[INFO] updating cached repository CloneRob/Simple-Parse-Generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CloneRob/Simple-Parse-Generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CloneRob/Simple-Parse-Generator" "work/ex/clippy-test-run/sources/stable/gh/CloneRob/Simple-Parse-Generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/CloneRob/Simple-Parse-Generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CloneRob/Simple-Parse-Generator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CloneRob/Simple-Parse-Generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CloneRob/Simple-Parse-Generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab705cbb92aca2a45a70f818daabbf37e0c3a18e
[INFO] sha for GitHub repo CloneRob/Simple-Parse-Generator: ab705cbb92aca2a45a70f818daabbf37e0c3a18e
[INFO] validating manifest of CloneRob/Simple-Parse-Generator on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CloneRob/Simple-Parse-Generator on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CloneRob/Simple-Parse-Generator
[INFO] finished frobbing CloneRob/Simple-Parse-Generator
[INFO] frobbed toml for CloneRob/Simple-Parse-Generator written to work/ex/clippy-test-run/sources/stable/gh/CloneRob/Simple-Parse-Generator/Cargo.toml
[INFO] started frobbing CloneRob/Simple-Parse-Generator
[INFO] finished frobbing CloneRob/Simple-Parse-Generator
[INFO] frobbed toml for CloneRob/Simple-Parse-Generator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CloneRob/Simple-Parse-Generator/Cargo.toml
[INFO] crate CloneRob/Simple-Parse-Generator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting CloneRob/Simple-Parse-Generator against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/CloneRob/Simple-Parse-Generator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 727f0c66bddaa6838c6df2ad88443bb71c31e9368c5fd372dcbbe278bbad23a1
[INFO] running `"docker" "start" "-a" "727f0c66bddaa6838c6df2ad88443bb71c31e9368c5fd372dcbbe278bbad23a1"`
[INFO] [stderr]     Checking parse_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             start_symbol: start_symbol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_symbol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             non_terminals: non_terminals,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `non_terminals`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             terminals: terminals,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `terminals`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             production_rules: production_rules,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `production_rules`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/grammar.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             println!("");
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/grammar.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             first_set: first_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `first_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             follow_set: follow_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `follow_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             first_plus_set: first_plus_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `first_plus_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_state.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             max_time: max_time,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `max_time`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parser.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     grammar: grammar,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: replace it with: `grammar`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             start_symbol: start_symbol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_symbol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             non_terminals: non_terminals,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `non_terminals`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             terminals: terminals,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `terminals`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/grammar.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             production_rules: production_rules,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `production_rules`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/grammar.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             println!("");
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/grammar.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             first_set: first_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `first_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             follow_set: follow_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `follow_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_builder.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             first_plus_set: first_plus_set,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `first_plus_set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/set_builder.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/set_state.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             max_time: max_time,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `max_time`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parser.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     grammar: grammar,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: replace it with: `grammar`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/set_builder.rs:152:32
[INFO] [stderr]     |
[INFO] [stderr] 152 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 153 | |                             if let Some(symbol_first_set) = first_set.get(symbol) {
[INFO] [stderr] 154 | |                                 trailer = symbol_first_set.clone();
[INFO] [stderr] 155 | |                             }
[INFO] [stderr] 156 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         } else if let Some(symbol_first_set) = first_set.get(symbol) {
[INFO] [stderr] 153 |     trailer = symbol_first_set.clone();
[INFO] [stderr] 154 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/set_state.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 32 | |             if boolean {
[INFO] [stderr] 33 | |                 self.state = true;
[INFO] [stderr] 34 | |                 self.time = 0;
[INFO] [stderr] 35 | |             }
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 31 |         } else if boolean {
[INFO] [stderr] 32 |     self.state = true;
[INFO] [stderr] 33 |     self.time = 0;
[INFO] [stderr] 34 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/set_state.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 | /             if !boolean {
[INFO] [stderr] 27 | |                 if self.time >= self.max_time {
[INFO] [stderr] 28 | |                     self.state = false;
[INFO] [stderr] 29 | |                 }
[INFO] [stderr] 30 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if !boolean && self.time >= self.max_time {
[INFO] [stderr] 27 |     self.state = false;
[INFO] [stderr] 28 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/parser.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 96 | |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr] 97 | |                         return Err("No LL(1) grammar");
[INFO] [stderr] 98 | |                     }
[INFO] [stderr] 99 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 } else if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr] 96 |     return Err("No LL(1) grammar");
