Dec 04 22:34:20.459 INFO checking andysalerno/explain_rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:34:20.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 22:34:20.745 INFO [stdout] 98f86f8964a34ee5b4bc9697b46bd08f1904cf6409f1adaaf44634cf3d30d33d
Dec 04 22:34:20.749 INFO running `"docker" "start" "-a" "98f86f8964a34ee5b4bc9697b46bd08f1904cf6409f1adaaf44634cf3d30d33d"`
Dec 04 22:34:21.276 INFO [stderr] usermod: no changes
Dec 04 22:34:21.306 INFO [stderr]     Checking explain_rs v0.1.0 (/source)
Dec 04 22:34:22.003 INFO [stderr] warning: unused variable: `difference`
Dec 04 22:34:22.003 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
Dec 04 22:34:22.003 INFO [stderr]     |
Dec 04 22:34:22.003 INFO [stderr] 262 |         let difference = text_start_pos - count_whitespace;
Dec 04 22:34:22.003 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_difference` instead
Dec 04 22:34:22.003 INFO [stderr]     |
Dec 04 22:34:22.003 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 22:34:22.003 INFO [stderr] 
Dec 04 22:34:22.056 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:34:22.056 INFO [stderr]    --> src/man_parse/troff_parser.rs:338:13
Dec 04 22:34:22.056 INFO [stderr]     |
Dec 04 22:34:22.056 INFO [stderr] 338 |         let mut pops = if let Some(tok) = decrease_arg {
Dec 04 22:34:22.056 INFO [stderr]     |             ----^^^^
Dec 04 22:34:22.056 INFO [stderr]     |             |
Dec 04 22:34:22.056 INFO [stderr]     |             help: remove this `mut`
Dec 04 22:34:22.056 INFO [stderr]     |
Dec 04 22:34:22.056 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 22:34:22.056 INFO [stderr] 
Dec 04 22:34:22.099 INFO [stderr] warning: variant is never constructed: `Underlined`
Dec 04 22:34:22.099 INFO [stderr]   --> src/man_parse/term_writer/font_style.rs:16:5
Dec 04 22:34:22.099 INFO [stderr]    |
Dec 04 22:34:22.099 INFO [stderr] 16 |     Underlined,
Dec 04 22:34:22.099 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 22:34:22.099 INFO [stderr]    |
Dec 04 22:34:22.099 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:34:22.099 INFO [stderr] 
Dec 04 22:34:22.099 INFO [stderr] warning: variant is never constructed: `NonWhitespace`
Dec 04 22:34:22.099 INFO [stderr]  --> src/man_parse/term_writer/line_info.rs:9:5
Dec 04 22:34:22.099 INFO [stderr]   |
Dec 04 22:34:22.099 INFO [stderr] 9 |     NonWhitespace,
Dec 04 22:34:22.099 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 22:34:22.099 INFO [stderr] 
Dec 04 22:34:22.099 INFO [stderr] warning: method is never used: `disable_debug`
Dec 04 22:34:22.099 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:82:5
Dec 04 22:34:22.099 INFO [stderr]    |
Dec 04 22:34:22.099 INFO [stderr] 82 |     pub fn disable_debug(&mut self) {
Dec 04 22:34:22.099 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.099 INFO [stderr] 
Dec 04 22:34:22.099 INFO [stderr] warning: method is never used: `indent`
Dec 04 22:34:22.099 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:91:5
Dec 04 22:34:22.099 INFO [stderr]    |
Dec 04 22:34:22.099 INFO [stderr] 91 |     pub fn indent(&self) -> usize {
Dec 04 22:34:22.099 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.099 INFO [stderr] 
Dec 04 22:34:22.099 INFO [stderr] warning: method is never used: `default_indent`
Dec 04 22:34:22.099 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:189:5
Dec 04 22:34:22.099 INFO [stderr]     |
Dec 04 22:34:22.099 INFO [stderr] 189 |     pub fn default_indent(&mut self) {
Dec 04 22:34:22.099 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.099 INFO [stderr] 
