Sep 17 19:41:43.858 INFO checking prophet-0.4.2 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 19:41:43.858 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 19:41:43.859 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:41:44.287 INFO blam! 394f38308f32cd935f577a3f738097654c191bde85c4495f405a554afa5606d5
Sep 17 19:41:44.290 INFO running `"docker" "start" "-a" "394f38308f32cd935f577a3f738097654c191bde85c4495f405a554afa5606d5"`
Sep 17 19:41:45.816 INFO kablam! usermod: no changes
Sep 17 19:41:46.036 INFO kablam!    Compiling ndarray v0.10.14
Sep 17 19:41:56.610 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 17 19:41:57.306 INFO kablam!     Checking prophet v0.4.2 (/source)
Sep 17 19:41:59.599 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 17 19:41:59.599 INFO kablam!    --> src/neural_net.rs:418:4
Sep 17 19:41:59.599 INFO kablam!     |
Sep 17 19:41:59.599 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 17 19:41:59.599 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 19:41:59.599 INFO kablam!     |
Sep 17 19:41:59.599 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 19:41:59.599 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 17 19:41:59.599 INFO kablam! 
Sep 17 19:42:00.663 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.80s
Sep 17 19:42:00.671 INFO kablam! su: No module specific data is present
Sep 17 19:42:01.644 INFO running `"docker" "rm" "-f" "394f38308f32cd935f577a3f738097654c191bde85c4495f405a554afa5606d5"`
Sep 17 19:42:01.812 INFO blam! 394f38308f32cd935f577a3f738097654c191bde85c4495f405a554afa5606d5