[INFO] fetching crate dareto 0.0.0...
[INFO] documenting dareto-0.0.0 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate dareto 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dareto 0.0.0 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dareto 0.0.0
[INFO] finished tweaking crates.io crate dareto 0.0.0
[INFO] tweaked toml for crates.io crate dareto 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dareto 0.0.0 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" "+1.86.0" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e162e6270ff6c4f48c2d3f5d6e3715496086470c107a182eedc87a7922d89d
[INFO] running `Command { std: "docker" "start" "-a" "a2e162e6270ff6c4f48c2d3f5d6e3715496086470c107a182eedc87a7922d89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e162e6270ff6c4f48c2d3f5d6e3715496086470c107a182eedc87a7922d89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e162e6270ff6c4f48c2d3f5d6e3715496086470c107a182eedc87a7922d89d", kill_on_drop: false }`
[INFO] [stdout] a2e162e6270ff6c4f48c2d3f5d6e3715496086470c107a182eedc87a7922d89d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4bb22649020fcd8eab1cc9cd6896b0d5b5d6093e0b9b82db6ed82ee1e18274f
[INFO] running `Command { std: "docker" "start" "-a" "e4bb22649020fcd8eab1cc9cd6896b0d5b5d6093e0b9b82db6ed82ee1e18274f", 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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/a03e88855ba72e3c6136e7f29617d86bf72ca1d177ab636abdf466e4ed8828d6/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "e4bb22649020fcd8eab1cc9cd6896b0d5b5d6093e0b9b82db6ed82ee1e18274f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bb22649020fcd8eab1cc9cd6896b0d5b5d6093e0b9b82db6ed82ee1e18274f", kill_on_drop: false }`
[INFO] [stdout] e4bb22649020fcd8eab1cc9cd6896b0d5b5d6093e0b9b82db6ed82ee1e18274f