[INFO] cloning repository https://github.com/rbtcollins/rust-code-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbtcollins/rust-code-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbtcollins%2Frust-code-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbtcollins%2Frust-code-challenges'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/rbtcollins/rust-code-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbtcollins/rust-code-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbtcollins%2Frust-code-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbtcollins%2Frust-code-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cb29175610a5bb60584558bc17fa150c7d10713
[INFO] checking rbtcollins/rust-code-challenges against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbtcollins%2Frust-code-challenges" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rbtcollins/rust-code-challenges
[INFO] finished tweaking git repo https://github.com/rbtcollins/rust-code-challenges
[INFO] tweaked toml for git repo https://github.com/rbtcollins/rust-code-challenges written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rbtcollins/rust-code-challenges on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rbtcollins/rust-code-challenges 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.4.0
[INFO] [stderr]   Downloaded repl-rs v0.2.6
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded nix v0.20.2
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9616f23c17f2589ec26b204bce1c091d248185500d90d10626173a920d8273b
[INFO] running `Command { std: "docker" "start" "-a" "c9616f23c17f2589ec26b204bce1c091d248185500d90d10626173a920d8273b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9616f23c17f2589ec26b204bce1c091d248185500d90d10626173a920d8273b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9616f23c17f2589ec26b204bce1c091d248185500d90d10626173a920d8273b", kill_on_drop: false }`
[INFO] [stdout] c9616f23c17f2589ec26b204bce1c091d248185500d90d10626173a920d8273b


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": create mountpoint for /opt/rustwide/target mount: mkdirat /var/lib/docker/overlay2/265596b3b69b9fccbe312fe64242f633305665ce7f5becc43455f372933ab005/merged/opt/rustwide/target: no space left on device: unknown