Sep 21 05:25:35.763 INFO checking prophet-0.4.2 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 05:25:35.763 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 05:25:35.764 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:25:36.038 INFO blam! 722a2f2781e733881d1a412448b6e0d6ec933b72f86d360953dab726015d3928
Sep 21 05:25:36.038 INFO running `"docker" "start" "-a" "722a2f2781e733881d1a412448b6e0d6ec933b72f86d360953dab726015d3928"`
Sep 21 05:25:37.594 INFO kablam! usermod: no changes
Sep 21 05:25:37.763 INFO kablam!    Compiling ndarray v0.10.14
Sep 21 05:25:47.479 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 21 05:25:48.095 INFO kablam!     Checking prophet v0.4.2 (/source)
Sep 21 05:25:50.778 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 21 05:25:50.778 INFO kablam!    --> src/neural_net.rs:418:4
Sep 21 05:25:50.778 INFO kablam!     |
Sep 21 05:25:50.778 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 21 05:25:50.778 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:25:50.778 INFO kablam!     |
Sep 21 05:25:50.778 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 05:25:50.778 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 21 05:25:50.778 INFO kablam! 
Sep 21 05:25:51.885 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
Sep 21 05:25:51.900 INFO kablam! su: No module specific data is present
Sep 21 05:25:53.410 INFO running `"docker" "rm" "-f" "722a2f2781e733881d1a412448b6e0d6ec933b72f86d360953dab726015d3928"`
Sep 21 05:25:53.527 INFO blam! 722a2f2781e733881d1a412448b6e0d6ec933b72f86d360953dab726015d3928