`.
>
---

---- compile_test stdout ----
diff of stderr:

-error: you are implementing `Clone` explicitly on a `Copy` type
+error[E0557]: feature has been removed
+  --> $DIR/derive.rs:1:12
    |
    |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+LL | #![feature(untagged_unions)]
    |
    |
-   = note: `-D clippy::expl-impl-clone-on-copy` implied by `-D warnings`
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
 
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-error: aborting due to 5 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args derive.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/derive.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/derive.rs","byte_start":11,"byte_end":26,"line_start":1,"line_end":1,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/derive.rs:1:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

---
-   |     ^^
+LL | #![feature(untagged_unions)]
+   |            ^^^^^^^^^^^^^^^ feature has been removed
    |
-   = note: `-D clippy::no-effect` implied by `-D warnings`
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
-error: statement with no effect
-  --> $DIR/no_effect.rs:96:5
-   |
-LL |     s2;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:99:5
-   |
-LL |     Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:100:5
-   |
-   |
-LL |     Struct { ..s };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:101:5
-   |
-   |
-LL |     Union { a: 0 };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:102:5
-   |
-LL |     Enum::Tuple(0);
-LL |     Enum::Tuple(0);
-   |     ^^^^^^^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:103:5
-   |
-LL |     Enum::Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:104:5
-   |
-LL |     5 + 6;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:115:5
-   |
-LL |     [42, 55][1];
-   |     ^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:116:5
-   |
-   |
-LL |     (42, 55).1;
-   |     ^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:117:5
-   |
-   |
-LL |     [42; 55];
-   |     ^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:118:5
-   |
-   |
-LL |     [42; 55][13];
-   |     ^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:120:5
-   |
-   |
-LL |     || x += 5;
-   |     ^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:122:5
-   |
-   |
-LL |     FooString { s: s };
-   |     ^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _unused = 1;
-   |     ^^^^^^^^^^^^^^^^
-   |
-   = note: `-D clippy::no-effect-underscore-binding` implied by `-D warnings`
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _penguin = || println!("Some helpful closure");
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _duck = Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _cat = [2, 4, 6, 8][2];
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: aborting due to 30 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args no_effect.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/no_effect.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/no_effect.rs","byte_start":232,"byte_end":247,"line_start":7,"line_end":7,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/no_effect.rs:7:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

@bors
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bors commented Jul 12, 2022

⌛ Testing commit de5950f with merge 123d1811afdced5558d8b6b4493f403be7272cf3...

@bors
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bors commented Jul 12, 2022

⌛ Testing commit de5950f with merge 1ea6b9eda41b69a8cbd489d82b783cc466c38fd2...

@rust-log-analyzer
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The job x86_64-gnu-tools failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot) 
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error: aborting due to previous error
>
>For more information about this error, try `rustc --explain E0557`.
>
---
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error[E0740]: unions cannot contain fields that may need dropping
>  --> $DIR/union.rs:LL:CC
>   |
>LL |         s: S,
>LL |         s: S,
>   |         ^^^^
>   |
>   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
>help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
>   |
>LL |         s: std::mem::ManuallyDrop<S>,
>   |            +++++++++++++++++++++++ +
>error: aborting due to 2 previous errors
>
>Some errors have detailed explanations: E0557, E0740.
>For more information about an error, try `rustc --explain E0557`.
---

---- compile_test stdout ----
diff of stderr:

-error: you are implementing `Clone` explicitly on a `Copy` type
+error[E0557]: feature has been removed
+  --> $DIR/derive.rs:1:12
    |
    |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+LL | #![feature(untagged_unions)]
    |
    |
-   = note: `-D clippy::expl-impl-clone-on-copy` implied by `-D warnings`
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
 
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-error: aborting due to 5 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args derive.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/derive.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/derive.rs","byte_start":11,"byte_end":26,"line_start":1,"line_end":1,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/derive.rs:1:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

