Dec 13 09:37:36.047 INFO testing mvlabat/rust_mnist_gradient_descent against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 09:37:36.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 09:37:36.640 INFO [stdout] 2f16a30ff0ac4fb7a8099b478854d56566eee5132031c5d2d058b009676512ad
Dec 13 09:37:36.645 INFO running `"docker" "start" "-a" "2f16a30ff0ac4fb7a8099b478854d56566eee5132031c5d2d058b009676512ad"`
Dec 13 09:37:38.331 INFO [stderr] usermod: no changes
Dec 13 09:37:38.479 INFO [stderr]    Compiling num-complex v0.1.41
Dec 13 09:37:38.479 INFO [stderr]    Compiling mnist v0.4.0
Dec 13 09:37:40.611 INFO [stderr]    Compiling alga v0.5.2
Dec 13 09:37:44.619 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 13 09:38:15.520 INFO [stderr]    Compiling rust_mnist_gradient_descent v0.1.0 (/source)
Dec 13 09:38:16.363 INFO [stderr] warning: function is never used: `hypothesis`
Dec 13 09:38:16.363 INFO [stderr]   --> src/main.rs:27:1
Dec 13 09:38:16.363 INFO [stderr]    |
Dec 13 09:38:16.363 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 13 09:38:16.363 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:16.363 INFO [stderr]    |
Dec 13 09:38:16.363 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:38:16.363 INFO [stderr] 
Dec 13 09:38:16.363 INFO [stderr] warning: function is never used: `print_i`
Dec 13 09:38:16.363 INFO [stderr]   --> src/main.rs:35:1
Dec 13 09:38:16.363 INFO [stderr]    |
Dec 13 09:38:16.363 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 13 09:38:16.363 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:16.363 INFO [stderr] 
Dec 13 09:38:18.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.98s
Dec 13 09:38:18.358 INFO [stderr] su: No module specific data is present
Dec 13 09:38:19.501 INFO running `"docker" "inspect" "2f16a30ff0ac4fb7a8099b478854d56566eee5132031c5d2d058b009676512ad"`
Dec 13 09:38:19.780 INFO running `"docker" "rm" "-f" "2f16a30ff0ac4fb7a8099b478854d56566eee5132031c5d2d058b009676512ad"`
Dec 13 09:38:20.091 INFO [stdout] 2f16a30ff0ac4fb7a8099b478854d56566eee5132031c5d2d058b009676512ad
Dec 13 09:38:20.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 09:38:20.608 INFO [stdout] bc6ebdb07bfc3a850a1f49e240bab3fa35e853a974cdf888ae9ecde0227d0294
Dec 13 09:38:20.611 INFO running `"docker" "start" "-a" "bc6ebdb07bfc3a850a1f49e240bab3fa35e853a974cdf888ae9ecde0227d0294"`
Dec 13 09:38:22.379 INFO [stderr] usermod: no changes
Dec 13 09:38:22.503 INFO [stderr]    Compiling rust_mnist_gradient_descent v0.1.0 (/source)
Dec 13 09:38:23.295 INFO [stderr] warning: function is never used: `hypothesis`
Dec 13 09:38:23.295 INFO [stderr]   --> src/main.rs:27:1
Dec 13 09:38:23.295 INFO [stderr]    |
Dec 13 09:38:23.295 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 13 09:38:23.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:23.295 INFO [stderr]    |
Dec 13 09:38:23.295 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:38:23.295 INFO [stderr] 
Dec 13 09:38:23.295 INFO [stderr] warning: function is never used: `print_i`
Dec 13 09:38:23.295 INFO [stderr]   --> src/main.rs:35:1
Dec 13 09:38:23.295 INFO [stderr]    |
Dec 13 09:38:23.295 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 13 09:38:23.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:23.295 INFO [stderr] 
Dec 13 09:38:23.677 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 13 09:38:23.684 INFO [stderr] su: No module specific data is present
Dec 13 09:38:24.359 INFO running `"docker" "inspect" "bc6ebdb07bfc3a850a1f49e240bab3fa35e853a974cdf888ae9ecde0227d0294"`
Dec 13 09:38:24.659 INFO running `"docker" "rm" "-f" "bc6ebdb07bfc3a850a1f49e240bab3fa35e853a974cdf888ae9ecde0227d0294"`
Dec 13 09:38:24.920 INFO [stdout] bc6ebdb07bfc3a850a1f49e240bab3fa35e853a974cdf888ae9ecde0227d0294
Dec 13 09:38:24.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 09:38:25.448 INFO [stdout] d422314614d77fffbd478019f8797f67b9b4a61324cabd29b03a063075511982
Dec 13 09:38:25.450 INFO running `"docker" "start" "-a" "d422314614d77fffbd478019f8797f67b9b4a61324cabd29b03a063075511982"`
Dec 13 09:38:27.067 INFO [stderr] usermod: no changes
Dec 13 09:38:27.222 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Dec 13 09:38:27.232 INFO [stderr]      Running /target/debug/deps/rust_mnist_gradient_descent-4542056a5c68cce8
Dec 13 09:38:27.235 INFO [stdout] 
Dec 13 09:38:27.235 INFO [stdout] running 0 tests
Dec 13 09:38:27.235 INFO [stdout] 
Dec 13 09:38:27.235 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 09:38:27.235 INFO [stdout] 
Dec 13 09:38:27.235 INFO [stderr] su: No module specific data is present
Dec 13 09:38:28.085 INFO running `"docker" "inspect" "d422314614d77fffbd478019f8797f67b9b4a61324cabd29b03a063075511982"`
Dec 13 09:38:28.387 INFO running `"docker" "rm" "-f" "d422314614d77fffbd478019f8797f67b9b4a61324cabd29b03a063075511982"`
Dec 13 09:38:28.750 INFO [stdout] d422314614d77fffbd478019f8797f67b9b4a61324cabd29b03a063075511982