[INFO] crate stm32l4x6 0.6.0 is already in cache
[INFO] checking stm32l4x6-0.6.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate stm32l4x6 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stm32l4x6 0.6.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 069eea546a9a9d01aa7fca26b3efdd8a802e3d8782abbe2ff72d2124b05c9f2f
[INFO] running `"docker" "start" "-a" "069eea546a9a9d01aa7fca26b3efdd8a802e3d8782abbe2ff72d2124b05c9f2f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 debuginfo=2 -C metadata=6e3734199851c776 -C extra-filename=-6e3734199851c776 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-834fa178bb26e755.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-7f7589d8b2865f6c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-aed78c81f871d92e.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=630d3c6b11f4a2ec -C extra-filename=-630d3c6b11f4a2ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-834fa178bb26e755.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-7f7589d8b2865f6c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-aed78c81f871d92e.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "069eea546a9a9d01aa7fca26b3efdd8a802e3d8782abbe2ff72d2124b05c9f2f"`
[INFO] running `"docker" "rm" "-f" "069eea546a9a9d01aa7fca26b3efdd8a802e3d8782abbe2ff72d2124b05c9f2f"`
[INFO] [stdout] 069eea546a9a9d01aa7fca26b3efdd8a802e3d8782abbe2ff72d2124b05c9f2f