[INFO] cloning repository https://github.com/escher-bach/GrammarInduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/escher-bach/GrammarInduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fescher-bach%2FGrammarInduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fescher-bach%2FGrammarInduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f787930a5fbacc0dd5f28b52a5252d57d42cc20b
[INFO] linting escher-bach/GrammarInduction against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fescher-bach%2FGrammarInduction" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/escher-bach/GrammarInduction
[INFO] finished tweaking git repo https://github.com/escher-bach/GrammarInduction
[INFO] tweaked toml for git repo https://github.com/escher-bach/GrammarInduction written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/escher-bach/GrammarInduction on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/escher-bach/GrammarInduction 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c7468fee60854068d58b8588aaa58c52c5f525ecba7cd88814746b3dd4faf55
[INFO] running `Command { std: "docker" "start" "-a" "3c7468fee60854068d58b8588aaa58c52c5f525ecba7cd88814746b3dd4faf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7468fee60854068d58b8588aaa58c52c5f525ecba7cd88814746b3dd4faf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7468fee60854068d58b8588aaa58c52c5f525ecba7cd88814746b3dd4faf55", kill_on_drop: false }`
[INFO] [stdout] 3c7468fee60854068d58b8588aaa58c52c5f525ecba7cd88814746b3dd4faf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aefbe8a06ffc51ea8cd8cc1a1e1e8b946d75fe293e5b7ec7c40bbc7f6805fd5
[INFO] running `Command { std: "docker" "start" "-a" "9aefbe8a06ffc51ea8cd8cc1a1e1e8b946d75fe293e5b7ec7c40bbc7f6805fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking stratagram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:354:22
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     .or_insert_with(AHashSet::new)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]     = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:411:14
[INFO] [stdout]     |
[INFO] [stdout] 411 |             .or_insert_with(AHashMap::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:419:18
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:429:22
[INFO] [stdout]     |
[INFO] [stdout] 429 |                     .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:427:22
[INFO] [stdout]     |
[INFO] [stdout] 427 |                     .or_insert_with(AHashMap::new)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 | /             if let Some(paths) = fillers_map.get(ngram) {
[INFO] [stdout] 490 | |                 if !paths.is_empty() {
[INFO] [stdout] 491 | |                     valid.push(ngram.clone());
[INFO] [stdout] 492 | |                 }
[INFO] [stdout] 493 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 489 ~             if let Some(paths) = fillers_map.get(ngram)
[INFO] [stdout] 490 ~                 && !paths.is_empty() {
[INFO] [stdout] 491 |                     valid.push(ngram.clone());
[INFO] [stdout] 492 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:523:13
[INFO] [stdout]     |
[INFO] [stdout] 523 | /             if let Some(level_index) = self.pattern_indices.get(&ngram_level) {
[INFO] [stdout] 524 | |                 if let Some(fillers_map) = level_index.get(context) {
[INFO] [stdout] 525 | |                     for ngram in ngrams_to_merge {
[INFO] [stdout] 526 | |                         if let Some(indices) = fillers_map.get(ngram) {
[INFO] [stdout] ...   |
[INFO] [stdout] 531 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 523 ~             if let Some(level_index) = self.pattern_indices.get(&ngram_level)
[INFO] [stdout] 524 ~                 && let Some(fillers_map) = level_index.get(context) {
[INFO] [stdout] 525 |                     for ngram in ngrams_to_merge {
[INFO] [stdout] ...
[INFO] [stdout] 529 |                     }
[INFO] [stdout] 530 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:575:18
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 .or_insert_with(AHashSet::new)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:580:17
[INFO] [stdout]     |
[INFO] [stdout] 580 | /                 if !self.paths[path_idx].contains(old_token_id) {
[INFO] [stdout] 581 | |                     if let Some(set) = self.token_locations.get_mut(old_token_id) {
[INFO] [stdout] 582 | |                         set.remove(&path_idx);
[INFO] [stdout] 583 | |                         if set.is_empty() {
[INFO] [stdout] ...   |
[INFO] [stdout] 587 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 580 ~                 if !self.paths[path_idx].contains(old_token_id)
[INFO] [stdout] 581 ~                     && let Some(set) = self.token_locations.get_mut(old_token_id) {
[INFO] [stdout] 582 |                         set.remove(&path_idx);
[INFO] [stdout] ...
