Nov 01 18:20:15.310 INFO checking prophet-0.4.2 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 18:20:15.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 18:20:15.836 INFO blam! eba02147afd6eec22bc3a06fcad601087a66610e52f793c1fbd14222abc77ff0
Nov 01 18:20:15.840 INFO running `"docker" "start" "-a" "eba02147afd6eec22bc3a06fcad601087a66610e52f793c1fbd14222abc77ff0"`
Nov 01 18:20:17.708 INFO kablam! usermod: no changes
Nov 01 18:20:17.888 INFO kablam!    Compiling matrixmultiply v0.1.15
Nov 01 18:20:17.888 INFO kablam!    Compiling ndarray v0.10.14
Nov 01 18:20:29.084 INFO kablam!     Checking ndarray-rand v0.6.1
Nov 01 18:20:30.339 INFO kablam!     Checking prophet v0.4.2 (/source)
Nov 01 18:20:34.811 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 01 18:20:34.811 INFO kablam!    --> src/neural_net.rs:418:4
Nov 01 18:20:34.812 INFO kablam!     |
Nov 01 18:20:34.813 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 01 18:20:34.813 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:20:34.814 INFO kablam!     |
Nov 01 18:20:34.815 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 18:20:34.815 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Nov 01 18:20:34.816 INFO kablam! 
Nov 01 18:20:37.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.82s
Nov 01 18:20:37.560 INFO kablam! su: No module specific data is present
Nov 01 18:20:38.994 INFO running `"docker" "rm" "-f" "eba02147afd6eec22bc3a06fcad601087a66610e52f793c1fbd14222abc77ff0"`
Nov 01 18:20:39.293 INFO blam! eba02147afd6eec22bc3a06fcad601087a66610e52f793c1fbd14222abc77ff0