[INFO] fetching crate generate-captcha 0.1.0...
[INFO] checking generate-captcha-0.1.0 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate generate-captcha 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate generate-captcha 0.1.0
[INFO] finished tweaking crates.io crate generate-captcha 0.1.0
[INFO] tweaked toml for crates.io crate generate-captcha 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generate-captcha 0.1.0 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate generate-captcha 0.1.0 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fallible_collections v0.4.3
[INFO] [stderr]   Downloaded lodepng v3.4.6
[INFO] [stderr]   Downloaded captcha v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc7f244f5cc49f131d4d9ff3c2973093a0ea6cb234f8718a2b3d44679cbb00b6
[INFO] running `Command { std: "docker" "start" "-a" "fc7f244f5cc49f131d4d9ff3c2973093a0ea6cb234f8718a2b3d44679cbb00b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7f244f5cc49f131d4d9ff3c2973093a0ea6cb234f8718a2b3d44679cbb00b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7f244f5cc49f131d4d9ff3c2973093a0ea6cb234f8718a2b3d44679cbb00b6", kill_on_drop: false }`
[INFO] [stdout] fc7f244f5cc49f131d4d9ff3c2973093a0ea6cb234f8718a2b3d44679cbb00b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33
[INFO] running `Command { std: "docker" "start" "-a" "95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33", kill_on_drop: false }`
[INFO] [stdout] 95f318b22ff6eaa41a7e1ca1321b5e8d0d959885f0be19bf1ec9889dc8bd5b33