Aug 30 07:17:36.775 INFO checking prophet-0.4.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 07:17:36.775 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 07:17:36.775 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 07:17:36.981 INFO blam! f4ea064de0cc516df713f1aa1844693fb7d66ff67a9f7cb88588deb8f541499b
Aug 30 07:17:36.984 INFO running `"docker" "start" "-a" "f4ea064de0cc516df713f1aa1844693fb7d66ff67a9f7cb88588deb8f541499b"`
Aug 30 07:17:37.743 INFO kablam!    Compiling ndarray v0.10.14
Aug 30 07:17:50.131 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 30 07:17:50.808 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 30 07:17:53.999 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 30 07:17:53.999 INFO kablam!    --> src/neural_net.rs:418:4
Aug 30 07:17:53.999 INFO kablam!     |
Aug 30 07:17:53.999 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 30 07:17:53.999 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 07:17:53.999 INFO kablam!     |
Aug 30 07:17:53.999 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 07:17:53.999 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 07:17:53.999 INFO kablam! 
Aug 30 07:17:54.748 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.13s
Aug 30 07:17:54.753 INFO kablam! su: No module specific data is present
Aug 30 07:17:55.126 INFO running `"docker" "rm" "-f" "f4ea064de0cc516df713f1aa1844693fb7d66ff67a9f7cb88588deb8f541499b"`
Aug 30 07:17:55.233 INFO blam! f4ea064de0cc516df713f1aa1844693fb7d66ff67a9f7cb88588deb8f541499b