[INFO] fetching crate lpc55-pac 0.4.0...
[INFO] testing lpc55-pac-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lpc55-pac 0.4.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate lpc55-pac 0.4.0 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] started tweaking crates.io crate lpc55-pac 0.4.0
[INFO] finished tweaking crates.io crate lpc55-pac 0.4.0
[INFO] tweaked toml for crates.io crate lpc55-pac 0.4.0 written to /workspace/builds/worker-84/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 4a5386c1d67db4d0938b354593da302927530f161cf96a6affbddd0dcc768d88
[INFO] running `Command { std: "docker" "start" "-a" "4a5386c1d67db4d0938b354593da302927530f161cf96a6affbddd0dcc768d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5386c1d67db4d0938b354593da302927530f161cf96a6affbddd0dcc768d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5386c1d67db4d0938b354593da302927530f161cf96a6affbddd0dcc768d88", kill_on_drop: false }`
[INFO] [stdout] 4a5386c1d67db4d0938b354593da302927530f161cf96a6affbddd0dcc768d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] ff5b73ff27021945b7ba346a65d76d6d4f73f912f73b4e8bd72cd6e31dfb179b
[INFO] running `Command { std: "docker" "start" "-a" "ff5b73ff27021945b7ba346a65d76d6d4f73f912f73b4e8bd72cd6e31dfb179b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling lpc55-pac v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr] error: could not compile `lpc55-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lpc55_pac --edition=2018 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=2225319f8aae56e0 -C extra-filename=-2225319f8aae56e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-f6239ed658e32d2d.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-43732874c2367b5d.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ff5b73ff27021945b7ba346a65d76d6d4f73f912f73b4e8bd72cd6e31dfb179b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5b73ff27021945b7ba346a65d76d6d4f73f912f73b4e8bd72cd6e31dfb179b", kill_on_drop: false }`
[INFO] [stdout] ff5b73ff27021945b7ba346a65d76d6d4f73f912f73b4e8bd72cd6e31dfb179b