[INFO] cloning repository https://github.com/bungambohlah/codewars-rust-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bungambohlah/codewars-rust-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungambohlah%2Fcodewars-rust-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungambohlah%2Fcodewars-rust-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d15a5c66ba8017a3ce7e7d3e3941a4b367ce7a3c
[INFO] checking bungambohlah/codewars-rust-challenges against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungambohlah%2Fcodewars-rust-challenges" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bungambohlah/codewars-rust-challenges
[INFO] finished tweaking git repo https://github.com/bungambohlah/codewars-rust-challenges
[INFO] tweaked toml for git repo https://github.com/bungambohlah/codewars-rust-challenges written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bungambohlah/codewars-rust-challenges on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bungambohlah/codewars-rust-challenges 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46907fbd72a5831850c0d9bb34d3339cfa64d4d4bca97f6bfed24eca21f4c2c4
[INFO] running `Command { std: "docker" "start" "-a" "46907fbd72a5831850c0d9bb34d3339cfa64d4d4bca97f6bfed24eca21f4c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46907fbd72a5831850c0d9bb34d3339cfa64d4d4bca97f6bfed24eca21f4c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46907fbd72a5831850c0d9bb34d3339cfa64d4d4bca97f6bfed24eca21f4c2c4", kill_on_drop: false }`
[INFO] [stdout] 46907fbd72a5831850c0d9bb34d3339cfa64d4d4bca97f6bfed24eca21f4c2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf5c09716225dfb9080086721fff70a34cbf78824476507c06b49e7f0300cc2
[INFO] running `Command { std: "docker" "start" "-a" "dbf5c09716225dfb9080086721fff70a34cbf78824476507c06b49e7f0300cc2", 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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": create mountpoint for /opt/rustwide/rustup-home mount: mkdirat /var/lib/docker/overlay2/86ace0d3cc2d227f52bb6b1da4023cf08860ad034f59359a491eeecb2f158be1/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "dbf5c09716225dfb9080086721fff70a34cbf78824476507c06b49e7f0300cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf5c09716225dfb9080086721fff70a34cbf78824476507c06b49e7f0300cc2", kill_on_drop: false }`
[INFO] [stdout] dbf5c09716225dfb9080086721fff70a34cbf78824476507c06b49e7f0300cc2