[INFO] cloning repository https://github.com/sambacha/rust-nix-flakes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sambacha/rust-nix-flakes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsambacha%2Frust-nix-flakes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsambacha%2Frust-nix-flakes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af80761f62e5a40165fc0447ee2d4dda0c8be7d3
[INFO] checking sambacha/rust-nix-flakes against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsambacha%2Frust-nix-flakes" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sambacha/rust-nix-flakes
[INFO] finished tweaking git repo https://github.com/sambacha/rust-nix-flakes
[INFO] tweaked toml for git repo https://github.com/sambacha/rust-nix-flakes written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sambacha/rust-nix-flakes on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sambacha/rust-nix-flakes 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.93
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d348a6bd09c58e4777a026c8bb4199acbd026fb5ef7145c364a8f23f45f2d4f
[INFO] running `Command { std: "docker" "start" "-a" "8d348a6bd09c58e4777a026c8bb4199acbd026fb5ef7145c364a8f23f45f2d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d348a6bd09c58e4777a026c8bb4199acbd026fb5ef7145c364a8f23f45f2d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d348a6bd09c58e4777a026c8bb4199acbd026fb5ef7145c364a8f23f45f2d4f", kill_on_drop: false }`
[INFO] [stdout] 8d348a6bd09c58e4777a026c8bb4199acbd026fb5ef7145c364a8f23f45f2d4f
[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f
[INFO] running `Command { std: "docker" "start" "-a" "9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f", 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-9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f.scope" (properties [{Name:Description Value:"libcontainer container 9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [1499810]} {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
[INFO] running `Command { std: "docker" "inspect" "9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f", kill_on_drop: false }`
[INFO] [stdout] 9223598d7dc823dc1d3443edcd39eb9a8a83f6b7f29b20cbeaf017caf21ba99f