[INFO] fetching crate linfa-elasticnet 0.8.0... [INFO] testing linfa-elasticnet-0.8.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate linfa-elasticnet 0.8.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate linfa-elasticnet 0.8.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate linfa-elasticnet 0.8.0 [INFO] tweaked toml for crates.io crate linfa-elasticnet 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate linfa-elasticnet 0.8.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate linfa-elasticnet 0.8.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9507db51499645f3ee755388a6df98974276e633f2dd663d1fc64127d8dafc07 [INFO] running `Command { std: "docker" "start" "-a" "9507db51499645f3ee755388a6df98974276e633f2dd663d1fc64127d8dafc07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9507db51499645f3ee755388a6df98974276e633f2dd663d1fc64127d8dafc07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9507db51499645f3ee755388a6df98974276e633f2dd663d1fc64127d8dafc07", kill_on_drop: false }` [INFO] [stdout] 9507db51499645f3ee755388a6df98974276e633f2dd663d1fc64127d8dafc07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b080d07622d2ae0510202a3968c7eb0c3d3f5476beb744f9be25ce3796e07cfa [INFO] running `Command { std: "docker" "start" "-a" "b080d07622d2ae0510202a3968c7eb0c3d3f5476beb744f9be25ce3796e07cfa", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling linfa v0.8.0 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling ndarray v0.16.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling sprs v0.11.3 [INFO] [stderr] Compiling linfa-linalg v0.2.1 [INFO] [stderr] Compiling linfa-elasticnet v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.35s [INFO] running `Command { std: "docker" "inspect" "b080d07622d2ae0510202a3968c7eb0c3d3f5476beb744f9be25ce3796e07cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b080d07622d2ae0510202a3968c7eb0c3d3f5476beb744f9be25ce3796e07cfa", kill_on_drop: false }` [INFO] [stdout] b080d07622d2ae0510202a3968c7eb0c3d3f5476beb744f9be25ce3796e07cfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e536b41b0d3a1d95a9a8582f48d3c17eba0eff2ccb7ba08d8a1a26a4c861e6b6 [INFO] running `Command { std: "docker" "start" "-a" "e536b41b0d3a1d95a9a8582f48d3c17eba0eff2ccb7ba08d8a1a26a4c861e6b6", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rand_distr v0.4.3 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling ndarray-rand v0.15.0 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling ndarray-csv v0.5.3 [INFO] [stderr] Compiling linfa-datasets v0.8.0 [INFO] [stderr] Compiling linfa-elasticnet v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.97s [INFO] running `Command { std: "docker" "inspect" "e536b41b0d3a1d95a9a8582f48d3c17eba0eff2ccb7ba08d8a1a26a4c861e6b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e536b41b0d3a1d95a9a8582f48d3c17eba0eff2ccb7ba08d8a1a26a4c861e6b6", kill_on_drop: false }` [INFO] [stdout] e536b41b0d3a1d95a9a8582f48d3c17eba0eff2ccb7ba08d8a1a26a4c861e6b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 01d49aab199cd251a84bf9e3616b0d201bc4681140231b9f2332c68e77ab4950 [INFO] running `Command { std: "docker" "start" "-a" "01d49aab199cd251a84bf9e3616b0d201bc4681140231b9f2332c68e77ab4950", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linfa_elasticnet-b0496dbe61f30fc3) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test algorithm::tests::autotraits ... ok [INFO] [stdout] test algorithm::tests::coordinate_descent_lowers_objective ... ok [INFO] [stdout] test algorithm::tests::elastic_net_2d_toy_example_works ... ok [INFO] [stdout] test algorithm::tests::elastic_net_penalty_works ... ok [INFO] [stdout] test algorithm::tests::elastic_net_mtl_penalty_works ... ok [INFO] [stdout] test algorithm::tests::block_coordinate_descent_lowers_objective ... ok [INFO] [stdout] test algorithm::tests::elastic_net_diabetes_2_works_like_sklearn ... ok [INFO] [stdout] test algorithm::tests::elastic_net_toy_example_works ... ok [INFO] [stdout] test algorithm::tests::lasso_toy_example_works ... ok [INFO] [stdout] test algorithm::tests::multitask_elasticnet_toy_example_works ... ok [INFO] [stdout] test algorithm::tests::multitask_lasso_toy_example_works ... ok [INFO] [stdout] test algorithm::tests::squared_error_mtl_works ... ok [INFO] [stdout] test algorithm::tests::elastic_net_diabetes_1_works_like_sklearn ... ok [INFO] [stdout] test algorithm::tests::squared_error_works ... ok [INFO] [stdout] test algorithm::tests::lasso_zero_works ... ok [INFO] [stdout] test algorithm::tests::mtl_lasso_zero_works ... ok [INFO] [stdout] test algorithm::tests::select_subset ... ok [INFO] [stdout] test algorithm::tests::diabetes_z_score ... ok [INFO] [stderr] Doc-tests linfa_elasticnet [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/hyperparams.rs - hyperparams::ElasticNetParams (line 64) ... ignored [INFO] [stdout] test src/hyperparams.rs - hyperparams::MultiTaskElasticNetParams (line 126) ... ignored [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/hyperparams.rs - hyperparams::ElasticNetParams (line 98) ... ok [INFO] [stdout] test src/hyperparams.rs - hyperparams::MultiTaskElasticNetParams (line 137) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.11s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "01d49aab199cd251a84bf9e3616b0d201bc4681140231b9f2332c68e77ab4950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01d49aab199cd251a84bf9e3616b0d201bc4681140231b9f2332c68e77ab4950", kill_on_drop: false }` [INFO] [stdout] 01d49aab199cd251a84bf9e3616b0d201bc4681140231b9f2332c68e77ab4950