[INFO] fetching crate fen-rs 0.1.5...
[INFO] testing fen-rs-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fen-rs 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fen-rs 0.1.5
[INFO] finished tweaking crates.io crate fen-rs 0.1.5
[INFO] tweaked toml for crates.io crate fen-rs 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fen-rs 0.1.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f5749ba8bd252ba4a57331362755c04c37460c2c3f0e8c0c52cdf8af03d72f61
[INFO] running `Command { std: "docker" "start" "-a" "f5749ba8bd252ba4a57331362755c04c37460c2c3f0e8c0c52cdf8af03d72f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5749ba8bd252ba4a57331362755c04c37460c2c3f0e8c0c52cdf8af03d72f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5749ba8bd252ba4a57331362755c04c37460c2c3f0e8c0c52cdf8af03d72f61", kill_on_drop: false }`
[INFO] [stdout] f5749ba8bd252ba4a57331362755c04c37460c2c3f0e8c0c52cdf8af03d72f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 835c2df1d5b8c0975c63dc07dbd15b57779db151b5c0d0ccb5119c8feb56a44a
[INFO] running `Command { std: "docker" "start" "-a" "835c2df1d5b8c0975c63dc07dbd15b57779db151b5c0d0ccb5119c8feb56a44a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fen-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "835c2df1d5b8c0975c63dc07dbd15b57779db151b5c0d0ccb5119c8feb56a44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835c2df1d5b8c0975c63dc07dbd15b57779db151b5c0d0ccb5119c8feb56a44a", kill_on_drop: false }`
[INFO] [stdout] 835c2df1d5b8c0975c63dc07dbd15b57779db151b5c0d0ccb5119c8feb56a44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9e07a99a6c55a89a96a18aa7a27a589e4188e756a431daa08bc66a7f7fffe40c
[INFO] running `Command { std: "docker" "start" "-a" "9e07a99a6c55a89a96a18aa7a27a589e4188e756a431daa08bc66a7f7fffe40c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fen-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9e07a99a6c55a89a96a18aa7a27a589e4188e756a431daa08bc66a7f7fffe40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e07a99a6c55a89a96a18aa7a27a589e4188e756a431daa08bc66a7f7fffe40c", kill_on_drop: false }`
[INFO] [stdout] 9e07a99a6c55a89a96a18aa7a27a589e4188e756a431daa08bc66a7f7fffe40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2137c58fc41de198c730058f327d7f3a06e6afe4d40495bd1105c86c41e34154
[INFO] running `Command { std: "docker" "start" "-a" "2137c58fc41de198c730058f327d7f3a06e6afe4d40495bd1105c86c41e34154", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fen_rs-b6e44975f3738de0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_create_board ... ok
[INFO] [stdout] test test::test_from_fen ... ok
[INFO] [stdout] test test::test_to_fen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fen_rs
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "2137c58fc41de198c730058f327d7f3a06e6afe4d40495bd1105c86c41e34154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2137c58fc41de198c730058f327d7f3a06e6afe4d40495bd1105c86c41e34154", kill_on_drop: false }`
[INFO] [stdout] 2137c58fc41de198c730058f327d7f3a06e6afe4d40495bd1105c86c41e34154