Nov 04 19:34:04.046 INFO checking prophet-0.4.2 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 19:34:04.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 19:34:04.515 INFO blam! f4a0157bce7757868d48777fa2f2e8530dc3c5e9ad60f64c141f5beaa0f6906e
Nov 04 19:34:04.518 INFO running `"docker" "start" "-a" "f4a0157bce7757868d48777fa2f2e8530dc3c5e9ad60f64c141f5beaa0f6906e"`
Nov 04 19:34:06.867 INFO kablam! usermod: no changes
Nov 04 19:34:07.107 INFO kablam!    Compiling ndarray v0.10.14
Nov 04 19:34:17.579 INFO kablam!     Checking ndarray-rand v0.6.1
Nov 04 19:34:19.127 INFO kablam!     Checking prophet v0.4.2 (/source)
Nov 04 19:34:23.231 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 04 19:34:23.232 INFO kablam!    --> src/neural_net.rs:418:4
Nov 04 19:34:23.232 INFO kablam!     |
Nov 04 19:34:23.232 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 04 19:34:23.233 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 19:34:23.233 INFO kablam!     |
Nov 04 19:34:23.233 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 04 19:34:23.234 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Nov 04 19:34:23.234 INFO kablam! 
Nov 04 19:34:26.603 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.70s
Nov 04 19:34:26.612 INFO kablam! su: No module specific data is present
Nov 04 19:34:27.777 INFO running `"docker" "rm" "-f" "f4a0157bce7757868d48777fa2f2e8530dc3c5e9ad60f64c141f5beaa0f6906e"`
Nov 04 19:34:28.083 INFO blam! f4a0157bce7757868d48777fa2f2e8530dc3c5e9ad60f64c141f5beaa0f6906e