Sep 06 02:13:49.622 INFO checking prophet-0.4.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:13:49.622 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:13:49.623 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:13:49.871 INFO blam! a9ef8470fa9f80bdf2419ee3a6a9e2e0cb3a3681f780781fc4ca38ce6e122f69
Sep 06 02:13:49.872 INFO running `"docker" "start" "-a" "a9ef8470fa9f80bdf2419ee3a6a9e2e0cb3a3681f780781fc4ca38ce6e122f69"`
Sep 06 02:13:51.099 INFO kablam! usermod: no changes
Sep 06 02:13:51.286 INFO kablam!    Compiling ndarray v0.10.14
Sep 06 02:14:01.164 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 06 02:14:01.750 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 06 02:14:04.782 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 06 02:14:04.782 INFO kablam!    --> src/neural_net.rs:418:4
Sep 06 02:14:04.782 INFO kablam!     |
Sep 06 02:14:04.782 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 06 02:14:04.782 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:14:04.782 INFO kablam!     |
Sep 06 02:14:04.782 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 02:14:04.782 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 06 02:14:04.782 INFO kablam! 
Sep 06 02:14:05.364 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.23s
Sep 06 02:14:05.374 INFO kablam! su: No module specific data is present
Sep 06 02:14:06.123 INFO running `"docker" "rm" "-f" "a9ef8470fa9f80bdf2419ee3a6a9e2e0cb3a3681f780781fc4ca38ce6e122f69"`
Sep 06 02:14:06.237 INFO blam! a9ef8470fa9f80bdf2419ee3a6a9e2e0cb3a3681f780781fc4ca38ce6e122f69