[INFO] fetching crate efm32gg11b 0.1.0...
[INFO] testing efm32gg11b-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate efm32gg11b 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate efm32gg11b 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32gg11b 0.1.0
[INFO] finished tweaking crates.io crate efm32gg11b 0.1.0
[INFO] tweaked toml for crates.io crate efm32gg11b 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7dacb939832cebca6f67ab7ae9440c7c955aa631e1eb130b9f25b98a4a68196
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7dacb939832cebca6f67ab7ae9440c7c955aa631e1eb130b9f25b98a4a68196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7dacb939832cebca6f67ab7ae9440c7c955aa631e1eb130b9f25b98a4a68196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dacb939832cebca6f67ab7ae9440c7c955aa631e1eb130b9f25b98a4a68196", kill_on_drop: false }`
[INFO] [stdout] f7dacb939832cebca6f67ab7ae9440c7c955aa631e1eb130b9f25b98a4a68196
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87535b327947289fe7c19598a828d7b804ced3b1fdfd1efadb82c638823e6329
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87535b327947289fe7c19598a828d7b804ced3b1fdfd1efadb82c638823e6329", kill_on_drop: false }`
[INFO] [stderr]    Compiling efm32gg11b v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `efm32gg11b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name efm32gg11b --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=56e71a095d450700 -C extra-filename=-56e71a095d450700 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-de84c97b1aef6794.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-91c9a87885c4a4df.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-43732874c2367b5d.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "87535b327947289fe7c19598a828d7b804ced3b1fdfd1efadb82c638823e6329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87535b327947289fe7c19598a828d7b804ced3b1fdfd1efadb82c638823e6329", kill_on_drop: false }`
[INFO] [stdout] 87535b327947289fe7c19598a828d7b804ced3b1fdfd1efadb82c638823e6329