[INFO] cloning repository https://github.com/james-mchugh/rust_serde_json_testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/james-mchugh/rust_serde_json_testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-mchugh%2Frust_serde_json_testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-mchugh%2Frust_serde_json_testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 195be4beab40b7c83206afef6049b3e5e21c010a
[INFO] checking james-mchugh/rust_serde_json_testing against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-mchugh%2Frust_serde_json_testing" "/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/james-mchugh/rust_serde_json_testing
[INFO] finished tweaking git repo https://github.com/james-mchugh/rust_serde_json_testing
[INFO] tweaked toml for git repo https://github.com/james-mchugh/rust_serde_json_testing written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/james-mchugh/rust_serde_json_testing on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/james-mchugh/rust_serde_json_testing 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9b09c8d6ab981c01fe06323c849f8c89efa664749f5084590d2e540b071ceaf
[INFO] running `Command { std: "docker" "start" "-a" "a9b09c8d6ab981c01fe06323c849f8c89efa664749f5084590d2e540b071ceaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b09c8d6ab981c01fe06323c849f8c89efa664749f5084590d2e540b071ceaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b09c8d6ab981c01fe06323c849f8c89efa664749f5084590d2e540b071ceaf", kill_on_drop: false }`
[INFO] [stdout] a9b09c8d6ab981c01fe06323c849f8c89efa664749f5084590d2e540b071ceaf


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-4-tc1/target" to rootfs at "/opt/rustwide/target": create mountpoint for /opt/rustwide/target mount: mkdirat /var/lib/docker/overlay2/f4346e0fd44ed42c0b9c785906627952c59519e5ddb437bfdde9794165d38a66/merged/opt/rustwide/target: no space left on device: unknown