[INFO] fetching crate stm32l4x6 0.6.0...
[INFO] checking stm32l4x6-0.6.0 against beta for pr-78714
[INFO] extracting crate stm32l4x6 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stm32l4x6 0.6.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32l4x6 0.6.0
[INFO] finished tweaking crates.io crate stm32l4x6 0.6.0
[INFO] tweaked toml for crates.io crate stm32l4x6 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b2f8b3904d7ca48a38e0a4e5a98e5069735a6b6c33236f0f870b0fddabbcb64
[INFO] running `Command { std: "docker" "start" "-a" "3b2f8b3904d7ca48a38e0a4e5a98e5069735a6b6c33236f0f870b0fddabbcb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2f8b3904d7ca48a38e0a4e5a98e5069735a6b6c33236f0f870b0fddabbcb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2f8b3904d7ca48a38e0a4e5a98e5069735a6b6c33236f0f870b0fddabbcb64", kill_on_drop: false }`
[INFO] [stdout] 3b2f8b3904d7ca48a38e0a4e5a98e5069735a6b6c33236f0f870b0fddabbcb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673885a202441076a179759f713951fe6f53dea8992d469420c5558a99971329
[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" "673885a202441076a179759f713951fe6f53dea8992d469420c5558a99971329", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32l4x6 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stm32l4x6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32l4x6 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=56fe7eb554693506 -C extra-filename=-56fe7eb554693506 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e031b5518942963c.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-64e86549cb2785cd.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-26c0afb41e86d883.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "673885a202441076a179759f713951fe6f53dea8992d469420c5558a99971329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673885a202441076a179759f713951fe6f53dea8992d469420c5558a99971329", kill_on_drop: false }`
[INFO] [stdout] 673885a202441076a179759f713951fe6f53dea8992d469420c5558a99971329