Dec 18 03:59:51.324 INFO checking andysalerno/explain_rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:59:51.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/andysalerno/explain_rs:/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 18 03:59:51.740 INFO [stdout] 11f1b37f95cf7c45eb5910499f12a894d96bedf923c3cf259e8882129efc6de5
Dec 18 03:59:51.748 INFO running `"docker" "start" "-a" "11f1b37f95cf7c45eb5910499f12a894d96bedf923c3cf259e8882129efc6de5"`
Dec 18 03:59:53.249 INFO [stderr]     Checking explain_rs v0.1.0 (/opt/crater/workdir)
Dec 18 03:59:53.875 INFO [stderr] warning: unused variable: `difference`
Dec 18 03:59:53.875 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
Dec 18 03:59:53.875 INFO [stderr]     |
Dec 18 03:59:53.875 INFO [stderr] 262 |         let difference = text_start_pos - count_whitespace;
Dec 18 03:59:53.875 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_difference` instead
Dec 18 03:59:53.875 INFO [stderr]     |
Dec 18 03:59:53.875 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:59:53.875 INFO [stderr] 
Dec 18 03:59:53.937 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:59:53.937 INFO [stderr]    --> src/man_parse/troff_parser.rs:338:13
Dec 18 03:59:53.937 INFO [stderr]     |
Dec 18 03:59:53.938 INFO [stderr] 338 |         let mut pops = if let Some(tok) = decrease_arg {
Dec 18 03:59:53.938 INFO [stderr]     |             ----^^^^
Dec 18 03:59:53.938 INFO [stderr]     |             |
Dec 18 03:59:53.938 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:59:53.938 INFO [stderr]     |
Dec 18 03:59:53.938 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:59:53.938 INFO [stderr] 
Dec 18 03:59:53.988 INFO [stderr] warning: variant is never constructed: `Underlined`
Dec 18 03:59:53.988 INFO [stderr]   --> src/man_parse/term_writer/font_style.rs:16:5
Dec 18 03:59:53.988 INFO [stderr]    |
Dec 18 03:59:53.988 INFO [stderr] 16 |     Underlined,
Dec 18 03:59:53.988 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 03:59:53.988 INFO [stderr]    |
Dec 18 03:59:53.988 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:59:53.988 INFO [stderr] 
Dec 18 03:59:53.988 INFO [stderr] warning: variant is never constructed: `NonWhitespace`
Dec 18 03:59:53.988 INFO [stderr]  --> src/man_parse/term_writer/line_info.rs:9:5
Dec 18 03:59:53.988 INFO [stderr]   |
Dec 18 03:59:53.988 INFO [stderr] 9 |     NonWhitespace,
Dec 18 03:59:53.988 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 03:59:53.988 INFO [stderr] 
Dec 18 03:59:53.988 INFO [stderr] warning: method is never used: `disable_debug`
Dec 18 03:59:53.988 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:82:5
Dec 18 03:59:53.988 INFO [stderr]    |
Dec 18 03:59:53.988 INFO [stderr] 82 |     pub fn disable_debug(&mut self) {
Dec 18 03:59:53.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:53.988 INFO [stderr] 
Dec 18 03:59:53.988 INFO [stderr] warning: method is never used: `indent`
Dec 18 03:59:53.988 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:91:5
Dec 18 03:59:53.988 INFO [stderr]    |
Dec 18 03:59:53.988 INFO [stderr] 91 |     pub fn indent(&self) -> usize {
Dec 18 03:59:53.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:53.988 INFO [stderr] 
Dec 18 03:59:53.988 INFO [stderr] warning: method is never used: `default_indent`
Dec 18 03:59:53.988 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:189:5
Dec 18 03:59:53.988 INFO [stderr]     |
Dec 18 03:59:53.988 INFO [stderr] 189 |     pub fn default_indent(&mut self) {
