[INFO] updating cached repository https://github.com/oresat/stm32f446xx-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2cf06b15e8a8b8cc280709320bbbb21df44d4ad6
[INFO] checking oresat/stm32f446xx-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foresat%2Fstm32f446xx-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  95% (38/40)   
Checking out files:  97% (39/40)   
Checking out files: 100% (40/40)   
Checking out files: 100% (40/40), done.
[INFO] validating manifest of git repo https://github.com/oresat/stm32f446xx-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oresat/stm32f446xx-rs
[INFO] finished tweaking git repo https://github.com/oresat/stm32f446xx-rs
[INFO] tweaked toml for git repo https://github.com/oresat/stm32f446xx-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/oresat/stm32f446xx-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3634ac19bc352c70aae5fa3a1a0a2c552bc079b51cb1b335dd817c2ed1a7b2ef
[INFO] running `"docker" "start" "-a" "3634ac19bc352c70aae5fa3a1a0a2c552bc079b51cb1b335dd817c2ed1a7b2ef"`
[INFO] [stderr]    Compiling cortex-m v0.2.9
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking cortex-m-semihosting v0.1.3
[INFO] [stderr]     Checking aligned v0.1.1
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking stm32f446 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stm32f446`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32f446 src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=d53b4785d8014e60 -C extra-filename=-d53b4785d8014e60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-49c5cb8259b5d9ac.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-9e8a403569753d54.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 `"docker" "inspect" "3634ac19bc352c70aae5fa3a1a0a2c552bc079b51cb1b335dd817c2ed1a7b2ef"`
[INFO] running `"docker" "rm" "-f" "3634ac19bc352c70aae5fa3a1a0a2c552bc079b51cb1b335dd817c2ed1a7b2ef"`
[INFO] [stdout] 3634ac19bc352c70aae5fa3a1a0a2c552bc079b51cb1b335dd817c2ed1a7b2ef