Sep 06 02:13:51.845 INFO checking prophet-0.4.2 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 02:13:51.845 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 02:13:51.845 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:13:52.174 INFO blam! 98fad00a9a74b21984488a9b53b8d91896ca86d7ac37f86977a5863c9b0ec509
Sep 06 02:13:52.176 INFO running `"docker" "start" "-a" "98fad00a9a74b21984488a9b53b8d91896ca86d7ac37f86977a5863c9b0ec509"`
Sep 06 02:13:53.846 INFO kablam! usermod: no changes
Sep 06 02:13:54.046 INFO kablam!    Compiling ndarray v0.10.14
Sep 06 02:14:03.159 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 06 02:14:03.714 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 06 02:14:06.102 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 06 02:14:06.102 INFO kablam!    --> src/neural_net.rs:418:4
Sep 06 02:14:06.102 INFO kablam!     |
Sep 06 02:14:06.102 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 06 02:14:06.102 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:14:06.102 INFO kablam!     |
Sep 06 02:14:06.102 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 02:14:06.102 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 06 02:14:06.102 INFO kablam! 
Sep 06 02:14:06.568 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.68s
Sep 06 02:14:06.577 INFO kablam! su: No module specific data is present
Sep 06 02:14:07.280 INFO running `"docker" "rm" "-f" "98fad00a9a74b21984488a9b53b8d91896ca86d7ac37f86977a5863c9b0ec509"`
Sep 06 02:14:07.396 INFO blam! 98fad00a9a74b21984488a9b53b8d91896ca86d7ac37f86977a5863c9b0ec509