[INFO] fetching crate msica 0.4.1...
[INFO] building msica-0.4.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate msica 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msica 0.4.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44db5f5b687bc48d67c0c4d20652b6d04c8a6d7dcdd7ecdb8a484cf80fd9cd92
[INFO] running `Command { std: "docker" "start" "-a" "44db5f5b687bc48d67c0c4d20652b6d04c8a6d7dcdd7ecdb8a484cf80fd9cd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44db5f5b687bc48d67c0c4d20652b6d04c8a6d7dcdd7ecdb8a484cf80fd9cd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44db5f5b687bc48d67c0c4d20652b6d04c8a6d7dcdd7ecdb8a484cf80fd9cd92", kill_on_drop: false }`
[INFO] [stdout] 44db5f5b687bc48d67c0c4d20652b6d04c8a6d7dcdd7ecdb8a484cf80fd9cd92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9187d355e6ce8beb3cff198db373a448ceac369b8f6007be695f2c7b22f1e2
[INFO] running `Command { std: "docker" "start" "-a" "dc9187d355e6ce8beb3cff198db373a448ceac369b8f6007be695f2c7b22f1e2", 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" "dc9187d355e6ce8beb3cff198db373a448ceac369b8f6007be695f2c7b22f1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9187d355e6ce8beb3cff198db373a448ceac369b8f6007be695f2c7b22f1e2", kill_on_drop: false }`
[INFO] [stdout] dc9187d355e6ce8beb3cff198db373a448ceac369b8f6007be695f2c7b22f1e2