[INFO] crate nullvec 0.2.0 is already in cache
[INFO] testing nullvec-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate nullvec 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nullvec 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nullvec 0.2.0
[INFO] finished tweaking crates.io crate nullvec 0.2.0
[INFO] tweaked toml for crates.io crate nullvec 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29ca1b2cd021ea4448bec2fa45dfde974c01fe011adb5714b2a6557b44c3bd3a
[INFO] running `"docker" "start" "-a" "29ca1b2cd021ea4448bec2fa45dfde974c01fe011adb5714b2a6557b44c3bd3a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nullvec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `nullvec`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nullvec src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=ccd859680e1902c8 -C extra-filename=-ccd859680e1902c8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-9a49abb5dc704d82.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "29ca1b2cd021ea4448bec2fa45dfde974c01fe011adb5714b2a6557b44c3bd3a"`
[INFO] running `"docker" "rm" "-f" "29ca1b2cd021ea4448bec2fa45dfde974c01fe011adb5714b2a6557b44c3bd3a"`
[INFO] [stdout] 29ca1b2cd021ea4448bec2fa45dfde974c01fe011adb5714b2a6557b44c3bd3a