[INFO] fetching crate msica 0.4.1...
[INFO] testing msica-0.4.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate msica 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate msica 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate msica 0.4.1
[INFO] tweaked toml for crates.io crate msica 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msica 0.4.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msica 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 844e2fa9a75e9715c2924d5c86fc120c5c7581ec8831c85c5de9aa0f091f4985
[INFO] running `Command { std: "docker" "start" "-a" "844e2fa9a75e9715c2924d5c86fc120c5c7581ec8831c85c5de9aa0f091f4985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "844e2fa9a75e9715c2924d5c86fc120c5c7581ec8831c85c5de9aa0f091f4985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844e2fa9a75e9715c2924d5c86fc120c5c7581ec8831c85c5de9aa0f091f4985", kill_on_drop: false }`
[INFO] [stdout] 844e2fa9a75e9715c2924d5c86fc120c5c7581ec8831c85c5de9aa0f091f4985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b196f20d7a0de8920e912106a9de9e9ebc4aefc728398ac21e9c2c12f9e27e5
[INFO] running `Command { std: "docker" "start" "-a" "9b196f20d7a0de8920e912106a9de9e9ebc4aefc728398ac21e9c2c12f9e27e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling msica v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: supported on windows only
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | compile_error!("supported on windows only");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msica` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9b196f20d7a0de8920e912106a9de9e9ebc4aefc728398ac21e9c2c12f9e27e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b196f20d7a0de8920e912106a9de9e9ebc4aefc728398ac21e9c2c12f9e27e5", kill_on_drop: false }`
[INFO] [stdout] 9b196f20d7a0de8920e912106a9de9e9ebc4aefc728398ac21e9c2c12f9e27e5