[INFO] fetching crate ducky-learn 0.2.1...
[INFO] testing ducky-learn-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ducky-learn 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ducky-learn 0.2.1
[INFO] finished tweaking crates.io crate ducky-learn 0.2.1
[INFO] tweaked toml for crates.io crate ducky-learn 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ducky-learn 0.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ducky-learn 0.2.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eed3c31982d861dbbfed33782dd2dd16d2a26b10d7259ce87fbfcd819b6b26fc
[INFO] running `Command { std: "docker" "start" "-a" "eed3c31982d861dbbfed33782dd2dd16d2a26b10d7259ce87fbfcd819b6b26fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed3c31982d861dbbfed33782dd2dd16d2a26b10d7259ce87fbfcd819b6b26fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed3c31982d861dbbfed33782dd2dd16d2a26b10d7259ce87fbfcd819b6b26fc", kill_on_drop: false }`
[INFO] [stdout] eed3c31982d861dbbfed33782dd2dd16d2a26b10d7259ce87fbfcd819b6b26fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8412399b8d8c312134fdda3753e30ac17c9785035979d16337bc47202fa12bce
[INFO] running `Command { std: "docker" "start" "-a" "8412399b8d8c312134fdda3753e30ac17c9785035979d16337bc47202fa12bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.10
[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 num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling ducky-learn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "8412399b8d8c312134fdda3753e30ac17c9785035979d16337bc47202fa12bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8412399b8d8c312134fdda3753e30ac17c9785035979d16337bc47202fa12bce", kill_on_drop: false }`
[INFO] [stdout] 8412399b8d8c312134fdda3753e30ac17c9785035979d16337bc47202fa12bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e871ab60b6610cbae67d45fa014da187b7409d6e7391e827513f22025e0ec43
[INFO] running `Command { std: "docker" "start" "-a" "7e871ab60b6610cbae67d45fa014da187b7409d6e7391e827513f22025e0ec43", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnist v0.5.0
[INFO] [stderr]    Compiling ducky-learn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "7e871ab60b6610cbae67d45fa014da187b7409d6e7391e827513f22025e0ec43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e871ab60b6610cbae67d45fa014da187b7409d6e7391e827513f22025e0ec43", kill_on_drop: false }`
[INFO] [stdout] 7e871ab60b6610cbae67d45fa014da187b7409d6e7391e827513f22025e0ec43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5178207d1684cabcbed67d31d91577829da4c7bc9dbdbef8af1d6725d0a372d
[INFO] running `Command { std: "docker" "start" "-a" "a5178207d1684cabcbed67d31d91577829da4c7bc9dbdbef8af1d6725d0a372d", 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/debug/deps/ducky_learn-9abe63bdc8ad391c)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test activations::activations_tests::deriv_relu_1d_2 ... ok
[INFO] [stdout] test activations::activations_tests::relu_1d_1 ... ok
[INFO] [stdout] test activations::activations_tests::deriv_relu_1d_3 ... ok
[INFO] [stdout] test activations::activations_tests::relu_1d_2 ... ok
[INFO] [stdout] test activations::activations_tests::softmax_1d_1 ... ok
[INFO] [stdout] test activations::activations_tests::relu_1d_3 ... ok
[INFO] [stdout] test activations::activations_tests::softmax_1d_2 ... ok
[INFO] [stdout] test activations::activations_tests::softmax_1d_3 ... ok
[INFO] [stdout] test cost::cost_tests::deriv_mse_1 ... ok
[INFO] [stdout] test cost::cost_tests::deriv_mse_2 ... ok
[INFO] [stdout] test cost::cost_tests::deriv_mse_3 ... ok
[INFO] [stdout] test cost::cost_tests::mse_1 ... ok
[INFO] [stdout] test layers::layers_tests::dense1d_pass_arr1_1 ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_class_probability ... ok
[INFO] [stdout] test cost::cost_tests::mse_3 ... ok
