Dec 05 13:26:59.561 INFO testing mvlabat/rust_mnist_gradient_descent against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 13:26:59.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:27:00.264 INFO [stdout] c3914fd09bdcc02c9ffd9d682f47e619593357c4e530a8590db028fdd20999f4
Dec 05 13:27:00.272 INFO running `"docker" "start" "-a" "c3914fd09bdcc02c9ffd9d682f47e619593357c4e530a8590db028fdd20999f4"`
Dec 05 13:27:01.578 INFO [stderr] usermod: no changes
Dec 05 13:27:01.700 INFO [stderr]    Compiling mnist v0.4.0
Dec 05 13:27:01.700 INFO [stderr]    Compiling alga v0.5.2
Dec 05 13:27:06.065 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 05 13:27:35.056 INFO [stderr]    Compiling rust_mnist_gradient_descent v0.1.0 (/source)
Dec 05 13:27:35.832 INFO [stderr] warning: function is never used: `hypothesis`
Dec 05 13:27:35.832 INFO [stderr]   --> src/main.rs:27:1
Dec 05 13:27:35.832 INFO [stderr]    |
Dec 05 13:27:35.833 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 05 13:27:35.833 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:27:35.833 INFO [stderr]    |
Dec 05 13:27:35.833 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 13:27:35.833 INFO [stderr] 
Dec 05 13:27:35.833 INFO [stderr] warning: function is never used: `print_i`
Dec 05 13:27:35.833 INFO [stderr]   --> src/main.rs:35:1
Dec 05 13:27:35.833 INFO [stderr]    |
Dec 05 13:27:35.833 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 05 13:27:35.833 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:27:35.833 INFO [stderr] 
Dec 05 13:27:37.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.98s
Dec 05 13:27:37.594 INFO [stderr] su: No module specific data is present
Dec 05 13:27:38.324 INFO running `"docker" "inspect" "c3914fd09bdcc02c9ffd9d682f47e619593357c4e530a8590db028fdd20999f4"`
Dec 05 13:27:38.560 INFO running `"docker" "rm" "-f" "c3914fd09bdcc02c9ffd9d682f47e619593357c4e530a8590db028fdd20999f4"`
Dec 05 13:27:38.709 INFO [stdout] c3914fd09bdcc02c9ffd9d682f47e619593357c4e530a8590db028fdd20999f4
Dec 05 13:27:38.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:27:39.000 INFO [stdout] 14edbdbce81f4e1ca59a27546b088fcbf24d92ba02d2671f2494043ca5a23055
Dec 05 13:27:39.006 INFO running `"docker" "start" "-a" "14edbdbce81f4e1ca59a27546b088fcbf24d92ba02d2671f2494043ca5a23055"`
Dec 05 13:27:39.911 INFO [stderr] usermod: no changes
Dec 05 13:27:40.036 INFO [stderr]    Compiling rust_mnist_gradient_descent v0.1.0 (/source)
Dec 05 13:27:40.721 INFO [stderr] warning: function is never used: `hypothesis`
Dec 05 13:27:40.721 INFO [stderr]   --> src/main.rs:27:1
Dec 05 13:27:40.721 INFO [stderr]    |
Dec 05 13:27:40.722 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 05 13:27:40.722 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:27:40.722 INFO [stderr]    |
Dec 05 13:27:40.724 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 13:27:40.724 INFO [stderr] 
Dec 05 13:27:40.724 INFO [stderr] warning: function is never used: `print_i`
Dec 05 13:27:40.724 INFO [stderr]   --> src/main.rs:35:1
Dec 05 13:27:40.724 INFO [stderr]    |
Dec 05 13:27:40.724 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 05 13:27:40.724 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:27:40.724 INFO [stderr] 
Dec 05 13:27:41.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 05 13:27:41.023 INFO [stderr] su: No module specific data is present
Dec 05 13:27:41.323 INFO running `"docker" "inspect" "14edbdbce81f4e1ca59a27546b088fcbf24d92ba02d2671f2494043ca5a23055"`
Dec 05 13:27:41.544 INFO running `"docker" "rm" "-f" "14edbdbce81f4e1ca59a27546b088fcbf24d92ba02d2671f2494043ca5a23055"`
Dec 05 13:27:41.796 INFO [stdout] 14edbdbce81f4e1ca59a27546b088fcbf24d92ba02d2671f2494043ca5a23055
Dec 05 13:27:41.802 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:27:42.132 INFO [stdout] 0f769caeadc4ca810e9adda31d31bf81f423b0581a5c933c81679390d58bbf81
Dec 05 13:27:42.136 INFO running `"docker" "start" "-a" "0f769caeadc4ca810e9adda31d31bf81f423b0581a5c933c81679390d58bbf81"`
Dec 05 13:27:43.188 INFO [stderr] usermod: no changes
Dec 05 13:27:43.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 05 13:27:43.304 INFO [stderr]      Running /target/debug/deps/rust_mnist_gradient_descent-48ac6352e7643bf8
Dec 05 13:27:43.312 INFO [stdout] 
Dec 05 13:27:43.312 INFO [stdout] running 0 tests
Dec 05 13:27:43.312 INFO [stdout] 
Dec 05 13:27:43.312 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:27:43.312 INFO [stdout] 
Dec 05 13:27:43.312 INFO [stderr] su: No module specific data is present
Dec 05 13:27:44.015 INFO running `"docker" "inspect" "0f769caeadc4ca810e9adda31d31bf81f423b0581a5c933c81679390d58bbf81"`
Dec 05 13:27:44.244 INFO running `"docker" "rm" "-f" "0f769caeadc4ca810e9adda31d31bf81f423b0581a5c933c81679390d58bbf81"`
Dec 05 13:27:44.514 INFO [stdout] 0f769caeadc4ca810e9adda31d31bf81f423b0581a5c933c81679390d58bbf81