Dec 04 22:34:22.185 INFO [stderr] warning: unused variable: `difference`
Dec 04 22:34:22.187 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
Dec 04 22:34:22.187 INFO [stderr]     |
Dec 04 22:34:22.187 INFO [stderr] 262 |         let difference = text_start_pos - count_whitespace;
Dec 04 22:34:22.187 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_difference` instead
Dec 04 22:34:22.187 INFO [stderr]     |
Dec 04 22:34:22.187 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 22:34:22.187 INFO [stderr] 
Dec 04 22:34:22.230 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:34:22.230 INFO [stderr]    --> src/man_parse/troff_parser.rs:338:13
Dec 04 22:34:22.230 INFO [stderr]     |
Dec 04 22:34:22.230 INFO [stderr] 338 |         let mut pops = if let Some(tok) = decrease_arg {
Dec 04 22:34:22.230 INFO [stderr]     |             ----^^^^
Dec 04 22:34:22.230 INFO [stderr]     |             |
Dec 04 22:34:22.230 INFO [stderr]     |             help: remove this `mut`
Dec 04 22:34:22.230 INFO [stderr]     |
Dec 04 22:34:22.230 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 22:34:22.230 INFO [stderr] 
Dec 04 22:34:22.298 INFO [stderr] warning: variant is never constructed: `Underlined`
Dec 04 22:34:22.298 INFO [stderr]   --> src/man_parse/term_writer/font_style.rs:16:5
Dec 04 22:34:22.298 INFO [stderr]    |
Dec 04 22:34:22.298 INFO [stderr] 16 |     Underlined,
Dec 04 22:34:22.298 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 22:34:22.298 INFO [stderr]    |
Dec 04 22:34:22.298 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:34:22.298 INFO [stderr] 
Dec 04 22:34:22.298 INFO [stderr] warning: variant is never constructed: `NonWhitespace`
Dec 04 22:34:22.298 INFO [stderr]  --> src/man_parse/term_writer/line_info.rs:9:5
Dec 04 22:34:22.298 INFO [stderr]   |
Dec 04 22:34:22.298 INFO [stderr] 9 |     NonWhitespace,
Dec 04 22:34:22.298 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 22:34:22.299 INFO [stderr] 
Dec 04 22:34:22.299 INFO [stderr] warning: method is never used: `disable_debug`
Dec 04 22:34:22.299 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:82:5
Dec 04 22:34:22.299 INFO [stderr]    |
Dec 04 22:34:22.299 INFO [stderr] 82 |     pub fn disable_debug(&mut self) {
Dec 04 22:34:22.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.299 INFO [stderr] 
Dec 04 22:34:22.299 INFO [stderr] warning: method is never used: `indent`
Dec 04 22:34:22.299 INFO [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:91:5
Dec 04 22:34:22.299 INFO [stderr]    |
Dec 04 22:34:22.299 INFO [stderr] 91 |     pub fn indent(&self) -> usize {
Dec 04 22:34:22.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.299 INFO [stderr] 
Dec 04 22:34:22.299 INFO [stderr] warning: method is never used: `default_indent`
Dec 04 22:34:22.299 INFO [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:189:5
Dec 04 22:34:22.299 INFO [stderr]     |
Dec 04 22:34:22.299 INFO [stderr] 189 |     pub fn default_indent(&mut self) {
Dec 04 22:34:22.299 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:34:22.299 INFO [stderr] 
Dec 04 22:34:22.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 04 22:34:22.327 INFO [stderr] su: No module specific data is present
Dec 04 22:34:22.645 INFO running `"docker" "inspect" "98f86f8964a34ee5b4bc9697b46bd08f1904cf6409f1adaaf44634cf3d30d33d"`
Dec 04 22:34:22.740 INFO running `"docker" "rm" "-f" "98f86f8964a34ee5b4bc9697b46bd08f1904cf6409f1adaaf44634cf3d30d33d"`
Dec 04 22:34:22.839 INFO [stdout] 98f86f8964a34ee5b4bc9697b46bd08f1904cf6409f1adaaf44634cf3d30d33d