[INFO] fetching crate k_board 1.3.1...
[INFO] testing k_board-1.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate k_board 1.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate k_board 1.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate k_board 1.3.1
[INFO] tweaked toml for crates.io crate k_board 1.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate k_board 1.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate k_board 1.3.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40dc5688a5a1cf6c1e4aa04e10b2c9bdf9b2c17939fad9fcecb25af0b063c0e9
[INFO] running `Command { std: "docker" "start" "-a" "40dc5688a5a1cf6c1e4aa04e10b2c9bdf9b2c17939fad9fcecb25af0b063c0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40dc5688a5a1cf6c1e4aa04e10b2c9bdf9b2c17939fad9fcecb25af0b063c0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dc5688a5a1cf6c1e4aa04e10b2c9bdf9b2c17939fad9fcecb25af0b063c0e9", kill_on_drop: false }`
[INFO] [stdout] 40dc5688a5a1cf6c1e4aa04e10b2c9bdf9b2c17939fad9fcecb25af0b063c0e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f489a1c8bddf43bc46c82f0e27a08578a7e9c9821115fa5d10b718ea5af939de
[INFO] running `Command { std: "docker" "start" "-a" "f489a1c8bddf43bc46c82f0e27a08578a7e9c9821115fa5d10b718ea5af939de", kill_on_drop: false }`
[INFO] [stderr]    Compiling k_board v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f489a1c8bddf43bc46c82f0e27a08578a7e9c9821115fa5d10b718ea5af939de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f489a1c8bddf43bc46c82f0e27a08578a7e9c9821115fa5d10b718ea5af939de", kill_on_drop: false }`
[INFO] [stdout] f489a1c8bddf43bc46c82f0e27a08578a7e9c9821115fa5d10b718ea5af939de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1d6c7b7cf95a739f4ed865d6a533aae7b7abbb42cba49f4e7b0743c2785573
[INFO] running `Command { std: "docker" "start" "-a" "9d1d6c7b7cf95a739f4ed865d6a533aae7b7abbb42cba49f4e7b0743c2785573", kill_on_drop: false }`
[INFO] [stderr]    Compiling k_board v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9d1d6c7b7cf95a739f4ed865d6a533aae7b7abbb42cba49f4e7b0743c2785573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1d6c7b7cf95a739f4ed865d6a533aae7b7abbb42cba49f4e7b0743c2785573", kill_on_drop: false }`
[INFO] [stdout] 9d1d6c7b7cf95a739f4ed865d6a533aae7b7abbb42cba49f4e7b0743c2785573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 125d5d26bb97cb90cc4ce9fe49580da669e7c6a2cbdf26a91b4e2c5251c7f0c2
[INFO] running `Command { std: "docker" "start" "-a" "125d5d26bb97cb90cc4ce9fe49580da669e7c6a2cbdf26a91b4e2c5251c7f0c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/k_board-f4f32cab51662a10)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests k_board
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "125d5d26bb97cb90cc4ce9fe49580da669e7c6a2cbdf26a91b4e2c5251c7f0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125d5d26bb97cb90cc4ce9fe49580da669e7c6a2cbdf26a91b4e2c5251c7f0c2", kill_on_drop: false }`
[INFO] [stdout] 125d5d26bb97cb90cc4ce9fe49580da669e7c6a2cbdf26a91b4e2c5251c7f0c2