[INFO] fetching crate twitter-text 0.2.0...
[INFO] testing twitter-text-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate twitter-text 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate twitter-text 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitter-text 0.2.0
[INFO] finished tweaking crates.io crate twitter-text 0.2.0
[INFO] tweaked toml for crates.io crate twitter-text 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d80c24f200a65f827cae6921bdf1123d2095357620c8489d6c8b404c1785b3
[INFO] running `Command { std: "docker" "start" "-a" "00d80c24f200a65f827cae6921bdf1123d2095357620c8489d6c8b404c1785b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d80c24f200a65f827cae6921bdf1123d2095357620c8489d6c8b404c1785b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d80c24f200a65f827cae6921bdf1123d2095357620c8489d6c8b404c1785b3", kill_on_drop: false }`
[INFO] [stdout] 00d80c24f200a65f827cae6921bdf1123d2095357620c8489d6c8b404c1785b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de88c7f1842f75a2aacb8f21d8f43e7bc6812c6a8e2c3457405e51f6f56023a3
[INFO] running `Command { std: "docker" "start" "-a" "de88c7f1842f75a2aacb8f21d8f43e7bc6812c6a8e2c3457405e51f6f56023a3", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling twitter_text_config v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling twitter_text_parser v0.2.0
[INFO] [stderr]    Compiling twitter-text v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn walk(&self, pairs: Pairs<Rule>, hits: &[(Hit)], builder: &mut HighlightBuilder) -> usize {
[INFO] [stdout]    |                                                ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:89:46
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(text: &str, tag: &str, hits: &Vec<(Hit)>) -> HighlightBuilder {
[INFO] [stdout]    |                                              ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:51:60
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Rule::start_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Rule::end_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     let span = pair.into_span();
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length`
[INFO] [stdout]    --> src/extractor.rs:325:14
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length_utf8`
[INFO] [stdout]    --> src/extractor.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length_utf8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/extractor.rs:415:30
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/extractor.rs:415:42
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity`
[INFO] [stdout]    --> src/autolinker.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn link_to_text(&self, entity: &Entity, original_text: &str,
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn link_to_cashtag(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:201:44
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn link_to_url(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.90s
[INFO] running `Command { std: "docker" "inspect" "de88c7f1842f75a2aacb8f21d8f43e7bc6812c6a8e2c3457405e51f6f56023a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de88c7f1842f75a2aacb8f21d8f43e7bc6812c6a8e2c3457405e51f6f56023a3", kill_on_drop: false }`
[INFO] [stdout] de88c7f1842f75a2aacb8f21d8f43e7bc6812c6a8e2c3457405e51f6f56023a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d122628598c58310836b02d933ae57f421c5768d786e0c707c1db58505d45c83
[INFO] running `Command { std: "docker" "start" "-a" "d122628598c58310836b02d933ae57f421c5768d786e0c707c1db58505d45c83", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn walk(&self, pairs: Pairs<Rule>, hits: &[(Hit)], builder: &mut HighlightBuilder) -> usize {
[INFO] [stdout]    |                                                ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:89:46
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(text: &str, tag: &str, hits: &Vec<(Hit)>) -> HighlightBuilder {
[INFO] [stdout]    |                                              ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:51:60
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Rule::start_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Rule::end_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     let span = pair.into_span();
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length`
[INFO] [stdout]    --> src/extractor.rs:325:14
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length_utf8`
[INFO] [stdout]    --> src/extractor.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length_utf8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/extractor.rs:415:30
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/extractor.rs:415:42
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity`
[INFO] [stdout]    --> src/autolinker.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn link_to_text(&self, entity: &Entity, original_text: &str,
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn link_to_cashtag(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling twitter-text v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:201:44
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn link_to_url(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn walk(&self, pairs: Pairs<Rule>, hits: &[(Hit)], builder: &mut HighlightBuilder) -> usize {
[INFO] [stdout]    |                                                ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/hit_highlighter.rs:89:46
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(text: &str, tag: &str, hits: &Vec<(Hit)>) -> HighlightBuilder {
[INFO] [stdout]    |                                              ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:51:60
