[INFO] fetching crate sanqi-engine 0.1.0...
[INFO] testing sanqi-engine-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sanqi-engine 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sanqi-engine 0.1.0
[INFO] finished tweaking crates.io crate sanqi-engine 0.1.0
[INFO] tweaked toml for crates.io crate sanqi-engine 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sanqi-engine 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sanqi-engine 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bf2297af6a60acca038bfc9ca03e289b369e537ce05ce0a153c839e85d7161
[INFO] running `Command { std: "docker" "start" "-a" "b7bf2297af6a60acca038bfc9ca03e289b369e537ce05ce0a153c839e85d7161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bf2297af6a60acca038bfc9ca03e289b369e537ce05ce0a153c839e85d7161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bf2297af6a60acca038bfc9ca03e289b369e537ce05ce0a153c839e85d7161", kill_on_drop: false }`
[INFO] [stdout] b7bf2297af6a60acca038bfc9ca03e289b369e537ce05ce0a153c839e85d7161
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1ecbbfa8a013353dca5b06476745d7d685411f1e1a97e40eac8daf2dc07b3e
[INFO] running `Command { std: "docker" "start" "-a" "4f1ecbbfa8a013353dca5b06476745d7d685411f1e1a97e40eac8daf2dc07b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sanqi-core v0.1.0
[INFO] [stderr]    Compiling sanqi-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4f1ecbbfa8a013353dca5b06476745d7d685411f1e1a97e40eac8daf2dc07b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1ecbbfa8a013353dca5b06476745d7d685411f1e1a97e40eac8daf2dc07b3e", kill_on_drop: false }`
[INFO] [stdout] 4f1ecbbfa8a013353dca5b06476745d7d685411f1e1a97e40eac8daf2dc07b3e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddae46b71b3074e084da261e0951f37f69e51f819ad0bfea566896401b5085bc
[INFO] running `Command { std: "docker" "start" "-a" "ddae46b71b3074e084da261e0951f37f69e51f819ad0bfea566896401b5085bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sanqi-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ddae46b71b3074e084da261e0951f37f69e51f819ad0bfea566896401b5085bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddae46b71b3074e084da261e0951f37f69e51f819ad0bfea566896401b5085bc", kill_on_drop: false }`
[INFO] [stdout] ddae46b71b3074e084da261e0951f37f69e51f819ad0bfea566896401b5085bc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a10fff6950b66df379f0bd84cb5257181e8110d9679e4ede4d485c2c5870489b
[INFO] running `Command { std: "docker" "start" "-a" "a10fff6950b66df379f0bd84cb5257181e8110d9679e4ede4d485c2c5870489b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sanqi_engine-00fd725eadf19944)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::different_side_to_move_changes_key ... ok
[INFO] [stdout] test tests::evaluation_prefers_extra_material ... ok
[INFO] [stdout] test tests::evaluation_prefers_capture_pressure ... ok
[INFO] [stdout] test tests::identical_positions_have_identical_keys ... ok
[INFO] [stdout] test tests::move_ordering_prefers_captures ... ok
[INFO] [stdout] test tests::move_ordering_prefers_tt_move ... ok
[INFO] [stdout] test tests::quiescence_move_count_is_bounded ... ok
[INFO] [stdout] test tests::tt_bucket_can_hold_multiple_colliding_positions ... ok
[INFO] [stdout] test tests::evaluation_prefers_centralized_pieces ... ok
[INFO] [stdout] test tests::position_key_is_stable_through_apply_and_undo ... ok
[INFO] [stdout] test tests::quiescence_depth_is_bounded ... ok
[INFO] [stdout] test tests::iterative_analysis_returns_fallback_move_on_immediate_timeout ... ok
[INFO] [stdout] test tests::tt_keeps_deeper_entry_for_same_key ... ok
[INFO] [stdout] test tests::quiescence_search_follows_capture_sequence ... ok
[INFO] [stdout] test tests::partial_root_progress_is_preserved_on_timeout ... ok
[INFO] [stdout] test tests::analysis_reports_root_move_count_and_nodes ... ok
[INFO] [stdout] test tests::iterative_search_returns_legal_move ... ok
[INFO] [stdout] test tests::engine_finds_a_legal_move ... ok
[INFO] [stdout] test tests::different_piece_placement_changes_key ... ok
[INFO] [stdout] test tests::transposition_table_stores_root_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sanqi_engine
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.02s; merged doctests compilation took 0.67s
[INFO] running `Command { std: "docker" "inspect" "a10fff6950b66df379f0bd84cb5257181e8110d9679e4ede4d485c2c5870489b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10fff6950b66df379f0bd84cb5257181e8110d9679e4ede4d485c2c5870489b", kill_on_drop: false }`
[INFO] [stdout] a10fff6950b66df379f0bd84cb5257181e8110d9679e4ede4d485c2c5870489b