[INFO] [stdout] 585 |                         }
[INFO] [stdout] 586 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:611:14
[INFO] [stdout]     |
[INFO] [stdout] 611 |             .or_insert_with(AHashMap::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:614:14
[INFO] [stdout]     |
[INFO] [stdout] 614 |             .or_insert_with(AHashSet::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:627:18
[INFO] [stdout]     |
[INFO] [stdout] 627 |                 .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:625:18
[INFO] [stdout]     |
[INFO] [stdout] 625 |                 .or_insert_with(AHashMap::new)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:748:9
[INFO] [stdout]     |
[INFO] [stdout] 748 | /         if let Some(parent) = output_path.parent() {
[INFO] [stdout] 749 | |             if !parent.as_os_str().is_empty() {
[INFO] [stdout] 750 | |                 fs::create_dir_all(parent).with_context(|| {
[INFO] [stdout] 751 | |                     format!("creating grammar directory at {}", parent.display())
[INFO] [stdout] ...   |
[INFO] [stdout] 754 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 748 ~         if let Some(parent) = output_path.parent()
[INFO] [stdout] 749 ~             && !parent.as_os_str().is_empty() {
[INFO] [stdout] 750 |                 fs::create_dir_all(parent).with_context(|| {
[INFO] [stdout] 751 |                     format!("creating grammar directory at {}", parent.display())
[INFO] [stdout] 752 |                 })?;
[INFO] [stdout] 753 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:993:8
[INFO] [stdout]     |
[INFO] [stdout] 993 |     if !prefix.is_empty() && !(prefix.len() == 1 && prefix[0] == BEG_ID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(prefix.is_empty() || prefix.len() == 1 && prefix[0] == BEG_ID)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:996:8
[INFO] [stdout]     |
[INFO] [stdout] 996 |     if !suffix.is_empty() && !(suffix.len() == 1 && suffix[0] == END_ID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(suffix.is_empty() || suffix.len() == 1 && suffix[0] == END_ID)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1143:9
[INFO] [stdout]      |
[INFO] [stdout] 1143 | /         if let (Some(first), Some(last)) = (levels.first().copied(), levels.last().copied()) {
[INFO] [stdout] 1144 | |             if first != last {
[INFO] [stdout] 1145 | |                 matcher.compare_snapshots(first, last);
[INFO] [stdout] 1146 | |             }
[INFO] [stdout] 1147 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1143 ~         if let (Some(first), Some(last)) = (levels.first().copied(), levels.last().copied())
[INFO] [stdout] 1144 ~             && first != last {
[INFO] [stdout] 1145 |                 matcher.compare_snapshots(first, last);
[INFO] [stdout] 1146 ~             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:354:22
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     .or_insert_with(AHashSet::new)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]     = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:411:14
[INFO] [stdout]     |
[INFO] [stdout] 411 |             .or_insert_with(AHashMap::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:419:18
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:429:22
[INFO] [stdout]     |
[INFO] [stdout] 429 |                     .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:427:22
[INFO] [stdout]     |
[INFO] [stdout] 427 |                     .or_insert_with(AHashMap::new)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 | /             if let Some(paths) = fillers_map.get(ngram) {
[INFO] [stdout] 490 | |                 if !paths.is_empty() {
[INFO] [stdout] 491 | |                     valid.push(ngram.clone());
[INFO] [stdout] 492 | |                 }
[INFO] [stdout] 493 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 489 ~             if let Some(paths) = fillers_map.get(ngram)
[INFO] [stdout] 490 ~                 && !paths.is_empty() {
[INFO] [stdout] 491 |                     valid.push(ngram.clone());
[INFO] [stdout] 492 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:523:13
[INFO] [stdout]     |
[INFO] [stdout] 523 | /             if let Some(level_index) = self.pattern_indices.get(&ngram_level) {
[INFO] [stdout] 524 | |                 if let Some(fillers_map) = level_index.get(context) {
[INFO] [stdout] 525 | |                     for ngram in ngrams_to_merge {
[INFO] [stdout] 526 | |                         if let Some(indices) = fillers_map.get(ngram) {
[INFO] [stdout] ...   |
[INFO] [stdout] 531 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 523 ~             if let Some(level_index) = self.pattern_indices.get(&ngram_level)
[INFO] [stdout] 524 ~                 && let Some(fillers_map) = level_index.get(context) {
[INFO] [stdout] 525 |                     for ngram in ngrams_to_merge {
[INFO] [stdout] ...
