compile error with the latest spotty-dev branch

[bitr0tator]

Compiling librespot-audio v0.6.0 (/usr/src/librespot/audio)
Compiling librespot-metadata v0.6.0 (/usr/src/librespot/metadata)
error: failed to run custom build command for dns-sd v0.1.3

Caused by:
process didn't exit successfully: /usr/src/librespot/target/release/build/dns-sd-ac5424233d5e2b48/build-script-build (exit status: 101)
--- stdout
cargo:rerun-if-env-changed=AVAHI_COMPAT_LIBDNS_SD_NO_PKG_CONFIG
cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu
cargo:rerun-if-env-changed=HOST_PKG_CONFIG
cargo:rerun-if-env-changed=PKG_CONFIG
cargo:rerun-if-env-changed=AVAHI_COMPAT_LIBDNS_SD_STATIC
cargo:rerun-if-env-changed=AVAHI_COMPAT_LIBDNS_SD_DYNAMIC
cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
cargo:rerun-if-env-changed=PKG_CONFIG_PATH
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR

--- stderr
thread 'main' panicked at /root/.cargo/registry/src/index.crates.io-6f17d22bba15001f/dns-sd-0.1.3/build.rs:8:60:
called Result::unwrap() on an Err value: "\npkg-config exited with status code 1\n> PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags avahi-compat-libdns_sd\n\nThe system library avahi-compat-libdns_sd required by crate dns-sd was not found.\nThe file avahi-compat-libdns_sd.pc needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory.\nThe PKG_CONFIG_PATH environment variable is not set.\n\nHINT: if you have installed the library, try setting PKG_CONFIG_PATH to the directory containing avahi-compat-libdns_sd.pc.\n"
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...

[michaelherger]

This seems to be caused by the very last commit (e24725d). Try reverting that, or setting the feature list manually to the old values.