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Rule::start_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Rule::end_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stdout]   --> src/hit_highlighter.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     let span = pair.into_span();
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length`
[INFO] [stdout]    --> src/extractor.rs:325:14
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_length_utf8`
[INFO] [stdout]    --> src/extractor.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length_utf8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/extractor.rs:415:30
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/extractor.rs:415:42
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity`
[INFO] [stdout]    --> src/autolinker.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn link_to_text(&self, entity: &Entity, original_text: &str,
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn link_to_cashtag(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/autolinker.rs:201:44
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn link_to_url(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "d122628598c58310836b02d933ae57f421c5768d786e0c707c1db58505d45c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d122628598c58310836b02d933ae57f421c5768d786e0c707c1db58505d45c83", kill_on_drop: false }`
[INFO] [stdout] d122628598c58310836b02d933ae57f421c5768d786e0c707c1db58505d45c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba4e36e5e135ca7f303183c2af18672926ef68040e8ea6fa1f0da5735f3a5852
[INFO] running `Command { std: "docker" "start" "-a" "ba4e36e5e135ca7f303183c2af18672926ef68040e8ea6fa1f0da5735f3a5852", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/hit_highlighter.rs:43:48
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn walk(&self, pairs: Pairs<Rule>, hits: &[(Hit)], builder: &mut HighlightBuilder) -> usize {
[INFO] [stderr]    |                                                ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/hit_highlighter.rs:89:46
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn new(text: &str, tag: &str, hits: &Vec<(Hit)>) -> HighlightBuilder {
[INFO] [stderr]    |                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stderr]   --> src/hit_highlighter.rs:51:60
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 Rule::start_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stderr]    |                                                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stderr]   --> src/hit_highlighter.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 Rule::end_tag => builder.append_tag(pair.into_span().as_str()),
[INFO] [stderr]    |                                                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `pest::iterators::Pair::<'i, R>::into_span`: Please use `as_span` instead
[INFO] [stderr]   --> src/hit_highlighter.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     let span = pair.into_span();
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `original_length`
[INFO] [stderr]    --> src/extractor.rs:325:14
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `original_length_utf8`
[INFO] [stderr]    --> src/extractor.rs:325:31
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let (original_length, original_length_utf8) = calculate_length(s);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_length_utf8`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/extractor.rs:415:30
[INFO] [stderr]     |
[INFO] [stderr] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]    --> src/extractor.rs:415:42
[INFO] [stderr]     |
[INFO] [stderr] 415 |     fn mention_result(&self, s: &'a str, pair: Option<Pair<'a>>)
[INFO] [stderr]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity`
[INFO] [stderr]    --> src/autolinker.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn link_to_text(&self, entity: &Entity, original_text: &str,
[INFO] [stderr]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/autolinker.rs:174:48
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn link_to_cashtag(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/autolinker.rs:201:44
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn link_to_url(&self, entity: &Entity, text: &str, buf: &mut String) {
[INFO] [stderr]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: `twitter-text` (lib) generated 12 warnings
[INFO] [stderr] warning: `twitter-text` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twitter_text-c6f53679d7c710fd)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test autolinker::tests::test_escape_html ... ok
[INFO] [stdout] test autolinker::tests::test_escape_brackets ... ok
[INFO] [stdout] test extractor::tests::test_extract_empty_string_mentions ... ok
[INFO] [stdout] test extractor::tests::test_extract_single_mention ... ok
[INFO] [stdout] test extractor::tests::test_extract_setting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twitter-text
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hit_highlighter.rs:43:48
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn walk(&self, pairs: Pairs<Rule>, hits: &[(Hit)], builder: &mut HighlightBuilder) -> usize {
[INFO] [stderr]    |                                                ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hit_highlighter.rs:89:46
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn new(text: &str, tag: &str, hits: &Vec<(Hit)>) -> HighlightBuilder {
[INFO] [stderr]    |                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba4e36e5e135ca7f303183c2af18672926ef68040e8ea6fa1f0da5735f3a5852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4e36e5e135ca7f303183c2af18672926ef68040e8ea6fa1f0da5735f3a5852", kill_on_drop: false }`
[INFO] [stdout] ba4e36e5e135ca7f303183c2af18672926ef68040e8ea6fa1f0da5735f3a5852