[INFO] updating cached repository semrov/ProteusCompiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/semrov/ProteusCompiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/semrov/ProteusCompiler" "work/ex/clippy-test-run/sources/stable/gh/semrov/ProteusCompiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/semrov/ProteusCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/semrov/ProteusCompiler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/semrov/ProteusCompiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/semrov/ProteusCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9583241be95b0ce6772787da308d1cd91caddfaa
[INFO] sha for GitHub repo semrov/ProteusCompiler: 9583241be95b0ce6772787da308d1cd91caddfaa
[INFO] validating manifest of semrov/ProteusCompiler 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 semrov/ProteusCompiler 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 semrov/ProteusCompiler
[INFO] finished frobbing semrov/ProteusCompiler
[INFO] frobbed toml for semrov/ProteusCompiler written to work/ex/clippy-test-run/sources/stable/gh/semrov/ProteusCompiler/Cargo.toml
[INFO] started frobbing semrov/ProteusCompiler
[INFO] finished frobbing semrov/ProteusCompiler
[INFO] frobbed toml for semrov/ProteusCompiler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/semrov/ProteusCompiler/Cargo.toml
[INFO] crate semrov/ProteusCompiler 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 semrov/ProteusCompiler 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/semrov/ProteusCompiler:/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] 3edbb174e540deb60e2b41923228aae08ab5e19ccf664d8de4a0bfe4775e027f
[INFO] running `"docker" "start" "-a" "3edbb174e540deb60e2b41923228aae08ab5e19ccf664d8de4a0bfe4775e027f"`
[INFO] [stderr]     Checking proteus_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lexanal/mod.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             reader : reader,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `reader`
[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/synanal/parse_error.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             symbol : symbol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `symbol`
[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/synanal/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             lexical_analyser : lexical_analyser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lexical_analyser`
[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/synanal/mod.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             lexical_analyser : lexical_analyser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lexical_analyser`
[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/abstree/abs_expr.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |          AbsExprs{exprs : exprs, abs_position : AbsPosition::new()}
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: replace it with: `exprs`
[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/lexanal/mod.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             reader : reader,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `reader`
[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/synanal/parse_error.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             symbol : symbol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: replace it with: `symbol`
[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/synanal/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             lexical_analyser : lexical_analyser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lexical_analyser`
[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/synanal/mod.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             lexical_analyser : lexical_analyser,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lexical_analyser`
[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/abstree/abs_expr.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |          AbsExprs{exprs : exprs, abs_position : AbsPosition::new()}
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: replace it with: `exprs`
[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: All variants have the same postfix: `State`
[INFO] [stderr]   --> src/lexanal/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / enum ParserState 
[INFO] [stderr] 17 | | {
[INFO] [stderr] 18 | |     InitialState,
[INFO] [stderr] 19 | |     IdentifierState,
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     StringEscapeState,
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::visitor::Visitor`
[INFO] [stderr]  --> src/synanal/run.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use abstree::visitor::Visitor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::position::Position`
[INFO] [stderr]   --> src/synanal/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lexanal::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