---
-   |     ^^
+LL | #![feature(untagged_unions)]
+   |            ^^^^^^^^^^^^^^^ feature has been removed
    |
-   = note: `-D clippy::no-effect` implied by `-D warnings`
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
-error: statement with no effect
-  --> $DIR/no_effect.rs:96:5
-   |
-LL |     s2;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:99:5
-   |
-LL |     Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:100:5
-   |
-   |
-LL |     Struct { ..s };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:101:5
-   |
-   |
-LL |     Union { a: 0 };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:102:5
-   |
-LL |     Enum::Tuple(0);
-LL |     Enum::Tuple(0);
-   |     ^^^^^^^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:103:5
-   |
-LL |     Enum::Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:104:5
-   |
-LL |     5 + 6;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:115:5
-   |
-LL |     [42, 55][1];
-   |     ^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:116:5
-   |
-   |
-LL |     (42, 55).1;
-   |     ^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:117:5
-   |
-   |
-LL |     [42; 55];
-   |     ^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:118:5
-   |
-   |
-LL |     [42; 55][13];
-   |     ^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:120:5
-   |
-   |
-LL |     || x += 5;
-   |     ^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:122:5
-   |
-   |
-LL |     FooString { s: s };
-   |     ^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _unused = 1;
-   |     ^^^^^^^^^^^^^^^^
-   |
-   = note: `-D clippy::no-effect-underscore-binding` implied by `-D warnings`
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _penguin = || println!("Some helpful closure");
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _duck = Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _cat = [2, 4, 6, 8][2];
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: aborting due to 30 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args no_effect.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/no_effect.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/no_effect.rs","byte_start":232,"byte_end":247,"line_start":7,"line_end":7,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/no_effect.rs:7:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

@bors
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bors commented Jul 12, 2022

💔 Test failed - checks-actions

@rust-log-analyzer
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The job x86_64-gnu-tools failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot) 
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error: aborting due to previous error
>
>For more information about this error, try `rustc --explain E0557`.
>
---
>   |
>LL | #![feature(untagged_unions)]
>   |            ^^^^^^^^^^^^^^^ feature has been removed
>   |
>   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
>error[E0740]: unions cannot contain fields that may need dropping
>  --> $DIR/union.rs:LL:CC
>   |
>LL |         s: S,
>LL |         s: S,
>   |         ^^^^
>   |
>   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
>help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
>   |
>LL |         s: std::mem::ManuallyDrop<S>,
>   |            +++++++++++++++++++++++ +
>error: aborting due to 2 previous errors
>
>Some errors have detailed explanations: E0557, E0740.
>For more information about an error, try `rustc --explain E0557`.
---

---- compile_test stdout ----
diff of stderr:

-error: you are implementing `Clone` explicitly on a `Copy` type
+error[E0557]: feature has been removed
+  --> $DIR/derive.rs:1:12
    |
    |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+LL | #![feature(untagged_unions)]
    |
    |
-   = note: `-D clippy::expl-impl-clone-on-copy` implied by `-D warnings`
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for Qux {
-LL | |     fn clone(&self) -> Self {
-LL | |         Qux
-LL | |     }
-LL | | }
-   | |_^
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<'a> Clone for Lt<'a> {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
 
 
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for BigArray {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl Clone for FnPtr {
-LL | |     fn clone(&self) -> Self {
-LL | |         unimplemented!()
-LL | |     }
-LL | | }
-   | |_^
-
-error: you are implementing `Clone` explicitly on a `Copy` type
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-   |
-note: consider deriving `Clone` or removing `Copy`
-   |
-   |
-LL | / impl<T: Clone> Clone for Generic2<T> {
-LL | |     fn clone(&self) -> Self {
-LL | |         Self(self.0.clone())
-LL | |     }
-LL | | }
-   | |_^
-error: aborting due to 5 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args derive.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/derive.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/derive.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/derive.rs","byte_start":11,"byte_end":26,"line_start":1,"line_end":1,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/derive.rs:1:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

