Aug 11 05:49:25.876 INFO checking prophet-0.4.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 05:49:25.876 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 05:49:25.876 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 05:49:25.876 INFO running `"docker" "create" "-v" "/tmp/crater.uSF7XSz99wiP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 05:49:26.223 INFO blam! 6d98ef0b137ce8193bd67800bbfc69d21e7d664495383d1f52b7958f41bbb07e
Aug 11 05:49:26.230 INFO running `"docker" "start" "-a" "6d98ef0b137ce8193bd67800bbfc69d21e7d664495383d1f52b7958f41bbb07e"`
Aug 11 05:49:27.349 INFO kablam!    Compiling ndarray v0.10.14
Aug 11 05:49:47.708 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 11 05:49:48.615 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 11 05:49:54.826 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 11 05:49:54.826 INFO kablam!    --> src/neural_net.rs:418:4
Aug 11 05:49:54.826 INFO kablam!     |
Aug 11 05:49:54.826 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 11 05:49:54.826 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 05:49:54.826 INFO kablam!     |
Aug 11 05:49:54.826 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 05:49:54.826 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 11 05:49:54.826 INFO kablam! 
Aug 11 05:49:55.818 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 28.66s
Aug 11 05:49:55.841 INFO kablam! su: No module specific data is present
Aug 11 05:49:56.395 INFO running `"docker" "rm" "-f" "6d98ef0b137ce8193bd67800bbfc69d21e7d664495383d1f52b7958f41bbb07e"`
Aug 11 05:49:56.576 INFO blam! 6d98ef0b137ce8193bd67800bbfc69d21e7d664495383d1f52b7958f41bbb07e