Aug 30 07:17:39.495 INFO checking prophet-0.4.2 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 07:17:39.495 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 07:17:39.495 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 07:17:39.686 INFO blam! faf613f63f89089b66be7c19992a3533dcfc23aaab53437c46988e7ff4b301c2
Aug 30 07:17:39.688 INFO running `"docker" "start" "-a" "faf613f63f89089b66be7c19992a3533dcfc23aaab53437c46988e7ff4b301c2"`
Aug 30 07:17:40.403 INFO kablam!    Compiling ndarray v0.10.14
Aug 30 07:17:52.484 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 30 07:17:53.307 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 30 07:17:56.104 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 30 07:17:56.104 INFO kablam!    --> src/neural_net.rs:418:4
Aug 30 07:17:56.104 INFO kablam!     |
Aug 30 07:17:56.104 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 30 07:17:56.104 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 07:17:56.105 INFO kablam!     |
Aug 30 07:17:56.105 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 07:17:56.105 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 07:17:56.105 INFO kablam! 
Aug 30 07:17:57.299 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
Aug 30 07:17:57.309 INFO kablam! su: No module specific data is present
Aug 30 07:17:57.650 INFO running `"docker" "rm" "-f" "faf613f63f89089b66be7c19992a3533dcfc23aaab53437c46988e7ff4b301c2"`
Aug 30 07:17:57.761 INFO blam! faf613f63f89089b66be7c19992a3533dcfc23aaab53437c46988e7ff4b301c2