[INFO] cloning repository https://github.com/gzliudan/rust-bootcamp-task-01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gzliudan/rust-bootcamp-task-01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzliudan%2Frust-bootcamp-task-01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzliudan%2Frust-bootcamp-task-01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddef868576e8cdd41514d68654115b67cd442a94
[INFO] testing gzliudan/rust-bootcamp-task-01 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzliudan%2Frust-bootcamp-task-01" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gzliudan/rust-bootcamp-task-01 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gzliudan/rust-bootcamp-task-01
[INFO] finished tweaking git repo https://github.com/gzliudan/rust-bootcamp-task-01
[INFO] tweaked toml for git repo https://github.com/gzliudan/rust-bootcamp-task-01 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gzliudan/rust-bootcamp-task-01 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/fa/nc/fancy-duration, error: No space left on device (os error 28)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fancy-duration v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e89b1ef0b40458f34b560f8d65a56b1d3166cc43e94bd4888197108ade7e9a5e
[INFO] running `Command { std: "docker" "start" "-a" "e89b1ef0b40458f34b560f8d65a56b1d3166cc43e94bd4888197108ade7e9a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e89b1ef0b40458f34b560f8d65a56b1d3166cc43e94bd4888197108ade7e9a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89b1ef0b40458f34b560f8d65a56b1d3166cc43e94bd4888197108ade7e9a5e", kill_on_drop: false }`
[INFO] [stdout] e89b1ef0b40458f34b560f8d65a56b1d3166cc43e94bd4888197108ade7e9a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f38cf865657485638b90cbc36e2185f331d5a17aea318e0031c344c3b4d63f
[INFO] running `Command { std: "docker" "start" "-a" "31f38cf865657485638b90cbc36e2185f331d5a17aea318e0031c344c3b4d63f", 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: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/7dd57e1df1d8f0fbd93b07bacea388b65971b2381fb2f9f7ed2c7415cd4b8ccf/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "31f38cf865657485638b90cbc36e2185f331d5a17aea318e0031c344c3b4d63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f38cf865657485638b90cbc36e2185f331d5a17aea318e0031c344c3b4d63f", kill_on_drop: false }`
[INFO] [stdout] 31f38cf865657485638b90cbc36e2185f331d5a17aea318e0031c344c3b4d63f