Nov 27 22:12:50.452 INFO checking rcoverick/rust_dailyprogrammer against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 22:12:50.452 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 22:12:50.883 INFO [stdout] 96559cd08e46de40a9e65952de06ecaac09035b78dac6e90beadafa5c9f7db2d
Nov 27 22:12:50.885 INFO running `"docker" "start" "-a" "96559cd08e46de40a9e65952de06ecaac09035b78dac6e90beadafa5c9f7db2d"`
Nov 27 22:12:52.384 INFO [stderr] usermod: no changes
Nov 27 22:12:52.469 INFO [stderr]     Checking dailyprogrammer v0.1.0 (/source)
Nov 27 22:12:52.929 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 22:12:52.929 INFO [stderr]  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Nov 27 22:12:52.929 INFO [stderr]   |
Nov 27 22:12:52.929 INFO [stderr] 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Nov 27 22:12:52.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:12:52.929 INFO [stderr]   |
Nov 27 22:12:52.929 INFO [stderr]   = note: #[warn(unused_doc_comments)] on by default
Nov 27 22:12:52.929 INFO [stderr] 
Nov 27 22:12:52.936 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 27 22:12:52.936 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Nov 27 22:12:52.936 INFO [stderr]    |
Nov 27 22:12:52.936 INFO [stderr] 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Nov 27 22:12:52.936 INFO [stderr]    |                                ^^^^^^^^^^ help: remove these parentheses
Nov 27 22:12:52.936 INFO [stderr]    |
Nov 27 22:12:52.936 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 22:12:52.936 INFO [stderr] 
Nov 27 22:12:52.974 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 22:12:52.974 INFO [stderr]  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Nov 27 22:12:52.974 INFO [stderr]   |
Nov 27 22:12:52.974 INFO [stderr] 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Nov 27 22:12:52.974 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:12:52.974 INFO [stderr]   |
Nov 27 22:12:52.974 INFO [stderr]   = note: #[warn(unused_doc_comments)] on by default
Nov 27 22:12:52.974 INFO [stderr] 
Nov 27 22:12:52.974 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 27 22:12:52.974 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Nov 27 22:12:52.974 INFO [stderr]    |
Nov 27 22:12:52.974 INFO [stderr] 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Nov 27 22:12:52.974 INFO [stderr]    |                                ^^^^^^^^^^ help: remove these parentheses
Nov 27 22:12:52.974 INFO [stderr]    |
Nov 27 22:12:52.974 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 22:12:52.974 INFO [stderr] 
Nov 27 22:12:53.415 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:12:53.415 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Nov 27 22:12:53.416 INFO [stderr]    |
Nov 27 22:12:53.416 INFO [stderr] 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Nov 27 22:12:53.416 INFO [stderr]    |                                         ----^
Nov 27 22:12:53.417 INFO [stderr]    |                                         |
Nov 27 22:12:53.417 INFO [stderr]    |                                         help: remove this `mut`
Nov 27 22:12:53.417 INFO [stderr]    |
Nov 27 22:12:53.417 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:12:53.418 INFO [stderr] 
Nov 27 22:12:53.430 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:12:53.431 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Nov 27 22:12:53.431 INFO [stderr]    |
Nov 27 22:12:53.431 INFO [stderr] 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Nov 27 22:12:53.431 INFO [stderr]    |                                         ----^
Nov 27 22:12:53.432 INFO [stderr]    |                                         |
Nov 27 22:12:53.432 INFO [stderr]    |                                         help: remove this `mut`
Nov 27 22:12:53.432 INFO [stderr]    |
Nov 27 22:12:53.433 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:12:53.433 INFO [stderr] 
Nov 27 22:12:53.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Nov 27 22:12:53.860 INFO [stderr] su: No module specific data is present
Nov 27 22:12:54.737 INFO running `"docker" "inspect" "96559cd08e46de40a9e65952de06ecaac09035b78dac6e90beadafa5c9f7db2d"`
Nov 27 22:12:54.954 INFO running `"docker" "rm" "-f" "96559cd08e46de40a9e65952de06ecaac09035b78dac6e90beadafa5c9f7db2d"`
Nov 27 22:12:55.227 INFO [stdout] 96559cd08e46de40a9e65952de06ecaac09035b78dac6e90beadafa5c9f7db2d