[INFO] fetching crate atsamv71j21b 0.21.0...
[INFO] checking atsamv71j21b-0.21.0 against master#69a5d2481e856a5a18885390b8cf6950b9ff8dd3 for pr-96376
[INFO] extracting crate atsamv71j21b 0.21.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atsamv71j21b 0.21.0 on toolchain 69a5d2481e856a5a18885390b8cf6950b9ff8dd3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamv71j21b 0.21.0
[INFO] finished tweaking crates.io crate atsamv71j21b 0.21.0
[INFO] tweaked toml for crates.io crate atsamv71j21b 0.21.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "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" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86a11033fca2d398d6b72cb2c8dd47be87820ae4d4ce922bc7da54c1f8e7eadf
[INFO] running `Command { std: "docker" "start" "-a" "86a11033fca2d398d6b72cb2c8dd47be87820ae4d4ce922bc7da54c1f8e7eadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a11033fca2d398d6b72cb2c8dd47be87820ae4d4ce922bc7da54c1f8e7eadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a11033fca2d398d6b72cb2c8dd47be87820ae4d4ce922bc7da54c1f8e7eadf", kill_on_drop: false }`
[INFO] [stdout] 86a11033fca2d398d6b72cb2c8dd47be87820ae4d4ce922bc7da54c1f8e7eadf
[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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43475933b0fe7a9ed84d5be50c3e9837e68e267d1910d437f529a3c200ed986
[INFO] running `Command { std: "docker" "start" "-a" "e43475933b0fe7a9ed84d5be50c3e9837e68e267d1910d437f529a3c200ed986", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling atsamv71j21b v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.35s
[INFO] running `Command { std: "docker" "inspect" "e43475933b0fe7a9ed84d5be50c3e9837e68e267d1910d437f529a3c200ed986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43475933b0fe7a9ed84d5be50c3e9837e68e267d1910d437f529a3c200ed986", kill_on_drop: false }`
[INFO] [stdout] e43475933b0fe7a9ed84d5be50c3e9837e68e267d1910d437f529a3c200ed986