Nov 28 20:20:40.715 INFO checking prophet-0.4.2 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 20:20:40.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 20:20:41.189 INFO [stdout] d720509e235ee91a89f010b2a8cac616f98e8e4ff8bb488f2934778750dee203
Nov 28 20:20:41.191 INFO running `"docker" "start" "-a" "d720509e235ee91a89f010b2a8cac616f98e8e4ff8bb488f2934778750dee203"`
Nov 28 20:20:43.523 INFO [stderr] usermod: no changes
Nov 28 20:20:43.676 INFO [stderr]    Compiling ndarray v0.10.14
Nov 28 20:20:53.451 INFO [stderr]     Checking ndarray-rand v0.6.1
Nov 28 20:20:54.581 INFO [stderr]     Checking prophet v0.4.2 (/source)
Nov 28 20:20:59.944 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 28 20:20:59.944 INFO [stderr]    --> src/neural_net.rs:418:4
Nov 28 20:20:59.944 INFO [stderr]     |
Nov 28 20:20:59.944 INFO [stderr] 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 28 20:20:59.944 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:20:59.944 INFO [stderr]     |
Nov 28 20:20:59.944 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 20:20:59.944 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Nov 28 20:20:59.944 INFO [stderr] 
Nov 28 20:21:01.906 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.33s
Nov 28 20:21:01.913 INFO [stderr] su: No module specific data is present
Nov 28 20:21:03.298 INFO running `"docker" "inspect" "d720509e235ee91a89f010b2a8cac616f98e8e4ff8bb488f2934778750dee203"`
Nov 28 20:21:03.678 INFO running `"docker" "rm" "-f" "d720509e235ee91a89f010b2a8cac616f98e8e4ff8bb488f2934778750dee203"`
Nov 28 20:21:04.009 INFO [stdout] d720509e235ee91a89f010b2a8cac616f98e8e4ff8bb488f2934778750dee203