[INFO] fetching crate inflection 0.1.2...
[INFO] checking inflection-0.1.2 against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] extracting crate inflection 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate inflection 0.1.2
[INFO] finished tweaking crates.io crate inflection 0.1.2
[INFO] tweaked toml for crates.io crate inflection 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inflection 0.1.2 on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding titlecase v1.1.0 (available: v3.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c1d7551f85bc7702459cb85bc2ac4602682e960e5bdbc5374574f27963c9f4
[INFO] running `Command { std: "docker" "start" "-a" "51c1d7551f85bc7702459cb85bc2ac4602682e960e5bdbc5374574f27963c9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c1d7551f85bc7702459cb85bc2ac4602682e960e5bdbc5374574f27963c9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c1d7551f85bc7702459cb85bc2ac4602682e960e5bdbc5374574f27963c9f4", kill_on_drop: false }`
[INFO] [stdout] 51c1d7551f85bc7702459cb85bc2ac4602682e960e5bdbc5374574f27963c9f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e
[INFO] running `Command { std: "docker" "start" "-a" "b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e", 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-b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e.scope" (properties [{Name:Description Value:"libcontainer container b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [1849522]} {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" "b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e", kill_on_drop: false }`
[INFO] [stdout] b868e93a5ce5106fa8e4160335457fbfad97115c9f09e15d80acf7d1155c601e