[INFO] cloning repository https://github.com/github0112/cs220
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/github0112/cs220" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub0112%2Fcs220", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub0112%2Fcs220'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b72ecf783c96b4887f4408636f352c922eb5e7
[INFO] checking github0112/cs220 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgithub0112%2Fcs220" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/github0112/cs220 on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/github0112/cs220
[INFO] finished tweaking git repo https://github.com/github0112/cs220
[INFO] tweaked toml for git repo https://github.com/github0112/cs220 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/github0112/cs220 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etrace v1.1.1
[INFO] [stderr]   Downloaded winnow v0.5.14
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ea50ea0a7ad7ad567fa2a220786185d3cb3dbd6b6d4ce54628aca2c6e50a727
[INFO] running `Command { std: "docker" "start" "-a" "4ea50ea0a7ad7ad567fa2a220786185d3cb3dbd6b6d4ce54628aca2c6e50a727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea50ea0a7ad7ad567fa2a220786185d3cb3dbd6b6d4ce54628aca2c6e50a727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea50ea0a7ad7ad567fa2a220786185d3cb3dbd6b6d4ce54628aca2c6e50a727", kill_on_drop: false }`
[INFO] [stdout] 4ea50ea0a7ad7ad567fa2a220786185d3cb3dbd6b6d4ce54628aca2c6e50a727


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/55f59de4b612c9a5c4bc87fd0922bf161dc73a98bca6353b70508729f6d4b57f/merged: no space left on device