[INFO] fetching crate vcdiff-reader 1.0.0...
[INFO] checking vcdiff-reader-1.0.0 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] extracting crate vcdiff-reader 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate vcdiff-reader 1.0.0
[INFO] finished tweaking crates.io crate vcdiff-reader 1.0.0
[INFO] tweaked toml for crates.io crate vcdiff-reader 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vcdiff-reader 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcdiff-common v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fa874648fb0243987f5952d221b7b1837d59734493957a16b7f10e8db3459df8
[INFO] running `Command { std: "docker" "start" "-a" "fa874648fb0243987f5952d221b7b1837d59734493957a16b7f10e8db3459df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa874648fb0243987f5952d221b7b1837d59734493957a16b7f10e8db3459df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa874648fb0243987f5952d221b7b1837d59734493957a16b7f10e8db3459df8", kill_on_drop: false }`
[INFO] [stdout] fa874648fb0243987f5952d221b7b1837d59734493957a16b7f10e8db3459df8


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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": create mountpoint for /opt/rustwide/rustup-home mount: mkdirat /var/lib/docker/overlay2/5a10e076deff9dbfa615df5941f30dd3c043b89551b1fffeeb8c4aa6690d4259/merged/opt/rustwide/rustup-home: no space left on device: unknown