[INFO] fetching crate variational-regression 0.1.0...
[INFO] testing variational-regression-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate variational-regression 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate variational-regression 0.1.0
[INFO] finished tweaking crates.io crate variational-regression 0.1.0
[INFO] tweaked toml for crates.io crate variational-regression 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variational-regression 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.29.0 (available: v0.34.1)
[INFO] [stderr]       Adding special v0.8.1 (available: v0.11.4)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9f7b3ff600d48cb52072e5fa1e333cfdd566f3c03693bcf7c33929d99c593fc4
[INFO] running `Command { std: "docker" "start" "-a" "9f7b3ff600d48cb52072e5fa1e333cfdd566f3c03693bcf7c33929d99c593fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7b3ff600d48cb52072e5fa1e333cfdd566f3c03693bcf7c33929d99c593fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7b3ff600d48cb52072e5fa1e333cfdd566f3c03693bcf7c33929d99c593fc4", kill_on_drop: false }`
[INFO] [stdout] 9f7b3ff600d48cb52072e5fa1e333cfdd566f3c03693bcf7c33929d99c593fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ee793d6f095e9a1a15681aa3a9dd1e5f2134339714fe4cafcc36d55ed0c9da98
[INFO] running `Command { std: "docker" "start" "-a" "ee793d6f095e9a1a15681aa3a9dd1e5f2134339714fe4cafcc36d55ed0c9da98", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling variational-regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.80s
[INFO] running `Command { std: "docker" "inspect" "ee793d6f095e9a1a15681aa3a9dd1e5f2134339714fe4cafcc36d55ed0c9da98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee793d6f095e9a1a15681aa3a9dd1e5f2134339714fe4cafcc36d55ed0c9da98", kill_on_drop: false }`
[INFO] [stdout] ee793d6f095e9a1a15681aa3a9dd1e5f2134339714fe4cafcc36d55ed0c9da98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6540d14c7efff818cd348ac05bff3c58c894675a7f4c0ef253abe9c160581560
[INFO] running `Command { std: "docker" "start" "-a" "6540d14c7efff818cd348ac05bff3c58c894675a7f4c0ef253abe9c160581560", kill_on_drop: false }`
[INFO] [stderr]    Compiling variational-regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "6540d14c7efff818cd348ac05bff3c58c894675a7f4c0ef253abe9c160581560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6540d14c7efff818cd348ac05bff3c58c894675a7f4c0ef253abe9c160581560", kill_on_drop: false }`
[INFO] [stdout] 6540d14c7efff818cd348ac05bff3c58c894675a7f4c0ef253abe9c160581560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 84ab393fa5a2ff00e7b7b2579967bdad211502ed163e968ae8b286105cc197a3
[INFO] running `Command { std: "docker" "start" "-a" "84ab393fa5a2ff00e7b7b2579967bdad211502ed163e968ae8b286105cc197a3", 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/variational_regression-5e8401211e0cd52c)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test distribution::tests::test_gaussian ... ok
[INFO] [stdout] test distribution::tests::test_gamma ... ok
[INFO] [stdout] test distribution::tests::test_bernoulli ... ok
[INFO] [stdout] test linear::tests::test_predict_no_bias_with_standardize ... ok
[INFO] [stdout] test linear::tests::test_predict_no_bias_no_standardize ... ok
[INFO] [stdout] test linear::tests::test_predict_with_bias_with_standardize ... ok
[INFO] [stdout] test linear::tests::test_train_no_bias_no_standardize ... ok
[INFO] [stdout] test linear::tests::test_predict_with_bias_no_standardize ... ok
[INFO] [stdout] test linear::tests::test_train_no_bias_with_standardize ... ok
[INFO] [stdout] test linear::tests::test_train_with_bias_no_standardize ... ok
[INFO] [stdout] test logistic::tests::test_predict_no_bias_with_standardize ... ok
[INFO] [stdout] test logistic::tests::test_predict_no_bias_no_standardize ... ok
[INFO] [stdout] test logistic::tests::test_predict_with_bias_no_standardize ... ok
[INFO] [stdout] test linear::tests::test_train_with_bias_with_standardize ... ok
[INFO] [stdout] test logistic::tests::test_train_no_bias_with_standardize ... ok
[INFO] [stdout] test logistic::tests::test_train_with_bias_with_standardize ... ok
[INFO] [stdout] test logistic::tests::test_predict_with_bias_with_standardize ... ok
[INFO] [stdout] test logistic::tests::test_train_no_bias_no_standardize ... ok
[INFO] [stdout] test logistic::tests::test_train_with_bias_no_standardize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests variational_regression
[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" "84ab393fa5a2ff00e7b7b2579967bdad211502ed163e968ae8b286105cc197a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ab393fa5a2ff00e7b7b2579967bdad211502ed163e968ae8b286105cc197a3", kill_on_drop: false }`
[INFO] [stdout] 84ab393fa5a2ff00e7b7b2579967bdad211502ed163e968ae8b286105cc197a3