[INFO] cloning repository https://github.com/taaamooo/knight-tour-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taaamooo/knight-tour-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaaamooo%2Fknight-tour-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaaamooo%2Fknight-tour-problem'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/taaamooo/knight-tour-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taaamooo/knight-tour-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaaamooo%2Fknight-tour-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaaamooo%2Fknight-tour-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a304b3b6736924c3a1c06c5b63f5acb8c8fa9ae
[INFO] testing taaamooo/knight-tour-problem against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaaamooo%2Fknight-tour-problem" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taaamooo/knight-tour-problem on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taaamooo/knight-tour-problem
[INFO] finished tweaking git repo https://github.com/taaamooo/knight-tour-problem
[INFO] tweaked toml for git repo https://github.com/taaamooo/knight-tour-problem written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/taaamooo/knight-tour-problem 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a3d67a853f3ba0930c4cf3a8bf10676843cf5309ded505b9f023e86fbd83c1d
[INFO] running `Command { std: "docker" "start" "-a" "4a3d67a853f3ba0930c4cf3a8bf10676843cf5309ded505b9f023e86fbd83c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a3d67a853f3ba0930c4cf3a8bf10676843cf5309ded505b9f023e86fbd83c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3d67a853f3ba0930c4cf3a8bf10676843cf5309ded505b9f023e86fbd83c1d", kill_on_drop: false }`
[INFO] [stdout] 4a3d67a853f3ba0930c4cf3a8bf10676843cf5309ded505b9f023e86fbd83c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283f8753fc8b40ef670daedbcbaedcc51f46232fccd790a476e7b23f3563864e
[INFO] running `Command { std: "docker" "start" "-a" "283f8753fc8b40ef670daedbcbaedcc51f46232fccd790a476e7b23f3563864e", kill_on_drop: false }`
[INFO] [stderr]    Compiling knight-tour-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "283f8753fc8b40ef670daedbcbaedcc51f46232fccd790a476e7b23f3563864e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283f8753fc8b40ef670daedbcbaedcc51f46232fccd790a476e7b23f3563864e", kill_on_drop: false }`
[INFO] [stdout] 283f8753fc8b40ef670daedbcbaedcc51f46232fccd790a476e7b23f3563864e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf54e6c163a4d3b23cfb5fbcf27f7b3a7a458c864e4b9d5c94413ba998c6a5d
[INFO] running `Command { std: "docker" "start" "-a" "faf54e6c163a4d3b23cfb5fbcf27f7b3a7a458c864e4b9d5c94413ba998c6a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling knight-tour-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "faf54e6c163a4d3b23cfb5fbcf27f7b3a7a458c864e4b9d5c94413ba998c6a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf54e6c163a4d3b23cfb5fbcf27f7b3a7a458c864e4b9d5c94413ba998c6a5d", kill_on_drop: false }`
[INFO] [stdout] faf54e6c163a4d3b23cfb5fbcf27f7b3a7a458c864e4b9d5c94413ba998c6a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90ea5dda04de4efe79dd6db5c55983979695b84f5d39e97b982d550468cdae4c
[INFO] running `Command { std: "docker" "start" "-a" "90ea5dda04de4efe79dd6db5c55983979695b84f5d39e97b982d550468cdae4c", 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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/19457d6df494993a78683613d2f621a37a075b290c4d13fcfe2752218445a8d2/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "90ea5dda04de4efe79dd6db5c55983979695b84f5d39e97b982d550468cdae4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ea5dda04de4efe79dd6db5c55983979695b84f5d39e97b982d550468cdae4c", kill_on_drop: false }`
[INFO] [stdout] 90ea5dda04de4efe79dd6db5c55983979695b84f5d39e97b982d550468cdae4c