Dec 18 03:59:53.988 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:53.988 INFO [stderr] 
Dec 18 03:59:54.268 INFO [stderr] warning: unused variable: `difference`
Dec 18 03:59:54.268 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
Dec 18 03:59:54.268 INFO [stderr]     |
Dec 18 03:59:54.268 INFO [stderr] 262 |         let difference = text_start_pos - count_whitespace;
Dec 18 03:59:54.269 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_difference` instead
Dec 18 03:59:54.269 INFO [stderr]     |
Dec 18 03:59:54.269 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:59:54.270 INFO [stderr] 
Dec 18 03:59:54.317 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:59:54.317 INFO [stderr]    --> src/man_parse/troff_parser.rs:338:13
Dec 18 03:59:54.318 INFO [stderr]     |
Dec 18 03:59:54.318 INFO [stderr] 338 |         let mut pops = if let Some(tok) = decrease_arg {
Dec 18 03:59:54.318 INFO [stderr]     |             ----^^^^
Dec 18 03:59:54.318 INFO [stderr]     |             |
Dec 18 03:59:54.319 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:59:54.319 INFO [stderr]     |
Dec 18 03:59:54.320 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:59:54.320 INFO [stderr] 
Dec 18 03:59:54.400 INFO [stderr] warning: variant is never constructed: `Underlined`
Dec 18 03:59:54.401 INFO [stderr]   --> src/man_parse/term_writer/font_style.rs:16:5
Dec 18 03:59:54.401 INFO [stderr]    |
Dec 18 03:59:54.401 INFO [stderr] 16 |     Underlined,
Dec 18 03:59:54.402 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 03:59:54.402 INFO [stderr]    |
Dec 18 03:59:54.402 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:59:54.402 INFO [stderr] 
Dec 18 03:59:54.402 INFO [stderr] warning: variant is never constructed: `NonWhitespace`
Dec 18 03:59:54.402 INFO [stderr]  --> src/man_parse/term_writer/line_info.rs:9:5
Dec 18 03:59:54.402 INFO [stderr]   |
Dec 18 03:59:54.402 INFO [stderr] 9 |     NonWhitespace,
Dec 18 03:59:54.402 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 03:59:54.402 INFO [stderr] 
Dec 18 03:59:54.402 INFO [stderr] warning: method is never used: `disable_debug`
Dec 18 03:59:54.402 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:82:5
Dec 18 03:59:54.402 INFO [stderr]    |
Dec 18 03:59:54.402 INFO [stderr] 82 |     pub fn disable_debug(&mut self) {
Dec 18 03:59:54.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:54.402 INFO [stderr] 
Dec 18 03:59:54.402 INFO [stderr] warning: method is never used: `indent`
Dec 18 03:59:54.402 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:91:5
Dec 18 03:59:54.402 INFO [stderr]    |
Dec 18 03:59:54.402 INFO [stderr] 91 |     pub fn indent(&self) -> usize {
Dec 18 03:59:54.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:54.402 INFO [stderr] 
Dec 18 03:59:54.402 INFO [stderr] warning: method is never used: `default_indent`
Dec 18 03:59:54.402 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:189:5
Dec 18 03:59:54.402 INFO [stderr]     |
Dec 18 03:59:54.402 INFO [stderr] 189 |     pub fn default_indent(&mut self) {
Dec 18 03:59:54.402 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:59:54.402 INFO [stderr] 
Dec 18 03:59:54.477 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 18 03:59:55.118 INFO running `"docker" "inspect" "11f1b37f95cf7c45eb5910499f12a894d96bedf923c3cf259e8882129efc6de5"`
Dec 18 03:59:55.383 INFO running `"docker" "rm" "-f" "11f1b37f95cf7c45eb5910499f12a894d96bedf923c3cf259e8882129efc6de5"`
Dec 18 03:59:55.599 INFO [stdout] 11f1b37f95cf7c45eb5910499f12a894d96bedf923c3cf259e8882129efc6de5