Oct 21 19:17:18.485 INFO checking bobisme/rustrnn against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 19:17:18.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 19:17:18.899 INFO blam! 8ce1984a4619fc7aa2030cbce1a7baf1376542c4ddf867194870cde3e5f7786f
Oct 21 19:17:18.912 INFO running `"docker" "start" "-a" "8ce1984a4619fc7aa2030cbce1a7baf1376542c4ddf867194870cde3e5f7786f"`
Oct 21 19:17:20.684 INFO kablam! usermod: no changes
Oct 21 19:17:20.756 INFO kablam!     Checking rustrnn v0.1.0 (/source)
Oct 21 19:17:21.716 INFO kablam! warning: struct is never constructed: `Layer`
Oct 21 19:17:21.716 INFO kablam!  --> src/layer.rs:3:1
Oct 21 19:17:21.716 INFO kablam!   |
Oct 21 19:17:21.716 INFO kablam! 3 | pub struct Layer {
Oct 21 19:17:21.716 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 21 19:17:21.716 INFO kablam!   |
Oct 21 19:17:21.716 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 19:17:21.716 INFO kablam! 
Oct 21 19:17:21.716 INFO kablam! warning: method is never used: `new`
Oct 21 19:17:21.716 INFO kablam!   --> src/layer.rs:10:5
Oct 21 19:17:21.716 INFO kablam!    |
Oct 21 19:17:21.716 INFO kablam! 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
Oct 21 19:17:21.716 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 19:17:21.717 INFO kablam! 
Oct 21 19:17:21.717 INFO kablam! warning: method is never used: `size`
Oct 21 19:17:21.717 INFO kablam!   --> src/layer.rs:18:5
Oct 21 19:17:21.717 INFO kablam!    |
Oct 21 19:17:21.717 INFO kablam! 18 |     pub fn size(&self) -> usize {
Oct 21 19:17:21.717 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 19:17:21.717 INFO kablam! 
Oct 21 19:17:21.717 INFO kablam! warning: method is never used: `input_size`
Oct 21 19:17:21.717 INFO kablam!   --> src/layer.rs:22:5
Oct 21 19:17:21.717 INFO kablam!    |
Oct 21 19:17:21.717 INFO kablam! 22 |     pub fn input_size(&self) -> usize {
Oct 21 19:17:21.717 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 19:17:21.717 INFO kablam! 
Oct 21 19:17:22.228 INFO kablam! warning: unused arithmetic operation that must be used
Oct 21 19:17:22.228 INFO kablam!    --> src/matrix.rs:440:13
Oct 21 19:17:22.228 INFO kablam!     |
Oct 21 19:17:22.228 INFO kablam! 440 |             m1 + &m2;
Oct 21 19:17:22.228 INFO kablam!     |             ^^^^^^^^
Oct 21 19:17:22.228 INFO kablam!     |
Oct 21 19:17:22.228 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 21 19:17:22.228 INFO kablam! 
Oct 21 19:17:22.229 INFO kablam! warning: unused arithmetic operation that must be used
Oct 21 19:17:22.229 INFO kablam!    --> src/matrix.rs:488:13
Oct 21 19:17:22.229 INFO kablam!     |
Oct 21 19:17:22.229 INFO kablam! 488 |             m1 - &m2;
Oct 21 19:17:22.229 INFO kablam!     |             ^^^^^^^^
Oct 21 19:17:22.229 INFO kablam! 
Oct 21 19:17:22.278 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Oct 21 19:17:22.278 INFO kablam! su: No module specific data is present
Oct 21 19:17:23.317 INFO running `"docker" "rm" "-f" "8ce1984a4619fc7aa2030cbce1a7baf1376542c4ddf867194870cde3e5f7786f"`
Oct 21 19:17:23.672 INFO blam! 8ce1984a4619fc7aa2030cbce1a7baf1376542c4ddf867194870cde3e5f7786f