[INFO] crate efm32gg11b820 0.7.0 is already in cache
[INFO] testing efm32gg11b820-0.7.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate efm32gg11b820 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate efm32gg11b820 0.7.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate efm32gg11b820 0.7.0
[INFO] finished tweaking crates.io crate efm32gg11b820 0.7.0
[INFO] tweaked toml for crates.io crate efm32gg11b820 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-06-03" "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] 31484e4c76eabcee28cb0567a4107be4ab0c1025e150e8e5b8d880f82800f052
[INFO] running `"docker" "start" "-a" "31484e4c76eabcee28cb0567a4107be4ab0c1025e150e8e5b8d880f82800f052"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling efm32gg11b820 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `efm32gg11b820`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name efm32gg11b820 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=17b26a085aa765f5 -C extra-filename=-17b26a085aa765f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-463406e00d1ff5b9.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-36c5f49549a6910a.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-3f1afa121f930c78.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "31484e4c76eabcee28cb0567a4107be4ab0c1025e150e8e5b8d880f82800f052"`
[INFO] running `"docker" "rm" "-f" "31484e4c76eabcee28cb0567a4107be4ab0c1025e150e8e5b8d880f82800f052"`
[INFO] [stdout] 31484e4c76eabcee28cb0567a4107be4ab0c1025e150e8e5b8d880f82800f052