[INFO] [stderr]   --> src/synanal/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use abstree::abs_position::AbsPosition;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::positioner::Positioner`
[INFO] [stderr]   --> src/synanal/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use abstree::positioner::Positioner;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/synanal/mod.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 return Ok(Some(expr));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Some(expr))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/synanal/mod.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Err(ParseError::IoError(ioe)) => return Err(ioe),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ioe)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:328:35
[INFO] [stderr]     |
[INFO] [stderr] 328 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::ADD,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:335:35
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::SUB,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:342:35
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::MUL,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::AND,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:356:35
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::NOT,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |                         abs_fun_call
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:402:44
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         let abs_fun_call = Box::new(AbsFunCall::new(abs_expr_name,*fun_call_params));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:477:17
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 atom_expr
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let atom_expr = Box::new(AbsAtomExpr::new_with_option(None));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:505:17
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 if_stmt
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:504:31
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 let if_stmt = Box::new(AbsIfStmt::new(cond_expr,then_expr,else_expr));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:519:17
[INFO] [stderr]     |
[INFO] [stderr] 519 |                 for_loop_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:518:37
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let for_loop_expr = Box::new(AbsForStmt::new(var_name,lower_bound,higher_bound,loop_exprs));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 while_expr
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:528:34
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 let while_expr = Box::new(AbsWhileStmt::new(cond_expr,loop_expr));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:613:33
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 let atom_type = Box::new(AbsAtomType::new(AtomType::INT,&symbol));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:620:17
[INFO] [stderr]     |
[INFO] [stderr] 620 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:619:33
[INFO] [stderr]     |
[INFO] [stderr] 619 |                 let atom_type = Box::new(AbsAtomType::new(AtomType::REAL,&symbol));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:625:37
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 let mut atom_type = Box::new(AbsAtomType::new(AtomType::BOOL,&symbol));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:632:17
[INFO] [stderr]     |
[INFO] [stderr] 632 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:631:37
[INFO] [stderr]     |
[INFO] [stderr] 631 |                 let mut atom_type = Box::new(AbsAtomType::new(AtomType::STRING,&symbol));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:644:17
[INFO] [stderr]     |
[INFO] [stderr] 644 |                 type_name
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:643:37
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 let mut type_name = Box::new(AbsTypeName::new(self.skip(Token::IDENTIFIER)?));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:652:17
[INFO] [stderr]     |
[INFO] [stderr] 652 |                 abs_pointer_type
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:651:40
[INFO] [stderr]     |
[INFO] [stderr] 651 |                 let abs_pointer_type = Box::new(AbsPointerType::new(abs_type,&pointer_symbol));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:662:17
[INFO] [stderr]     |
[INFO] [stderr] 662 |                 array
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:661:29
[INFO] [stderr]     |
[INFO] [stderr] 661 |                 let array = Box::new(AbsArrType::new(arr_type,size_expr,&arr_symbol));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:671:17
[INFO] [stderr]     |
[INFO] [stderr] 671 |                 record
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:670:34
[INFO] [stderr]     |