[INFO] [stderr] 97 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parser.rs:133:24
[INFO] [stderr]     |
[INFO] [stderr] 133 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 134 | |                     if let Some(entry) = self.ll1_table.get(&(focus, word)) {
[INFO] [stderr] 135 | |                         if let Some(rule) = *entry {
[INFO] [stderr] 136 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |                     }
[INFO] [stderr] 149 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 } else if let Some(entry) = self.ll1_table.get(&(focus, word)) {
[INFO] [stderr] 134 |     if let Some(rule) = *entry {
[INFO] [stderr] 135 | 
[INFO] [stderr] 136 |         stack.pop();
[INFO] [stderr] 137 |         // focus_index = stack.len();
[INFO] [stderr] 138 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/set_builder.rs:152:32
[INFO] [stderr]     |
[INFO] [stderr] 152 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 153 | |                             if let Some(symbol_first_set) = first_set.get(symbol) {
[INFO] [stderr] 154 | |                                 trailer = symbol_first_set.clone();
[INFO] [stderr] 155 | |                             }
[INFO] [stderr] 156 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         } else if let Some(symbol_first_set) = first_set.get(symbol) {
[INFO] [stderr] 153 |     trailer = symbol_first_set.clone();
[INFO] [stderr] 154 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/set_state.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 32 | |             if boolean {
[INFO] [stderr] 33 | |                 self.state = true;
[INFO] [stderr] 34 | |                 self.time = 0;
[INFO] [stderr] 35 | |             }
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 31 |         } else if boolean {
[INFO] [stderr] 32 |     self.state = true;
[INFO] [stderr] 33 |     self.time = 0;
[INFO] [stderr] 34 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/set_state.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 | /             if !boolean {
[INFO] [stderr] 27 | |                 if self.time >= self.max_time {
[INFO] [stderr] 28 | |                     self.state = false;
[INFO] [stderr] 29 | |                 }
[INFO] [stderr] 30 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if !boolean && self.time >= self.max_time {
[INFO] [stderr] 27 |     self.state = false;
[INFO] [stderr] 28 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/parser.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |                   } else {
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 96 | |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr] 97 | |                         return Err("No LL(1) grammar");
[INFO] [stderr] 98 | |                     }
[INFO] [stderr] 99 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 } else if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr] 96 |     return Err("No LL(1) grammar");
[INFO] [stderr] 97 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/parser.rs:133:24
[INFO] [stderr]     |
[INFO] [stderr] 133 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 134 | |                     if let Some(entry) = self.ll1_table.get(&(focus, word)) {
[INFO] [stderr] 135 | |                         if let Some(rule) = *entry {
[INFO] [stderr] 136 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | |                     }
[INFO] [stderr] 149 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 } else if let Some(entry) = self.ll1_table.get(&(focus, word)) {
[INFO] [stderr] 134 |     if let Some(rule) = *entry {
[INFO] [stderr] 135 | 
[INFO] [stderr] 136 |         stack.pop();
[INFO] [stderr] 137 |         // focus_index = stack.len();
[INFO] [stderr] 138 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_sets`
[INFO] [stderr]   --> src/set_builder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn get_sets(self)
[INFO] [stderr] 26 | |                     -> (HashMap<char, HashSet<char>>,
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr] 29 | |         (self.first_set, self.follow_set, self.first_plus_set)
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_first_set`
[INFO] [stderr]    --> src/set_builder.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn get_first_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_follow_set`
[INFO] [stderr]    --> src/set_builder.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn get_follow_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/set_builder.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |                       -> (HashMap<char, HashSet<char>>,
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr]    | |___________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/set_builder.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     } else if &symbols[i] == &'e' {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     } else if symbols[i] == 'e' {
[INFO] [stderr]    |                               ^^^^^^^^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/set_builder.rs:187:24
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     if hash_set.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!hash_set.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/set_builder.rs:188:49
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), rule.clone()),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*non_terminal`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/set_builder.rs:188:71
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), rule.clone()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), &(*rule).clone()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), &str::clone(rule)),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/set_state.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn is_changing(&mut self, boolean: bool) {
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/parser.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |          -> Result<HashMap<(char, char), Option<(char, &'rule str)>>, &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         match Parser::check_ll1(set_builder) {
[INFO] [stderr] 57 | |             Err(msg) => return Err(msg),
[INFO] [stderr] 58 | |             _ => (),
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Err(msg) = Parser::check_ll1(set_builder) { return Err(msg) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 table.insert((nt.clone(), t.clone()), None);
[INFO] [stderr]    |                               ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:64:43
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 table.insert((nt.clone(), t.clone()), None);
[INFO] [stderr]    |                                           ^^^^^^^^^ help: try dereferencing it: `*t`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/parser.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let rules = grammar.production_rules.get(nt).unwrap();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&grammar.production_rules[nt]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:73:39
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         table.insert((nt.clone(), fps_t.clone()),
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:73:51
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         table.insert((nt.clone(), fps_t.clone()),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ help: try dereferencing it: `*fps_t`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:74:44
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/parser.rs:74:56
