[INFO] crate nrf52840-pac 0.8.0 is already in cache
[INFO] checking nrf52840-pac-0.8.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate nrf52840-pac 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nrf52840-pac 0.8.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nrf52840-pac 0.8.0
[INFO] finished tweaking crates.io crate nrf52840-pac 0.8.0
[INFO] tweaked toml for crates.io crate nrf52840-pac 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4510616e6fa1b7d74f51228892a9d4dc528161cd30210461e3dbe3b925e8b1f6
[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" "4510616e6fa1b7d74f51228892a9d4dc528161cd30210461e3dbe3b925e8b1f6"`
[INFO] [stderr]    Compiling nrf52840-pac v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `nrf52840-pac`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name nrf52840_pac src/lib.rs --color never --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=99f21315390f238e -C extra-filename=-99f21315390f238e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-83b5ee4699e7e912.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-29818c3025bf2a57.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-659e5a2cabceb3ba.rmeta --cap-lints=allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nrf52840-pac`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name nrf52840_pac src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=10c205f6bb2d3b7a -C extra-filename=-10c205f6bb2d3b7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-83b5ee4699e7e912.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-29818c3025bf2a57.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-659e5a2cabceb3ba.rmeta --cap-lints=allow` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "4510616e6fa1b7d74f51228892a9d4dc528161cd30210461e3dbe3b925e8b1f6"`
[INFO] running `"docker" "rm" "-f" "4510616e6fa1b7d74f51228892a9d4dc528161cd30210461e3dbe3b925e8b1f6"`
[INFO] [stdout] 4510616e6fa1b7d74f51228892a9d4dc528161cd30210461e3dbe3b925e8b1f6