[INFO] cloning repository https://github.com/maxdotdotg/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxdotdotg/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-applypatch.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game/hooks/pre-applypatch.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/maxdotdotg/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxdotdotg/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a0861fa5578c94b5eeb1e6b8552435e2a713fca
[INFO] checking maxdotdotg/guessing_game against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Fguessing_game" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxdotdotg/guessing_game on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxdotdotg/guessing_game
[INFO] finished tweaking git repo https://github.com/maxdotdotg/guessing_game
[INFO] tweaked toml for git repo https://github.com/maxdotdotg/guessing_game written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maxdotdotg/guessing_game 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4e60aaf3490340711bb6df3bd5fb48faadb2bd327e78d3aff3d732fa31fc556
[INFO] running `Command { std: "docker" "start" "-a" "c4e60aaf3490340711bb6df3bd5fb48faadb2bd327e78d3aff3d732fa31fc556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e60aaf3490340711bb6df3bd5fb48faadb2bd327e78d3aff3d732fa31fc556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e60aaf3490340711bb6df3bd5fb48faadb2bd327e78d3aff3d732fa31fc556", kill_on_drop: false }`
[INFO] [stdout] c4e60aaf3490340711bb6df3bd5fb48faadb2bd327e78d3aff3d732fa31fc556
[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_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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0da1735b669c1c96992e2c4a5a7d1bfb99af982faf103d7317458b70185fc1a
[INFO] running `Command { std: "docker" "start" "-a" "c0da1735b669c1c96992e2c4a5a7d1bfb99af982faf103d7317458b70185fc1a", kill_on_drop: false }`
[INFO] [stderr] 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": mkdir /var/lib/docker/overlay2/01c70f6e51afed19c5c2923f574f9bdbf1ea1450d1427ea353c6c43ed7a34430/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "c0da1735b669c1c96992e2c4a5a7d1bfb99af982faf103d7317458b70185fc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0da1735b669c1c96992e2c4a5a7d1bfb99af982faf103d7317458b70185fc1a", kill_on_drop: false }`
[INFO] [stdout] c0da1735b669c1c96992e2c4a5a7d1bfb99af982faf103d7317458b70185fc1a