[INFO] fetching crate lpc55-hal 0.3.0...
[INFO] testing lpc55-hal-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lpc55-hal 0.3.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate lpc55-hal 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-74/source/.cargo/config
[INFO] started tweaking crates.io crate lpc55-hal 0.3.0
[INFO] finished tweaking crates.io crate lpc55-hal 0.3.0
[INFO] tweaked toml for crates.io crate lpc55-hal 0.3.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate lpc55-hal 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4063e543cd93519e8fe80155858501490fab13c8bb81f2e20db8ea583430b126
[INFO] running `Command { std: "docker" "start" "-a" "4063e543cd93519e8fe80155858501490fab13c8bb81f2e20db8ea583430b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4063e543cd93519e8fe80155858501490fab13c8bb81f2e20db8ea583430b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4063e543cd93519e8fe80155858501490fab13c8bb81f2e20db8ea583430b126", kill_on_drop: false }`
[INFO] [stdout] 4063e543cd93519e8fe80155858501490fab13c8bb81f2e20db8ea583430b126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40483820655dc8252e3c14b13bea057f8c80c6afd09e6632d1f190cbbb16354
[INFO] running `Command { std: "docker" "start" "-a" "b40483820655dc8252e3c14b13bea057f8c80c6afd09e6632d1f190cbbb16354", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling lpc55-pac v0.4.0
[INFO] [stderr]    Compiling lpc55-hal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling usb-device v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lpc55-pac-0.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="rt"' -C metadata=515b80dcd5b4c28b -C extra-filename=-515b80dcd5b4c28b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-b41e70f344ab4528.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-8186a7a61c45b470.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-f61acefe00d126b4.rmeta --cap-lints allow --cap-lints=warn -L /opt/rustwide/target/debug/build/lpc55-pac-35842d164cd6cc17/out -L /opt/rustwide/target/debug/build/cortex-m-rt-f4598dae662203aa/out` (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" "b40483820655dc8252e3c14b13bea057f8c80c6afd09e6632d1f190cbbb16354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40483820655dc8252e3c14b13bea057f8c80c6afd09e6632d1f190cbbb16354", kill_on_drop: false }`
[INFO] [stdout] b40483820655dc8252e3c14b13bea057f8c80c6afd09e6632d1f190cbbb16354