[INFO] fetching crate littlewing 0.6.0...
[INFO] testing littlewing-0.6.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate littlewing 0.6.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate littlewing 0.6.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littlewing 0.6.0
[INFO] finished tweaking crates.io crate littlewing 0.6.0
[INFO] tweaked toml for crates.io crate littlewing 0.6.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate littlewing 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40122977bcbc0be469d3abeecf22b64a31c0319791b9aae1b308e61b4c946177
[INFO] running `Command { std: "docker" "start" "-a" "40122977bcbc0be469d3abeecf22b64a31c0319791b9aae1b308e61b4c946177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40122977bcbc0be469d3abeecf22b64a31c0319791b9aae1b308e61b4c946177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40122977bcbc0be469d3abeecf22b64a31c0319791b9aae1b308e61b4c946177", kill_on_drop: false }`
[INFO] [stdout] 40122977bcbc0be469d3abeecf22b64a31c0319791b9aae1b308e61b4c946177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec37251bc6c720b68eb4e2f76e540d5bc0881cf2d4833d54cb9af0dcc389cbf
[INFO] running `Command { std: "docker" "start" "-a" "5ec37251bc6c720b68eb4e2f76e540d5bc0881cf2d4833d54cb9af0dcc389cbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rustyline v5.0.5
[INFO] [stderr]    Compiling littlewing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.49s
[INFO] running `Command { std: "docker" "inspect" "5ec37251bc6c720b68eb4e2f76e540d5bc0881cf2d4833d54cb9af0dcc389cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec37251bc6c720b68eb4e2f76e540d5bc0881cf2d4833d54cb9af0dcc389cbf", kill_on_drop: false }`
[INFO] [stdout] 5ec37251bc6c720b68eb4e2f76e540d5bc0881cf2d4833d54cb9af0dcc389cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2da244bca20362fa82b627d2099743d716f474d1af25449a61e603fef93a38
[INFO] running `Command { std: "docker" "start" "-a" "1a2da244bca20362fa82b627d2099743d716f474d1af25449a61e603fef93a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling littlewing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "1a2da244bca20362fa82b627d2099743d716f474d1af25449a61e603fef93a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2da244bca20362fa82b627d2099743d716f474d1af25449a61e603fef93a38", kill_on_drop: false }`
[INFO] [stdout] 1a2da244bca20362fa82b627d2099743d716f474d1af25449a61e603fef93a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f0ce3c4a4c0cd580048a1e4dad02d6251e0eb8bfe8a6db787d2fe97ff84b55f
[INFO] running `Command { std: "docker" "start" "-a" "2f0ce3c4a4c0cd580048a1e4dad02d6251e0eb8bfe8a6db787d2fe97ff84b55f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littlewing-8a2ef6a46c9571a5)
[INFO] [stdout] test bitboard::tests::test_iterator ... ok
[INFO] [stdout] test bitboard::tests::test_shift ... ok
[INFO] [stdout] test dumb7fill::tests::test_dumb7fill ... ok
[INFO] [stdout] test common::tests::test_piece_masks ... ok
[INFO] [stdout] test piece_move::tests::test_move_promotion_kind ... ok
[INFO] [stdout] test piece::tests::test_piece ... ok
[INFO] [stdout] test piece_move::tests::test_move_is_castle ... ok
[INFO] [stdout] test piece_move::tests::test_move_castle_kind ... ok
[INFO] [stdout] test piece_move::tests::test_move_is_promotion ... ok
[INFO] [stdout] test piece_move_list::tests::test_moves_ordering ... ok
[INFO] [stdout] test piece_move_list::tests::test_next_stage ... ok
[INFO] [stdout] test pgn::tests::test_string_to_pgn ... ok
[INFO] [stdout] test game::tests::test_tt_resize ... ok
[INFO] [stdout] test board::tests::test_draw_with_coordinates ... ok
[INFO] [stdout] test eval::tests::test_closed_files ... ok
[INFO] [stdout] test piece_move_generator::tests::test_mvv_lva ... ok
[INFO] [stdout] test piece_square_table::tests::test_pst ... ok
[INFO] [stdout] test piece_move_generator::tests::test_capture ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_lan ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order ... ok
