[INFO] fetching crate mk66f18 0.2.0...
[INFO] testing mk66f18-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mk66f18 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mk66f18 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mk66f18 0.2.0
[INFO] finished tweaking crates.io crate mk66f18 0.2.0
[INFO] tweaked toml for crates.io crate mk66f18 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mk66f18 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2bf77c15c0d75229f9d40fd7399b9b80c75d6ddc9e5fef7ff5b88f60ac1d66a
[INFO] running `Command { std: "docker" "start" "-a" "f2bf77c15c0d75229f9d40fd7399b9b80c75d6ddc9e5fef7ff5b88f60ac1d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2bf77c15c0d75229f9d40fd7399b9b80c75d6ddc9e5fef7ff5b88f60ac1d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bf77c15c0d75229f9d40fd7399b9b80c75d6ddc9e5fef7ff5b88f60ac1d66a", kill_on_drop: false }`
[INFO] [stdout] f2bf77c15c0d75229f9d40fd7399b9b80c75d6ddc9e5fef7ff5b88f60ac1d66a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb6e7b46daf5080fcd8922fa71efb592aa1d5aae4222c71673fcce4b5555f45
[INFO] running `Command { std: "docker" "start" "-a" "3cb6e7b46daf5080fcd8922fa71efb592aa1d5aae4222c71673fcce4b5555f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling mk66f18 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mk66f18`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mk66f18 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=70443254f48447cf -C extra-filename=-70443254f48447cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-2703dbeed8d39a3d.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-8fa478a91149d0c8.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-7e84a1a1be6bc4e6.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3cb6e7b46daf5080fcd8922fa71efb592aa1d5aae4222c71673fcce4b5555f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb6e7b46daf5080fcd8922fa71efb592aa1d5aae4222c71673fcce4b5555f45", kill_on_drop: false }`
[INFO] [stdout] 3cb6e7b46daf5080fcd8922fa71efb592aa1d5aae4222c71673fcce4b5555f45
