Aug 31 18:10:26.773 INFO checking prophet-0.4.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 18:10:26.773 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 18:10:26.773 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 18:10:26.945 INFO blam! cae29c4d44548465de83ba5c367c85e1fd9b5f2516f5bb332a6d89d7ebdfc7ce
Aug 31 18:10:26.947 INFO running `"docker" "start" "-a" "cae29c4d44548465de83ba5c367c85e1fd9b5f2516f5bb332a6d89d7ebdfc7ce"`
Aug 31 18:10:27.580 INFO kablam!    Compiling ndarray v0.10.14
Aug 31 18:10:39.759 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 31 18:10:40.538 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 31 18:10:43.773 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 31 18:10:43.773 INFO kablam!    --> src/neural_net.rs:418:4
Aug 31 18:10:43.773 INFO kablam!     |
Aug 31 18:10:43.773 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 31 18:10:43.773 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 18:10:43.773 INFO kablam!     |
Aug 31 18:10:43.773 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 18:10:43.773 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 31 18:10:43.773 INFO kablam! 
Aug 31 18:10:45.084 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.58s
Aug 31 18:10:45.090 INFO kablam! su: No module specific data is present
Aug 31 18:10:45.506 INFO running `"docker" "rm" "-f" "cae29c4d44548465de83ba5c367c85e1fd9b5f2516f5bb332a6d89d7ebdfc7ce"`
Aug 31 18:10:45.637 INFO blam! cae29c4d44548465de83ba5c367c85e1fd9b5f2516f5bb332a6d89d7ebdfc7ce