Sep 04 07:37:56.456 INFO checking prophet-0.4.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 07:37:56.456 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 07:37:56.456 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:37:56.674 INFO blam! 4abf832305a087546d129b1a257739334ba8b044343929ce08dd7b95ec9f3519
Sep 04 07:37:56.676 INFO running `"docker" "start" "-a" "4abf832305a087546d129b1a257739334ba8b044343929ce08dd7b95ec9f3519"`
Sep 04 07:37:57.320 INFO kablam!    Compiling ndarray v0.10.14
Sep 04 07:38:08.604 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 04 07:38:09.294 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 04 07:38:11.750 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 04 07:38:11.750 INFO kablam!    --> src/neural_net.rs:418:4
Sep 04 07:38:11.750 INFO kablam!     |
Sep 04 07:38:11.750 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 04 07:38:11.750 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 07:38:11.750 INFO kablam!     |
Sep 04 07:38:11.750 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 07:38:11.750 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 04 07:38:11.750 INFO kablam! 
Sep 04 07:38:12.851 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.59s
Sep 04 07:38:12.860 INFO kablam! su: No module specific data is present
Sep 04 07:38:13.406 INFO running `"docker" "rm" "-f" "4abf832305a087546d129b1a257739334ba8b044343929ce08dd7b95ec9f3519"`
Sep 04 07:38:13.506 INFO blam! 4abf832305a087546d129b1a257739334ba8b044343929ce08dd7b95ec9f3519