[INFO] fetching crate monte-carlo-tree-search 0.3.0...
[INFO] testing monte-carlo-tree-search-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate monte-carlo-tree-search 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] tweaked toml for crates.io crate monte-carlo-tree-search 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate monte-carlo-tree-search 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate monte-carlo-tree-search 0.3.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tic-tac-toe-board v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.3.0
[INFO] [stderr]   Downloaded connect-four-solver v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31886843dadffe91889bdd9cdaad4a4953102983c53ca434595cf21a1fa0b155
[INFO] running `Command { std: "docker" "start" "-a" "31886843dadffe91889bdd9cdaad4a4953102983c53ca434595cf21a1fa0b155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31886843dadffe91889bdd9cdaad4a4953102983c53ca434595cf21a1fa0b155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31886843dadffe91889bdd9cdaad4a4953102983c53ca434595cf21a1fa0b155", kill_on_drop: false }`
[INFO] [stdout] 31886843dadffe91889bdd9cdaad4a4953102983c53ca434595cf21a1fa0b155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f9a1bd74f0e753c9e171ec3ae2100699cab8de146e6c0c6b5d6fe270c722929a
[INFO] running `Command { std: "docker" "start" "-a" "f9a1bd74f0e753c9e171ec3ae2100699cab8de146e6c0c6b5d6fe270c722929a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling getrandom v0.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling monte-carlo-tree-search v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `Command { std: "docker" "inspect" "f9a1bd74f0e753c9e171ec3ae2100699cab8de146e6c0c6b5d6fe270c722929a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a1bd74f0e753c9e171ec3ae2100699cab8de146e6c0c6b5d6fe270c722929a", kill_on_drop: false }`
[INFO] [stdout] f9a1bd74f0e753c9e171ec3ae2100699cab8de146e6c0c6b5d6fe270c722929a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e30953b135d0a3d51948abf3a032282416c313d8a91269617b8e5b9d153e909c
[INFO] running `Command { std: "docker" "start" "-a" "e30953b135d0a3d51948abf3a032282416c313d8a91269617b8e5b9d153e909c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe-board v0.2.2
[INFO] [stderr]    Compiling connect-four-solver v0.2.4
[INFO] [stderr]    Compiling monte-carlo-tree-search v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "e30953b135d0a3d51948abf3a032282416c313d8a91269617b8e5b9d153e909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30953b135d0a3d51948abf3a032282416c313d8a91269617b8e5b9d153e909c", kill_on_drop: false }`
[INFO] [stdout] e30953b135d0a3d51948abf3a032282416c313d8a91269617b8e5b9d153e909c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1dac4cebd1d14ee9192ad226276cd34242afd23add7dca1d98e10bd1333c33dc
[INFO] running `Command { std: "docker" "start" "-a" "1dac4cebd1d14ee9192ad226276cd34242afd23add7dca1d98e10bd1333c33dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/monte_carlo_tree_search-a2a3db5ccc55277c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test evaluation::count_wdl_solved::test::compare_evaluations ... 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] [stderr]      Running tests/connect-four.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/connect_four-1e28160fdfbfc70a)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test beat_perfect_solver_as_player_one ... ignored, Computes a long time. More a design exploration, than an actual test
[INFO] [stdout] test play_against_yourself ... ignored, Computes a long time. More a design exploration, than an actual test
[INFO] [stdout] test solve_connect_four ... ignored, Not powerful enough to solve the game, yet. Takes a long time.
[INFO] [stdout] test start_from_terminal_position ... ok
[INFO] [stdout] test position_42442445555772222514171 ... ok
[INFO] [stdout] test position_424424455557722225141717 ... ok
[INFO] [stdout] test play_move_connect_four ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/integration-438888f89c891165)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test player_one_always_wins ... 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] [stderr]      Running tests/tic-tac-toe.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/tic_tac_toe-5dafe54c305d7550)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test prevent_immediate_win_of_player_one ... ok
[INFO] [stdout] test prevent_immediate_win_of_player_two ... ok
[INFO] [stdout] test report_win_if_initialized_with_terminal_position ... ok
[INFO] [stdout] test solve_defeat_in_two_moves ... ok
[INFO] [stdout] test solve_draw_in_one_move ... ok
[INFO] [stdout] test solve_draw_in_three_moves ... ok
[INFO] [stdout] test unexplored_root_childs ... ok
[INFO] [stdout] test solve_win_in_one_move ... ok
[INFO] [stdout] test solve_win_in_five_moves ... ok
[INFO] [stdout] test solve_draw_in_two_moves ... ok
[INFO] [stdout] test backpropagation_of_draw ... ok
[INFO] [stdout] test play_tic_tac_toe_using_ucb ... ok
[INFO] [stdout] test play_tic_tac_toe_using_ucb_solver ... ok
[INFO] [stdout] test solve_tic_tac_toe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dac4cebd1d14ee9192ad226276cd34242afd23add7dca1d98e10bd1333c33dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dac4cebd1d14ee9192ad226276cd34242afd23add7dca1d98e10bd1333c33dc", kill_on_drop: false }`
[INFO] [stdout] 1dac4cebd1d14ee9192ad226276cd34242afd23add7dca1d98e10bd1333c33dc