[INFO] [stderr] 670 |                 let mut record = Box::new(AbsRecType::new(record_compoments,&rec_symbol));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:730:17
[INFO] [stderr]     |
[INFO] [stderr] 730 |                 abs_var_decl
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:729:36
[INFO] [stderr]     |
[INFO] [stderr] 729 |                 let abs_var_decl = Box::new(AbsVarDecl::new(identifier,abs_type));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/synanal/mod.rs:819:21
[INFO] [stderr]     |
[INFO] [stderr] 819 |             None => return Err(ParseError::SyntaxError(SymbolError::new(None))),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ParseError::SyntaxError(SymbolError::new(None)))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/positioner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::AbsTree`
[INFO] [stderr]  --> src/abstree/positioner.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use abstree::AbsTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_position.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::AbsTree`
[INFO] [stderr]  --> src/abstree/abs_position.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use abstree::AbsTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AbsDecl`
[INFO] [stderr]  --> src/abstree/abs_expr.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_stmt.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_decl.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::position::Position`
[INFO] [stderr]   --> src/abstree/print_xml.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lexanal::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `State`
[INFO] [stderr]   --> src/lexanal/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / enum ParserState 
[INFO] [stderr] 17 | | {
[INFO] [stderr] 18 | |     InitialState,
[INFO] [stderr] 19 | |     IdentifierState,
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     StringEscapeState,
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::visitor::Visitor`
[INFO] [stderr]  --> src/synanal/run.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use abstree::visitor::Visitor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::position::Position`
[INFO] [stderr]   --> src/synanal/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lexanal::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::abs_position::AbsPosition`
[INFO] [stderr]   --> src/synanal/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use abstree::abs_position::AbsPosition;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::positioner::Positioner`
[INFO] [stderr]   --> src/synanal/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use abstree::positioner::Positioner;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/synanal/mod.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 return Ok(Some(expr));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Some(expr))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/synanal/mod.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Err(ParseError::IoError(ioe)) => return Err(ioe),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ioe)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:328:35
[INFO] [stderr]     |
[INFO] [stderr] 328 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::ADD,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:335:35
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::SUB,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:342:35
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::MUL,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::AND,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 abs_un_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:356:35
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 let abs_un_expr = Box::new(AbsUnExpr::new(AbsUnOper::NOT,expr));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |                         abs_fun_call
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:402:44
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         let abs_fun_call = Box::new(AbsFunCall::new(abs_expr_name,*fun_call_params));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:477:17
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 atom_expr
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 let atom_expr = Box::new(AbsAtomExpr::new_with_option(None));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:505:17
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 if_stmt
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:504:31
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 let if_stmt = Box::new(AbsIfStmt::new(cond_expr,then_expr,else_expr));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:519:17
[INFO] [stderr]     |
[INFO] [stderr] 519 |                 for_loop_expr
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:518:37