---
-   |     ^^
+LL | #![feature(untagged_unions)]
+   |            ^^^^^^^^^^^^^^^ feature has been removed
    |
-   = note: `-D clippy::no-effect` implied by `-D warnings`
+   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
-error: statement with no effect
-  --> $DIR/no_effect.rs:96:5
-   |
-LL |     s2;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:99:5
-   |
-LL |     Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:100:5
-   |
-   |
-LL |     Struct { ..s };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:101:5
-   |
-   |
-LL |     Union { a: 0 };
-   |     ^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:102:5
-   |
-LL |     Enum::Tuple(0);
-LL |     Enum::Tuple(0);
-   |     ^^^^^^^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:103:5
-   |
-LL |     Enum::Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:104:5
-   |
-LL |     5 + 6;
---
-   |     ^^^^^^^^^
-
-error: statement with no effect
-  --> $DIR/no_effect.rs:115:5
-   |
-LL |     [42, 55][1];
-   |     ^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:116:5
-   |
-   |
-LL |     (42, 55).1;
-   |     ^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:117:5
-   |
-   |
-LL |     [42; 55];
-   |     ^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:118:5
-   |
-   |
-LL |     [42; 55][13];
-   |     ^^^^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:120:5
-   |
-   |
-LL |     || x += 5;
-   |     ^^^^^^^^^^
-error: statement with no effect
-  --> $DIR/no_effect.rs:122:5
-   |
-   |
-LL |     FooString { s: s };
-   |     ^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _unused = 1;
-   |     ^^^^^^^^^^^^^^^^
-   |
-   = note: `-D clippy::no-effect-underscore-binding` implied by `-D warnings`
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _penguin = || println!("Some helpful closure");
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _duck = Struct { field: 0 };
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: binding to `_` prefixed variable with no side-effect
-   |
-   |
-LL |     let _cat = [2, 4, 6, 8][2];
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: aborting due to 30 previous errors
-
+For more information about this error, try `rustc --explain E0557`.
 
---
To only update this specific test, also pass `--test-args no_effect.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/clippy-driver" "tests/ui/no_effect.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id" "-A" "unused" "--emit=metadata" "-Dwarnings" "-Zui-testing" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps" "-L" "dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps" "--extern" "syn=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libsyn-0c795f7a8756f15a.rlib" "--extern" "quote=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libquote-021aec868151835c.rlib" "--extern" "futures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libfutures-61ecef333190a996.rlib" "--extern" "clippy_lints=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_lints-ff530e80824c3a36.rlib" "--extern" "itertools=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libitertools-cdd893c121eb00e4.rlib" "--extern" "clippy_utils=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libclippy_utils-b92911696ae4394a.rlib" "--extern" "serde_derive=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libserde_derive-5411643be5ff72c2.so" "--extern" "rustc_semver=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/librustc_semver-963bbd3f89834643.rlib" "--extern" "parking_lot=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libparking_lot-aceff80e643e9fe7.rlib" "--extern" "if_chain=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libif_chain-03f75cdc6d4d3afc.rlib" "--extern" "derive_new=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps/libderive_new-71205fa4273edf27.so" "--extern" "tokio=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libtokio-dcc59fbd39a40970.rlib" "--extern" "regex=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libregex-7d13fa063f867ef0.rlib" "--extern" "serde=/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/libserde-46430df947b7dad0.rlib" "--edition=2021" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/test/ui/no_effect.stage-id.aux"
------------------------------------------

------------------------------------------
stderr:
stderr:
------------------------------------------
{"message":"feature has been removed","code":{"code":"E0557","explanation":"A feature attribute named a feature that has been removed.\n\nErroneous code example:\n\n```compile_fail,E0557\n#![feature(managed_boxes)] // error: feature has been removed\n```\n\nDelete the offending feature attribute.\n"},"level":"error","spans":[{"file_name":"tests/ui/no_effect.rs","byte_start":232,"byte_end":247,"line_start":7,"line_end":7,"column_start":12,"column_end":27,"is_primary":true,"text":[{"text":"#![feature(untagged_unions)]","highlight_start":12,"highlight_end":27}],"label":"feature has been removed","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"error[E0557]: feature has been removed\n  --> tests/ui/no_effect.rs:7:12\n   |\nLL | #![feature(untagged_unions)]\n   |            ^^^^^^^^^^^^^^^ feature has been removed\n   |\n   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more\n\n"}
{"message":"For more information about this error, try `rustc --explain E0557`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0557`.\n"}

------------------------------------------

@Dylan-DPC Dylan-DPC mentioned this pull request Jul 13, 2022
Merged
@Dylan-DPC Dylan-DPC closed this Jul 13, 2022
@Dylan-DPC Dylan-DPC deleted the rollup-d31tvxr branch July 13, 2022 06:44
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@Dylan-DPC @bors @rust-log-analyzer @rustbot @oli-obk @jyn514 @RalfJung @fee1-dead @lnicola