Nov 29 19:57:36.072 INFO checking rcoverick/rust_dailyprogrammer against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 19:57:36.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 19:57:36.445 INFO [stdout] 90448bae1823a734c233eab8e79d52e619db5f67d212fcaedd5c1bd368e48cc7
Nov 29 19:57:36.450 INFO running `"docker" "start" "-a" "90448bae1823a734c233eab8e79d52e619db5f67d212fcaedd5c1bd368e48cc7"`
Nov 29 19:57:37.616 INFO [stderr] usermod: no changes
Nov 29 19:57:37.722 INFO [stderr]     Checking dailyprogrammer v0.1.0 (/source)
Nov 29 19:57:38.208 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 19:57:38.208 INFO [stderr]  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Nov 29 19:57:38.208 INFO [stderr]   |
Nov 29 19:57:38.208 INFO [stderr] 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Nov 29 19:57:38.208 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:57:38.220 INFO [stderr]   |
Nov 29 19:57:38.220 INFO [stderr]   = note: #[warn(unused_doc_comments)] on by default
Nov 29 19:57:38.220 INFO [stderr] 
Nov 29 19:57:38.221 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 29 19:57:38.221 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Nov 29 19:57:38.221 INFO [stderr]    |
Nov 29 19:57:38.221 INFO [stderr] 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Nov 29 19:57:38.221 INFO [stderr]    |                                ^^^^^^^^^^ help: remove these parentheses
Nov 29 19:57:38.222 INFO [stderr]    |
Nov 29 19:57:38.222 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 29 19:57:38.222 INFO [stderr] 
Nov 29 19:57:38.260 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 19:57:38.260 INFO [stderr]  --> src/challenge/easy/pandigital_roman_numbers.rs:3:5
Nov 29 19:57:38.260 INFO [stderr]   |
Nov 29 19:57:38.260 INFO [stderr] 3 |     ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. 
Nov 29 19:57:38.261 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:57:38.261 INFO [stderr]   |
Nov 29 19:57:38.261 INFO [stderr]   = note: #[warn(unused_doc_comments)] on by default
Nov 29 19:57:38.262 INFO [stderr] 
Nov 29 19:57:38.263 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 29 19:57:38.263 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:20:32
Nov 29 19:57:38.263 INFO [stderr]    |
Nov 29 19:57:38.264 INFO [stderr] 20 |     io::stdin().read_to_string((&mut buf)).unwrap();
Nov 29 19:57:38.264 INFO [stderr]    |                                ^^^^^^^^^^ help: remove these parentheses
Nov 29 19:57:38.264 INFO [stderr]    |
Nov 29 19:57:38.268 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 29 19:57:38.268 INFO [stderr] 
Nov 29 19:57:38.646 INFO [stderr] warning: variable does not need to be mutable
Nov 29 19:57:38.646 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Nov 29 19:57:38.646 INFO [stderr]    |
Nov 29 19:57:38.646 INFO [stderr] 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Nov 29 19:57:38.646 INFO [stderr]    |                                         ----^
Nov 29 19:57:38.646 INFO [stderr]    |                                         |
Nov 29 19:57:38.646 INFO [stderr]    |                                         help: remove this `mut`
Nov 29 19:57:38.646 INFO [stderr]    |
Nov 29 19:57:38.646 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 19:57:38.646 INFO [stderr] 
Nov 29 19:57:38.709 INFO [stderr] warning: variable does not need to be mutable
Nov 29 19:57:38.709 INFO [stderr]   --> src/challenge/intermediate/pgm_manipulation.rs:38:41
Nov 29 19:57:38.709 INFO [stderr]    |
Nov 29 19:57:38.709 INFO [stderr] 38 |     res.chunks_mut(width as usize).map(|mut x| x.reverse()).count();
Nov 29 19:57:38.709 INFO [stderr]    |                                         ----^
Nov 29 19:57:38.709 INFO [stderr]    |                                         |
Nov 29 19:57:38.709 INFO [stderr]    |                                         help: remove this `mut`
Nov 29 19:57:38.713 INFO [stderr]    |
Nov 29 19:57:38.714 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 19:57:38.714 INFO [stderr] 
Nov 29 19:57:39.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Nov 29 19:57:39.116 INFO [stderr] su: No module specific data is present
Nov 29 19:57:39.436 INFO running `"docker" "inspect" "90448bae1823a734c233eab8e79d52e619db5f67d212fcaedd5c1bd368e48cc7"`
Nov 29 19:57:39.590 INFO running `"docker" "rm" "-f" "90448bae1823a734c233eab8e79d52e619db5f67d212fcaedd5c1bd368e48cc7"`
Nov 29 19:57:39.697 INFO [stdout] 90448bae1823a734c233eab8e79d52e619db5f67d212fcaedd5c1bd368e48cc7