[INFO] updating cached repository flevesqu42/42_multilayer_perceptron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flevesqu42/42_multilayer_perceptron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flevesqu42/42_multilayer_perceptron" "work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flevesqu42/42_multilayer_perceptron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flevesqu42/42_multilayer_perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flevesqu42/42_multilayer_perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3174d89e39d3bc0bca78f72eb539bdf402e9bda1
[INFO] sha for GitHub repo flevesqu42/42_multilayer_perceptron: 3174d89e39d3bc0bca78f72eb539bdf402e9bda1
[INFO] validating manifest of flevesqu42/42_multilayer_perceptron on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flevesqu42/42_multilayer_perceptron on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flevesqu42/42_multilayer_perceptron
[INFO] finished frobbing flevesqu42/42_multilayer_perceptron
[INFO] frobbed toml for flevesqu42/42_multilayer_perceptron written to work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron/Cargo.toml
[INFO] started frobbing flevesqu42/42_multilayer_perceptron
[INFO] finished frobbing flevesqu42/42_multilayer_perceptron
[INFO] frobbed toml for flevesqu42/42_multilayer_perceptron written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flevesqu42/42_multilayer_perceptron/Cargo.toml
[INFO] crate flevesqu42/42_multilayer_perceptron already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing flevesqu42/42_multilayer_perceptron against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b3c0dfe64e7acb6920662883ae0d9f93c95289dae638b36acc48e836648fd018
[INFO] running `"docker" "start" "-a" "b3c0dfe64e7acb6920662883ae0d9f93c95289dae638b36acc48e836648fd018"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling multilayer_perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/perceptron/gradient_descent.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]   --> src/perceptron/training.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |         rng.shuffle(& mut training_dataset);
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]   --> src/perceptron/gradient_descent.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |         rng.shuffle(training_dataset);
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `features_count`
[INFO] [stderr]   --> src/dataset/mod.rs:52:2
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn features_count(& self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output_size`
[INFO] [stderr]   --> src/dataset/mod.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn output_size(& self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `VERBOSE`
[INFO] [stderr]  --> src/perceptron/configuration.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub static VERBOSE : bool = true;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `"docker" "inspect" "b3c0dfe64e7acb6920662883ae0d9f93c95289dae638b36acc48e836648fd018"`
[INFO] running `"docker" "rm" "-f" "b3c0dfe64e7acb6920662883ae0d9f93c95289dae638b36acc48e836648fd018"`
[INFO] [stdout] b3c0dfe64e7acb6920662883ae0d9f93c95289dae638b36acc48e836648fd018
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6b1d0d3c7a276dc6042557e07967607232a78aeedf0fc0863fe217156216bf17
[INFO] running `"docker" "start" "-a" "6b1d0d3c7a276dc6042557e07967607232a78aeedf0fc0863fe217156216bf17"`
[INFO] [stderr]    Compiling multilayer_perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/perceptron/gradient_descent.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]   --> src/perceptron/training.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |         rng.shuffle(& mut training_dataset);
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]   --> src/perceptron/gradient_descent.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |         rng.shuffle(training_dataset);
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matrix`
[INFO] [stderr]  --> src/maths/matrix/tests.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let matrix = Matrix::new(vec![vec![]]);
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_matrix`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matrix`
[INFO] [stderr]   --> src/maths/matrix/tests.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let matrix = Matrix::new(vec![]);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_matrix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vector`
[INFO] [stderr]   --> src/maths/matrix/tests.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let vector = Vector::new(vec![]);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_vector`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `features_count`
[INFO] [stderr]   --> src/dataset/mod.rs:52:2
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn features_count(& self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output_size`
[INFO] [stderr]   --> src/dataset/mod.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn output_size(& self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `VERBOSE`
[INFO] [stderr]  --> src/perceptron/configuration.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub static VERBOSE : bool = true;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `"docker" "inspect" "6b1d0d3c7a276dc6042557e07967607232a78aeedf0fc0863fe217156216bf17"`
[INFO] running `"docker" "rm" "-f" "6b1d0d3c7a276dc6042557e07967607232a78aeedf0fc0863fe217156216bf17"`
[INFO] [stdout] 6b1d0d3c7a276dc6042557e07967607232a78aeedf0fc0863fe217156216bf17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flevesqu42/42_multilayer_perceptron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4acc92284ae017bba8e402a609a9716afa24bcd41c7853e6037abed425f6f3d3
[INFO] running `"docker" "start" "-a" "4acc92284ae017bba8e402a609a9716afa24bcd41c7853e6037abed425f6f3d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multilayer_perceptron-b58a87aafdcd80a0
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test maths::matrix::tests::dot ... ok
[INFO] [stdout] test maths::matrix::tests::add_matrix_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_inplace_matrix_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::add_vector_vector ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_inplace_matrix_vector ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_matrix_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_matrix_vector ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_inplace_vector_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_inplace_vector_vector ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_vector_vector ... ok
[INFO] [stdout] test maths::matrix::tests::matrix_transpose_2r ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_vector_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::matrix_transpose_1r ... ok
[INFO] [stdout] test maths::matrix::tests::matrix_transpose_4r ... ok
[INFO] [stdout] test maths::matrix::tests::mul_matrix_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::matrix_transpose_3r ... ok
[INFO] [stdout] test maths::matrix::tests::mul_vector_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::mul_matrix_vector ... ok
[INFO] [stdout] test maths::matrix::tests::new_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::new_vector ... ok
[INFO] [stdout] test maths::matrix::tests::scalar_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::scalar_vector ... ok
[INFO] [stdout] test maths::matrix::tests::sub_matrix_matrix ... ok
[INFO] [stdout] test maths::matrix::tests::vector_transpose ... ok
[INFO] [stdout] test maths::matrix::tests::sub_vector_vector ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_inplace_fail ... ok
[INFO] [stdout] test maths::matrix::tests::hadamard_fail ... ok
[INFO] [stdout] test maths::matrix::tests::dot_fail ... ok
[INFO] [stdout] test maths::matrix::tests::new_matrix_empty_col ... ok
[INFO] [stdout] test maths::matrix::tests::new_matrix_empty_row ... ok
[INFO] [stdout] test maths::matrix::tests::new_vector_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4acc92284ae017bba8e402a609a9716afa24bcd41c7853e6037abed425f6f3d3"`
[INFO] running `"docker" "rm" "-f" "4acc92284ae017bba8e402a609a9716afa24bcd41c7853e6037abed425f6f3d3"`
[INFO] [stdout] 4acc92284ae017bba8e402a609a9716afa24bcd41c7853e6037abed425f6f3d3