[INFO] fetching crate statskit 0.1.0...
[INFO] testing statskit-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate statskit 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate statskit 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate statskit 0.1.0
[INFO] tweaked toml for crates.io crate statskit 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate statskit 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate statskit 0.1.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094d05626151049ad339793cd131171ee27412f3a487e3a02a4c7222e1099050
[INFO] running `Command { std: "docker" "start" "-a" "094d05626151049ad339793cd131171ee27412f3a487e3a02a4c7222e1099050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094d05626151049ad339793cd131171ee27412f3a487e3a02a4c7222e1099050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094d05626151049ad339793cd131171ee27412f3a487e3a02a4c7222e1099050", kill_on_drop: false }`
[INFO] [stdout] 094d05626151049ad339793cd131171ee27412f3a487e3a02a4c7222e1099050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 084a6eb770c63b49316e7f920fab193eab2dca65c0082b6d7c36b93bb10a336b
[INFO] running `Command { std: "docker" "start" "-a" "084a6eb770c63b49316e7f920fab193eab2dca65c0082b6d7c36b93bb10a336b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling statskit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "084a6eb770c63b49316e7f920fab193eab2dca65c0082b6d7c36b93bb10a336b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084a6eb770c63b49316e7f920fab193eab2dca65c0082b6d7c36b93bb10a336b", kill_on_drop: false }`
[INFO] [stdout] 084a6eb770c63b49316e7f920fab193eab2dca65c0082b6d7c36b93bb10a336b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c0a0b7d1711ded202f5d9843abfac9efc05dad7a29f35d0ef7d324b1c156a8
[INFO] running `Command { std: "docker" "start" "-a" "f9c0a0b7d1711ded202f5d9843abfac9efc05dad7a29f35d0ef7d324b1c156a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling statskit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "f9c0a0b7d1711ded202f5d9843abfac9efc05dad7a29f35d0ef7d324b1c156a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c0a0b7d1711ded202f5d9843abfac9efc05dad7a29f35d0ef7d324b1c156a8", kill_on_drop: false }`
[INFO] [stdout] f9c0a0b7d1711ded202f5d9843abfac9efc05dad7a29f35d0ef7d324b1c156a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e71428ea2778b6578d6b080524d85d862c053e4be401dd57b0008208a0aded36
[INFO] running `Command { std: "docker" "start" "-a" "e71428ea2778b6578d6b080524d85d862c053e4be401dd57b0008208a0aded36", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/statskit-9a4c13c016a1b3da)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test calibration::tests::test_brier_worst ... ok
[INFO] [stdout] test calibration::tests::test_ece_perfect ... ok
[INFO] [stdout] test calibration::tests::test_mce_worst_bin ... ok
[INFO] [stdout] test calibration::tests::test_mce_perfectly_calibrated ... ok
[INFO] [stdout] test classify::tests::test_balanced_accuracy_imbalanced ... ok
[INFO] [stdout] test calibration::tests::test_reliability_bins ... ok
[INFO] [stdout] test classify::tests::test_all_same_class ... ok
[INFO] [stdout] test classify::tests::test_average_precision ... ok
[INFO] [stdout] test classify::tests::test_confusion_matrix_multiclass ... ok
[INFO] [stdout] test classify::tests::test_hamming_loss_equals_1_minus_accuracy ... ok
[INFO] [stdout] test classify::tests::test_jaccard_score_binary ... ok
[INFO] [stdout] test classify::tests::test_log_loss_perfect ... ok
[INFO] [stdout] test classify::tests::test_log_loss_uniform ... ok
[INFO] [stdout] test classify::tests::test_mcc_binary ... ok
[INFO] [stdout] test classify::tests::test_log_loss_worst ... ok
[INFO] [stdout] test classify::tests::test_mcc_perfect ... ok
[INFO] [stdout] test classify::tests::test_precision_recall_f1_micro ... ok
[INFO] [stdout] test classify::tests::test_precision_recall_f1_macro ... ok
[INFO] [stdout] test classify::tests::test_roc_auc_perfect ... ok
[INFO] [stdout] test classify::tests::test_precision_recall_f1_weighted ... ok
[INFO] [stdout] test classify::tests::test_roc_auc_random ... ok
[INFO] [stdout] test classify::tests::test_specificity_binary ... ok
[INFO] [stdout] test classify::tests::test_mcc_random ... ok
[INFO] [stdout] test classify::tests::test_classification_report ... ok
[INFO] [stdout] test classify::tests::test_cohen_kappa_chance ... ok
[INFO] [stdout] test regression::tests::test_r_squared_mean_predictor ... ok
[INFO] [stdout] test classify::tests::test_cohen_kappa_perfect ... ok
[INFO] [stdout] test regression::tests::test_rmse_known ... ok
[INFO] [stdout] test regression::tests::test_r_squared_perfect ... ok
[INFO] [stdout] test stats::tests::mean_and_variance_smoke ... ok
[INFO] [stdout] test stats::tests::test_bonferroni ... ok
[INFO] [stdout] test stats::tests::test_benjamini_hochberg ... ok
[INFO] [stdout] test stats::tests::test_cohens_d_large ... ok
[INFO] [stdout] test stats::tests::test_cohens_d_zero ... ok
[INFO] [stdout] test stats::tests::test_friedman_different ... ok
[INFO] [stdout] test regression::tests::test_mae_known ... ok
[INFO] [stdout] test regression::tests::test_mse_perfect ... ok
[INFO] [stdout] test stats::tests::test_mcnemar_different ... ok
[INFO] [stdout] test stats::tests::test_mcnemar_identical ... ok
[INFO] [stdout] test stats::tests::test_friedman_identical ... ok
[INFO] [stdout] test stats::tests::test_mean_diff ... ok
[INFO] [stdout] test stats::tests::test_mann_whitney_different ... ok
[INFO] [stdout] test stats::tests::test_rank_biserial ... ok
[INFO] [stdout] test stats::tests::test_mann_whitney_identical ... ok
[INFO] [stdout] test stats::tests::test_wilcoxon_identical ... ok
[INFO] [stdout] test stats::tests::test_wilcoxon_different ... ok
[INFO] [stdout] test classify::tests::test_confusion_matrix_binary ... ok
[INFO] [stdout] test stats::tests::variance_is_stable_under_large_offsets ... ok
[INFO] [stdout] test stats::tests::test_permutation_test_identical ... ok
[INFO] [stdout] test stats::tests::test_aso_dominance ... ok
[INFO] [stdout] test stats::tests::test_bootstrap_bca_known ... ok
[INFO] [stdout] test stats::tests::test_permutation_test_different ... ok
[INFO] [stderr]    Doc-tests statskit
[INFO] [stdout] test calibration::tests::test_brier_perfect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[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" "e71428ea2778b6578d6b080524d85d862c053e4be401dd57b0008208a0aded36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71428ea2778b6578d6b080524d85d862c053e4be401dd57b0008208a0aded36", kill_on_drop: false }`
[INFO] [stdout] e71428ea2778b6578d6b080524d85d862c053e4be401dd57b0008208a0aded36
