[INFO] cloning repository https://github.com/not4s/MathViz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not4s/MathViz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot4s%2FMathViz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot4s%2FMathViz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4503f827100ff6c90dc90d56a81f10276dcdc818
[INFO] checking not4s/MathViz against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot4s%2FMathViz" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/not4s/MathViz
[INFO] finished tweaking git repo https://github.com/not4s/MathViz
[INFO] tweaked toml for git repo https://github.com/not4s/MathViz written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/not4s/MathViz on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/not4s/MathViz 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e03aec191a0a0e15189787b722829a9fed8539c2219a9335b6260eeac7a09b9
[INFO] running `Command { std: "docker" "start" "-a" "2e03aec191a0a0e15189787b722829a9fed8539c2219a9335b6260eeac7a09b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e03aec191a0a0e15189787b722829a9fed8539c2219a9335b6260eeac7a09b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e03aec191a0a0e15189787b722829a9fed8539c2219a9335b6260eeac7a09b9", kill_on_drop: false }`
[INFO] [stdout] 2e03aec191a0a0e15189787b722829a9fed8539c2219a9335b6260eeac7a09b9


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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": create mountpoint for /opt/rustwide/cargo-home mount: mkdirat /var/lib/docker/overlay2/570d6c6059d4556b42701ce41ef5813013a06ddb857cf41a7d179c50cea7ca4b/merged/opt/rustwide/cargo-home: no space left on device: unknown