[INFO] cloning repository https://github.com/Caspinol/stm32f401xx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caspinol/stm32f401xx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffd5f00bbbfa66912d0457f53c5b800cbbd45857
[INFO] checking Caspinol/stm32f401xx against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fstm32f401xx" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caspinol/stm32f401xx on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] finished tweaking git repo https://github.com/Caspinol/stm32f401xx
[INFO] tweaked toml for git repo https://github.com/Caspinol/stm32f401xx written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Caspinol/stm32f401xx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc9e5c63d9d66b56b53e4b7d27f7d34bab3b10aaecf95806390bbdf00e6aa8c
[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" "bfc9e5c63d9d66b56b53e4b7d27f7d34bab3b10aaecf95806390bbdf00e6aa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc9e5c63d9d66b56b53e4b7d27f7d34bab3b10aaecf95806390bbdf00e6aa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc9e5c63d9d66b56b53e4b7d27f7d34bab3b10aaecf95806390bbdf00e6aa8c", kill_on_drop: false }`
[INFO] [stdout] bfc9e5c63d9d66b56b53e4b7d27f7d34bab3b10aaecf95806390bbdf00e6aa8c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d58d6e7c823119012d7c6f71840e62e9ed0aa90c60cfbb2d92db5c88ae6ed6
[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" "90d58d6e7c823119012d7c6f71840e62e9ed0aa90c60cfbb2d92db5c88ae6ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking stm32f401xx v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stm32f401xx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32f401xx src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=daa4e367208724bb -C extra-filename=-daa4e367208724bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-78cfc770400dc2be.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-44c9f6ae7ac7018c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-65e18ee1a4d66ee0.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" "90d58d6e7c823119012d7c6f71840e62e9ed0aa90c60cfbb2d92db5c88ae6ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d58d6e7c823119012d7c6f71840e62e9ed0aa90c60cfbb2d92db5c88ae6ed6", kill_on_drop: false }`
[INFO] [stdout] 90d58d6e7c823119012d7c6f71840e62e9ed0aa90c60cfbb2d92db5c88ae6ed6