[INFO] fetching crate ensembler 0.2.9...
[INFO] checking ensembler-0.2.9 against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557
[INFO] extracting crate ensembler 0.2.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ensembler 0.2.9 on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ensembler 0.2.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ensembler 0.2.9
[INFO] tweaked toml for crates.io crate ensembler 0.2.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ensembler 0.2.9 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "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 test-log v0.2.17
[INFO] [stderr]   Downloaded clx v0.2.11
[INFO] [stderr]   Downloaded test-log-macros v0.2.17
[INFO] [stderr]   Downloaded deunicode v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0575313d99741968ac25155391d7b9314a347746b29f9d57a04bcec13ae29fe6
[INFO] running `Command { std: "docker" "start" "-a" "0575313d99741968ac25155391d7b9314a347746b29f9d57a04bcec13ae29fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0575313d99741968ac25155391d7b9314a347746b29f9d57a04bcec13ae29fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0575313d99741968ac25155391d7b9314a347746b29f9d57a04bcec13ae29fe6", kill_on_drop: false }`
[INFO] [stdout] 0575313d99741968ac25155391d7b9314a347746b29f9d57a04bcec13ae29fe6


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-2-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/779fbfc6bcd4eafaac526686d5d2f0c88eefe4d0201d778af6393ee0bec03c71/merged/opt/rustwide/target: no space left on device: unknown