[INFO] fetching crate blksocks 1.2.5...
[INFO] checking blksocks-1.2.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate blksocks 1.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate blksocks 1.2.5 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 blksocks 1.2.5
[INFO] finished tweaking crates.io crate blksocks 1.2.5
[INFO] tweaked toml for crates.io crate blksocks 1.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate blksocks 1.2.5 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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-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] [stderr] Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/44202d48a972452708c3c2ca873d27d46069ba36c1aadc65a3afd7127c007266-init/merged/etc/mtab: file exists
[INFO] checking blksocks-1.2.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate blksocks 1.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] checking blksocks-1.2.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate blksocks 1.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] checking blksocks-1.2.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate blksocks 1.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate blksocks 1.2.5 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 blksocks 1.2.5
[INFO] finished tweaking crates.io crate blksocks 1.2.5
[INFO] tweaked toml for crates.io crate blksocks 1.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate blksocks 1.2.5 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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-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] 5cb57de26fd3f28d04a9d603368e5296ee95c483c3e93572a911f8d597fb99ee
[INFO] running `Command { std: "docker" "start" "-a" "5cb57de26fd3f28d04a9d603368e5296ee95c483c3e93572a911f8d597fb99ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cb57de26fd3f28d04a9d603368e5296ee95c483c3e93572a911f8d597fb99ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb57de26fd3f28d04a9d603368e5296ee95c483c3e93572a911f8d597fb99ee", kill_on_drop: false }`
[INFO] [stdout] 5cb57de26fd3f28d04a9d603368e5296ee95c483c3e93572a911f8d597fb99ee
[INFO] checking blksocks-1.2.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate blksocks 1.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate blksocks 1.2.5 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 blksocks 1.2.5
[INFO] finished tweaking crates.io crate blksocks 1.2.5
[INFO] tweaked toml for crates.io crate blksocks 1.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate blksocks 1.2.5 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" "+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] 19b5ba117bf686995332225c1667b23a4b06ae0d372b866a4e5c2f5878f7dcbb
[INFO] running `Command { std: "docker" "start" "-a" "19b5ba117bf686995332225c1667b23a4b06ae0d372b866a4e5c2f5878f7dcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b5ba117bf686995332225c1667b23a4b06ae0d372b866a4e5c2f5878f7dcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b5ba117bf686995332225c1667b23a4b06ae0d372b866a4e5c2f5878f7dcbb", kill_on_drop: false }`
[INFO] [stdout] 19b5ba117bf686995332225c1667b23a4b06ae0d372b866a4e5c2f5878f7dcbb


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/684027ea8bc7540b4bd2029ebafbc8ef1bbe43ca35b92422a77b10077796d2f8/merged: no space left on device