[INFO] crate efm32pg12-pac 0.2.1 is already in cache
[INFO] checking efm32pg12-pac-0.2.1 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate efm32pg12-pac 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate efm32pg12-pac 0.2.1 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate efm32pg12-pac 0.2.1
[INFO] finished tweaking crates.io crate efm32pg12-pac 0.2.1
[INFO] tweaked toml for crates.io crate efm32pg12-pac 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b52d2d28f7d5181720e5b10b5dce0392e3853d1aeff028da30bfb5c60bc4c9f7
[INFO] running `"docker" "start" "-a" "b52d2d28f7d5181720e5b10b5dce0392e3853d1aeff028da30bfb5c60bc4c9f7"`
[INFO] [stderr]    Compiling efm32pg12-pac v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `efm32pg12-pac`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name efm32pg12_pac --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=df61d1b877976e91 -C extra-filename=-df61d1b877976e91 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-6627de0c1ebc3bfb.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-486a2912223aac4b.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-fbc4479ec9300e7c.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 `"docker" "inspect" "b52d2d28f7d5181720e5b10b5dce0392e3853d1aeff028da30bfb5c60bc4c9f7"`
[INFO] running `"docker" "rm" "-f" "b52d2d28f7d5181720e5b10b5dce0392e3853d1aeff028da30bfb5c60bc4c9f7"`
[INFO] [stdout] b52d2d28f7d5181720e5b10b5dce0392e3853d1aeff028da30bfb5c60bc4c9f7