[INFO] fetching crate user_trait 0.1.1...
[INFO] checking user_trait-0.1.1 against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] extracting crate user_trait 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate user_trait 0.1.1
[INFO] finished tweaking crates.io crate user_trait 0.1.1
[INFO] tweaked toml for crates.io crate user_trait 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate user_trait 0.1.1 on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397e22e32122a0c4e54c40fa227f1394e6ce26d46a9af1cd89d753a1aeb2ccb7
[INFO] running `Command { std: "docker" "start" "-a" "397e22e32122a0c4e54c40fa227f1394e6ce26d46a9af1cd89d753a1aeb2ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397e22e32122a0c4e54c40fa227f1394e6ce26d46a9af1cd89d753a1aeb2ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397e22e32122a0c4e54c40fa227f1394e6ce26d46a9af1cd89d753a1aeb2ccb7", kill_on_drop: false }`
[INFO] [stdout] 397e22e32122a0c4e54c40fa227f1394e6ce26d46a9af1cd89d753a1aeb2ccb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93
[INFO] running `Command { std: "docker" "start" "-a" "7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93", 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-7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93.scope" (properties [{Name:Description Value:"libcontainer container 7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [481442]} {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" "7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93", kill_on_drop: false }`
[INFO] [stdout] 7c2f7f173454e660c491df25354ebedc4a7adae13b8c181c9025c4ccf1f36b93