[INFO] [stdout] 529 |                     }
[INFO] [stdout] 530 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:575:18
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 .or_insert_with(AHashSet::new)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:580:17
[INFO] [stdout]     |
[INFO] [stdout] 580 | /                 if !self.paths[path_idx].contains(old_token_id) {
[INFO] [stdout] 581 | |                     if let Some(set) = self.token_locations.get_mut(old_token_id) {
[INFO] [stdout] 582 | |                         set.remove(&path_idx);
[INFO] [stdout] 583 | |                         if set.is_empty() {
[INFO] [stdout] ...   |
[INFO] [stdout] 587 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 580 ~                 if !self.paths[path_idx].contains(old_token_id)
[INFO] [stdout] 581 ~                     && let Some(set) = self.token_locations.get_mut(old_token_id) {
[INFO] [stdout] 582 |                         set.remove(&path_idx);
[INFO] [stdout] ...
[INFO] [stdout] 585 |                         }
[INFO] [stdout] 586 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:611:14
[INFO] [stdout]     |
[INFO] [stdout] 611 |             .or_insert_with(AHashMap::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:614:14
[INFO] [stdout]     |
[INFO] [stdout] 614 |             .or_insert_with(AHashSet::new);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:627:18
[INFO] [stdout]     |
[INFO] [stdout] 627 |                 .or_insert_with(AHashSet::new);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `or_insert_with` to construct default value
[INFO] [stdout]    --> src/main.rs:625:18
[INFO] [stdout]     |
[INFO] [stdout] 625 |                 .or_insert_with(AHashMap::new)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:748:9
[INFO] [stdout]     |
[INFO] [stdout] 748 | /         if let Some(parent) = output_path.parent() {
[INFO] [stdout] 749 | |             if !parent.as_os_str().is_empty() {
[INFO] [stdout] 750 | |                 fs::create_dir_all(parent).with_context(|| {
[INFO] [stdout] 751 | |                     format!("creating grammar directory at {}", parent.display())
[INFO] [stdout] ...   |
[INFO] [stdout] 754 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 748 ~         if let Some(parent) = output_path.parent()
[INFO] [stdout] 749 ~             && !parent.as_os_str().is_empty() {
[INFO] [stdout] 750 |                 fs::create_dir_all(parent).with_context(|| {
[INFO] [stdout] 751 |                     format!("creating grammar directory at {}", parent.display())
[INFO] [stdout] 752 |                 })?;
[INFO] [stdout] 753 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:993:8
[INFO] [stdout]     |
[INFO] [stdout] 993 |     if !prefix.is_empty() && !(prefix.len() == 1 && prefix[0] == BEG_ID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(prefix.is_empty() || prefix.len() == 1 && prefix[0] == BEG_ID)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:996:8
[INFO] [stdout]     |
[INFO] [stdout] 996 |     if !suffix.is_empty() && !(suffix.len() == 1 && suffix[0] == END_ID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(suffix.is_empty() || suffix.len() == 1 && suffix[0] == END_ID)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/main.rs:1143:9
[INFO] [stdout]      |
[INFO] [stdout] 1143 | /         if let (Some(first), Some(last)) = (levels.first().copied(), levels.last().copied()) {
[INFO] [stdout] 1144 | |             if first != last {
[INFO] [stdout] 1145 | |                 matcher.compare_snapshots(first, last);
[INFO] [stdout] 1146 | |             }
[INFO] [stdout] 1147 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1143 ~         if let (Some(first), Some(last)) = (levels.first().copied(), levels.last().copied())
[INFO] [stdout] 1144 ~             && first != last {
[INFO] [stdout] 1145 |                 matcher.compare_snapshots(first, last);
[INFO] [stdout] 1146 ~             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `Command { std: "docker" "inspect" "9aefbe8a06ffc51ea8cd8cc1a1e1e8b946d75fe293e5b7ec7c40bbc7f6805fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aefbe8a06ffc51ea8cd8cc1a1e1e8b946d75fe293e5b7ec7c40bbc7f6805fd5", kill_on_drop: false }`
[INFO] [stdout] 9aefbe8a06ffc51ea8cd8cc1a1e1e8b946d75fe293e5b7ec7c40bbc7f6805fd5