[INFO] fetching crate picard-ica 0.1.6...
[INFO] testing picard-ica-0.1.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate picard-ica 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate picard-ica 0.1.6
[INFO] finished tweaking crates.io crate picard-ica 0.1.6
[INFO] tweaked toml for crates.io crate picard-ica 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate picard-ica 0.1.6 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 picard-ica 0.1.6 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 }`
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[INFO] [stderr]    Compiling picard-ica v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.04s
[INFO] running `Command { std: "docker" "inspect" "894ad5c40d5a58a2843e103b8afa40397d74a829c04e3a6e33cc94c631d91a03", kill_on_drop: false }`
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[INFO] [stdout] 894ad5c40d5a58a2843e103b8afa40397d74a829c04e3a6e33cc94c631d91a03
[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] d2622355280fd9d50d5f930fb1a93a9f8bc0ddf30835f43775bce3608c0a86cd
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[INFO] [stderr]    Compiling ndarray-linalg v0.18.0
[INFO] [stderr]    Compiling picard-ica v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::Array`
[INFO] [stdout]    --> src/solver.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use ndarray::Array;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_distr::Uniform`
[INFO] [stdout]    --> src/solver.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     use rand_distr::Uniform;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/jade.rs:220:30
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let u: f64 = rng.gen_range(0.001..0.999);
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024.
[INFO] [stdout]    --> src/jade.rs:221:46
[INFO] [stdout]     |
[INFO] [stdout] 221 |             s[[0, j]] = -u.ln().copysign(rng.gen::<f64>() - 0.5);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/jade.rs:223:29
[INFO] [stdout]     |
[INFO] [stdout] 223 |             s[[1, j]] = rng.gen_range(-1.73..1.73);
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/solver.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 let u: f64 = rng.gen_range(0.0..1.0);
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024.
[INFO] [stdout]    --> src/solver.rs:269:35
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 let sign = if rng.gen::<bool>() { 1.0 } else { -1.0 };
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result_plain`
[INFO] [stdout]    --> src/solver.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let result_plain = Picard::fit_with_config(&x, &config_plain).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_plain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_lik`
[INFO] [stdout]    --> src/utils.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let log_lik = density.log_lik(&y_arr)[0];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_lik`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.10s
[INFO] running `Command { std: "docker" "inspect" "d2622355280fd9d50d5f930fb1a93a9f8bc0ddf30835f43775bce3608c0a86cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2622355280fd9d50d5f930fb1a93a9f8bc0ddf30835f43775bce3608c0a86cd", kill_on_drop: false }`
[INFO] [stdout] d2622355280fd9d50d5f930fb1a93a9f8bc0ddf30835f43775bce3608c0a86cd
[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] d407f4f9089b05717ad94a2bb05da6f797b6ef62a311b29906e087da6bbd5acc
[INFO] running `Command { std: "docker" "start" "-a" "d407f4f9089b05717ad94a2bb05da6f797b6ef62a311b29906e087da6bbd5acc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ndarray::Array`
[INFO] [stderr]    --> src/solver.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     use ndarray::Array;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_distr::Uniform`
[INFO] [stderr]    --> src/solver.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |     use rand_distr::Uniform;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/jade.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |             let u: f64 = rng.gen_range(0.001..0.999);
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024.
[INFO] [stderr]    --> src/jade.rs:221:46
[INFO] [stderr]     |
[INFO] [stderr] 221 |             s[[0, j]] = -u.ln().copysign(rng.gen::<f64>() - 0.5);
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/jade.rs:223:29
[INFO] [stderr]     |
[INFO] [stderr] 223 |             s[[1, j]] = rng.gen_range(-1.73..1.73);
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/solver.rs:268:34
[INFO] [stderr]     |
[INFO] [stderr] 268 |                 let u: f64 = rng.gen_range(0.0..1.0);
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen`: Renamed to `random` to avoid conflict with the new `gen` keyword in Rust 2024.
[INFO] [stderr]    --> src/solver.rs:269:35
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let sign = if rng.gen::<bool>() { 1.0 } else { -1.0 };
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result_plain`
[INFO] [stderr]    --> src/solver.rs:341:13
[INFO] [stderr]     |
[INFO] [stderr] 341 |         let result_plain = Picard::fit_with_config(&x, &config_plain).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_plain`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_lik`
[INFO] [stderr]    --> src/utils.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let log_lik = density.log_lik(&y_arr)[0];
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_lik`
[INFO] [stderr] 
[INFO] [stderr] warning: `picard-ica` (lib test) generated 9 warnings (run `cargo fix --lib -p picard-ica --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/picard-9fcf29b08965e9c2)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test math::tests::test_matrix_exp_identity ... ok
[INFO] [stdout] test lbfgs::tests::test_memory_overflow ... ok
[INFO] [stdout] test math::tests::test_skew_symmetric ... ok
[INFO] [stdout] test lbfgs::tests::test_lbfgs_memory ... ok
[INFO] [stdout] test math::tests::test_sln_det_large_values ... ok
[INFO] [stdout] test math::tests::test_sln_det ... ok
[INFO] [stdout] test solver::tests::test_cannot_use_both_warmstarts ... ok
[INFO] [stdout] test utils::tests::test_amari_distance_permutation ... ok
[INFO] [stdout] test whitening::tests::test_center ... ok
[INFO] [stdout] test math::tests::test_sym_decorrelation ... ok
[INFO] [stdout] test utils::tests::test_density_cube ... ok
[INFO] [stdout] test utils::tests::test_density_exp ... ok
[INFO] [stdout] test utils::tests::test_density_tanh ... ok
[INFO] [stdout] test utils::tests::test_amari_distance_perfect ... ok
[INFO] [stdout] test utils::tests::test_permute ... ok
[INFO] [stdout] test whitening::tests::test_whiten ... ok
[INFO] [stdout] test solver::tests::test_fit_default ... ok
[INFO] [stdout] test solver::tests::test_fit_with_config ... ok
[INFO] [stdout] test solver::tests::test_transform ... ok
[INFO] [stdout] test jade::tests::test_jade_basic ... ok
[INFO] [stdout] test solver::tests::test_fit_with_jade_warmstart ... ok
[INFO] [stdout] test solver::tests::test_no_whiten ... ok
[INFO] [stdout] test solver::tests::test_n_components ... ok
[INFO] [stdout] test solver::tests::test_jade_vs_no_warmstart ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests picard
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d407f4f9089b05717ad94a2bb05da6f797b6ef62a311b29906e087da6bbd5acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d407f4f9089b05717ad94a2bb05da6f797b6ef62a311b29906e087da6bbd5acc", kill_on_drop: false }`
[INFO] [stdout] d407f4f9089b05717ad94a2bb05da6f797b6ef62a311b29906e087da6bbd5acc
