[INFO] fetching crate smt-str 0.2.3...
[INFO] checking smt-str-0.2.3 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate smt-str 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate smt-str 0.2.3
[INFO] finished tweaking crates.io crate smt-str 0.2.3
[INFO] tweaked toml for crates.io crate smt-str 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smt-str 0.2.3 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smt-str 0.2.3 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c
[INFO] running `Command { std: "docker" "start" "-a" "c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c", kill_on_drop: false }`
[INFO] [stdout] c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c


command failed: exit status: 1

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-c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c.scope" (properties [{Name:Description Value:"libcontainer container c96ccf7010fcf89d8fba78fbff76f53f601c2ce293414a5c085a035fcdd7d78c"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [1997294]} {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