[INFO] fetching crate atsam4e16e-pac 0.1.8...
[INFO] checking atsam4e16e-pac-0.1.8 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[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 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2363b97458ac9a6900e9ccdef15a4e0637de252e560bb4f4213dfc793f98ec97
[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" "2363b97458ac9a6900e9ccdef15a4e0637de252e560bb4f4213dfc793f98ec97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2363b97458ac9a6900e9ccdef15a4e0637de252e560bb4f4213dfc793f98ec97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2363b97458ac9a6900e9ccdef15a4e0637de252e560bb4f4213dfc793f98ec97", kill_on_drop: false }`
[INFO] [stdout] 2363b97458ac9a6900e9ccdef15a4e0637de252e560bb4f4213dfc793f98ec97
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01a95c04df3fe3bbfbc197a503115d43802cd3ca8becdbcc4aee1f8ae367073
[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" "e01a95c04df3fe3bbfbc197a503115d43802cd3ca8becdbcc4aee1f8ae367073", 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=a8553637bdc5beab -C extra-filename=-a8553637bdc5beab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-533241a1b62fa1d3.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-e29f99d34b8a0ed4.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" "e01a95c04df3fe3bbfbc197a503115d43802cd3ca8becdbcc4aee1f8ae367073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01a95c04df3fe3bbfbc197a503115d43802cd3ca8becdbcc4aee1f8ae367073", kill_on_drop: false }`
[INFO] [stdout] e01a95c04df3fe3bbfbc197a503115d43802cd3ca8becdbcc4aee1f8ae367073