Dec 17 19:07:02.830 INFO checking mvlabat/rust_mnist_gradient_descent against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:07:02.831 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mvlabat/rust_mnist_gradient_descent:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:07:03.260 INFO [stdout] cccbbc1b6f34347567270c26500cbbadd3eecf665e7087c63ac5aace0a788512
Dec 17 19:07:03.263 INFO running `"docker" "start" "-a" "cccbbc1b6f34347567270c26500cbbadd3eecf665e7087c63ac5aace0a788512"`
Dec 17 19:07:05.799 INFO [stderr]     Checking mnist v0.4.0
Dec 17 19:07:05.804 INFO [stderr]     Checking nalgebra v0.13.1
Dec 17 19:07:32.819 INFO [stderr]     Checking rust_mnist_gradient_descent v0.1.0 (/opt/crater/workdir)
Dec 17 19:07:33.480 INFO [stderr] warning: function is never used: `hypothesis`
Dec 17 19:07:33.480 INFO [stderr]   --> src/main.rs:27:1
Dec 17 19:07:33.480 INFO [stderr]    |
Dec 17 19:07:33.480 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 17 19:07:33.480 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:07:33.480 INFO [stderr]    |
Dec 17 19:07:33.480 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:07:33.481 INFO [stderr] 
Dec 17 19:07:33.481 INFO [stderr] warning: function is never used: `print_i`
Dec 17 19:07:33.481 INFO [stderr]   --> src/main.rs:35:1
Dec 17 19:07:33.481 INFO [stderr]    |
Dec 17 19:07:33.485 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 17 19:07:33.485 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:07:33.485 INFO [stderr] 
Dec 17 19:07:33.613 INFO [stderr] warning: function is never used: `hypothesis`
Dec 17 19:07:33.613 INFO [stderr]   --> src/main.rs:27:1
Dec 17 19:07:33.613 INFO [stderr]    |
Dec 17 19:07:33.613 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 17 19:07:33.613 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:07:33.613 INFO [stderr]    |
Dec 17 19:07:33.613 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:07:33.613 INFO [stderr] 
Dec 17 19:07:33.613 INFO [stderr] warning: function is never used: `print_i`
Dec 17 19:07:33.613 INFO [stderr]   --> src/main.rs:35:1
Dec 17 19:07:33.613 INFO [stderr]    |
Dec 17 19:07:33.613 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 17 19:07:33.613 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:07:33.613 INFO [stderr] 
Dec 17 19:07:33.636 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.95s
Dec 17 19:07:34.678 INFO running `"docker" "inspect" "cccbbc1b6f34347567270c26500cbbadd3eecf665e7087c63ac5aace0a788512"`
Dec 17 19:07:34.920 INFO running `"docker" "rm" "-f" "cccbbc1b6f34347567270c26500cbbadd3eecf665e7087c63ac5aace0a788512"`
Dec 17 19:07:35.159 INFO [stdout] cccbbc1b6f34347567270c26500cbbadd3eecf665e7087c63ac5aace0a788512