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 let for_loop_expr = Box::new(AbsForStmt::new(var_name,lower_bound,higher_bound,loop_exprs));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 while_expr
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:528:34
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 let while_expr = Box::new(AbsWhileStmt::new(cond_expr,loop_expr));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:614:17
[INFO] [stderr]     |
[INFO] [stderr] 614 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:613:33
[INFO] [stderr]     |
[INFO] [stderr] 613 |                 let atom_type = Box::new(AbsAtomType::new(AtomType::INT,&symbol));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:620:17
[INFO] [stderr]     |
[INFO] [stderr] 620 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:619:33
[INFO] [stderr]     |
[INFO] [stderr] 619 |                 let atom_type = Box::new(AbsAtomType::new(AtomType::REAL,&symbol));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:626:17
[INFO] [stderr]     |
[INFO] [stderr] 626 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:625:37
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 let mut atom_type = Box::new(AbsAtomType::new(AtomType::BOOL,&symbol));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:632:17
[INFO] [stderr]     |
[INFO] [stderr] 632 |                 atom_type
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:631:37
[INFO] [stderr]     |
[INFO] [stderr] 631 |                 let mut atom_type = Box::new(AbsAtomType::new(AtomType::STRING,&symbol));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:644:17
[INFO] [stderr]     |
[INFO] [stderr] 644 |                 type_name
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:643:37
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 let mut type_name = Box::new(AbsTypeName::new(self.skip(Token::IDENTIFIER)?));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:652:17
[INFO] [stderr]     |
[INFO] [stderr] 652 |                 abs_pointer_type
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:651:40
[INFO] [stderr]     |
[INFO] [stderr] 651 |                 let abs_pointer_type = Box::new(AbsPointerType::new(abs_type,&pointer_symbol));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:662:17
[INFO] [stderr]     |
[INFO] [stderr] 662 |                 array
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:661:29
[INFO] [stderr]     |
[INFO] [stderr] 661 |                 let array = Box::new(AbsArrType::new(arr_type,size_expr,&arr_symbol));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:671:17
[INFO] [stderr]     |
[INFO] [stderr] 671 |                 record
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:670:34
[INFO] [stderr]     |
[INFO] [stderr] 670 |                 let mut record = Box::new(AbsRecType::new(record_compoments,&rec_symbol));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/synanal/mod.rs:730:17
[INFO] [stderr]     |
[INFO] [stderr] 730 |                 abs_var_decl
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/synanal/mod.rs:729:36
[INFO] [stderr]     |
[INFO] [stderr] 729 |                 let abs_var_decl = Box::new(AbsVarDecl::new(identifier,abs_type));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/synanal/mod.rs:819:21
[INFO] [stderr]     |
[INFO] [stderr] 819 |             None => return Err(ParseError::SyntaxError(SymbolError::new(None))),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ParseError::SyntaxError(SymbolError::new(None)))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/positioner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::AbsTree`
[INFO] [stderr]  --> src/abstree/positioner.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use abstree::AbsTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_position.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `abstree::AbsTree`
[INFO] [stderr]  --> src/abstree/abs_position.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use abstree::AbsTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AbsDecl`
[INFO] [stderr]  --> src/abstree/abs_expr.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use abstree::abs_decl::{AbsDecl,AbsDecls};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_stmt.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::symbol::Symbol`
[INFO] [stderr]  --> src/abstree/abs_decl.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use lexanal::symbol::Symbol;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexanal::position::Position`
[INFO] [stderr]   --> src/abstree/print_xml.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lexanal::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fun_symbol`
[INFO] [stderr]    --> src/synanal/mod.rs:744:13
[INFO] [stderr]     |
[INFO] [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var_symbol`
[INFO] [stderr]    --> src/synanal/mod.rs:803:13
[INFO] [stderr]     |
[INFO] [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fun_symbol`
[INFO] [stderr]    --> src/synanal/mod.rs:744:13
