[INFO] fetching crate sync_cow 0.1.1...
[INFO] checking sync_cow-0.1.1 against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] extracting crate sync_cow 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sync_cow 0.1.1 on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync_cow 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sync_cow 0.1.1
[INFO] tweaked toml for crates.io crate sync_cow 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate sync_cow 0.1.1 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa49a71d5bfe7879f50535a89dd4ad45f6c425f628c77da0fbfa6d8aa25eb98f
[INFO] running `Command { std: "docker" "start" "-a" "fa49a71d5bfe7879f50535a89dd4ad45f6c425f628c77da0fbfa6d8aa25eb98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa49a71d5bfe7879f50535a89dd4ad45f6c425f628c77da0fbfa6d8aa25eb98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa49a71d5bfe7879f50535a89dd4ad45f6c425f628c77da0fbfa6d8aa25eb98f", kill_on_drop: false }`
[INFO] [stdout] fa49a71d5bfe7879f50535a89dd4ad45f6c425f628c77da0fbfa6d8aa25eb98f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baa8808d0f04d586d76a7e67ace3392a7d4a19d6a0bc43cb23c42b3bc8124fab
[INFO] running `Command { std: "docker" "start" "-a" "baa8808d0f04d586d76a7e67ace3392a7d4a19d6a0bc43cb23c42b3bc8124fab", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/17d377dab958f20c1f13bebd36befd09c9c8e1171b8ab76f0a213df6465ded9a/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "baa8808d0f04d586d76a7e67ace3392a7d4a19d6a0bc43cb23c42b3bc8124fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa8808d0f04d586d76a7e67ace3392a7d4a19d6a0bc43cb23c42b3bc8124fab", kill_on_drop: false }`
[INFO] [stdout] baa8808d0f04d586d76a7e67ace3392a7d4a19d6a0bc43cb23c42b3bc8124fab