[INFO] updating cached repository https://github.com/Caspinol/stm32f401xx
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffd5f00bbbfa66912d0457f53c5b800cbbd45857
[INFO] checking Caspinol/stm32f401xx against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caspinol/stm32f401xx on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] finished tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] tweaked toml for git repo https://github.com/Caspinol/stm32f401xx written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Caspinol/stm32f401xx already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a055f6ce2790c4d791d99fd04cd9a689d6fe429c65ea8a5286172e0ce54a026
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3a055f6ce2790c4d791d99fd04cd9a689d6fe429c65ea8a5286172e0ce54a026"`
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking stm32f401xx v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stm32f401xx`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32f401xx src/lib.rs --color never --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=0d619658e9d7e919 -C extra-filename=-0d619658e9d7e919 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-04c89bf9c6adb030.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-d093004767e5524a.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-95ca7b39f25005f0.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" "3a055f6ce2790c4d791d99fd04cd9a689d6fe429c65ea8a5286172e0ce54a026"`
[INFO] running `"docker" "rm" "-f" "3a055f6ce2790c4d791d99fd04cd9a689d6fe429c65ea8a5286172e0ce54a026"`
[INFO] [stdout] 3a055f6ce2790c4d791d99fd04cd9a689d6fe429c65ea8a5286172e0ce54a026