[INFO] cloning repository https://github.com/rustscr1pt/websocket-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustscr1pt/websocket-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 126aa9a1f83f9160df04498397bfcd1fbd67b546
[INFO] checking rustscr1pt/websocket-rust-example against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rustscr1pt/websocket-rust-example
[INFO] finished tweaking git repo https://github.com/rustscr1pt/websocket-rust-example
[INFO] tweaked toml for git repo https://github.com/rustscr1pt/websocket-rust-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustscr1pt/websocket-rust-example on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustscr1pt/websocket-rust-example 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 888485f53be7446bbdf0d1f45dfed8f039135acac51dc48212e54e03e31553ba
[INFO] running `Command { std: "docker" "start" "-a" "888485f53be7446bbdf0d1f45dfed8f039135acac51dc48212e54e03e31553ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888485f53be7446bbdf0d1f45dfed8f039135acac51dc48212e54e03e31553ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888485f53be7446bbdf0d1f45dfed8f039135acac51dc48212e54e03e31553ba", kill_on_drop: false }`
[INFO] [stdout] 888485f53be7446bbdf0d1f45dfed8f039135acac51dc48212e54e03e31553ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe
[INFO] running `Command { std: "docker" "start" "-a" "3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe", 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-3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe.scope" (properties [{Name:Description Value:"libcontainer container 3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [3515768]} {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" "3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe", kill_on_drop: false }`
[INFO] [stdout] 3bd192f3914b3cd77b29f4ca4aac14f2467186ddd76b25122ca760a62a4b7bbe