Nov 07 10:44:18.118 INFO checking prophet-0.4.2 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687
Nov 07 10:44:18.118 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dduplicate_associated_type_bindings" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 07 10:44:18.450 INFO blam! bebc647d92e0e505092ae6d22bcb04c20ae766a892cae4d267ff7c77e3ad6c4e
Nov 07 10:44:18.452 INFO running `"docker" "start" "-a" "bebc647d92e0e505092ae6d22bcb04c20ae766a892cae4d267ff7c77e3ad6c4e"`
Nov 07 10:44:20.012 INFO kablam! usermod: no changes
Nov 07 10:44:20.153 INFO kablam!    Compiling ndarray v0.10.14
Nov 07 10:44:29.909 INFO kablam!     Checking ndarray-rand v0.6.1
Nov 07 10:44:31.064 INFO kablam!     Checking prophet v0.4.2 (/source)
Nov 07 10:44:35.172 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 07 10:44:35.172 INFO kablam!    --> src/neural_net.rs:418:4
Nov 07 10:44:35.172 INFO kablam!     |
Nov 07 10:44:35.172 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 07 10:44:35.172 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 10:44:35.172 INFO kablam!     |
Nov 07 10:44:35.172 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 07 10:44:35.172 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Nov 07 10:44:35.172 INFO kablam! 
Nov 07 10:44:39.069 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.03s
Nov 07 10:44:39.080 INFO kablam! su: No module specific data is present
Nov 07 10:44:40.093 INFO running `"docker" "rm" "-f" "bebc647d92e0e505092ae6d22bcb04c20ae766a892cae4d267ff7c77e3ad6c4e"`
Nov 07 10:44:40.353 INFO blam! bebc647d92e0e505092ae6d22bcb04c20ae766a892cae4d267ff7c77e3ad6c4e