[INFO] fetching crate mk66f18 0.2.0...
[INFO] checking mk66f18-0.2.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate mk66f18 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mk66f18 0.2.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-8/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 351dcfc9da25dcfb076521e0d9e49f1a5b51addf547dd224b960842c469d5945
[INFO] running `Command { std: "docker" "start" "-a" "351dcfc9da25dcfb076521e0d9e49f1a5b51addf547dd224b960842c469d5945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351dcfc9da25dcfb076521e0d9e49f1a5b51addf547dd224b960842c469d5945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351dcfc9da25dcfb076521e0d9e49f1a5b51addf547dd224b960842c469d5945", kill_on_drop: false }`
[INFO] [stdout] 351dcfc9da25dcfb076521e0d9e49f1a5b51addf547dd224b960842c469d5945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ef584fbff8ccd5cd97ec5cdc62e9084668f97cb1d3cb19a65ea9aa4d2af05b
[INFO] running `Command { std: "docker" "start" "-a" "20ef584fbff8ccd5cd97ec5cdc62e9084668f97cb1d3cb19a65ea9aa4d2af05b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling mk66f18 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking aligned v0.3.1
[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 -C embed-bitcode=no -C debuginfo=2 -C metadata=5ff01e723fc12393 -C extra-filename=-5ff01e723fc12393 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-046197bc5408b3cc.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-5d265ba337d9c616.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-75395bd7235cc539.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "20ef584fbff8ccd5cd97ec5cdc62e9084668f97cb1d3cb19a65ea9aa4d2af05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ef584fbff8ccd5cd97ec5cdc62e9084668f97cb1d3cb19a65ea9aa4d2af05b", kill_on_drop: false }`
[INFO] [stdout] 20ef584fbff8ccd5cd97ec5cdc62e9084668f97cb1d3cb19a65ea9aa4d2af05b