[INFO] [stderr]     |
[INFO] [stderr] 744 |         let fun_symbol = self.skip(Token::FUN)?;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider using `_fun_symbol` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var_symbol`
[INFO] [stderr]    --> src/synanal/mod.rs:803:13
[INFO] [stderr]     |
[INFO] [stderr] 803 |         let var_symbol = self.skip(Token::VAR)?;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider using `_var_symbol` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/synanal/run.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/synanal/run.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/synanal/run.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut abstree_xml_creator : ProteusXmlCreator = match ProteusXmlCreator::open(String::from_str("abstree").unwrap()) {
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/synanal/run.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut lexical_analyser = match LexicalAnalyzer::new(program_name) 
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 28
[INFO] [stderr]    --> src/lexanal/mod.rs:136:6
[INFO] [stderr]     |
[INFO] [stderr] 136 | /      pub fn get_next_symbol(&mut self) -> Result<Option<Symbol>, io::Error> 
[INFO] [stderr] 137 | |      {
[INFO] [stderr] 138 | |          let mut state : ParserState = ParserState::InitialState;
[INFO] [stderr] 139 | |          let mut literal = String::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 418 | |          }
[INFO] [stderr] 419 | |      }
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lexanal/mod.rs:398:62
[INFO] [stderr]     |
[INFO] [stderr] 398 |                          None =>  report::error_at_position(&format!("Error: End of file occured, but string not closed!"),
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Error: End of file occured, but string not closed!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 28
[INFO] [stderr]    --> src/lexanal/mod.rs:136:6
[INFO] [stderr]     |
[INFO] [stderr] 136 | /      pub fn get_next_symbol(&mut self) -> Result<Option<Symbol>, io::Error> 
[INFO] [stderr] 137 | |      {
[INFO] [stderr] 138 | |          let mut state : ParserState = ParserState::InitialState;
[INFO] [stderr] 139 | |          let mut literal = String::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 418 | |          }
[INFO] [stderr] 419 | |      }
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/synanal/parse_error.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 None => format!("End of stream error!"),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"End of stream error!".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/synanal/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 124 | |         {
[INFO] [stderr] 125 | |             Some(Token::COMMA)  => 
[INFO] [stderr] 126 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |             _ => {},
[INFO] [stderr] 132 | |         }
[INFO] [stderr]     | |_________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 123 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 124 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 125 |     abs_exprs.exprs.push(self.parse_expression()?);
[INFO] [stderr] 126 |     abs_exprs = self.parse_expressions_rest(abs_exprs)?;
[INFO] [stderr] 127 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lexanal/mod.rs:398:62
[INFO] [stderr]     |
[INFO] [stderr] 398 |                          None =>  report::error_at_position(&format!("Error: End of file occured, but string not closed!"),
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Error: End of file occured, but string not closed!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/synanal/mod.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 151 | |         {
[INFO] [stderr] 152 | |             Some(Token::OR) =>
[INFO] [stderr] 153 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |             _ => {},
[INFO] [stderr] 160 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if let Some(Token::OR) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 151 |     self.skip(Token::OR)?;
[INFO] [stderr] 152 |     let abs_right_expr = self.parse_and_expression()?;
[INFO] [stderr] 153 |     let abs_bin_expr = Box::new(AbsBinExpr::new(AbsBinOper::OR,abs_expr,abs_right_expr));
[INFO] [stderr] 154 |     abs_expr = self.parse_or_expression_rest(abs_bin_expr)?;
[INFO] [stderr] 155 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/synanal/parse_error.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 None => format!("End of stream error!"),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"End of stream error!".to_string()`
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/synanal/mod.rs:178:10
[INFO] [stderr]     |
[INFO] [stderr] 178 | /          match self.symbol.as_ref().map(|symbol|  symbol.get_token())
[INFO] [stderr] 179 | |          {
[INFO] [stderr] 180 | |              Some(Token::AND)  => 
[INFO] [stderr] 181 | |              {
