[INFO] fetching crate myopic-brain 1.8.0...
[INFO] testing myopic-brain-1.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate myopic-brain 1.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate myopic-brain 1.8.0
[INFO] finished tweaking crates.io crate myopic-brain 1.8.0
[INFO] tweaked toml for crates.io crate myopic-brain 1.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate myopic-brain 1.8.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c4f0d7fdff3e9451c82a942b8a2c6895f70f3e9324a4cecbd05422544b3510
[INFO] running `Command { std: "docker" "start" "-a" "67c4f0d7fdff3e9451c82a942b8a2c6895f70f3e9324a4cecbd05422544b3510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c4f0d7fdff3e9451c82a942b8a2c6895f70f3e9324a4cecbd05422544b3510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c4f0d7fdff3e9451c82a942b8a2c6895f70f3e9324a4cecbd05422544b3510", kill_on_drop: false }`
[INFO] [stdout] 67c4f0d7fdff3e9451c82a942b8a2c6895f70f3e9324a4cecbd05422544b3510
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c3bd10c0ac0257c4c796406aac36f7971ff6aa922d765b403e83adb8c804b1
[INFO] running `Command { std: "docker" "start" "-a" "29c3bd10c0ac0257c4c796406aac36f7971ff6aa922d765b403e83adb8c804b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]    Compiling enumset v1.1.10
[INFO] [stderr]    Compiling myopic-core v1.3.0
[INFO] [stderr]    Compiling myopic-board v2.2.0
[INFO] [stderr]    Compiling myopic-brain v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "29c3bd10c0ac0257c4c796406aac36f7971ff6aa922d765b403e83adb8c804b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c3bd10c0ac0257c4c796406aac36f7971ff6aa922d765b403e83adb8c804b1", kill_on_drop: false }`
[INFO] [stdout] 29c3bd10c0ac0257c4c796406aac36f7971ff6aa922d765b403e83adb8c804b1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c11c0d4d4b9ac8acecc4772d1171f30af97c6feee62932f3a834587ad7eea2
[INFO] running `Command { std: "docker" "start" "-a" "02c11c0d4d4b9ac8acecc4772d1171f30af97c6feee62932f3a834587ad7eea2", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling myopic-brain v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "02c11c0d4d4b9ac8acecc4772d1171f30af97c6feee62932f3a834587ad7eea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c11c0d4d4b9ac8acecc4772d1171f30af97c6feee62932f3a834587ad7eea2", kill_on_drop: false }`
[INFO] [stdout] 02c11c0d4d4b9ac8acecc4772d1171f30af97c6feee62932f3a834587ad7eea2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 982dce61d1b7147e16c36526c0957492766b2bf88cc8a8bf52939042de5b0a3a
[INFO] running `Command { std: "docker" "start" "-a" "982dce61d1b7147e16c36526c0957492766b2bf88cc8a8bf52939042de5b0a3a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/search/negascout.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     Pv(u8, Move),
[INFO] [stderr]     |     -- ^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 126 -     Pv(u8, Move),
[INFO] [stderr] 126 +     Pv((), Move),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConstantEstimator` is never constructed
[INFO] [stderr]   --> src/search/ordering.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ConstantEstimator;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `myopic-brain` (lib) generated 2 warnings
[INFO] [stderr] warning: `myopic-brain` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/myopic_brain-d57321a5e281944a)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test bench::mateinthree::benchmark ... ignored
[INFO] [stdout] test bench::middlegame::benchmark ... ignored
[INFO] [stdout] test eval::tables::test::test_endgame ... ok
[INFO] [stdout] test eval::tables::test::test_midgame ... ok
[INFO] [stdout] test eval::tables::test::test_pawn_table_conjunction ... ok
[INFO] [stdout] test eval::tables::test::test_reflect ... ok
[INFO] [stdout] test search::searchoutcome_serialize_test::test_json_serialize ... ok
[INFO] [stdout] test eval::additional_components::opening::test::case_3 ... ok
[INFO] [stdout] test eval::additional_components::opening::test::issue_97 ... ok
[INFO] [stdout] test eval::imp::test::case_1 ... ok
[INFO] [stdout] test eval::additional_components::opening::test::case_1 ... ok
[INFO] [stdout] test search::test::mate_4 ... ignored
[INFO] [stdout] test eval::additional_components::opening::test::case_2 ... ok
[INFO] [stdout] test search::test::queen_escape_attack ... ok
[INFO] [stdout] test search::test::tactic_1 ... ignored
[INFO] [stdout] test search::test::tactic_2 ... ignored
[INFO] [stdout] test see::test::see_case_1 ... ok
[INFO] [stdout] test see::test::see_case_2 ... ok
[INFO] [stdout] test see::test::see_case_3 ... ok
[INFO] [stdout] test search::test::mate_2 ... ok
[INFO] [stdout] test search::test::mate_3 ... ok
[INFO] [stdout] test eval::clearcut::check_pv_length_is_depth ... ok
[INFO] [stdout] test search::test::mate_0 ... ok
[INFO] [stdout] test eval::clearcut::case_1 ... ok
[INFO] [stdout] test search::test::mate_1 ... ok
[INFO] [stdout] test search::test::mate_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 28.52s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests myopic_brain
[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" "982dce61d1b7147e16c36526c0957492766b2bf88cc8a8bf52939042de5b0a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982dce61d1b7147e16c36526c0957492766b2bf88cc8a8bf52939042de5b0a3a", kill_on_drop: false }`
[INFO] [stdout] 982dce61d1b7147e16c36526c0957492766b2bf88cc8a8bf52939042de5b0a3a
