Dec 17 15:28:04.377 INFO checking shybyte/exercises-in-programming-style-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:28:04.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/shybyte/exercises-in-programming-style-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:28:04.862 INFO [stdout] 15cad52f55bb7a89115d43f638929f46c03a8806d360a8e1d854ca0cd542aad8
Dec 17 15:28:04.864 INFO running `"docker" "start" "-a" "15cad52f55bb7a89115d43f638929f46c03a8806d360a8e1d854ca0cd542aad8"`
Dec 17 15:28:07.866 INFO [stderr]     Checking exercises_in_programming_style_rust v0.1.0 (/opt/crater/workdir)
Dec 17 15:28:08.517 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.517 INFO [stderr]   --> src/bin/04-cookbook.rs:16:5
Dec 17 15:28:08.517 INFO [stderr]    |
Dec 17 15:28:08.517 INFO [stderr] 16 |     /// Takes a path to a file and assigns the entire
Dec 17 15:28:08.517 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.517 INFO [stderr]    |
Dec 17 15:28:08.517 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 17 15:28:08.517 INFO [stderr] 
Dec 17 15:28:08.517 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.517 INFO [stderr]   --> src/bin/04-cookbook.rs:25:5
Dec 17 15:28:08.517 INFO [stderr]    |
Dec 17 15:28:08.517 INFO [stderr] 25 |     /// Replaces all nonalphanumeric chars in data with white space
Dec 17 15:28:08.517 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.517 INFO [stderr] 
Dec 17 15:28:08.517 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.517 INFO [stderr]   --> src/bin/04-cookbook.rs:36:5
Dec 17 15:28:08.517 INFO [stderr]    |
Dec 17 15:28:08.517 INFO [stderr] 36 |     /// Scans data for words, filling the global variable words
Dec 17 15:28:08.517 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.517 INFO [stderr] 
Dec 17 15:28:08.517 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.517 INFO [stderr]   --> src/bin/04-cookbook.rs:42:5
Dec 17 15:28:08.517 INFO [stderr]    |
Dec 17 15:28:08.517 INFO [stderr] 42 |     /// Scans data for words, filling the global variable words
Dec 17 15:28:08.518 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.518 INFO [stderr] 
Dec 17 15:28:08.518 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.518 INFO [stderr]   --> src/bin/04-cookbook.rs:61:5
Dec 17 15:28:08.518 INFO [stderr]    |
Dec 17 15:28:08.518 INFO [stderr] 61 |     /// Creates a list of pairs associating words with frequencies
Dec 17 15:28:08.518 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.518 INFO [stderr] 
Dec 17 15:28:08.518 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:08.518 INFO [stderr]   --> src/bin/04-cookbook.rs:73:5
Dec 17 15:28:08.518 INFO [stderr]    |
Dec 17 15:28:08.518 INFO [stderr] 73 |     /// Sorts word_freqs by frequency
Dec 17 15:28:08.518 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:08.518 INFO [stderr] 
Dec 17 15:28:09.628 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.628 INFO [stderr]   --> src/bin/04-cookbook.rs:16:5
Dec 17 15:28:09.628 INFO [stderr]    |
Dec 17 15:28:09.628 INFO [stderr] 16 |     /// Takes a path to a file and assigns the entire
Dec 17 15:28:09.628 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.628 INFO [stderr]    |
Dec 17 15:28:09.628 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 17 15:28:09.628 INFO [stderr] 
Dec 17 15:28:09.629 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.629 INFO [stderr]   --> src/bin/04-cookbook.rs:25:5
Dec 17 15:28:09.629 INFO [stderr]    |
Dec 17 15:28:09.629 INFO [stderr] 25 |     /// Replaces all nonalphanumeric chars in data with white space
Dec 17 15:28:09.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.629 INFO [stderr] 
Dec 17 15:28:09.629 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.629 INFO [stderr]   --> src/bin/04-cookbook.rs:36:5
Dec 17 15:28:09.629 INFO [stderr]    |
Dec 17 15:28:09.629 INFO [stderr] 36 |     /// Scans data for words, filling the global variable words
Dec 17 15:28:09.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.629 INFO [stderr] 
Dec 17 15:28:09.629 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.629 INFO [stderr]   --> src/bin/04-cookbook.rs:42:5
Dec 17 15:28:09.629 INFO [stderr]    |
Dec 17 15:28:09.629 INFO [stderr] 42 |     /// Scans data for words, filling the global variable words
Dec 17 15:28:09.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.629 INFO [stderr] 
Dec 17 15:28:09.629 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.629 INFO [stderr]   --> src/bin/04-cookbook.rs:61:5
Dec 17 15:28:09.629 INFO [stderr]    |
Dec 17 15:28:09.629 INFO [stderr] 61 |     /// Creates a list of pairs associating words with frequencies
Dec 17 15:28:09.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.629 INFO [stderr] 
Dec 17 15:28:09.629 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 15:28:09.629 INFO [stderr]   --> src/bin/04-cookbook.rs:73:5
Dec 17 15:28:09.629 INFO [stderr]    |
Dec 17 15:28:09.629 INFO [stderr] 73 |     /// Sorts word_freqs by frequency
Dec 17 15:28:09.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:28:09.629 INFO [stderr] 
Dec 17 15:28:11.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
Dec 17 15:28:12.747 INFO running `"docker" "inspect" "15cad52f55bb7a89115d43f638929f46c03a8806d360a8e1d854ca0cd542aad8"`
Dec 17 15:28:13.160 INFO running `"docker" "rm" "-f" "15cad52f55bb7a89115d43f638929f46c03a8806d360a8e1d854ca0cd542aad8"`
Dec 17 15:28:13.546 INFO [stdout] 15cad52f55bb7a89115d43f638929f46c03a8806d360a8e1d854ca0cd542aad8