[INFO] [stderr] ...   |
[INFO] [stderr] 187 | |              _ => {},
[INFO] [stderr] 188 | |          }
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |          if let Some(Token::AND) = self.symbol.as_ref().map(|symbol|  symbol.get_token()) {
[INFO] [stderr] 179 |     self.skip(Token::AND)?;
[INFO] [stderr] 180 |     let rel_expr = self.parse_relational_expression()?;
[INFO] [stderr] 181 |     let abs_bin_expr = Box::new(AbsBinExpr::new(AbsBinOper::AND,abs_expr,rel_expr));
[INFO] [stderr] 182 |     abs_expr = self.parse_and_expression_rest(abs_bin_expr)?;
[INFO] [stderr] 183 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/synanal/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 124 | |         {
[INFO] [stderr] 125 | |             Some(Token::COMMA)  => 
[INFO] [stderr] 126 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |             _ => {},
[INFO] [stderr] 132 | |         }
[INFO] [stderr]     | |_________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 123 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 124 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 125 |     abs_exprs.exprs.push(self.parse_expression()?);
[INFO] [stderr] 126 |     abs_exprs = self.parse_expressions_rest(abs_exprs)?;
[INFO] [stderr] 127 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 151 | |         {
[INFO] [stderr] 152 | |             Some(Token::OR) =>
[INFO] [stderr] 153 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |             _ => {},
[INFO] [stderr] 160 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if let Some(Token::OR) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 151 |     self.skip(Token::OR)?;
[INFO] [stderr] 152 |     let abs_right_expr = self.parse_and_expression()?;
[INFO] [stderr] 153 |     let abs_bin_expr = Box::new(AbsBinExpr::new(AbsBinOper::OR,abs_expr,abs_right_expr));
[INFO] [stderr] 154 |     abs_expr = self.parse_or_expression_rest(abs_bin_expr)?;
[INFO] [stderr] 155 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:178:10
[INFO] [stderr]     |
[INFO] [stderr] 178 | /          match self.symbol.as_ref().map(|symbol|  symbol.get_token())
[INFO] [stderr] 179 | |          {
[INFO] [stderr] 180 | |              Some(Token::AND)  => 
[INFO] [stderr] 181 | |              {
[INFO] [stderr] ...   |
[INFO] [stderr] 187 | |              _ => {},
[INFO] [stderr] 188 | |          }
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |          if let Some(Token::AND) = self.symbol.as_ref().map(|symbol|  symbol.get_token()) {
[INFO] [stderr] 179 |     self.skip(Token::AND)?;
[INFO] [stderr] 180 |     let rel_expr = self.parse_relational_expression()?;
[INFO] [stderr] 181 |     let abs_bin_expr = Box::new(AbsBinExpr::new(AbsBinOper::AND,abs_expr,rel_expr));
[INFO] [stderr] 182 |     abs_expr = self.parse_and_expression_rest(abs_bin_expr)?;
[INFO] [stderr] 183 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:704:9
[INFO] [stderr]     |
[INFO] [stderr] 704 | /         match self.symbol.as_ref().map(|symbol|  symbol.get_token())
[INFO] [stderr] 705 | |         {
[INFO] [stderr] 706 | |             Some(Token::COMMA)  => 
[INFO] [stderr] 707 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 713 | |             _ => {},
[INFO] [stderr] 714 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 704 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol|  symbol.get_token()) {
[INFO] [stderr] 705 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 706 |     let compoment = self.parse_record_compoment()?;
[INFO] [stderr] 707 |     abs_decls.decls.push(compoment);
[INFO] [stderr] 708 |     self.parse_record_compoments_rest(abs_decls)?;
[INFO] [stderr] 709 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:785:9
[INFO] [stderr]     |
[INFO] [stderr] 785 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 786 | |         {
[INFO] [stderr] 787 | |             Some(Token::COMMA) => 
[INFO] [stderr] 788 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 794 | |             _ =>  {}, //return Err(ParseError::SyntaxError(SymbolError::new(self.symbol.take()))),
[INFO] [stderr] 795 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 785 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 786 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 787 |     let arg = self.parse_function_parameter()?;
[INFO] [stderr] 788 |     params.decls.push(arg);
[INFO] [stderr] 789 |     self.parse_function_parameters_rest(params)?;
[INFO] [stderr] 790 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/synanal/mod.rs:823:18
[INFO] [stderr]     |
[INFO] [stderr] 823 |                  self.xml_creator.as_mut().map(|xml| symbol.to_xml(xml));   
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: try this: `if let Some(xml) = self.xml_creator.as_mut() { symbol.to_xml(xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[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/synanal/mod.rs:832:9
[INFO] [stderr]     |
