[INFO] cloning repository https://github.com/andysalerno/explain_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andysalerno/explain_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Fexplain_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Fexplain_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 211aa5f0405032834f15a99ad837b620b173d1e5
[INFO] testing andysalerno/explain_rs against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Fexplain_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andysalerno/explain_rs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andysalerno/explain_rs
[INFO] finished tweaking git repo https://github.com/andysalerno/explain_rs
[INFO] tweaked toml for git repo https://github.com/andysalerno/explain_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andysalerno/explain_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a82f50ed2b5a44e8e8bac015bc9686c576eeb73e5b717f10ce3e2602265f69d0
[INFO] running `Command { std: "docker" "start" "-a" "a82f50ed2b5a44e8e8bac015bc9686c576eeb73e5b717f10ce3e2602265f69d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a82f50ed2b5a44e8e8bac015bc9686c576eeb73e5b717f10ce3e2602265f69d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82f50ed2b5a44e8e8bac015bc9686c576eeb73e5b717f10ce3e2602265f69d0", kill_on_drop: false }`
[INFO] [stdout] a82f50ed2b5a44e8e8bac015bc9686c576eeb73e5b717f10ce3e2602265f69d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e45cea7ede9cb6dd1c48d206a74020914ae270ecbffad9a498333c9337303f
[INFO] running `Command { std: "docker" "start" "-a" "62e45cea7ede9cb6dd1c48d206a74020914ae270ecbffad9a498333c9337303f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling explain_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/simple_parser/tokenizer.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &dyn TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stdout]   |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difference`
[INFO] [stdout]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let difference = text_start_pos - count_whitespace;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/man_parse/troff_parser.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut pops = if let Some(tok) = decrease_arg {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Underlined` is never constructed
[INFO] [stdout]   --> src/man_parse/term_writer/font_style.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum FontStyle {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Underlined,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FontStyle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NonWhitespace` is never constructed
[INFO] [stdout]  --> src/man_parse/term_writer/line_info.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum LengthRule {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 8 |     Whitespace,
[INFO] [stdout] 9 |     NonWhitespace,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disable_debug` is never used
[INFO] [stdout]   --> src/man_parse/term_writer/troff_term_writer.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn disable_debug(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `indent` is never used
[INFO] [stdout]   --> src/man_parse/term_writer/troff_term_writer.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn indent(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `default_indent` is never used
[INFO] [stdout]    --> src/man_parse/term_writer/troff_term_writer.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn default_indent(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "62e45cea7ede9cb6dd1c48d206a74020914ae270ecbffad9a498333c9337303f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e45cea7ede9cb6dd1c48d206a74020914ae270ecbffad9a498333c9337303f", kill_on_drop: false }`
[INFO] [stdout] 62e45cea7ede9cb6dd1c48d206a74020914ae270ecbffad9a498333c9337303f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8849647b7eb21ed854978161391c5a745706a7788894e1fbbc472d0ccd0087aa
[INFO] running `Command { std: "docker" "start" "-a" "8849647b7eb21ed854978161391c5a745706a7788894e1fbbc472d0ccd0087aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling explain_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/simple_parser/tokenizer.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &dyn TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stdout]   |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difference`
[INFO] [stdout]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let difference = text_start_pos - count_whitespace;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/man_parse/troff_parser.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut pops = if let Some(tok) = decrease_arg {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Underlined` is never constructed
[INFO] [stdout]   --> src/man_parse/term_writer/font_style.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum FontStyle {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Underlined,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FontStyle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NonWhitespace` is never constructed
[INFO] [stdout]  --> src/man_parse/term_writer/line_info.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum LengthRule {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 8 |     Whitespace,
[INFO] [stdout] 9 |     NonWhitespace,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disable_debug` is never used
[INFO] [stdout]   --> src/man_parse/term_writer/troff_term_writer.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn disable_debug(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `indent` is never used
[INFO] [stdout]   --> src/man_parse/term_writer/troff_term_writer.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn indent(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `default_indent` is never used
[INFO] [stdout]    --> src/man_parse/term_writer/troff_term_writer.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn default_indent(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "8849647b7eb21ed854978161391c5a745706a7788894e1fbbc472d0ccd0087aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8849647b7eb21ed854978161391c5a745706a7788894e1fbbc472d0ccd0087aa", kill_on_drop: false }`
[INFO] [stdout] 8849647b7eb21ed854978161391c5a745706a7788894e1fbbc472d0ccd0087aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e933f407dd9685923b402e4f7ec9c92076ad7f4dc15410ed56d5e998c1d11e9
[INFO] running `Command { std: "docker" "start" "-a" "6e933f407dd9685923b402e4f7ec9c92076ad7f4dc15410ed56d5e998c1d11e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/simple_parser/tokenizer.rs:7:58
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stderr]   |                                                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn tokenize<C: TokenClass>(input: &str, classifier: &dyn TokenGenerator<C>) -> Vec<Token<C>> {
[INFO] [stderr]   |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `difference`
[INFO] [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let difference = text_start_pos - count_whitespace;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difference`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/man_parse/troff_parser.rs:338:13
[INFO] [stderr]     |
[INFO] [stderr] 338 |         let mut pops = if let Some(tok) = decrease_arg {
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Underlined` is never constructed
[INFO] [stderr]   --> src/man_parse/term_writer/font_style.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum FontStyle {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 16 |     Underlined,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FontStyle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NonWhitespace` is never constructed
[INFO] [stderr]  --> src/man_parse/term_writer/line_info.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum LengthRule {
[INFO] [stderr]   |          ---------- variant in this enum
