[INFO] fetching crate flame-war 0.1.1...
[INFO] checking flame-war-0.1.1 against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] extracting crate flame-war 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flame-war 0.1.1 on toolchain a7fc463dd8fbeca800d4b3efc501069502cffe64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flame-war 0.1.1
[INFO] finished tweaking crates.io crate flame-war 0.1.1
[INFO] tweaked toml for crates.io crate flame-war 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc
[INFO] running `Command { std: "docker" "start" "-a" "77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc", kill_on_drop: false }`
[INFO] [stdout] 77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc


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-77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc.scope" (properties [{Name:Description Value:"libcontainer container 77a91cbc90a4e9c3e704e446986b66a63578b811bd33dd49548da0484c298fdc"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [3563734]} {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