[INFO] [stderr] 832 | /         match self.xml_creator 
[INFO] [stderr] 833 | |         {
[INFO] [stderr] 834 | |             Some(ref mut xml) => 
[INFO] [stderr] 835 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 840 | |             None => {},
[INFO] [stderr] 841 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 832 |         if let Some(ref mut xml) = self.xml_creator {
[INFO] [stderr] 833 |     writeln!(xml, "<production>").unwrap();
[INFO] [stderr] 834 |     writeln!(xml, "<leftside nonterminal=\"{}\"/>", nontermial).unwrap();
[INFO] [stderr] 835 |     writeln!(xml, "<rightside>").unwrap();
[INFO] [stderr] 836 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:846:9
[INFO] [stderr]     |
[INFO] [stderr] 846 | /         match self.xml_creator 
[INFO] [stderr] 847 | |         {
[INFO] [stderr] 848 | |             Some(ref mut xml) => 
[INFO] [stderr] 849 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 853 | |             None => {},
[INFO] [stderr] 854 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 846 |         if let Some(ref mut xml) = self.xml_creator {
[INFO] [stderr] 847 |     writeln!(xml, "</rightside>").unwrap();
[INFO] [stderr] 848 |     writeln!(xml, "</production>").unwrap();
[INFO] [stderr] 849 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/report.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         match self {
[INFO] [stderr] 21 | |             &ExitCode::LexicalAnalyzerIlegallChar => writeln!(f, "LexicalAnalyzerIlegallChar"),
[INFO] [stderr] 22 | |             &ExitCode::SyntaxAnalyzerSyntaxError => writeln!(f, "SyntaxAnalyzerSyntaxError"),
[INFO] [stderr] 23 | |             &ExitCode::SyntaxAnalyzerUnexpectedEndOfStream => writeln!(f, "SyntaxAnalyzerUnexpectedEndOfStream"),
[INFO] [stderr] 24 | |             &ExitCode::AbstractSyntaxTreeInvalidExpression => writeln!(f, "AbstractSyntaxTreeInvalidExpression"),
[INFO] [stderr] 25 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 20 |         match *self {
[INFO] [stderr] 21 |             ExitCode::LexicalAnalyzerIlegallChar => writeln!(f, "LexicalAnalyzerIlegallChar"),
[INFO] [stderr] 22 |             ExitCode::SyntaxAnalyzerSyntaxError => writeln!(f, "SyntaxAnalyzerSyntaxError"),
[INFO] [stderr] 23 |             ExitCode::SyntaxAnalyzerUnexpectedEndOfStream => writeln!(f, "SyntaxAnalyzerUnexpectedEndOfStream"),
[INFO] [stderr] 24 |             ExitCode::AbstractSyntaxTreeInvalidExpression => writeln!(f, "AbstractSyntaxTreeInvalidExpression"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/report.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     writeln!(stderr(), ":-o {}",msg).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/report.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     writeln!(stderr(), ":-o {} {}", position, msg).unwrap()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `abstree::abs_position::AbsPosition`
[INFO] [stderr]   --> src/abstree/abs_position.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> AbsPosition { AbsPosition {position : None} }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Default)]
[INFO] [stderr]    |
[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/abstree/abs_position.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match self.position 
[INFO] [stderr] 36 | |         {
[INFO] [stderr] 37 | |             Some(ref mut pos) => 
[INFO] [stderr] 38 | |             {
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |             None => {},
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |         if let Some(ref mut pos) = self.position {
[INFO] [stderr] 36 |     pos.set_min(position);
[INFO] [stderr] 37 |     return;
[INFO] [stderr] 38 | }
[INFO] [stderr]    |
[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/abstree/abs_position.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 | /         match self.position 
[INFO] [stderr] 50 | |         {
[INFO] [stderr] 51 | |             Some(ref mut pos) => 
[INFO] [stderr] 52 | |             {
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |             None => {},
[INFO] [stderr] 57 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if let Some(ref mut pos) = self.position {
[INFO] [stderr] 50 |     pos.set_max(position);
[INFO] [stderr] 51 |     return;
[INFO] [stderr] 52 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `abstree::abs_expr::AbsExprs`
[INFO] [stderr]   --> src/abstree/abs_expr.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     pub fn new() -> Self
[INFO] [stderr] 24 | |     {
[INFO] [stderr] 25 | |         AbsExprs{exprs : Vec::new(), abs_position : AbsPosition::new()}
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Default for abstree::abs_expr::AbsExprs {
[INFO] [stderr] 22 |     fn default() -> Self {
[INFO] [stderr] 23 |         Self::new()
[INFO] [stderr] 24 |     }
[INFO] [stderr] 25 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `abstree::abs_decl::AbsDecls`
