Nov 01 18:20:15.678 INFO checking prophet-0.4.2 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 18:20:15.678 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 18:20:16.043 INFO blam! a7ba76b370068017fd16fe33f6c76ef1acb3d3cc11e52608523a30ecbbf3ac0b
Nov 01 18:20:16.045 INFO running `"docker" "start" "-a" "a7ba76b370068017fd16fe33f6c76ef1acb3d3cc11e52608523a30ecbbf3ac0b"`
Nov 01 18:20:18.217 INFO kablam! usermod: no changes
Nov 01 18:20:18.449 INFO kablam!    Compiling ndarray v0.10.14
Nov 01 18:20:28.895 INFO kablam!     Checking ndarray-rand v0.6.1
Nov 01 18:20:30.221 INFO kablam!     Checking prophet v0.4.2 (/source)
Nov 01 18:20:35.572 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 01 18:20:35.573 INFO kablam!    --> src/neural_net.rs:418:4
Nov 01 18:20:35.574 INFO kablam!     |
Nov 01 18:20:35.575 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 01 18:20:35.575 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:20:35.576 INFO kablam!     |
Nov 01 18:20:35.576 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 18:20:35.577 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Nov 01 18:20:35.577 INFO kablam! 
Nov 01 18:20:39.077 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.82s
Nov 01 18:20:39.086 INFO kablam! su: No module specific data is present
Nov 01 18:20:40.422 INFO running `"docker" "rm" "-f" "a7ba76b370068017fd16fe33f6c76ef1acb3d3cc11e52608523a30ecbbf3ac0b"`
Nov 01 18:20:40.781 INFO blam! a7ba76b370068017fd16fe33f6c76ef1acb3d3cc11e52608523a30ecbbf3ac0b