Oct 12 15:13:32.579 INFO checking rcoverick/rust_dailyprogrammer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:13:32.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 15:13:32.993 INFO blam! 07dbe3e537ce046912a7bb556a82f062649cfee8efcb168c8133b9cc8c367746
Oct 12 15:13:32.994 INFO running `"docker" "start" "-a" "07dbe3e537ce046912a7bb556a82f062649cfee8efcb168c8133b9cc8c367746"`
Oct 12 15:13:33.856 INFO kablam! usermod: no changes
Oct 12 15:13:33.960 INFO kablam!     Checking dailyprogrammer v0.1.0 (/source)
Oct 12 15:13:34.312 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 15:13:34.312 INFO kablam!  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Oct 12 15:13:34.312 INFO kablam!   |
Oct 12 15:13:34.312 INFO kablam! 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Oct 12 15:13:34.312 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:13:34.312 INFO kablam!   |
Oct 12 15:13:34.312 INFO kablam!   = note: #[warn(unused_doc_comments)] on by default
Oct 12 15:13:34.312 INFO kablam! 
Oct 12 15:13:34.312 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 15:13:34.312 INFO kablam!   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Oct 12 15:13:34.312 INFO kablam!    |
Oct 12 15:13:34.312 INFO kablam! 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Oct 12 15:13:34.312 INFO kablam!    |                                ^^^^^^^^^^ help: remove these parentheses
Oct 12 15:13:34.312 INFO kablam!    |
Oct 12 15:13:34.312 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 15:13:34.312 INFO kablam! 
Oct 12 15:13:34.631 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 15:13:34.631 INFO kablam!  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Oct 12 15:13:34.632 INFO kablam!   |
Oct 12 15:13:34.632 INFO kablam! 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Oct 12 15:13:34.632 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:13:34.633 INFO kablam!   |
Oct 12 15:13:34.633 INFO kablam!   = note: #[warn(unused_doc_comments)] on by default
Oct 12 15:13:34.633 INFO kablam! 
Oct 12 15:13:34.633 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 15:13:34.634 INFO kablam!   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Oct 12 15:13:34.634 INFO kablam!    |
Oct 12 15:13:34.634 INFO kablam! 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Oct 12 15:13:34.635 INFO kablam!    |                                ^^^^^^^^^^ help: remove these parentheses
Oct 12 15:13:34.635 INFO kablam!    |
Oct 12 15:13:34.635 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 15:13:34.635 INFO kablam! 
Oct 12 15:13:34.904 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:13:34.904 INFO kablam!   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Oct 12 15:13:34.904 INFO kablam!    |
Oct 12 15:13:34.904 INFO kablam! 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Oct 12 15:13:34.904 INFO kablam!    |                                         ----^
Oct 12 15:13:34.904 INFO kablam!    |                                         |
Oct 12 15:13:34.904 INFO kablam!    |                                         help: remove this `mut`
Oct 12 15:13:34.904 INFO kablam!    |
Oct 12 15:13:34.904 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:13:34.904 INFO kablam! 
Oct 12 15:13:35.196 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:13:35.196 INFO kablam!   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Oct 12 15:13:35.196 INFO kablam!    |
Oct 12 15:13:35.196 INFO kablam! 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Oct 12 15:13:35.196 INFO kablam!    |                                         ----^
Oct 12 15:13:35.196 INFO kablam!    |                                         |
Oct 12 15:13:35.196 INFO kablam!    |                                         help: remove this `mut`
Oct 12 15:13:35.196 INFO kablam!    |
Oct 12 15:13:35.196 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:13:35.196 INFO kablam! 
Oct 12 15:13:35.407 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Oct 12 15:13:35.412 INFO kablam! su: No module specific data is present
Oct 12 15:13:35.969 INFO running `"docker" "rm" "-f" "07dbe3e537ce046912a7bb556a82f062649cfee8efcb168c8133b9cc8c367746"`
Oct 12 15:13:36.328 INFO blam! 07dbe3e537ce046912a7bb556a82f062649cfee8efcb168c8133b9cc8c367746