[INFO] fetching crate pyrus-nn 0.2.0...
[INFO] extracting crate pyrus-nn 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/pyrus-nn/0.2.0
[INFO] extracting crate pyrus-nn 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/pyrus-nn/0.2.0
[INFO] validating manifest of pyrus-nn-0.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pyrus-nn-0.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pyrus-nn-0.2.0
[INFO] finished frobbing pyrus-nn-0.2.0
[INFO] frobbed toml for pyrus-nn-0.2.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/pyrus-nn/0.2.0/Cargo.toml
[INFO] started frobbing pyrus-nn-0.2.0
[INFO] finished frobbing pyrus-nn-0.2.0
[INFO] frobbed toml for pyrus-nn-0.2.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/pyrus-nn/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing pyrus-nn-0.2.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/pyrus-nn/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 602eb660f686c3b904befb54e2571a15697472edf7d2d5e25849919b1fa4d657
[INFO] running `"docker" "start" "-a" "602eb660f686c3b904befb54e2571a15697472edf7d2d5e25849919b1fa4d657"`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling pyo3-derive-backend v0.5.4
[INFO] [stderr]    Compiling pyo3 v0.5.4
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling pyo3cls v0.5.4
[INFO] [stderr]    Compiling ndarray-parallel v0.9.0
[INFO] [stderr]    Compiling ndarray-rand v0.9.0
[INFO] [stderr]    Compiling pyrus-nn v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.44s
[INFO] running `"docker" "inspect" "602eb660f686c3b904befb54e2571a15697472edf7d2d5e25849919b1fa4d657"`
[INFO] running `"docker" "rm" "-f" "602eb660f686c3b904befb54e2571a15697472edf7d2d5e25849919b1fa4d657"`
[INFO] [stdout] 602eb660f686c3b904befb54e2571a15697472edf7d2d5e25849919b1fa4d657
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/pyrus-nn/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c163442e8311b1f36a2bcdc451724fd4e24eb71f48d9925bec4945950341dd5
[INFO] running `"docker" "start" "-a" "4c163442e8311b1f36a2bcdc451724fd4e24eb71f48d9925bec4945950341dd5"`
[INFO] [stderr]    Compiling pyrus-nn v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `assert_eq`, `assert_ne`
[INFO] [stderr]  --> tests/test_networks.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pyrus_nn::costs`
[INFO] [stderr]  --> tests/test_networks.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pyrus_nn::costs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `float_cmp::ApproxEq`
[INFO] [stderr]  --> tests/test_activations.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use float_cmp::ApproxEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_ne`
[INFO] [stderr]  --> tests/test_activations.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_sequential_network_regression`
[INFO] [stderr]   --> tests/test_networks.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn test_sequential_network_regression() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> tests/test_networks.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let X = arr2(&[
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `float_cmp::ApproxEq`
[INFO] [stderr]  --> tests/test_costs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use float_cmp::ApproxEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_ne`
[INFO] [stderr]  --> tests/test_costs.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dense`
[INFO] [stderr]  --> tests/test_layers.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let dense = layers::Dense::default();
[INFO] [stderr]   |         ^^^^^ help: consider prefixing with an underscore: `_dense`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.63s
[INFO] running `"docker" "inspect" "4c163442e8311b1f36a2bcdc451724fd4e24eb71f48d9925bec4945950341dd5"`
[INFO] running `"docker" "rm" "-f" "4c163442e8311b1f36a2bcdc451724fd4e24eb71f48d9925bec4945950341dd5"`
[INFO] [stdout] 4c163442e8311b1f36a2bcdc451724fd4e24eb71f48d9925bec4945950341dd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/pyrus-nn/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] db41c794bd557e39d109dc6ea77645323839cabb2de81b180ffb6c9adabe831f
[INFO] running `"docker" "start" "-a" "db41c794bd557e39d109dc6ea77645323839cabb2de81b180ffb6c9adabe831f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pyrus_nn-5f4fd21a57ddd218
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_activations-75206913793d4fba
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_softmax ... ok
[INFO] [stdout] test test_tanh ... ok
[INFO] [stdout] test test_sigmoid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_costs-20576c95d47e10eb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_mse ... ok
[INFO] [stdout] test test_mae ... ok
[INFO] [stdout] test test_cross_entropy ... ok
[INFO] [stdout] test test_accuracy_score ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_layers-bff272e9a0599ef0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_dense ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_networks-a6ffbb8c29af09d1
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_sequential_network_classification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pyrus_nn
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "db41c794bd557e39d109dc6ea77645323839cabb2de81b180ffb6c9adabe831f"`
[INFO] running `"docker" "rm" "-f" "db41c794bd557e39d109dc6ea77645323839cabb2de81b180ffb6c9adabe831f"`
[INFO] [stdout] db41c794bd557e39d109dc6ea77645323839cabb2de81b180ffb6c9adabe831f