[INFO] fetching crate atsam4e16e-pac 0.1.8...
[INFO] checking atsam4e16e-pac-0.1.8 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate atsam4e16e-pac 0.1.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atsam4e16e-pac 0.1.8 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsam4e16e-pac 0.1.8
[INFO] finished tweaking crates.io crate atsam4e16e-pac 0.1.8
[INFO] tweaked toml for crates.io crate atsam4e16e-pac 0.1.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] e725aa991d9be24323354ca0e141b7fb221c5a94c36bc2dad126fa4ace81eda3
[INFO] running `Command { std: "docker" "start" "-a" "e725aa991d9be24323354ca0e141b7fb221c5a94c36bc2dad126fa4ace81eda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e725aa991d9be24323354ca0e141b7fb221c5a94c36bc2dad126fa4ace81eda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e725aa991d9be24323354ca0e141b7fb221c5a94c36bc2dad126fa4ace81eda3", kill_on_drop: false }`
[INFO] [stdout] e725aa991d9be24323354ca0e141b7fb221c5a94c36bc2dad126fa4ace81eda3
[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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] a3c5890eb89b164f0ca53a25f2880b353dc8d1233496d74c3b3eff43760f815a
[INFO] running `Command { std: "docker" "start" "-a" "a3c5890eb89b164f0ca53a25f2880b353dc8d1233496d74c3b3eff43760f815a", kill_on_drop: false }`
[INFO] [stderr]    Compiling atsam4e16e-pac v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `atsam4e16e-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name atsam4e16e_pac 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=5d33b9e486450127 -C extra-filename=-5d33b9e486450127 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-96a68a87349c7f47.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-ce4ad9baad7fb21c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-68d426a8db839521.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" "a3c5890eb89b164f0ca53a25f2880b353dc8d1233496d74c3b3eff43760f815a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c5890eb89b164f0ca53a25f2880b353dc8d1233496d74c3b3eff43760f815a", kill_on_drop: false }`
[INFO] [stdout] a3c5890eb89b164f0ca53a25f2880b353dc8d1233496d74c3b3eff43760f815a