[INFO] fetching crate fenex 0.1.10...
[INFO] testing fenex-0.1.10 against 1.90.0 for beta-1.91-3
[INFO] extracting crate fenex 0.1.10 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fenex 0.1.10
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fenex 0.1.10
[INFO] tweaked toml for crates.io crate fenex 0.1.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fenex 0.1.10 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fenex 0.1.10 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3497439b2643c4a274f26bb3f877164ca8423e12b5e88c0c39095878d8682916
[INFO] running `Command { std: "docker" "start" "-a" "3497439b2643c4a274f26bb3f877164ca8423e12b5e88c0c39095878d8682916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3497439b2643c4a274f26bb3f877164ca8423e12b5e88c0c39095878d8682916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3497439b2643c4a274f26bb3f877164ca8423e12b5e88c0c39095878d8682916", kill_on_drop: false }`
[INFO] [stdout] 3497439b2643c4a274f26bb3f877164ca8423e12b5e88c0c39095878d8682916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e42d00e45678f0071e74d91d5ab4eca7e5e12255f4256356dc20766f1425e6d
[INFO] running `Command { std: "docker" "start" "-a" "2e42d00e45678f0071e74d91d5ab4eca7e5e12255f4256356dc20766f1425e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fenex v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2e42d00e45678f0071e74d91d5ab4eca7e5e12255f4256356dc20766f1425e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e42d00e45678f0071e74d91d5ab4eca7e5e12255f4256356dc20766f1425e6d", kill_on_drop: false }`
[INFO] [stdout] 2e42d00e45678f0071e74d91d5ab4eca7e5e12255f4256356dc20766f1425e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63a8d5cb087b9a6eda5070a941d7b81e2f22e5907455d800ad65fa18db3c2635
[INFO] running `Command { std: "docker" "start" "-a" "63a8d5cb087b9a6eda5070a941d7b81e2f22e5907455d800ad65fa18db3c2635", kill_on_drop: false }`
[INFO] [stderr]    Compiling fenex v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/fenex_test.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |     let mut board = Board::from_fen(fen).unwrap();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "63a8d5cb087b9a6eda5070a941d7b81e2f22e5907455d800ad65fa18db3c2635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a8d5cb087b9a6eda5070a941d7b81e2f22e5907455d800ad65fa18db3c2635", kill_on_drop: false }`
[INFO] [stdout] 63a8d5cb087b9a6eda5070a941d7b81e2f22e5907455d800ad65fa18db3c2635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa5d6f1787206278233f128472f2df5e2ebff84f0c13a0c311ccf92c6c6a29ae
[INFO] running `Command { std: "docker" "start" "-a" "fa5d6f1787206278233f128472f2df5e2ebff84f0c13a0c311ccf92c6c6a29ae", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/fenex_test.rs:517:9
[INFO] [stderr]     |
[INFO] [stderr] 517 |     let mut board = Board::from_fen(fen).unwrap();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fenex` (test "fenex_test") generated 1 warning (run `cargo fix --test "fenex_test"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fenex-002349340e184390)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/fenex_test.rs (/opt/rustwide/target/debug/deps/fenex_test-76247a4f81bd223a)
[INFO] [stdout] test test::boards_and_moves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test test_actual_move_execution_giving_check ... ok
[INFO] [stdout] test test_back_rank_mate ... ok
[INFO] [stdout] test test_can_give_check_to_enemy ... ok
[INFO] [stdout] test test_can_capture_and_give_check ... ok
[INFO] [stdout] test test_blocked_check ... ok
[INFO] [stdout] test test_can_give_check_without_capturing_king ... ok
[INFO] [stdout] test test_check_escape_by_blocking ... ok
[INFO] [stdout] test test_check_escape_by_capture ... ok
[INFO] [stdout] test test_check_escape_by_moving_king ... ok
[INFO] [stdout] test test_checkmate_detection ... ok
[INFO] [stdout] test test_castling_rights ... ok
[INFO] [stdout] test test_cannot_move_into_check ... ok
[INFO] [stdout] test test_debug_enemy_check_restriction ... ok
[INFO] [stdout] test test_diagonal_check ... ok
[INFO] [stdout] test test_en_passant ... ok
[INFO] [stdout] test test_illegal_move ... ok
[INFO] [stdout] test test_fen_parsing_and_serialization ... ok
[INFO] [stdout] test test_invalid_promotion_piece ... ok
[INFO] [stdout] test test_fools_mate ... ok
[INFO] [stdout] test test_invalid_fen ... ok
[INFO] [stdout] test test_knight_check ... ok
[INFO] [stdout] test test_no_check_detection ... ok
[INFO] [stdout] test test_knight_move_generation ... ok
[INFO] [stdout] test test_pawn_check ... ok
[INFO] [stdout] test test_pawn_promotion ... ok
[INFO] [stdout] test test_pawn_promotion_to_different_pieces ... ok
[INFO] [stdout] test test_pawn_move_generation ... ok
[INFO] [stdout] test test_pinned_piece_cannot_move ... ok
[INFO] [stdout] test test_queen_can_give_check ... ok
[INFO] [stdout] test test_stalemate_detection ... ok
[INFO] [stdout] test test_queen_check ... ok
[INFO] [stdout] test test_scholars_mate ... ok
[INFO] [stdout] test test_stalemate_position ... ok
[INFO] [stdout] test test_complex_position_can_give_check ... ok
[INFO] [stdout] test test_check_detection ... ok
[INFO] [stdout] test test_pawn_promotion_with_apply_move_with_promotion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fenex
[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" "fa5d6f1787206278233f128472f2df5e2ebff84f0c13a0c311ccf92c6c6a29ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5d6f1787206278233f128472f2df5e2ebff84f0c13a0c311ccf92c6c6a29ae", kill_on_drop: false }`
[INFO] [stdout] fa5d6f1787206278233f128472f2df5e2ebff84f0c13a0c311ccf92c6c6a29ae