Nov 30 17:47:44.614 INFO checking prophet-0.4.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 17:47:44.614 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 17:47:45.054 INFO [stdout] 574ab511cc05aabba13211a51ddc20f7a4056c3402f6b41038bd344cdcb7e582
Nov 30 17:47:45.064 INFO running `"docker" "start" "-a" "574ab511cc05aabba13211a51ddc20f7a4056c3402f6b41038bd344cdcb7e582"`
Nov 30 17:47:47.211 INFO [stderr] usermod: no changes
Nov 30 17:47:47.340 INFO [stderr]    Compiling ndarray v0.10.14
Nov 30 17:47:57.108 INFO [stderr]     Checking ndarray-rand v0.6.1
Nov 30 17:47:58.465 INFO [stderr]     Checking prophet v0.4.2 (/source)
Nov 30 17:48:02.272 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 30 17:48:02.272 INFO [stderr]    --> src/neural_net.rs:418:4
Nov 30 17:48:02.272 INFO [stderr]     |
Nov 30 17:48:02.272 INFO [stderr] 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 30 17:48:02.272 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 17:48:02.272 INFO [stderr]     |
Nov 30 17:48:02.272 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 17:48:02.272 INFO [stderr]     = note: cloning is often expensive and is not expected to have side effects
Nov 30 17:48:02.273 INFO [stderr] 
Nov 30 17:48:05.670 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.42s
Nov 30 17:48:05.678 INFO [stderr] su: No module specific data is present
Nov 30 17:48:06.590 INFO running `"docker" "inspect" "574ab511cc05aabba13211a51ddc20f7a4056c3402f6b41038bd344cdcb7e582"`
Nov 30 17:48:06.892 INFO running `"docker" "rm" "-f" "574ab511cc05aabba13211a51ddc20f7a4056c3402f6b41038bd344cdcb7e582"`
Nov 30 17:48:07.212 INFO [stdout] 574ab511cc05aabba13211a51ddc20f7a4056c3402f6b41038bd344cdcb7e582