[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
