Aug 02 01:50:11.032 INFO checking prophet-0.4.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:50:11.032 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:50:11.032 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:50:11.032 INFO running `"docker" "create" "-v" "/tmp/crater.20gc2TpqmuvF:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 01:50:11.287 INFO blam! 7db34cc4b895bcc54aafa4e95f0e85e72e7171b0f36e8670a8c7ed303321b2e9
Aug 02 01:50:11.289 INFO running `"docker" "start" "-a" "7db34cc4b895bcc54aafa4e95f0e85e72e7171b0f36e8670a8c7ed303321b2e9"`
Aug 02 01:50:12.271 INFO kablam!    Compiling ndarray v0.10.14
Aug 02 01:50:30.647 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 02 01:50:31.472 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 02 01:50:36.956 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 02 01:50:36.956 INFO kablam!    --> src/neural_net.rs:418:4
Aug 02 01:50:36.956 INFO kablam!     |
Aug 02 01:50:36.956 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 02 01:50:36.956 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:50:36.957 INFO kablam!     |
Aug 02 01:50:36.957 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 01:50:36.958 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 02 01:50:36.958 INFO kablam! 
Aug 02 01:50:38.210 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 26.05s
Aug 02 01:50:38.238 INFO kablam! su: No module specific data is present
Aug 02 01:50:38.894 INFO running `"docker" "rm" "-f" "7db34cc4b895bcc54aafa4e95f0e85e72e7171b0f36e8670a8c7ed303321b2e9"`
Aug 02 01:50:39.051 INFO blam! 7db34cc4b895bcc54aafa4e95f0e85e72e7171b0f36e8670a8c7ed303321b2e9