[INFO] fetching crate ucg 0.7.2...
[INFO] checking ucg-0.7.2 against master#3c9faa0d037b9eecda4a440cc482ff7f960fb8a5 for pr-152210
[INFO] extracting crate ucg 0.7.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ucg 0.7.2
[INFO] finished tweaking crates.io crate ucg 0.7.2
[INFO] tweaked toml for crates.io crate ucg 0.7.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ucg 0.7.2 on toolchain 3c9faa0d037b9eecda4a440cc482ff7f960fb8a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ucg 0.7.2 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" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded abortable_parser v0.2.3
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/61f1047493627ec5113af8599b84ee8523f8dcb4888570278e23a0711b575f36-init: no space left on device


sandbox container could not be created: command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/61f1047493627ec5113af8599b84ee8523f8dcb4888570278e23a0711b575f36-init: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: mkdir /var/lib/docker/overlay2/61f1047493627ec5113af8599b84ee8523f8dcb4888570278e23a0711b575f36-init: no space left on device