[INFO] crate mkl26z4 0.1.1 is already in cache
[INFO] checking mkl26z4-0.1.1 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate mkl26z4 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mkl26z4 0.1.1 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mkl26z4 0.1.1
[INFO] finished tweaking crates.io crate mkl26z4 0.1.1
[INFO] tweaked toml for crates.io crate mkl26z4 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "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] 85aaeff5a085b6b08884bb2bdb9c941d42bb71da80f13510f146eaa6ae73121f
[INFO] running `"docker" "start" "-a" "85aaeff5a085b6b08884bb2bdb9c941d42bb71da80f13510f146eaa6ae73121f"`
[INFO] [stderr]    Compiling mkl26z4 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mkl26z4`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name mkl26z4 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=94ecd686c73ce90a -C extra-filename=-94ecd686c73ce90a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-cf6a7d9b28a3505d.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-450459b4248d1f34.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-eed0fe125b4f9c2b.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" "85aaeff5a085b6b08884bb2bdb9c941d42bb71da80f13510f146eaa6ae73121f"`
[INFO] running `"docker" "rm" "-f" "85aaeff5a085b6b08884bb2bdb9c941d42bb71da80f13510f146eaa6ae73121f"`
[INFO] [stdout] 85aaeff5a085b6b08884bb2bdb9c941d42bb71da80f13510f146eaa6ae73121f