[INFO] fetching crate atsamv71j21 0.21.0...
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] crate atsamv71j21 0.21.0 is already in cache
[INFO] checking atsamv71j21-0.21.0 against try#a8425075041d4b9af9bf32e2a267dfb9db2cfffb for pr-100043
[INFO] extracting crate atsamv71j21 0.21.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atsamv71j21 0.21.0 on toolchain a8425075041d4b9af9bf32e2a267dfb9db2cfffb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a8425075041d4b9af9bf32e2a267dfb9db2cfffb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamv71j21 0.21.0
[INFO] finished tweaking crates.io crate atsamv71j21 0.21.0
[INFO] tweaked toml for crates.io crate atsamv71j21 0.21.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a8425075041d4b9af9bf32e2a267dfb9db2cfffb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a8425075041d4b9af9bf32e2a267dfb9db2cfffb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+a8425075041d4b9af9bf32e2a267dfb9db2cfffb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d3d5b3f20fb6fe37a6efb651935866eaa286653d5853311815da48cf713a3fe
[INFO] running `Command { std: "docker" "start" "-a" "6d3d5b3f20fb6fe37a6efb651935866eaa286653d5853311815da48cf713a3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3d5b3f20fb6fe37a6efb651935866eaa286653d5853311815da48cf713a3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3d5b3f20fb6fe37a6efb651935866eaa286653d5853311815da48cf713a3fe", kill_on_drop: false }`
[INFO] [stdout] 6d3d5b3f20fb6fe37a6efb651935866eaa286653d5853311815da48cf713a3fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+a8425075041d4b9af9bf32e2a267dfb9db2cfffb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529d296e1655b42e78af9a6148cde659d1a2ab559cf624b326ecaf53fd183796
[INFO] running `Command { std: "docker" "start" "-a" "529d296e1655b42e78af9a6148cde659d1a2ab559cf624b326ecaf53fd183796", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling atsamv71j21 v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr] error: could not compile `atsamv71j21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name atsamv71j21 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=cb12cc9d9de1bfc4 -C extra-filename=-cb12cc9d9de1bfc4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-70249e47bac17eca.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-1707cf56e5fc912e.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 `atsamv71j21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name atsamv71j21 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ef5030b383b09c66 -C extra-filename=-ef5030b383b09c66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-70249e47bac17eca.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-1707cf56e5fc912e.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "529d296e1655b42e78af9a6148cde659d1a2ab559cf624b326ecaf53fd183796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529d296e1655b42e78af9a6148cde659d1a2ab559cf624b326ecaf53fd183796", kill_on_drop: false }`
[INFO] [stdout] 529d296e1655b42e78af9a6148cde659d1a2ab559cf624b326ecaf53fd183796