Oct 12 18:45:28.710 INFO checking kpcyrd/defcon26-pow against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:45:28.710 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 18:45:29.220 INFO blam! 4c16b4f0af7b101f960727a8ec6cc1e97ac273f76720c8721dc41f879ab1c275
Oct 12 18:45:29.222 INFO running `"docker" "start" "-a" "4c16b4f0af7b101f960727a8ec6cc1e97ac273f76720c8721dc41f879ab1c275"`
Oct 12 18:45:30.259 INFO kablam! usermod: no changes
Oct 12 18:45:30.373 INFO kablam!     Checking num-bigint v0.1.43
Oct 12 18:45:32.471 INFO kablam!     Checking defcon26-pow v0.1.1 (/source)
Oct 12 18:45:33.764 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 12 18:45:33.764 INFO kablam!   --> src/main.rs:82:5
Oct 12 18:45:33.764 INFO kablam!    |
Oct 12 18:45:33.764 INFO kablam! 82 | /     children.into_iter()
Oct 12 18:45:33.764 INFO kablam! 83 | |         .map(|c| c.join().unwrap())
Oct 12 18:45:33.764 INFO kablam! 84 | |         .collect::<Vec<_>>();
Oct 12 18:45:33.764 INFO kablam!    | |_____________________________^
Oct 12 18:45:33.764 INFO kablam!    |
Oct 12 18:45:33.764 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 18:45:33.764 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 12 18:45:33.764 INFO kablam! 
Oct 12 18:45:33.784 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 12 18:45:33.784 INFO kablam!   --> src/main.rs:82:5
Oct 12 18:45:33.784 INFO kablam!    |
Oct 12 18:45:33.784 INFO kablam! 82 | /     children.into_iter()
Oct 12 18:45:33.784 INFO kablam! 83 | |         .map(|c| c.join().unwrap())
Oct 12 18:45:33.784 INFO kablam! 84 | |         .collect::<Vec<_>>();
Oct 12 18:45:33.784 INFO kablam!    | |_____________________________^
Oct 12 18:45:33.784 INFO kablam!    |
Oct 12 18:45:33.784 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 18:45:33.784 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 12 18:45:33.784 INFO kablam! 
Oct 12 18:45:33.833 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
Oct 12 18:45:33.837 INFO kablam! su: No module specific data is present
Oct 12 18:45:35.018 INFO running `"docker" "rm" "-f" "4c16b4f0af7b101f960727a8ec6cc1e97ac273f76720c8721dc41f879ab1c275"`
Oct 12 18:45:35.379 INFO blam! 4c16b4f0af7b101f960727a8ec6cc1e97ac273f76720c8721dc41f879ab1c275