[INFO] [stderr] 8 |     Whitespace,
[INFO] [stderr] 9 |     NonWhitespace,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `disable_debug` is never used
[INFO] [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn disable_debug(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `indent` is never used
[INFO] [stderr]   --> src/man_parse/term_writer/troff_term_writer.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn indent(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `default_indent` is never used
[INFO] [stderr]    --> src/man_parse/term_writer/troff_term_writer.rs:189:12
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn default_indent(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `explain_rs` (bin "explain_rs" test) generated 8 warnings (run `cargo fix --bin "explain_rs" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/explain_rs-abe9c5b299dd651c)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_short_word ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_double_quote ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_quote_only ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_segregates_whitespaces_types ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_includes_whitespace ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_keeps_multilength_spaces ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_empty_square_brackets ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_long_word ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_multiple_splits ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_inline_macro ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_understands_wide_chars ... ok
[INFO] [stdout] test simple_parser::tokenizer::tests::test_simple_line ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_understands_tabs ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::split_understands_newlines ... ok
[INFO] [stdout] test simple_parser::split_whitespace::tests::trait_works ... ok
[INFO] [stdout] test man_parse::troff_token_generator::tests::test_backslash_s ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- man_parse::troff_token_generator::tests::test_backslash_s stdout ----
[INFO] [stdout] thread 'man_parse::troff_token_generator::tests::test_backslash_s' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[Token { class: TextWord, value: "Manual", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "f", starts_line: false }, Token { class: CommandArg, value: "R", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "m", starts_line: false }, Token { class: ArgOpenBracket, value: "[", starts_line: false }, Token { class: CommandArg, value: "", starts_line: false }, Token { class: ArgCloseBracket, value: "]", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "&", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "s", starts_line: false }, Token { class: CommandArg, value: "-", starts_line: false }, Token { class: CommandArg, value: "2", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "u", starts_line: false }, Token { class: TextWord, value: "[1]", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "d", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "s", starts_line: false }, Token { class: CommandArg, value: "+", starts_line: false }, Token { class: CommandArg, value: "2", starts_line: false }]`,
[INFO] [stdout]  right: `[Token { class: TextWord, value: "Manual", starts_line: false }, Token { class: Backslash, value: "\\", starts_line: false }, Token { class: EscapeCommand, value: "m", starts_line: false }, Token { class: ArgOpenBracket, value: "[", starts_line: false }, Token { class: CommandArg, value: "", starts_line: false }, Token { class: ArgCloseBracket, value: "]", starts_line: false }]`', src/man_parse/troff_token_generator.rs:388:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559e54c55eaa - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x559e54c55eaa - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x559e54c55eaa - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x559e54c55eaa - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x559e54c798de - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x559e54c53325 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x559e54c55c75 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x559e54c55c75 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x559e54c57a3f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x559e54c576ff - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x559e54c2a417 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x559e54c2a417 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x559e54c5816d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x559e54c5816d - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x559e54c57ee9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x559e54c56316 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x559e54c57bf2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x559e54be5b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x559e54be5e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x559e54bee5ca - core::panicking::assert_failed::h764f1d0cbd651132
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x559e54bebdf1 - explain_rs::man_parse::troff_token_generator::tests::test_backslash_s::h2ea2edbd4f633494
[INFO] [stdout]                                at /opt/rustwide/workdir/src/man_parse/troff_token_generator.rs:388:9
[INFO] [stdout]   21:     0x559e54beb897 - explain_rs::man_parse::troff_token_generator::tests::test_backslash_s::{{closure}}::hd73e242ab649cb47
[INFO] [stdout]                                at /opt/rustwide/workdir/src/man_parse/troff_token_generator.rs:368:27
[INFO] [stdout]   22:     0x559e54bf76f5 - core::ops::function::FnOnce::call_once::h0cde50e3bee23f98
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x559e54c2f7ff - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x559e54c2f7ff - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x559e54c00e1c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x559e54c00e1c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x559e54c2e7c6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x559e54c2e7c6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x559e54c2e7c6 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x559e54c2e7c6 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x559e54c2e7c6 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x559e54c2e7c6 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x559e54c2e7c6 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x559e54bfb491 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x559e54bfb491 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x559e54c00eab - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x559e54c00eab - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x559e54c00eab - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x559e54c00eab - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x559e54c00eab - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x559e54c00eab - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x559e54c00eab - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x559e54c5c4d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x559e54c5c4d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x559e54c5c4d3 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fb52203db43 - <unknown>
[INFO] [stdout]   47:     0x7fb5220cebb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     man_parse::troff_token_generator::tests::test_backslash_s
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin explain_rs`
[INFO] running `Command { std: "docker" "inspect" "6e933f407dd9685923b402e4f7ec9c92076ad7f4dc15410ed56d5e998c1d11e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e933f407dd9685923b402e4f7ec9c92076ad7f4dc15410ed56d5e998c1d11e9", kill_on_drop: false }`
[INFO] [stdout] 6e933f407dd9685923b402e4f7ec9c92076ad7f4dc15410ed56d5e998c1d11e9
