[INFO] fetching crate check-buddy-core 0.2.3...
[INFO] testing check-buddy-core-0.2.3 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate check-buddy-core 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate check-buddy-core 0.2.3
[INFO] finished tweaking crates.io crate check-buddy-core 0.2.3
[INFO] tweaked toml for crates.io crate check-buddy-core 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate check-buddy-core 0.2.3 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding calamine v0.19.1 (available: v0.32.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ffabb53e7b3cd7ed1197dfd9bd7bf43d12a1b2eccd37af5b535c3311524f25
[INFO] running `Command { std: "docker" "start" "-a" "53ffabb53e7b3cd7ed1197dfd9bd7bf43d12a1b2eccd37af5b535c3311524f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ffabb53e7b3cd7ed1197dfd9bd7bf43d12a1b2eccd37af5b535c3311524f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ffabb53e7b3cd7ed1197dfd9bd7bf43d12a1b2eccd37af5b535c3311524f25", kill_on_drop: false }`
[INFO] [stdout] 53ffabb53e7b3cd7ed1197dfd9bd7bf43d12a1b2eccd37af5b535c3311524f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6911e38b84d30f7158f255be77d5453645185345ba77e1d2f98a14553416e98
[INFO] running `Command { std: "docker" "start" "-a" "e6911e38b84d30f7158f255be77d5453645185345ba77e1d2f98a14553416e98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling check-buddy-core v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "e6911e38b84d30f7158f255be77d5453645185345ba77e1d2f98a14553416e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6911e38b84d30f7158f255be77d5453645185345ba77e1d2f98a14553416e98", kill_on_drop: false }`
[INFO] [stdout] e6911e38b84d30f7158f255be77d5453645185345ba77e1d2f98a14553416e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ece6ac0cc7914e335ac07de11f0ab45c1d4ca5a8fea41e7b4658a8f2aedecfd4
[INFO] running `Command { std: "docker" "start" "-a" "ece6ac0cc7914e335ac07de11f0ab45c1d4ca5a8fea41e7b4658a8f2aedecfd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling quick-xml v0.25.0
[INFO] [stderr]    Compiling codepage v0.1.2
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.5.55
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap v4.5.55
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.35
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling calamine v0.19.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling check-buddy-core v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.74s
[INFO] running `Command { std: "docker" "inspect" "ece6ac0cc7914e335ac07de11f0ab45c1d4ca5a8fea41e7b4658a8f2aedecfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece6ac0cc7914e335ac07de11f0ab45c1d4ca5a8fea41e7b4658a8f2aedecfd4", kill_on_drop: false }`
[INFO] [stdout] ece6ac0cc7914e335ac07de11f0ab45c1d4ca5a8fea41e7b4658a8f2aedecfd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08e3e07568c26397c0a96c147a8737dedb72d509e5efa080508d7bebc54b926e
[INFO] running `Command { std: "docker" "start" "-a" "08e3e07568c26397c0a96c147a8737dedb72d509e5efa080508d7bebc54b926e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/check_buddy_core-65fcf09ff5bb40c3)
[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] [stderr]      Running tests/best_move_validation.rs (/opt/rustwide/target/debug/deps/best_move_validation-b58c227183c27fb8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/fen_parser.rs (/opt/rustwide/target/debug/deps/fen_parser-a2bcad86115238b4)
[INFO] [stdout] test best_move_should_be_valid ... ok
[INFO] [stderr]      Running tests/shannon_number.rs (/opt/rustwide/target/debug/deps/shannon_number-9a805323f6e55185)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.53s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test board_to_fen ... ok
[INFO] [stdout] test complex_fen_to_board ... ok
[INFO] [stdout] test fen_to_board ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test move_integration_test_should_return_valid_move_count_on_depth_one ... ok
[INFO] [stdout] test move_integration_test_should_match_shannon_number has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "08e3e07568c26397c0a96c147a8737dedb72d509e5efa080508d7bebc54b926e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e3e07568c26397c0a96c147a8737dedb72d509e5efa080508d7bebc54b926e", kill_on_drop: false }`
[INFO] [stdout] 08e3e07568c26397c0a96c147a8737dedb72d509e5efa080508d7bebc54b926e
