Sep 19 22:33:26.812 INFO checking prophet-0.4.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 22:33:26.812 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 22:33:26.812 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:33:27.011 INFO blam! 096f9c6f78cdc67e1f2734c78789b55b64294e3fed178d14e2002cfaa7f552b5
Sep 19 22:33:27.013 INFO running `"docker" "start" "-a" "096f9c6f78cdc67e1f2734c78789b55b64294e3fed178d14e2002cfaa7f552b5"`
Sep 19 22:33:28.074 INFO kablam! usermod: no changes
Sep 19 22:33:28.209 INFO kablam!    Compiling ndarray v0.10.14
Sep 19 22:33:38.116 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 19 22:33:38.598 INFO kablam!     Checking prophet v0.4.2 (/source)
Sep 19 22:33:40.338 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 19 22:33:40.338 INFO kablam!    --> src/neural_net.rs:418:4
Sep 19 22:33:40.338 INFO kablam!     |
Sep 19 22:33:40.338 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 19 22:33:40.338 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:33:40.338 INFO kablam!     |
Sep 19 22:33:40.338 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:33:40.338 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 19 22:33:40.338 INFO kablam! 
Sep 19 22:33:40.903 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
Sep 19 22:33:40.910 INFO kablam! su: No module specific data is present
Sep 19 22:33:41.597 INFO running `"docker" "rm" "-f" "096f9c6f78cdc67e1f2734c78789b55b64294e3fed178d14e2002cfaa7f552b5"`
Sep 19 22:33:41.673 INFO blam! 096f9c6f78cdc67e1f2734c78789b55b64294e3fed178d14e2002cfaa7f552b5