Nov 30 17:47:44.786 INFO checking prophet-0.4.2 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 17:47:44.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 17:47:45.236 INFO [stdout] e021d8dbe4721c94b068ba41a8d5d76db64061d76fa9e6f3d0f0c9c475442c10
Nov 30 17:47:45.242 INFO running `"docker" "start" "-a" "e021d8dbe4721c94b068ba41a8d5d76db64061d76fa9e6f3d0f0c9c475442c10"`
Nov 30 17:47:47.528 INFO [stderr] usermod: no changes
Nov 30 17:47:47.659 INFO [stderr]    Compiling ndarray v0.10.14
Nov 30 17:47:56.936 INFO [stderr]     Checking ndarray-rand v0.6.1
Nov 30 17:47:58.160 INFO [stderr]     Checking prophet v0.4.2 (/source)
Nov 30 17:48:02.064 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 30 17:48:02.064 INFO [stderr]    --> src/neural_net.rs:418:4
Nov 30 17:48:02.064 INFO [stderr]     |
Nov 30 17:48:02.064 INFO [stderr] 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 30 17:48:02.064 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:48:02.064 INFO [stderr]     |
Nov 30 17:48:02.064 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 17:48:02.064 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Nov 30 17:48:02.064 INFO [stderr] 
Nov 30 17:48:05.408 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
Nov 30 17:48:05.420 INFO [stderr] su: No module specific data is present
Nov 30 17:48:06.248 INFO running `"docker" "inspect" "e021d8dbe4721c94b068ba41a8d5d76db64061d76fa9e6f3d0f0c9c475442c10"`
Nov 30 17:48:06.582 INFO running `"docker" "rm" "-f" "e021d8dbe4721c94b068ba41a8d5d76db64061d76fa9e6f3d0f0c9c475442c10"`
Nov 30 17:48:06.920 INFO [stdout] e021d8dbe4721c94b068ba41a8d5d76db64061d76fa9e6f3d0f0c9c475442c10