[INFO] fetching crate coption 0.1.0...
[INFO] checking coption-0.1.0 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] extracting crate coption 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate coption 0.1.0
[INFO] finished tweaking crates.io crate coption 0.1.0
[INFO] tweaked toml for crates.io crate coption 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coption 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding self-rust-tokenize v0.3.4 (available: v0.4.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-helpers v0.5.0
[INFO] [stderr]   Downloaded either_n v0.2.0
[INFO] [stderr]   Downloaded self-rust-tokenize-derive v0.3.4
[INFO] [stderr]   Downloaded self-rust-tokenize v0.3.4
[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] b0c0bd574a622301f435a82ec0ba1aa1a4a83ba19b6456a8784da41440a8e2dc
[INFO] running `Command { std: "docker" "start" "-a" "b0c0bd574a622301f435a82ec0ba1aa1a4a83ba19b6456a8784da41440a8e2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0c0bd574a622301f435a82ec0ba1aa1a4a83ba19b6456a8784da41440a8e2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c0bd574a622301f435a82ec0ba1aa1a4a83ba19b6456a8784da41440a8e2dc", kill_on_drop: false }`
[INFO] [stdout] b0c0bd574a622301f435a82ec0ba1aa1a4a83ba19b6456a8784da41440a8e2dc
[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] 7ec26b455b9370f9d1faadba9e98cc537e18ab48b6df84cc2d4d53c31a7520a9
[INFO] running `Command { std: "docker" "start" "-a" "7ec26b455b9370f9d1faadba9e98cc537e18ab48b6df84cc2d4d53c31a7520a9", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "7ec26b455b9370f9d1faadba9e98cc537e18ab48b6df84cc2d4d53c31a7520a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec26b455b9370f9d1faadba9e98cc537e18ab48b6df84cc2d4d53c31a7520a9", kill_on_drop: false }`
[INFO] [stdout] 7ec26b455b9370f9d1faadba9e98cc537e18ab48b6df84cc2d4d53c31a7520a9