[INFO] [stdout] test positions::tests::test_size_of_position ... ok
[INFO] [stdout] test positions::tests::test_position_castling_rights ... ok
[INFO] [stdout] test attack::tests::test_rook_attacks ... ok
[INFO] [stdout] test eval::tests::test_half_open_files ... ok
[INFO] [stdout] test board::tests::test_draw_compact_with_coordinates ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_with_best_and_killer_moves ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_when_best_move_is_bad_capture ... ok
[INFO] [stdout] test eval::tests::test_open_files ... ok
[INFO] [stdout] test fen::tests::test_from_fen ... ok
[INFO] [stdout] test attack::tests::test_bishop_attacks ... ok
[INFO] [stdout] test attack::tests::test_piece_attacks ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_move_update_halfmoves_count ... ok
[INFO] [stdout] test pgn::tests::test_game_to_pgn ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_lan_checked ... ok
[INFO] [stdout] test square::tests::test_flip ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_when_best_move_is_quiet_move ... ok
[INFO] [stdout] test square::tests::test_from_coord ... ok
[INFO] [stdout] test square::tests::test_to_coord ... ok
[INFO] [stdout] test eval::tests::test_draw ... ok
[INFO] [stdout] test transposition::tests::test_size_of_transposition ... ok
[INFO] [stdout] test zobrist::tests::test_new ... ok
[INFO] [stdout] test piece_move_generator::tests::test_is_legal_move ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table_in_threads ... ok
[INFO] [stdout] test piece_move_generator::tests::test_next_move ... ok
[INFO] [stdout] test eval::tests::test_see ... ok
[INFO] [stdout] test board::tests::test_draw ... ok
[INFO] [stdout] test search::tests::test_stalemate ... ok
[INFO] [stdout] test piece_move_generator::tests::test_next_capture ... ok
[INFO] [stdout] test search::tests::test_get_moves ... ok
[INFO] [stdout] test pgn::tests::test_game_load_pgn ... ok
[INFO] [stdout] test piece_move_notation::tests::test_parse_move ... ok
[INFO] [stdout] test search::tests::test_bug_promotion ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_move_hash ... ok
[INFO] [stdout] test search::tests::test_fifty_move_rule ... ok
[INFO] [stdout] test search::tests::test_threefold_repetition ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_undo_move ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table_size ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table ... ok
[INFO] [stdout] test search::tests::test_search_node ... ok
[INFO] [stdout] test search::tests::test_is_mate ... ok
[INFO] [stdout] test protocols::cli::tests::test_divide ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_san ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_to_san ... ok
[INFO] [stdout] test search::tests::test_search ... ok
[INFO] [stdout] test piece_move_generator::tests::test_generate_moves ... ok
[INFO] [stdout] test fen::tests::test_to_fen ... ok
[INFO] [stdout] test search::tests::test_repetitions ... ok
[INFO] [stdout] test search::tests::test_perft ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_undo_move_hash ... ok
[INFO] [stdout] test search::tests::test_null_move_pruning ... ok
[INFO] [stdout] test protocols::cli::tests::test_undo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littlewing-37b185e39baaaf38)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wac.rs (/opt/rustwide/target/debug/deps/wac-0b5a5fb56b0591e0)
[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 1 test
[INFO] [stderr]    Doc-tests littlewing
[INFO] [stdout] test test_wac ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.65s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f0ce3c4a4c0cd580048a1e4dad02d6251e0eb8bfe8a6db787d2fe97ff84b55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0ce3c4a4c0cd580048a1e4dad02d6251e0eb8bfe8a6db787d2fe97ff84b55f", kill_on_drop: false }`
[INFO] [stdout] 2f0ce3c4a4c0cd580048a1e4dad02d6251e0eb8bfe8a6db787d2fe97ff84b55f
