[INFO] fetching crate fleximl-models 0.1.2...
[INFO] testing fleximl-models-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate fleximl-models 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fleximl-models 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fleximl-models 0.1.2
[INFO] tweaked toml for crates.io crate fleximl-models 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fleximl-models 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4079d137450f47bc237b7f7a0410634dfadaf43b4ab6a04245c861a1949e86e
[INFO] running `Command { std: "docker" "start" "-a" "e4079d137450f47bc237b7f7a0410634dfadaf43b4ab6a04245c861a1949e86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4079d137450f47bc237b7f7a0410634dfadaf43b4ab6a04245c861a1949e86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4079d137450f47bc237b7f7a0410634dfadaf43b4ab6a04245c861a1949e86e", kill_on_drop: false }`
[INFO] [stdout] e4079d137450f47bc237b7f7a0410634dfadaf43b4ab6a04245c861a1949e86e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa19b42819626939606d4acfa8166ab1b612a918364163684dc740873ce6baca
[INFO] running `Command { std: "docker" "start" "-a" "aa19b42819626939606d4acfa8166ab1b612a918364163684dc740873ce6baca", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling fleximl-models v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "aa19b42819626939606d4acfa8166ab1b612a918364163684dc740873ce6baca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa19b42819626939606d4acfa8166ab1b612a918364163684dc740873ce6baca", kill_on_drop: false }`
[INFO] [stdout] aa19b42819626939606d4acfa8166ab1b612a918364163684dc740873ce6baca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6179354c92b2684a48adc0e8ed8a48d5cb407ee422d99f7a31c5744ea8bf4a3c
[INFO] running `Command { std: "docker" "start" "-a" "6179354c92b2684a48adc0e8ed8a48d5cb407ee422d99f7a31c5744ea8bf4a3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling fleximl-models v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "6179354c92b2684a48adc0e8ed8a48d5cb407ee422d99f7a31c5744ea8bf4a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6179354c92b2684a48adc0e8ed8a48d5cb407ee422d99f7a31c5744ea8bf4a3c", kill_on_drop: false }`
[INFO] [stdout] 6179354c92b2684a48adc0e8ed8a48d5cb407ee422d99f7a31c5744ea8bf4a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0bad6df282072bb70f4c37237cdb71d3ae5ae0cc3d9d38a40b888df8e7a192a
[INFO] running `Command { std: "docker" "start" "-a" "f0bad6df282072bb70f4c37237cdb71d3ae5ae0cc3d9d38a40b888df8e7a192a", 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/fleximl_models-db818572d57dbf0f)
[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] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-710b8e71249ea8df)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test ml::linear_model::test_linear_model_creation ... ok
[INFO] [stdout] test ml::linear_model::test_binary_classification_prediction ... ok
[INFO] [stdout] test ml::linear_model::test_regression_prediction ... ok
[INFO] [stdout] test ml::mlp::test_mlp_prediction_binary_classification ... ok
[INFO] [stdout] test ml::mlp::test_mlp_creation ... ok
[INFO] [stdout] test ml::mlp::test_mlp_prediction_regression ... ok
[INFO] [stdout] test ml::rbf_kmeans::test_different_seeds ... ok
[INFO] [stdout] test ml::rbf_kmeans::test_initialization ... ok
[INFO] [stdout] test ml::linear_model::test_regression_fit ... ok
[INFO] [stdout] test ml::linear_model::test_binary_classification_fit ... ok
[INFO] [stdout] test ml::rbf_kmeans::test_fit_predict ... ok
[INFO] [stdout] test ml::linear_model::test_multi_class_classification ... ok
[INFO] [stdout] test ml::rbf_kmeans::test_transform ... ok
[INFO] [stdout] test ml::rbf_kmeans::test_reproducibility ... ok
[INFO] [stdout] test ml::mlp::test_mlp_multi_class_classification ... ok
[INFO] [stdout] test ml::mlp::test_mlp_fit_binary_classification ... ok
[INFO] [stderr]    Doc-tests fleximl_models
[INFO] [stdout] test ml::mlp::test_mlp_fit_regression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.11s
[INFO] [stdout] 
[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" "f0bad6df282072bb70f4c37237cdb71d3ae5ae0cc3d9d38a40b888df8e7a192a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bad6df282072bb70f4c37237cdb71d3ae5ae0cc3d9d38a40b888df8e7a192a", kill_on_drop: false }`
[INFO] [stdout] f0bad6df282072bb70f4c37237cdb71d3ae5ae0cc3d9d38a40b888df8e7a192a