Sep 01 10:49:32.426 INFO checking prophet-0.4.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 10:49:32.426 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 10:49:32.426 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:49:32.590 INFO blam! cb8fa2ce60a658ca725230405a393ab7e157eab8dacac5cc62034c8e40250eb3
Sep 01 10:49:32.593 INFO running `"docker" "start" "-a" "cb8fa2ce60a658ca725230405a393ab7e157eab8dacac5cc62034c8e40250eb3"`
Sep 01 10:49:33.373 INFO kablam!    Compiling ndarray v0.10.14
Sep 01 10:49:43.930 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 01 10:49:44.584 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 01 10:49:47.543 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 01 10:49:47.543 INFO kablam!    --> src/neural_net.rs:418:4
Sep 01 10:49:47.543 INFO kablam!     |
Sep 01 10:49:47.543 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 01 10:49:47.543 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 10:49:47.543 INFO kablam!     |
Sep 01 10:49:47.543 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 10:49:47.543 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 01 10:49:47.543 INFO kablam! 
Sep 01 10:49:48.891 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.59s
Sep 01 10:49:48.897 INFO kablam! su: No module specific data is present
Sep 01 10:49:49.401 INFO running `"docker" "rm" "-f" "cb8fa2ce60a658ca725230405a393ab7e157eab8dacac5cc62034c8e40250eb3"`
Sep 01 10:49:49.505 INFO blam! cb8fa2ce60a658ca725230405a393ab7e157eab8dacac5cc62034c8e40250eb3