[INFO] cloning repository https://github.com/mainmatter/100-exercises-to-learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mainmatter/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmainmatter%2F100-exercises-to-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmainmatter%2F100-exercises-to-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af4fe9cedba3e5f3e4b9840c3985b6feb63a6f18
[INFO] checking mainmatter/100-exercises-to-learn-rust against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmainmatter%2F100-exercises-to-learn-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mainmatter/100-exercises-to-learn-rust
[INFO] finished tweaking git repo https://github.com/mainmatter/100-exercises-to-learn-rust
[INFO] tweaked toml for git repo https://github.com/mainmatter/100-exercises-to-learn-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mainmatter/100-exercises-to-learn-rust on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mainmatter/100-exercises-to-learn-rust 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded opener v0.7.1
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v15.0.1
[INFO] [stderr]   Downloaded clap_complete v4.5.12
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded mdbook v0.4.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd77f639a87fafe85cb4d2ce76fd8394230ce98a71363d152bf3df4fcd94cb8a
[INFO] running `Command { std: "docker" "start" "-a" "cd77f639a87fafe85cb4d2ce76fd8394230ce98a71363d152bf3df4fcd94cb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd77f639a87fafe85cb4d2ce76fd8394230ce98a71363d152bf3df4fcd94cb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd77f639a87fafe85cb4d2ce76fd8394230ce98a71363d152bf3df4fcd94cb8a", kill_on_drop: false }`
[INFO] [stdout] cd77f639a87fafe85cb4d2ce76fd8394230ce98a71363d152bf3df4fcd94cb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b3435fcb1b6afcc2158eccfb355e2bf203e00094e427703388caf97dc012d5
[INFO] running `Command { std: "docker" "start" "-a" "45b3435fcb1b6afcc2158eccfb355e2bf203e00094e427703388caf97dc012d5", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/dac8b8921a9c0ebaa482fdac7f9c01382769c534c7c212bc4af29acb3ae7fe1a/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "45b3435fcb1b6afcc2158eccfb355e2bf203e00094e427703388caf97dc012d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b3435fcb1b6afcc2158eccfb355e2bf203e00094e427703388caf97dc012d5", kill_on_drop: false }`
[INFO] [stdout] 45b3435fcb1b6afcc2158eccfb355e2bf203e00094e427703388caf97dc012d5