Nov 29 21:44:51.242 INFO checking mvlabat/rust_mnist_gradient_descent against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 21:44:51.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"`
Nov 29 21:44:51.916 INFO [stdout] b6b90668d8100c94f7f6a910274345f6e5f8488016af1a8defbcbbdaf0468af2
Nov 29 21:44:51.919 INFO running `"docker" "start" "-a" "b6b90668d8100c94f7f6a910274345f6e5f8488016af1a8defbcbbdaf0468af2"`
Nov 29 21:44:53.901 INFO [stderr] usermod: no changes
Nov 29 21:44:54.052 INFO [stderr]     Checking num-complex v0.1.41
Nov 29 21:44:54.057 INFO [stderr]     Checking mnist v0.4.0
Nov 29 21:44:55.696 INFO [stderr]     Checking alga v0.5.2
Nov 29 21:44:59.600 INFO [stderr]     Checking nalgebra v0.13.1
Nov 29 21:45:28.553 INFO [stderr]     Checking rust_mnist_gradient_descent v0.1.0 (/source)
Nov 29 21:45:29.463 INFO [stderr] warning: function is never used: `hypothesis`
Nov 29 21:45:29.463 INFO [stderr]   --> src/main.rs:27:1
Nov 29 21:45:29.463 INFO [stderr]    |
Nov 29 21:45:29.464 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Nov 29 21:45:29.464 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:29.464 INFO [stderr]    |
Nov 29 21:45:29.465 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 21:45:29.465 INFO [stderr] 
Nov 29 21:45:29.465 INFO [stderr] warning: function is never used: `print_i`
Nov 29 21:45:29.465 INFO [stderr]   --> src/main.rs:35:1
Nov 29 21:45:29.465 INFO [stderr]    |
Nov 29 21:45:29.465 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Nov 29 21:45:29.465 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:29.465 INFO [stderr] 
Nov 29 21:45:29.573 INFO [stderr] warning: function is never used: `hypothesis`
Nov 29 21:45:29.573 INFO [stderr]   --> src/main.rs:27:1
Nov 29 21:45:29.573 INFO [stderr]    |
Nov 29 21:45:29.573 INFO [stderr] 27 | fn hypothesis(weigts: &WeightVector, image: &Image) -> f32 {
Nov 29 21:45:29.573 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:29.573 INFO [stderr]    |
Nov 29 21:45:29.573 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 21:45:29.573 INFO [stderr] 
Nov 29 21:45:29.573 INFO [stderr] warning: function is never used: `print_i`
Nov 29 21:45:29.573 INFO [stderr]   --> src/main.rs:35:1
Nov 29 21:45:29.573 INFO [stderr]    |
Nov 29 21:45:29.573 INFO [stderr] 35 | fn print_i(image: &WeightVector) {
Nov 29 21:45:29.573 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:29.573 INFO [stderr] 
Nov 29 21:45:29.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.67s
Nov 29 21:45:29.604 INFO [stderr] su: No module specific data is present
Nov 29 21:45:30.300 INFO running `"docker" "inspect" "b6b90668d8100c94f7f6a910274345f6e5f8488016af1a8defbcbbdaf0468af2"`
Nov 29 21:45:30.538 INFO running `"docker" "rm" "-f" "b6b90668d8100c94f7f6a910274345f6e5f8488016af1a8defbcbbdaf0468af2"`
Nov 29 21:45:30.740 INFO [stdout] b6b90668d8100c94f7f6a910274345f6e5f8488016af1a8defbcbbdaf0468af2