Sep 04 10:40:06.281 INFO checking prophet-0.4.2 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 10:40:06.281 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 10:40:06.281 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 10:40:06.486 INFO blam! 2f328233330a6b5cafba88b1a7faa42c3f123a1a4507bb04b75b13988f31bf55
Sep 04 10:40:06.490 INFO running `"docker" "start" "-a" "2f328233330a6b5cafba88b1a7faa42c3f123a1a4507bb04b75b13988f31bf55"`
Sep 04 10:40:07.150 INFO kablam!    Compiling ndarray v0.10.14
Sep 04 10:40:17.841 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 04 10:40:18.697 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 04 10:40:21.515 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 04 10:40:21.515 INFO kablam!    --> src/neural_net.rs:418:4
Sep 04 10:40:21.515 INFO kablam!     |
Sep 04 10:40:21.515 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 04 10:40:21.515 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:40:21.515 INFO kablam!     |
Sep 04 10:40:21.515 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 10:40:21.515 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 04 10:40:21.515 INFO kablam! 
Sep 04 10:40:22.633 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.58s
Sep 04 10:40:22.638 INFO kablam! su: No module specific data is present
Sep 04 10:40:23.261 INFO running `"docker" "rm" "-f" "2f328233330a6b5cafba88b1a7faa42c3f123a1a4507bb04b75b13988f31bf55"`
Sep 04 10:40:23.346 INFO blam! 2f328233330a6b5cafba88b1a7faa42c3f123a1a4507bb04b75b13988f31bf55