[INFO] cloning repository https://github.com/stevenmsl/rust_bt_word_ladder_127
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenmsl/rust_bt_word_ladder_127" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc60746674e60a76ec6b6a96d482dbefe381c8a8
[INFO] testing stevenmsl/rust_bt_word_ladder_127 against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_127
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_127
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 918aabbc4952ad7c5de1ae44c25ced4409e8ad324ad7b2ae0c56b65eff556397
[INFO] running `Command { std: "docker" "start" "-a" "918aabbc4952ad7c5de1ae44c25ced4409e8ad324ad7b2ae0c56b65eff556397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918aabbc4952ad7c5de1ae44c25ced4409e8ad324ad7b2ae0c56b65eff556397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918aabbc4952ad7c5de1ae44c25ced4409e8ad324ad7b2ae0c56b65eff556397", kill_on_drop: false }`
[INFO] [stdout] 918aabbc4952ad7c5de1ae44c25ced4409e8ad324ad7b2ae0c56b65eff556397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b8f1c150d13cddc4fa3fffdd4eb0ff1a64b35ed66bbdb1d4c0baaaea3289b6
[INFO] running `Command { std: "docker" "start" "-a" "b4b8f1c150d13cddc4fa3fffdd4eb0ff1a64b35ed66bbdb1d4c0baaaea3289b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_127 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b4b8f1c150d13cddc4fa3fffdd4eb0ff1a64b35ed66bbdb1d4c0baaaea3289b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b8f1c150d13cddc4fa3fffdd4eb0ff1a64b35ed66bbdb1d4c0baaaea3289b6", kill_on_drop: false }`
[INFO] [stdout] b4b8f1c150d13cddc4fa3fffdd4eb0ff1a64b35ed66bbdb1d4c0baaaea3289b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed317440c2a8d7b29cd9e076100a3992e8e850b495b57c22ad80db2b7e23e2d
[INFO] running `Command { std: "docker" "start" "-a" "fed317440c2a8d7b29cd9e076100a3992e8e850b495b57c22ad80db2b7e23e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_127 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetagMaTKM"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_bt_word_ladder_127` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fed317440c2a8d7b29cd9e076100a3992e8e850b495b57c22ad80db2b7e23e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed317440c2a8d7b29cd9e076100a3992e8e850b495b57c22ad80db2b7e23e2d", kill_on_drop: false }`
[INFO] [stdout] fed317440c2a8d7b29cd9e076100a3992e8e850b495b57c22ad80db2b7e23e2d