[INFO] fetching crate num-to 1.0.0...
[INFO] checking num-to-1.0.0 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] extracting crate num-to 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate num-to 1.0.0
[INFO] finished tweaking crates.io crate num-to 1.0.0
[INFO] tweaked toml for crates.io crate num-to 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-to 1.0.0 on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate num-to 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cf801803f6dc98ecb1b7b37a3c29410f0036a7beb3de125c79f66216dd63249
[INFO] running `Command { std: "docker" "start" "-a" "3cf801803f6dc98ecb1b7b37a3c29410f0036a7beb3de125c79f66216dd63249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf801803f6dc98ecb1b7b37a3c29410f0036a7beb3de125c79f66216dd63249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf801803f6dc98ecb1b7b37a3c29410f0036a7beb3de125c79f66216dd63249", kill_on_drop: false }`
[INFO] [stdout] 3cf801803f6dc98ecb1b7b37a3c29410f0036a7beb3de125c79f66216dd63249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0f50c84ce6872d2d962f80aa54152f91727a5f705dbbb89e6390c9763c163f
[INFO] running `Command { std: "docker" "start" "-a" "3c0f50c84ce6872d2d962f80aa54152f91727a5f705dbbb89e6390c9763c163f", 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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": create mountpoint for /opt/rustwide/rustup-home mount: mkdirat /var/lib/docker/overlay2/8d04f0c1c39b9102ba64cf08f577dbbb6132672617bceb02a91be52cc3cb44b3/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "3c0f50c84ce6872d2d962f80aa54152f91727a5f705dbbb89e6390c9763c163f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0f50c84ce6872d2d962f80aa54152f91727a5f705dbbb89e6390c9763c163f", kill_on_drop: false }`
[INFO] [stdout] 3c0f50c84ce6872d2d962f80aa54152f91727a5f705dbbb89e6390c9763c163f