[INFO] fetching crate collector 0.0.0...
[INFO] checking collector-0.0.0 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate collector 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate collector 0.0.0 on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate collector 0.0.0
[INFO] finished tweaking crates.io crate collector 0.0.0
[INFO] tweaked toml for crates.io crate collector 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-4-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking collector-0.0.0 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate collector 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking collector-0.0.0 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate collector 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking collector-0.0.0 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate collector 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate collector 0.0.0 on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate collector 0.0.0
[INFO] finished tweaking crates.io crate collector 0.0.0
[INFO] tweaked toml for crates.io crate collector 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d89a999af9c331551f001fdbc107c7c2484f497f077bfe2446ebd3c7f6bb47
[INFO] running `Command { std: "docker" "start" "-a" "f6d89a999af9c331551f001fdbc107c7c2484f497f077bfe2446ebd3c7f6bb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d89a999af9c331551f001fdbc107c7c2484f497f077bfe2446ebd3c7f6bb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d89a999af9c331551f001fdbc107c7c2484f497f077bfe2446ebd3c7f6bb47", kill_on_drop: false }`
[INFO] [stdout] f6d89a999af9c331551f001fdbc107c7c2484f497f077bfe2446ebd3c7f6bb47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2e26be7ba5b951c1f5e2d92c1edba727330e0f24e95c4eb79695d0b8f7683cf
[INFO] running `Command { std: "docker" "start" "-a" "e2e26be7ba5b951c1f5e2d92c1edba727330e0f24e95c4eb79695d0b8f7683cf", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/265d0f463ac936e4100394d04f618ca7cc92226647094f4f67fb13bda424ed1a/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "e2e26be7ba5b951c1f5e2d92c1edba727330e0f24e95c4eb79695d0b8f7683cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e26be7ba5b951c1f5e2d92c1edba727330e0f24e95c4eb79695d0b8f7683cf", kill_on_drop: false }`
[INFO] [stdout] e2e26be7ba5b951c1f5e2d92c1edba727330e0f24e95c4eb79695d0b8f7683cf