[INFO] fetching crate atsamv70n20b 0.21.0...
[INFO] checking atsamv70n20b-0.21.0 against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] extracting crate atsamv70n20b 0.21.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atsamv70n20b 0.21.0 on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamv70n20b 0.21.0
[INFO] finished tweaking crates.io crate atsamv70n20b 0.21.0
[INFO] tweaked toml for crates.io crate atsamv70n20b 0.21.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "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" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa2a0a7262fbc988bfe5f025fb1a79c9df9ceb38f00ef27d9facae58e63f9a6
[INFO] running `Command { std: "docker" "start" "-a" "5aa2a0a7262fbc988bfe5f025fb1a79c9df9ceb38f00ef27d9facae58e63f9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa2a0a7262fbc988bfe5f025fb1a79c9df9ceb38f00ef27d9facae58e63f9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa2a0a7262fbc988bfe5f025fb1a79c9df9ceb38f00ef27d9facae58e63f9a6", kill_on_drop: false }`
[INFO] [stdout] 5aa2a0a7262fbc988bfe5f025fb1a79c9df9ceb38f00ef27d9facae58e63f9a6
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768627a41c909b2e83ddf93fbaee07c0cb6e4078f4bf39d2eaf07e4eade2aa46
[INFO] running `Command { std: "docker" "start" "-a" "768627a41c909b2e83ddf93fbaee07c0cb6e4078f4bf39d2eaf07e4eade2aa46", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling atsamv70n20b v0.21.0 (/opt/rustwide/workdir)
[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 29.58s
[INFO] running `Command { std: "docker" "inspect" "768627a41c909b2e83ddf93fbaee07c0cb6e4078f4bf39d2eaf07e4eade2aa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768627a41c909b2e83ddf93fbaee07c0cb6e4078f4bf39d2eaf07e4eade2aa46", kill_on_drop: false }`
[INFO] [stdout] 768627a41c909b2e83ddf93fbaee07c0cb6e4078f4bf39d2eaf07e4eade2aa46