[INFO] fetching crate fen4 0.7.0...
[INFO] testing fen4-0.7.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fen4 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fen4 0.7.0
[INFO] finished tweaking crates.io crate fen4 0.7.0
[INFO] tweaked toml for crates.io crate fen4 0.7.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fen4 0.7.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4e001c8aecd3adb02dcfa4d464db4edf8f73ca37a63480dcaf89b20bed021ebd
[INFO] running `Command { std: "docker" "start" "-a" "4e001c8aecd3adb02dcfa4d464db4edf8f73ca37a63480dcaf89b20bed021ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e001c8aecd3adb02dcfa4d464db4edf8f73ca37a63480dcaf89b20bed021ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e001c8aecd3adb02dcfa4d464db4edf8f73ca37a63480dcaf89b20bed021ebd", kill_on_drop: false }`
[INFO] [stdout] 4e001c8aecd3adb02dcfa4d464db4edf8f73ca37a63480dcaf89b20bed021ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 20a7d77c77d6f1c6cf22125986346cc2d2a073247fbb97e3a259253876c3eae8
[INFO] running `Command { std: "docker" "start" "-a" "20a7d77c77d6f1c6cf22125986346cc2d2a073247fbb97e3a259253876c3eae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fen4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "20a7d77c77d6f1c6cf22125986346cc2d2a073247fbb97e3a259253876c3eae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a7d77c77d6f1c6cf22125986346cc2d2a073247fbb97e3a259253876c3eae8", kill_on_drop: false }`
[INFO] [stdout] 20a7d77c77d6f1c6cf22125986346cc2d2a073247fbb97e3a259253876c3eae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] adffbc3b111cabc5f31a98bd3aba8420b5d7e9c7082963bdf431fb28a4e248f0
[INFO] running `Command { std: "docker" "start" "-a" "adffbc3b111cabc5f31a98bd3aba8420b5d7e9c7082963bdf431fb28a4e248f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fen4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "adffbc3b111cabc5f31a98bd3aba8420b5d7e9c7082963bdf431fb28a4e248f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adffbc3b111cabc5f31a98bd3aba8420b5d7e9c7082963bdf431fb28a4e248f0", kill_on_drop: false }`
[INFO] [stdout] adffbc3b111cabc5f31a98bd3aba8420b5d7e9c7082963bdf431fb28a4e248f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01930078cada0c0bc1eab24b6172cff76d48676ddffa75799be9cb34515b1016
[INFO] running `Command { std: "docker" "start" "-a" "01930078cada0c0bc1eab24b6172cff76d48676ddffa75799be9cb34515b1016", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fen4-f2a605beeed1f557)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-01d90f723c366f09)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test default ... ok
[INFO] [stdout] test complicated ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/chess960.rs (/opt/rustwide/target/debug/deps/chess960-c00bb3464aa01ed8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test default_position ... ok
[INFO] [stdout] test smallest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fen4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/types.rs - types::TurnColor::next (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01930078cada0c0bc1eab24b6172cff76d48676ddffa75799be9cb34515b1016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01930078cada0c0bc1eab24b6172cff76d48676ddffa75799be9cb34515b1016", kill_on_drop: false }`
[INFO] [stdout] 01930078cada0c0bc1eab24b6172cff76d48676ddffa75799be9cb34515b1016