[INFO] cloning repository https://github.com/yjyao/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yjyao/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjyao%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjyao%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6501ca2c3bd746e47e697e1dbcb10b23d623ca60
[INFO] checking yjyao/learn-rust against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjyao%2Flearn-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yjyao/learn-rust
[INFO] finished tweaking git repo https://github.com/yjyao/learn-rust
[INFO] tweaked toml for git repo https://github.com/yjyao/learn-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yjyao/learn-rust on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yjyao/learn-rust 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_float_eq v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ed48f1865b6cb86759765ff3be144bdf8a3ec7a50d6cd607f3ca915de2ac3e
[INFO] running `Command { std: "docker" "start" "-a" "28ed48f1865b6cb86759765ff3be144bdf8a3ec7a50d6cd607f3ca915de2ac3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ed48f1865b6cb86759765ff3be144bdf8a3ec7a50d6cd607f3ca915de2ac3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ed48f1865b6cb86759765ff3be144bdf8a3ec7a50d6cd607f3ca915de2ac3e", kill_on_drop: false }`
[INFO] [stdout] 28ed48f1865b6cb86759765ff3be144bdf8a3ec7a50d6cd607f3ca915de2ac3e


command failed: exit status: 1

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-6-tc1/target" to rootfs at "/opt/rustwide/target": create mountpoint for /opt/rustwide/target mount: mkdirat /var/lib/docker/overlay2/993e139d11e9493e71a7d01bf1913647465439c3c1bb86415bcffc7be3819397/merged/opt/rustwide/target: no space left on device: unknown