[INFO] cloning repository https://github.com/alex-fu27/opal-kit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alex-fu27/opal-kit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-fu27%2Fopal-kit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-fu27%2Fopal-kit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 889dbcac6a1f567f21f8989f4bfc8d3cf48d8ec6
[INFO] testing alex-fu27/opal-kit against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-fu27%2Fopal-kit" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alex-fu27/opal-kit
[INFO] finished tweaking git repo https://github.com/alex-fu27/opal-kit
[INFO] tweaked toml for git repo https://github.com/alex-fu27/opal-kit written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alex-fu27/opal-kit on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alex-fu27/opal-kit 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexdump v0.1.1
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9753c7acca8cd558e78974475e81e87a9ff9eead4f7631b1405103cb5f69a975
[INFO] running `Command { std: "docker" "start" "-a" "9753c7acca8cd558e78974475e81e87a9ff9eead4f7631b1405103cb5f69a975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9753c7acca8cd558e78974475e81e87a9ff9eead4f7631b1405103cb5f69a975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9753c7acca8cd558e78974475e81e87a9ff9eead4f7631b1405103cb5f69a975", kill_on_drop: false }`
[INFO] [stdout] 9753c7acca8cd558e78974475e81e87a9ff9eead4f7631b1405103cb5f69a975


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/6433d0240189fd523231c8e43f338ffcb5e228884a330a5905e034d92d21723c/merged: no space left on device