[INFO] crate k64 0.1.0 is already in cache
[INFO] checking k64-0.1.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate k64 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate k64 0.1.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 4de11fa61bce18d1164ad6eec15c8877cf13d1eaf1342871eb1761b5e6f27412
[INFO] running `"docker" "start" "-a" "4de11fa61bce18d1164ad6eec15c8877cf13d1eaf1342871eb1761b5e6f27412"`
[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=56f74c6acc08354b -C extra-filename=-56f74c6acc08354b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-cb7e804a4ee23c60.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-8e2ae79f5172d823.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-16c9b7c888332f45.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=9a007c4317a057f5 -C extra-filename=-9a007c4317a057f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-cb7e804a4ee23c60.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-8e2ae79f5172d823.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-16c9b7c888332f45.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "4de11fa61bce18d1164ad6eec15c8877cf13d1eaf1342871eb1761b5e6f27412"`
[INFO] running `"docker" "rm" "-f" "4de11fa61bce18d1164ad6eec15c8877cf13d1eaf1342871eb1761b5e6f27412"`
[INFO] [stdout] 4de11fa61bce18d1164ad6eec15c8877cf13d1eaf1342871eb1761b5e6f27412