[INFO] fetching crate emu-audio 0.1.2...
[INFO] testing emu-audio-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate emu-audio 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate emu-audio 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emu-audio 0.1.2
[INFO] finished tweaking crates.io crate emu-audio 0.1.2
[INFO] tweaked toml for crates.io crate emu-audio 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emu-core-audio-driver v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a469fc09e406570cdc04854b3ea21e141e43606572cc95d2c57734f77806f633
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a469fc09e406570cdc04854b3ea21e141e43606572cc95d2c57734f77806f633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a469fc09e406570cdc04854b3ea21e141e43606572cc95d2c57734f77806f633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a469fc09e406570cdc04854b3ea21e141e43606572cc95d2c57734f77806f633", kill_on_drop: false }`
[INFO] [stdout] a469fc09e406570cdc04854b3ea21e141e43606572cc95d2c57734f77806f633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 564bd2ada3cd52cb13fccb23dc8698a02703daa67e17370d6ab306244b381d34
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "564bd2ada3cd52cb13fccb23dc8698a02703daa67e17370d6ab306244b381d34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling emu-audio-types v0.1.0
[INFO] [stderr]    Compiling coreaudio-sys v0.1.2
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coreaudio-sys-0.1.2/src/audio_unit.rs:6380:1
[INFO] [stdout]      |
[INFO] [stdout] 6380 | #[link(name = "AudioUnit", kind = "framework")]
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coreaudio-sys-0.1.2/src/audio_unit.rs:6739:1
[INFO] [stdout]      |
[INFO] [stdout] 6739 | #[link(name = "AudioUnit", kind = "framework")]
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coreaudio-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "564bd2ada3cd52cb13fccb23dc8698a02703daa67e17370d6ab306244b381d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564bd2ada3cd52cb13fccb23dc8698a02703daa67e17370d6ab306244b381d34", kill_on_drop: false }`
[INFO] [stdout] 564bd2ada3cd52cb13fccb23dc8698a02703daa67e17370d6ab306244b381d34