[INFO] fetching crate validatron 0.5.0...
[INFO] checking validatron-0.5.0 against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] extracting crate validatron 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate validatron 0.5.0 on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate validatron 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate validatron 0.5.0
[INFO] tweaked toml for crates.io crate validatron 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate validatron 0.5.0 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded validatron_derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1128a666277cc63f79bf484d9b1b588cf8b922a9ef47df744d601d9fadd4f056
[INFO] running `Command { std: "docker" "start" "-a" "1128a666277cc63f79bf484d9b1b588cf8b922a9ef47df744d601d9fadd4f056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1128a666277cc63f79bf484d9b1b588cf8b922a9ef47df744d601d9fadd4f056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1128a666277cc63f79bf484d9b1b588cf8b922a9ef47df744d601d9fadd4f056", kill_on_drop: false }`
[INFO] [stdout] 1128a666277cc63f79bf484d9b1b588cf8b922a9ef47df744d601d9fadd4f056


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-6-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/1ea9b2a0c42a393ca8e6135fe1b39e1257833f9d9a75a76393e75c8197dc7637/merged/opt/rustwide/target: no space left on device: unknown