Nov 03 03:53:54.603 INFO checking prophet-0.4.2 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 03:53:54.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 03:53:54.806 INFO blam! b291b32d5ec77c3261c605fa91a41fd747ea5672ef0e9e79bb816fe2562bf94e
Nov 03 03:53:54.807 INFO running `"docker" "start" "-a" "b291b32d5ec77c3261c605fa91a41fd747ea5672ef0e9e79bb816fe2562bf94e"`
Nov 03 03:53:55.959 INFO kablam! usermod: no changes
Nov 03 03:53:56.092 INFO kablam!    Compiling ndarray v0.10.14
Nov 03 03:54:06.135 INFO kablam!     Checking ndarray-rand v0.6.1
Nov 03 03:54:07.701 INFO kablam!     Checking prophet v0.4.2 (/source)
Nov 03 03:54:12.417 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 03 03:54:12.417 INFO kablam!    --> src/neural_net.rs:418:4
Nov 03 03:54:12.417 INFO kablam!     |
Nov 03 03:54:12.418 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Nov 03 03:54:12.418 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 03:54:12.418 INFO kablam!     |
Nov 03 03:54:12.419 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 03:54:12.419 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Nov 03 03:54:12.419 INFO kablam! 
Nov 03 03:54:14.832 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
Nov 03 03:54:14.854 INFO kablam! su: No module specific data is present
Nov 03 03:54:15.844 INFO running `"docker" "rm" "-f" "b291b32d5ec77c3261c605fa91a41fd747ea5672ef0e9e79bb816fe2562bf94e"`
Nov 03 03:54:16.116 INFO blam! b291b32d5ec77c3261c605fa91a41fd747ea5672ef0e9e79bb816fe2562bf94e