[INFO] updating cached repository bobisme/rustrnn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bobisme/rustrnn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bobisme/rustrnn" "work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bobisme/rustrnn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bobisme/rustrnn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bobisme/rustrnn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25573dfa1c0223e4f9a2aa843b63132b139e904a
[INFO] sha for GitHub repo bobisme/rustrnn: 25573dfa1c0223e4f9a2aa843b63132b139e904a
[INFO] validating manifest of bobisme/rustrnn 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 bobisme/rustrnn 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 bobisme/rustrnn
[INFO] finished frobbing bobisme/rustrnn
[INFO] frobbed toml for bobisme/rustrnn written to work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn/Cargo.toml
[INFO] started frobbing bobisme/rustrnn
[INFO] finished frobbing bobisme/rustrnn
[INFO] frobbed toml for bobisme/rustrnn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bobisme/rustrnn/Cargo.toml
[INFO] crate bobisme/rustrnn 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 bobisme/rustrnn 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn:/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] 4f66a6c0d0d1783d6e91000df473faf9b66e72b1fd20b4e23a7f1f761982447f
[INFO] running `"docker" "start" "-a" "4f66a6c0d0d1783d6e91000df473faf9b66e72b1fd20b4e23a7f1f761982447f"`
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Layer`
[INFO] [stderr]  --> src/layer.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Layer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/layer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/layer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `input_size`
[INFO] [stderr]   --> src/layer.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn input_size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "4f66a6c0d0d1783d6e91000df473faf9b66e72b1fd20b4e23a7f1f761982447f"`
[INFO] running `"docker" "rm" "-f" "4f66a6c0d0d1783d6e91000df473faf9b66e72b1fd20b4e23a7f1f761982447f"`
[INFO] [stdout] 4f66a6c0d0d1783d6e91000df473faf9b66e72b1fd20b4e23a7f1f761982447f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn:/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] ad1142ca689e847f47920a2ae02d3f9d6eb110817ba41debd2a14ea478298a33
[INFO] running `"docker" "start" "-a" "ad1142ca689e847f47920a2ae02d3f9d6eb110817ba41debd2a14ea478298a33"`
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 440 |             m1 + &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |             m1 - &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "ad1142ca689e847f47920a2ae02d3f9d6eb110817ba41debd2a14ea478298a33"`
[INFO] running `"docker" "rm" "-f" "ad1142ca689e847f47920a2ae02d3f9d6eb110817ba41debd2a14ea478298a33"`
[INFO] [stdout] ad1142ca689e847f47920a2ae02d3f9d6eb110817ba41debd2a14ea478298a33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bobisme/rustrnn:/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] bd02f1243a986a8a587fb1ce7db20679891115f033f90e4babd211e784fb351d
[INFO] running `"docker" "start" "-a" "bd02f1243a986a8a587fb1ce7db20679891115f033f90e4babd211e784fb351d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustrnn-cf028c9d61762cb7
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test matrix::describe_matrix::adding_two_matrices::it_can_add_two_matrices ... ok
[INFO] [stdout] test layer::tests::describe_new::it_creates_a_new_layer ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_transposed ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_multiply_by_a_scalar ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_test_for_equivalence ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_sigmoided ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_indexed ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_struct_and_ref ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_struct_and_struct ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_ref_and_ref ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_ref_and_struct ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_calculate_dot_product_with_dot ... ok
[INFO] [stdout] test matrix::describe_matrix::elementwise_multiplying_two_matrices::it_can_multiply_two_matrices ... ok
[INFO] [stdout] test utils_tests::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test utils_tests::tests::describe_sigmoid::it_should_work ... ok
[INFO] [stdout] test matrix::describe_matrix::subtracting_two_matrices::it_can_subtract_two_matrices ... ok
[INFO] [stdout] test matrix::describe_matrix::adding_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] test matrix::describe_matrix::elementwise_multiplying_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_panics_if_the_matrices_arent_the_right_size ... ok
[INFO] [stdout] test matrix::describe_matrix::subtracting_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bd02f1243a986a8a587fb1ce7db20679891115f033f90e4babd211e784fb351d"`
[INFO] running `"docker" "rm" "-f" "bd02f1243a986a8a587fb1ce7db20679891115f033f90e4babd211e784fb351d"`
[INFO] [stdout] bd02f1243a986a8a587fb1ce7db20679891115f033f90e4babd211e784fb351d