Aug 30 07:47:21.647 INFO checking prophet-0.4.2 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 07:47:21.647 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 07:47:21.647 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 07:47:21.850 INFO blam! 038b9b9fc683c0f55949c8fea6a03e0b31146c37dcee855283ffb5ccc548cdde
Aug 30 07:47:21.856 INFO running `"docker" "start" "-a" "038b9b9fc683c0f55949c8fea6a03e0b31146c37dcee855283ffb5ccc548cdde"`
Aug 30 07:47:22.777 INFO kablam!    Compiling ndarray v0.10.14
Aug 30 07:47:33.617 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 30 07:47:34.366 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 30 07:47:37.655 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 30 07:47:37.655 INFO kablam!    --> src/neural_net.rs:418:4
Aug 30 07:47:37.655 INFO kablam!     |
Aug 30 07:47:37.655 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 30 07:47:37.655 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 07:47:37.656 INFO kablam!     |
Aug 30 07:47:37.656 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 07:47:37.656 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 07:47:37.656 INFO kablam! 
Aug 30 07:47:38.818 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.11s
Aug 30 07:47:38.829 INFO kablam! su: No module specific data is present
Aug 30 07:47:39.357 INFO running `"docker" "rm" "-f" "038b9b9fc683c0f55949c8fea6a03e0b31146c37dcee855283ffb5ccc548cdde"`
Aug 30 07:47:39.449 INFO blam! 038b9b9fc683c0f55949c8fea6a03e0b31146c37dcee855283ffb5ccc548cdde