[INFO] fetching crate twitter-text 0.2.0...
[INFO] testing twitter-text-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate twitter-text 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate twitter-text 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01d0bd5267cf563573e07789c44f4cb7f3a115d3bae1316bc6de0f8bd7393d41
[INFO] running `Command { std: "docker" "start" "-a" "01d0bd5267cf563573e07789c44f4cb7f3a115d3bae1316bc6de0f8bd7393d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01d0bd5267cf563573e07789c44f4cb7f3a115d3bae1316bc6de0f8bd7393d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d0bd5267cf563573e07789c44f4cb7f3a115d3bae1316bc6de0f8bd7393d41", kill_on_drop: false }`
[INFO] [stdout] 01d0bd5267cf563573e07789c44f4cb7f3a115d3bae1316bc6de0f8bd7393d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3883a56239339996da85f04b11a214358dd7e07df506894746a1850c4e9ffa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e3883a56239339996da85f04b11a214358dd7e07df506894746a1850c4e9ffa", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling twitter_text_config v0.2.0
[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 30.66s
[INFO] running `Command { std: "docker" "inspect" "6e3883a56239339996da85f04b11a214358dd7e07df506894746a1850c4e9ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3883a56239339996da85f04b11a214358dd7e07df506894746a1850c4e9ffa", kill_on_drop: false }`
[INFO] [stdout] 6e3883a56239339996da85f04b11a214358dd7e07df506894746a1850c4e9ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3ff3b1baac06f4e3daedff9f78ee90c506a45920b1765f207817b40d0b93011
[INFO] running `Command { std: "docker" "start" "-a" "e3ff3b1baac06f4e3daedff9f78ee90c506a45920b1765f207817b40d0b93011", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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] [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 3.53s
[INFO] running `Command { std: "docker" "inspect" "e3ff3b1baac06f4e3daedff9f78ee90c506a45920b1765f207817b40d0b93011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ff3b1baac06f4e3daedff9f78ee90c506a45920b1765f207817b40d0b93011", kill_on_drop: false }`
[INFO] [stdout] e3ff3b1baac06f4e3daedff9f78ee90c506a45920b1765f207817b40d0b93011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 152e5bba521b84ec81f1bae66479baac3b165f79518b5b6ece5660cf081ac019
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "152e5bba521b84ec81f1bae66479baac3b165f79518b5b6ece5660cf081ac019", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 5 tests
[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: 12 warnings emitted
[INFO] [stderr] 
[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: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/twitter_text-69b2c6888442b5e9
[INFO] [stderr]    Doc-tests twitter-text
[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_setting ... ok
[INFO] [stdout] test extractor::tests::test_extract_single_mention ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "152e5bba521b84ec81f1bae66479baac3b165f79518b5b6ece5660cf081ac019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152e5bba521b84ec81f1bae66479baac3b165f79518b5b6ece5660cf081ac019", kill_on_drop: false }`
[INFO] [stdout] 152e5bba521b84ec81f1bae66479baac3b165f79518b5b6ece5660cf081ac019