Oct 13 10:37:21.405 INFO checking prophet-0.4.2 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 10:37:21.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 10:37:21.878 INFO blam! 04c800a29a9113d04ec9d21a7fceb96a79205e9c1807a81689b5b670a9b43a81
Oct 13 10:37:21.879 INFO running `"docker" "start" "-a" "04c800a29a9113d04ec9d21a7fceb96a79205e9c1807a81689b5b670a9b43a81"`
Oct 13 10:37:23.984 INFO kablam! usermod: no changes
Oct 13 10:37:24.102 INFO kablam!    Compiling ndarray v0.10.14
Oct 13 10:37:34.780 INFO kablam!     Checking ndarray-rand v0.6.1
Oct 13 10:37:36.248 INFO kablam!     Checking prophet v0.4.2 (/source)
Oct 13 10:37:40.317 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Oct 13 10:37:40.317 INFO kablam!    --> src/neural_net.rs:418:4
Oct 13 10:37:40.318 INFO kablam!     |
Oct 13 10:37:40.318 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Oct 13 10:37:40.318 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:37:40.318 INFO kablam!     |
Oct 13 10:37:40.318 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 10:37:40.318 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Oct 13 10:37:40.319 INFO kablam! 
Oct 13 10:37:42.872 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
Oct 13 10:37:42.884 INFO kablam! su: No module specific data is present
Oct 13 10:37:43.495 INFO running `"docker" "rm" "-f" "04c800a29a9113d04ec9d21a7fceb96a79205e9c1807a81689b5b670a9b43a81"`
Oct 13 10:37:43.802 INFO blam! 04c800a29a9113d04ec9d21a7fceb96a79205e9c1807a81689b5b670a9b43a81