Aug 31 18:10:27.102 INFO checking prophet-0.4.2 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 18:10:27.103 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 18:10:27.103 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 18:10:27.265 INFO blam! 38be9a52bae02d171fb24c90640d071b4c98cee966f1823db773d972ce9ae4de
Aug 31 18:10:27.267 INFO running `"docker" "start" "-a" "38be9a52bae02d171fb24c90640d071b4c98cee966f1823db773d972ce9ae4de"`
Aug 31 18:10:27.957 INFO kablam!    Compiling ndarray v0.10.14
Aug 31 18:10:39.038 INFO kablam!     Checking ndarray-rand v0.6.1
Aug 31 18:10:39.818 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Aug 31 18:10:43.581 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Aug 31 18:10:43.581 INFO kablam!    --> src/neural_net.rs:418:4
Aug 31 18:10:43.581 INFO kablam!     |
Aug 31 18:10:43.581 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Aug 31 18:10:43.581 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 18:10:43.581 INFO kablam!     |
Aug 31 18:10:43.582 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 18:10:43.582 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 31 18:10:43.582 INFO kablam! 
Aug 31 18:10:44.612 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.72s
Aug 31 18:10:44.618 INFO kablam! su: No module specific data is present
Aug 31 18:10:45.093 INFO running `"docker" "rm" "-f" "38be9a52bae02d171fb24c90640d071b4c98cee966f1823db773d972ce9ae4de"`
Aug 31 18:10:45.188 INFO blam! 38be9a52bae02d171fb24c90640d071b4c98cee966f1823db773d972ce9ae4de