[INFO] fetching crate stm32f30x 0.8.0...
[INFO] checking stm32f30x-0.8.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate stm32f30x 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stm32f30x 0.8.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32f30x 0.8.0
[INFO] finished tweaking crates.io crate stm32f30x 0.8.0
[INFO] tweaked toml for crates.io crate stm32f30x 0.8.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27f0b0d1ed3e3d4232442b7435d2d8356aea09c27fc9c42e23b05553267d1e7f
[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" "27f0b0d1ed3e3d4232442b7435d2d8356aea09c27fc9c42e23b05553267d1e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f0b0d1ed3e3d4232442b7435d2d8356aea09c27fc9c42e23b05553267d1e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f0b0d1ed3e3d4232442b7435d2d8356aea09c27fc9c42e23b05553267d1e7f", kill_on_drop: false }`
[INFO] [stdout] 27f0b0d1ed3e3d4232442b7435d2d8356aea09c27fc9c42e23b05553267d1e7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 194624341caa20ad50102ffa0bfa170c9cc2a715c66b857a45be8b0110f72a8c
[INFO] running `Command { std: "docker" "start" "-a" "194624341caa20ad50102ffa0bfa170c9cc2a715c66b857a45be8b0110f72a8c", kill_on_drop: false }`
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling stm32f30x v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking cortex-m v0.7.1
[INFO] [stderr]     Checking cortex-m v0.6.7
[INFO] [stderr]     Checking cortex-m v0.5.11
[INFO] [stderr] error: could not compile `stm32f30x`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32f30x src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=916c682fa17513f9 -C extra-filename=-916c682fa17513f9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-06ab4c5ba09fcd7e.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-d2755fe1fb24fe76.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-69b4946e74dc9117.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" "194624341caa20ad50102ffa0bfa170c9cc2a715c66b857a45be8b0110f72a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194624341caa20ad50102ffa0bfa170c9cc2a715c66b857a45be8b0110f72a8c", kill_on_drop: false }`
[INFO] [stdout] 194624341caa20ad50102ffa0bfa170c9cc2a715c66b857a45be8b0110f72a8c