[INFO] fetching crate bitboard_chess_engine 0.1.9...
[INFO] testing bitboard_chess_engine-0.1.9 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate bitboard_chess_engine 0.1.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate bitboard_chess_engine 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bitboard_chess_engine 0.1.9
[INFO] tweaked toml for crates.io crate bitboard_chess_engine 0.1.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitboard_chess_engine 0.1.9 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] crate crates.io crate bitboard_chess_engine 0.1.9 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 88f8aa91be49217c175e56ccc298d5b1e4cd47cc46f7bd27160ddd30aa8e7354
[INFO] running `Command { std: "docker" "start" "-a" "88f8aa91be49217c175e56ccc298d5b1e4cd47cc46f7bd27160ddd30aa8e7354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f8aa91be49217c175e56ccc298d5b1e4cd47cc46f7bd27160ddd30aa8e7354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f8aa91be49217c175e56ccc298d5b1e4cd47cc46f7bd27160ddd30aa8e7354", kill_on_drop: false }`
[INFO] [stdout] 88f8aa91be49217c175e56ccc298d5b1e4cd47cc46f7bd27160ddd30aa8e7354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a402dbecf3d8cba77f699ae2ff2abfd67c7d47d05be699de7314db291360e315
[INFO] running `Command { std: "docker" "start" "-a" "a402dbecf3d8cba77f699ae2ff2abfd67c7d47d05be699de7314db291360e315", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bitboard_chess_engine v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "a402dbecf3d8cba77f699ae2ff2abfd67c7d47d05be699de7314db291360e315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a402dbecf3d8cba77f699ae2ff2abfd67c7d47d05be699de7314db291360e315", kill_on_drop: false }`
[INFO] [stdout] a402dbecf3d8cba77f699ae2ff2abfd67c7d47d05be699de7314db291360e315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c91e852a07c7b278b0af4ba8f50840e457762315e94e8ed1ab679410c6718a30
[INFO] running `Command { std: "docker" "start" "-a" "c91e852a07c7b278b0af4ba8f50840e457762315e94e8ed1ab679410c6718a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitboard_chess_engine v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "c91e852a07c7b278b0af4ba8f50840e457762315e94e8ed1ab679410c6718a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91e852a07c7b278b0af4ba8f50840e457762315e94e8ed1ab679410c6718a30", kill_on_drop: false }`
[INFO] [stdout] c91e852a07c7b278b0af4ba8f50840e457762315e94e8ed1ab679410c6718a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 246a1de6e56b42c4658f93624acfc86ab9d8560ac17ef3086f7de241d189bddb
[INFO] running `Command { std: "docker" "start" "-a" "246a1de6e56b42c4658f93624acfc86ab9d8560ac17ef3086f7de241d189bddb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess_engine-f4ef7b1c8f45b418)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test uci::tests::test_move_from_uci_string ... ok
[INFO] [stdout] test uci::tests::test_move_from_uci_string_promotion ... ok
[INFO] [stdout] test uci::tests::test_move_to_uci ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'uci::tests::test_startpos_position' (21) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/chess_engine-f4ef7b1c8f45b418` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "246a1de6e56b42c4658f93624acfc86ab9d8560ac17ef3086f7de241d189bddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246a1de6e56b42c4658f93624acfc86ab9d8560ac17ef3086f7de241d189bddb", kill_on_drop: false }`
[INFO] [stdout] 246a1de6e56b42c4658f93624acfc86ab9d8560ac17ef3086f7de241d189bddb
