[INFO] fetching crate gen-vec 0.3.0...
[INFO] checking gen-vec-0.3.0 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate gen-vec 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gen-vec 0.3.0 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gen-vec 0.3.0
[INFO] finished tweaking crates.io crate gen-vec 0.3.0
[INFO] tweaked toml for crates.io crate gen-vec 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "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 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f612cdce9c5e2f26df0b63aadb7518e6661d9b1f7a6a513461e1b58aa348e813
[INFO] running `Command { std: "docker" "start" "-a" "f612cdce9c5e2f26df0b63aadb7518e6661d9b1f7a6a513461e1b58aa348e813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f612cdce9c5e2f26df0b63aadb7518e6661d9b1f7a6a513461e1b58aa348e813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f612cdce9c5e2f26df0b63aadb7518e6661d9b1f7a6a513461e1b58aa348e813", kill_on_drop: false }`
[INFO] [stdout] f612cdce9c5e2f26df0b63aadb7518e6661d9b1f7a6a513461e1b58aa348e813


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-1-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/efacc76d8483906d2461ac62da06ea5b37dad4a5f8f6ba6ebcc904e3c24aad9f/merged/opt/rustwide/target: no space left on device: unknown