[INFO] fetching crate solow-cv 0.7.4...
[INFO] testing solow-cv-0.7.4 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate solow-cv 0.7.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate solow-cv 0.7.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate solow-cv 0.7.4
[INFO] tweaked toml for crates.io crate solow-cv 0.7.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solow-cv 0.7.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate solow-cv 0.7.4 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded solow-core v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642
[INFO] running `Command { std: "docker" "start" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling solow-core v0.7.4
[INFO] [stderr]    Compiling solow-cv v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling solow-cv v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", 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/solow_cv-41ac9cb0796fd7cb)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test block_bootstrap::tests::stationary_bootstrap_returns_valid_indices ... ok
[INFO] [stdout] test extras::tests::repeated_k_fold_produces_the_right_number_of_folds ... ok
[INFO] [stdout] test extras::tests::leave_p_out_produces_c_n_p_folds ... ok
[INFO] [stdout] test block_bootstrap::tests::circular_block_bootstrap_returns_valid_indices ... ok
[INFO] [stdout] test shuffle::tests::stratified_shuffle_split_preserves_class_ratios_approximately ... ok
[INFO] [stdout] test block_bootstrap::tests::moving_block_bootstrap_returns_valid_indices ... ok
[INFO] [stdout] test shuffle::tests::group_shuffle_split_never_leaks_groups_across_train_and_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/reference.rs (/opt/rustwide/target/debug/deps/reference-b6a5dbe9db28cc2e)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test cpcv_rejects_bad_inputs ... ok
[INFO] [stdout] test cross_val_score_propagates_error ... ok
[INFO] [stdout] test group_kfold_keeps_every_group_intact ... ok
[INFO] [stdout] test kfold_rejects_n_less_than_k ... ok
[INFO] [stdout] test stratified_kfold_preserves_class_proportions ... ok
[INFO] [stdout] test kfold_shuffle_is_reproducible ... ok
[INFO] [stdout] test stratified_group_kfold_keeps_prevalence_close ... ok
[INFO] [stdout] test shuffle_split_is_seeded_reproducible ... ok
[INFO] [stdout] test group_kfold_rejects_too_many_splits ... ok
[INFO] [stdout] test cross_val_score_averages_fold_scores ... ok
[INFO] [stdout] test bootstrap_rejects_bad_inputs ... ok
[INFO] [stdout] test cpcv_emits_expected_number_of_folds ... ok
[INFO] [stdout] test kfold_partitions_and_sizes ... ok
[INFO] [stdout] test timeseries_split_walks_forward ... ok
[INFO] [stdout] test leave_one_out_produces_n_folds_each_of_size_one ... ok
[INFO] [stdout] test stratified_kfold_rejects_undersized_class ... ok
[INFO] [stdout] test purged_kfold_drops_purge_and_embargo_from_train ... ok
[INFO] [stdout] test timeseries_split_respects_gap_and_max_train_size ... ok
[INFO] [stdout] test bootstrap_all_methods_are_ordered ... ok
[INFO] [stdout] test bootstrap_percentile_ci_covers_the_true_mean ... ok
[INFO] [stderr]    Doc-tests solow_cv
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642", kill_on_drop: false }`
[INFO] [stdout] 5fa8cc3e8fb8364b3a85761f31d7e290e4e5cbc1f5381cab62e7895c31d99642