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), &(*rule).clone())));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), &str::clone(rule))));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:81:59
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/parser.rs:81:71
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), &(*rule).clone())));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), &str::clone(rule))));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/parser.rs:93:54
[INFO] [stderr]    |
[INFO] [stderr] 93 |                   } else if outer_key.1 == inner_key.1 {
[INFO] [stderr]    |  ______________________________________________________^
[INFO] [stderr] 94 | |                     continue;
[INFO] [stderr] 95 | |                 } else {
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/parser.rs:91:47
[INFO] [stderr]    |
[INFO] [stderr] 91 |                   if outer_key.0 != inner_key.0 {
[INFO] [stderr]    |  _______________________________________________^
[INFO] [stderr] 92 | |                     continue;
[INFO] [stderr] 93 | |                 } else if outer_key.1 == inner_key.1 {
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/parser.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!outer_val.intersection(inner_val).collect::<Vec<_>>().is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/parser.rs:96:57
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `parse_generator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `get_sets`
[INFO] [stderr]   --> src/set_builder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn get_sets(self)
[INFO] [stderr] 26 | |                     -> (HashMap<char, HashSet<char>>,
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr] 29 | |         (self.first_set, self.follow_set, self.first_plus_set)
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_first_set`
[INFO] [stderr]    --> src/set_builder.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn get_first_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_follow_set`
[INFO] [stderr]    --> src/set_builder.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn get_follow_set(&self) -> &HashMap<char, HashSet<char>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/set_builder.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |                       -> (HashMap<char, HashSet<char>>,
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 27 | |                         HashMap<char, HashSet<char>>,
[INFO] [stderr] 28 | |                         HashMap<(char, &'rule str), HashSet<char>>) {
[INFO] [stderr]    | |___________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/set_builder.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     } else if &symbols[i] == &'e' {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     } else if symbols[i] == 'e' {
[INFO] [stderr]    |                               ^^^^^^^^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/set_builder.rs:187:24
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     if hash_set.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!hash_set.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/set_builder.rs:188:49
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), rule.clone()),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*non_terminal`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/set_builder.rs:188:71
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), rule.clone()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), &(*rule).clone()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         first_plust_set.insert((non_terminal.clone(), &str::clone(rule)),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/set_state.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn is_changing(&mut self, boolean: bool) {
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/parser.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |          -> Result<HashMap<(char, char), Option<(char, &'rule str)>>, &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/parser.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | /         match Parser::check_ll1(set_builder) {
[INFO] [stderr] 57 | |             Err(msg) => return Err(msg),
[INFO] [stderr] 58 | |             _ => (),
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Err(msg) = Parser::check_ll1(set_builder) { return Err(msg) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 table.insert((nt.clone(), t.clone()), None);
[INFO] [stderr]    |                               ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:64:43
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 table.insert((nt.clone(), t.clone()), None);
[INFO] [stderr]    |                                           ^^^^^^^^^ help: try dereferencing it: `*t`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/parser.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let rules = grammar.production_rules.get(nt).unwrap();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&grammar.production_rules[nt]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:73:39
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         table.insert((nt.clone(), fps_t.clone()),
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:73:51
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         table.insert((nt.clone(), fps_t.clone()),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ help: try dereferencing it: `*fps_t`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:74:44
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/parser.rs:74:56
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), &(*rule).clone())));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 74 |                                      Some((nt.clone(), &str::clone(rule))));
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:81:59
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: try dereferencing it: `*nt`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/parser.rs:81:71
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), rule.clone())));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), &(*rule).clone())));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     table.insert((nt.clone(), '$'), Some((nt.clone(), &str::clone(rule))));
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/parser.rs:93:54
[INFO] [stderr]    |
[INFO] [stderr] 93 |                   } else if outer_key.1 == inner_key.1 {
[INFO] [stderr]    |  ______________________________________________________^
[INFO] [stderr] 94 | |                     continue;
[INFO] [stderr] 95 | |                 } else {
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/parser.rs:91:47
[INFO] [stderr]    |
[INFO] [stderr] 91 |                   if outer_key.0 != inner_key.0 {
[INFO] [stderr]    |  _______________________________________________^
[INFO] [stderr] 92 | |                     continue;
[INFO] [stderr] 93 | |                 } else if outer_key.1 == inner_key.1 {
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/parser.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!outer_val.intersection(inner_val).collect::<Vec<_>>().is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> src/parser.rs:96:57
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     if outer_val.intersection(inner_val).collect::<Vec<_>>().len() > 0 {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `parse_generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "727f0c66bddaa6838c6df2ad88443bb71c31e9368c5fd372dcbbe278bbad23a1"`
[INFO] running `"docker" "rm" "-f" "727f0c66bddaa6838c6df2ad88443bb71c31e9368c5fd372dcbbe278bbad23a1"`
[INFO] [stdout] 727f0c66bddaa6838c6df2ad88443bb71c31e9368c5fd372dcbbe278bbad23a1