[INFO] fetching crate coremidi 0.5.0...
[INFO] testing coremidi-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate coremidi 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate coremidi 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate coremidi 0.5.0
[INFO] finished tweaking crates.io crate coremidi 0.5.0
[INFO] tweaked toml for crates.io crate coremidi 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1302e8cfbb8b160c256839dd7817aca1577ab4221edeb46b2929d823176653f
[INFO] running `Command { std: "docker" "start" "-a" "f1302e8cfbb8b160c256839dd7817aca1577ab4221edeb46b2929d823176653f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1302e8cfbb8b160c256839dd7817aca1577ab4221edeb46b2929d823176653f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1302e8cfbb8b160c256839dd7817aca1577ab4221edeb46b2929d823176653f", kill_on_drop: false }`
[INFO] [stdout] f1302e8cfbb8b160c256839dd7817aca1577ab4221edeb46b2929d823176653f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc3b665d0ba9b9acfb1c4c3dd9dd32f5f086d378db946af729fc426298e5f07c
[INFO] running `Command { std: "docker" "start" "-a" "fc3b665d0ba9b9acfb1c4c3dd9dd32f5f086d378db946af729fc426298e5f07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.2.3
[INFO] [stderr]    Compiling coremidi-sys v2.0.2
[INFO] [stdout] error: native frameworks are only available on macOS targets
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-foundation-sys` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fc3b665d0ba9b9acfb1c4c3dd9dd32f5f086d378db946af729fc426298e5f07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3b665d0ba9b9acfb1c4c3dd9dd32f5f086d378db946af729fc426298e5f07c", kill_on_drop: false }`
[INFO] [stdout] fc3b665d0ba9b9acfb1c4c3dd9dd32f5f086d378db946af729fc426298e5f07c