[INFO] fetching crate specimen__writable 0.1.0...
[INFO] documenting specimen__writable-0.1.0 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate specimen__writable 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate specimen__writable 0.1.0 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 specimen__writable 0.1.0
[INFO] finished tweaking crates.io crate specimen__writable 0.1.0
[INFO] tweaked toml for crates.io crate specimen__writable 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ce1ff370ca21531655e7e26ec1f1905d0ef51aedf490ee1fc2a76da7fef1b29
[INFO] running `Command { std: "docker" "start" "-a" "3ce1ff370ca21531655e7e26ec1f1905d0ef51aedf490ee1fc2a76da7fef1b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce1ff370ca21531655e7e26ec1f1905d0ef51aedf490ee1fc2a76da7fef1b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1ff370ca21531655e7e26ec1f1905d0ef51aedf490ee1fc2a76da7fef1b29", kill_on_drop: false }`
[INFO] [stdout] 3ce1ff370ca21531655e7e26ec1f1905d0ef51aedf490ee1fc2a76da7fef1b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b
[INFO] running `Command { std: "docker" "start" "-a" "ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b", 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: unable to apply cgroup configuration: unable to start unit "docker-ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b.scope" (properties [{Name:Description Value:"libcontainer container ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [3850967]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b", kill_on_drop: false }`
[INFO] [stdout] ec34ff75b54eac5c5f1b1b000be23fcafdb474f2f84622de4b552d4a0393270b