[INFO] crate k64 0.1.0 is already in cache
[INFO] checking k64-0.1.0 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate k64 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate k64 0.1.0 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate k64 0.1.0
[INFO] finished tweaking crates.io crate k64 0.1.0
[INFO] tweaked toml for crates.io crate k64 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 6ef8303abd4effaebf495e3599df1417b581e501e8b9efbf22e74538f5d63d9b
[INFO] running `"docker" "start" "-a" "6ef8303abd4effaebf495e3599df1417b581e501e8b9efbf22e74538f5d63d9b"`
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling k64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `k64`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name k64 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=f3f2827afb1671c9 -C extra-filename=-f3f2827afb1671c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e0a31e8e3a17a3c3.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0e20869d9dcf495b.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-f887443a6cc825d3.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `k64`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name k64 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=51aa4b3e52bf7c20 -C extra-filename=-51aa4b3e52bf7c20 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e0a31e8e3a17a3c3.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0e20869d9dcf495b.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-f887443a6cc825d3.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "6ef8303abd4effaebf495e3599df1417b581e501e8b9efbf22e74538f5d63d9b"`
[INFO] running `"docker" "rm" "-f" "6ef8303abd4effaebf495e3599df1417b581e501e8b9efbf22e74538f5d63d9b"`
[INFO] [stdout] 6ef8303abd4effaebf495e3599df1417b581e501e8b9efbf22e74538f5d63d9b