Nov 02 17:19:38.895 INFO checking bobisme/rustrnn against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 17:19:38.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 17:19:39.314 INFO blam! f638a5dc8f3d0c3c3bfdbce470e7258b6104c90cb869883d2a38356e5f77d9ef
Nov 02 17:19:39.315 INFO running `"docker" "start" "-a" "f638a5dc8f3d0c3c3bfdbce470e7258b6104c90cb869883d2a38356e5f77d9ef"`
Nov 02 17:19:41.192 INFO kablam! usermod: no changes
Nov 02 17:19:41.340 INFO kablam!     Checking rustrnn v0.1.0 (/source)
Nov 02 17:19:42.680 INFO kablam! warning: struct is never constructed: `Layer`
Nov 02 17:19:42.680 INFO kablam!  --> src/layer.rs:3:1
Nov 02 17:19:42.681 INFO kablam!   |
Nov 02 17:19:42.681 INFO kablam! 3 | pub struct Layer {
Nov 02 17:19:42.681 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 02 17:19:42.681 INFO kablam!   |
Nov 02 17:19:42.681 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 17:19:42.681 INFO kablam! 
Nov 02 17:19:42.681 INFO kablam! warning: method is never used: `new`
Nov 02 17:19:42.681 INFO kablam!   --> src/layer.rs:10:5
Nov 02 17:19:42.681 INFO kablam!    |
Nov 02 17:19:42.681 INFO kablam! 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
Nov 02 17:19:42.681 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 17:19:42.681 INFO kablam! 
Nov 02 17:19:42.681 INFO kablam! warning: method is never used: `size`
Nov 02 17:19:42.681 INFO kablam!   --> src/layer.rs:18:5
Nov 02 17:19:42.681 INFO kablam!    |
Nov 02 17:19:42.681 INFO kablam! 18 |     pub fn size(&self) -> usize {
Nov 02 17:19:42.681 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 17:19:42.681 INFO kablam! 
Nov 02 17:19:42.681 INFO kablam! warning: method is never used: `input_size`
Nov 02 17:19:42.681 INFO kablam!   --> src/layer.rs:22:5
Nov 02 17:19:42.681 INFO kablam!    |
Nov 02 17:19:42.681 INFO kablam! 22 |     pub fn input_size(&self) -> usize {
Nov 02 17:19:42.681 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 17:19:42.681 INFO kablam! 
Nov 02 17:19:43.039 INFO kablam! warning: unused arithmetic operation that must be used
Nov 02 17:19:43.039 INFO kablam!    --> src/matrix.rs:440:13
Nov 02 17:19:43.039 INFO kablam!     |
Nov 02 17:19:43.039 INFO kablam! 440 |             m1 + &m2;
Nov 02 17:19:43.039 INFO kablam!     |             ^^^^^^^^
Nov 02 17:19:43.039 INFO kablam!     |
Nov 02 17:19:43.039 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 17:19:43.039 INFO kablam! 
Nov 02 17:19:43.040 INFO kablam! warning: unused arithmetic operation that must be used
Nov 02 17:19:43.041 INFO kablam!    --> src/matrix.rs:488:13
Nov 02 17:19:43.041 INFO kablam!     |
Nov 02 17:19:43.041 INFO kablam! 488 |             m1 - &m2;
Nov 02 17:19:43.041 INFO kablam!     |             ^^^^^^^^
Nov 02 17:19:43.041 INFO kablam! 
Nov 02 17:19:43.106 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Nov 02 17:19:43.109 INFO kablam! su: No module specific data is present
Nov 02 17:19:44.147 INFO running `"docker" "rm" "-f" "f638a5dc8f3d0c3c3bfdbce470e7258b6104c90cb869883d2a38356e5f77d9ef"`
Nov 02 17:19:44.472 INFO blam! f638a5dc8f3d0c3c3bfdbce470e7258b6104c90cb869883d2a38356e5f77d9ef