[INFO] [stdout] test layers::layers_tests::dense1d_pass_arr1_2 ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_class_probability_sum_to_one ... ok
[INFO] [stdout] test feature_extraction::feature_extraction_tests::test_count_vector_fit_transform ... ok
[INFO] [stdout] test cost::cost_tests::mse_2 ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_feature_probability ... ok
[INFO] [stdout] test feature_extraction::feature_extraction_tests::test_empty_string ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_feature_probability_mismatched_lengths ... ok
[INFO] [stdout] test layers::layers_tests::dense1d_activation ... ok
[INFO] [stdout] test activations::activations_tests::deriv_relu_1d_1 ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_feature_probability_no_data ... ok
[INFO] [stdout] test naive_bayes::naive_bayes_tests::test_predict_std ... ok
[INFO] [stdout] test train::train_tests::forwards_pass_2 ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_feature_probability_same_feature_values ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_mean ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_probability ... ok
[INFO] [stdout] test naive_bayes::calculation_functions_tests::test_calculate_std_dev ... ok
[INFO] [stdout] test train::train_tests::forwards_pass_3 ... ok
[INFO] [stdout] test layers::layers_tests::dense1d_new ... ok
[INFO] [stdout] test naive_bayes::naive_bayes_tests::test_fit_gaus ... ok
[INFO] [stdout] test naive_bayes::naive_bayes_tests::test_fit_std ... ok
[INFO] [stdout] test naive_bayes::naive_bayes_tests::test_new_gaus ... ok
[INFO] [stdout] test naive_bayes::naive_bayes_tests::test_predict_gaus ... ok
[INFO] [stdout] test train::train_tests::forwards_pass_1 ... ok
[INFO] [stdout] test util::util_tests::test_multiple_elements ... ok
[INFO] [stderr]    Doc-tests ducky_learn
[INFO] [stdout] test util::util_tests::test_empty ... ok
[INFO] [stdout] test util::util_tests::test_single_element ... ok
[INFO] [stdout] test layers::layers_tests::dense1d_pass_arr1_diff_size - should panic ... ok
[INFO] [stdout] test train::train_tests::forwards_pass_4 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/feature_extraction.rs - feature_extraction::CountVectorizer::fit_transform (line 63) ... ok
[INFO] [stdout] test src/feature_extraction.rs - feature_extraction::CountVectorizer::new (line 35) ... ok
[INFO] [stdout] test src/naive_bayes.rs - naive_bayes::GaussianNaiveBayes (line 197) ... ok
[INFO] [stdout] test src/layers.rs - layers::Layer1d::pass (line 20) ... ok
[INFO] [stdout] test src/naive_bayes.rs - naive_bayes::GaussianNaiveBayes::new (line 244) ... ok
[INFO] [stdout] test src/naive_bayes.rs - naive_bayes::GaussianNaiveBayes::fit (line 274) ... ok
[INFO] [stdout] test src/naive_bayes.rs - naive_bayes::GaussianNaiveBayes<Fit>::predict (line 326) ... ok
[INFO] [stdout] test src/activations.rs - activations::deriv_relu_1d (line 38) ... ok
[INFO] [stdout] test src/activations.rs - activations::relu_1d (line 17) ... ok
[INFO] [stdout] test src/naive_bayes.rs - naive_bayes::StdNaiveBayes (line 19) ... ok
[INFO] [stdout] test src/layers.rs - layers::Dense1d::new (line 95) ... ok
[INFO] [stdout] test src/layers.rs - layers::Dense1d::from (line 57) ... ok
[INFO] [stdout] test src/activations.rs - activations::softmax_1d (line 62) ... ok
[INFO] [stdout] test src/feature_extraction.rs - feature_extraction::CountVectorizer::transform (line 106) ... ok
[INFO] [stdout] test src/feature_extraction.rs - feature_extraction::CountVectorizer (line 12) ... ok
[INFO] [stdout] test src/util.rs - util::one_hot_encoding_vec (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5178207d1684cabcbed67d31d91577829da4c7bc9dbdbef8af1d6725d0a372d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5178207d1684cabcbed67d31d91577829da4c7bc9dbdbef8af1d6725d0a372d", kill_on_drop: false }`
[INFO] [stdout] a5178207d1684cabcbed67d31d91577829da4c7bc9dbdbef8af1d6725d0a372d