Dec 19 12:10:55.057 INFO checking mvlabat/rust_mnist_gradient_descent against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:10:55.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:10:55.779 INFO [stdout] 1ce442c7c652bbbb2f1dac9cbea8b0d3111bbc8420fd0f4226684afe7fe5c3a4
Dec 19 12:10:55.781 INFO running `"docker" "start" "-a" "1ce442c7c652bbbb2f1dac9cbea8b0d3111bbc8420fd0f4226684afe7fe5c3a4"`
Dec 19 12:10:57.940 INFO [stderr]     Checking mnist v0.4.0
Dec 19 12:10:57.940 INFO [stderr]     Checking alga v0.5.2
Dec 19 12:10:57.940 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 12:11:02.202 INFO [stderr]     Checking nalgebra v0.13.1
Dec 19 12:11:28.514 INFO [stderr]     Checking rust_mnist_gradient_descent v0.1.0 (/opt/crater/workdir)
Dec 19 12:11:28.956 INFO [stderr] warning: function is never used: `hypothesis`
Dec 19 12:11:28.956 INFO [stderr]   --> src/main.rs:27:1
Dec 19 12:11:28.956 INFO [stderr]    |
Dec 19 12:11:28.956 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 19 12:11:28.956 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:11:28.956 INFO [stderr]    |
Dec 19 12:11:28.956 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:11:28.956 INFO [stderr] 
Dec 19 12:11:28.956 INFO [stderr] warning: function is never used: `print_i`
Dec 19 12:11:28.956 INFO [stderr]   --> src/main.rs:35:1
Dec 19 12:11:28.956 INFO [stderr]    |
Dec 19 12:11:28.956 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 19 12:11:28.956 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:11:28.956 INFO [stderr] 
Dec 19 12:11:28.988 INFO [stderr] warning: function is never used: `hypothesis`
Dec 19 12:11:28.988 INFO [stderr]   --> src/main.rs:27:1
Dec 19 12:11:28.989 INFO [stderr]    |
Dec 19 12:11:28.989 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Dec 19 12:11:28.989 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:11:28.989 INFO [stderr]    |
Dec 19 12:11:28.989 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:11:28.989 INFO [stderr] 
Dec 19 12:11:28.989 INFO [stderr] warning: function is never used: `print_i`
Dec 19 12:11:28.989 INFO [stderr]   --> src/main.rs:35:1
Dec 19 12:11:28.989 INFO [stderr]    |
Dec 19 12:11:28.989 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Dec 19 12:11:28.989 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:11:28.989 INFO [stderr] 
Dec 19 12:11:29.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.19s
Dec 19 12:11:29.572 INFO running `"docker" "inspect" "1ce442c7c652bbbb2f1dac9cbea8b0d3111bbc8420fd0f4226684afe7fe5c3a4"`
Dec 19 12:11:29.774 INFO running `"docker" "rm" "-f" "1ce442c7c652bbbb2f1dac9cbea8b0d3111bbc8420fd0f4226684afe7fe5c3a4"`
Dec 19 12:11:30.100 INFO [stdout] 1ce442c7c652bbbb2f1dac9cbea8b0d3111bbc8420fd0f4226684afe7fe5c3a4