[INFO] [stderr]   --> src/abstree/abs_decl.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     pub fn new() -> AbsDecls
[INFO] [stderr] 21 | |     {
[INFO] [stderr] 22 | |         AbsDecls{decls : Vec::new(), abs_position : AbsPosition::new()}
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Default for abstree::abs_decl::AbsDecls {
[INFO] [stderr] 20 |     fn default() -> Self {
[INFO] [stderr] 21 |         Self::new()
[INFO] [stderr] 22 |     }
[INFO] [stderr] 23 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         acceptor.expr.as_ref().map(|expr|  expr.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(expr) = acceptor.expr.as_ref() { expr.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         acceptor.else_expr.as_ref().map(|expr| expr.accept(self));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(expr) = acceptor.else_expr.as_ref() { expr.accept(self) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[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/synanal/mod.rs:704:9
[INFO] [stderr]     |
[INFO] [stderr] 704 | /         match self.symbol.as_ref().map(|symbol|  symbol.get_token())
[INFO] [stderr] 705 | |         {
[INFO] [stderr] 706 | |             Some(Token::COMMA)  => 
[INFO] [stderr] 707 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 713 | |             _ => {},
[INFO] [stderr] 714 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 704 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol|  symbol.get_token()) {
[INFO] [stderr] 705 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 706 |     let compoment = self.parse_record_compoment()?;
[INFO] [stderr] 707 |     abs_decls.decls.push(compoment);
[INFO] [stderr] 708 |     self.parse_record_compoments_rest(abs_decls)?;
[INFO] [stderr] 709 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:785:9
[INFO] [stderr]     |
[INFO] [stderr] 785 | /         match self.symbol.as_ref().map(|symbol| symbol.get_token()) 
[INFO] [stderr] 786 | |         {
[INFO] [stderr] 787 | |             Some(Token::COMMA) => 
[INFO] [stderr] 788 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 794 | |             _ =>  {}, //return Err(ParseError::SyntaxError(SymbolError::new(self.symbol.take()))),
[INFO] [stderr] 795 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 785 |         if let Some(Token::COMMA) = self.symbol.as_ref().map(|symbol| symbol.get_token()) {
[INFO] [stderr] 786 |     self.skip(Token::COMMA)?;
[INFO] [stderr] 787 |     let arg = self.parse_function_parameter()?;
[INFO] [stderr] 788 |     params.decls.push(arg);
[INFO] [stderr] 789 |     self.parse_function_parameters_rest(params)?;
[INFO] [stderr] 790 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/synanal/mod.rs:823:18
[INFO] [stderr]     |
[INFO] [stderr] 823 |                  self.xml_creator.as_mut().map(|xml| symbol.to_xml(xml));   
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: try this: `if let Some(xml) = self.xml_creator.as_mut() { symbol.to_xml(xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[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/synanal/mod.rs:832:9
[INFO] [stderr]     |
[INFO] [stderr] 832 | /         match self.xml_creator 
[INFO] [stderr] 833 | |         {
[INFO] [stderr] 834 | |             Some(ref mut xml) => 
[INFO] [stderr] 835 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 840 | |             None => {},
[INFO] [stderr] 841 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 832 |         if let Some(ref mut xml) = self.xml_creator {
[INFO] [stderr] 833 |     writeln!(xml, "<production>").unwrap();
[INFO] [stderr] 834 |     writeln!(xml, "<leftside nonterminal=\"{}\"/>", nontermial).unwrap();
[INFO] [stderr] 835 |     writeln!(xml, "<rightside>").unwrap();
[INFO] [stderr] 836 | }
[INFO] [stderr]     |
[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/synanal/mod.rs:846:9
[INFO] [stderr]     |
[INFO] [stderr] 846 | /         match self.xml_creator 
[INFO] [stderr] 847 | |         {
[INFO] [stderr] 848 | |             Some(ref mut xml) => 
[INFO] [stderr] 849 | |             {
[INFO] [stderr] ...   |
[INFO] [stderr] 853 | |             None => {},
[INFO] [stderr] 854 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 846 |         if let Some(ref mut xml) = self.xml_creator {
[INFO] [stderr] 847 |     writeln!(xml, "</rightside>").unwrap();
[INFO] [stderr] 848 |     writeln!(xml, "</production>").unwrap();
[INFO] [stderr] 849 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/report.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         match self {
[INFO] [stderr] 21 | |             &ExitCode::LexicalAnalyzerIlegallChar => writeln!(f, "LexicalAnalyzerIlegallChar"),
[INFO] [stderr] 22 | |             &ExitCode::SyntaxAnalyzerSyntaxError => writeln!(f, "SyntaxAnalyzerSyntaxError"),
[INFO] [stderr] 23 | |             &ExitCode::SyntaxAnalyzerUnexpectedEndOfStream => writeln!(f, "SyntaxAnalyzerUnexpectedEndOfStream"),
[INFO] [stderr] 24 | |             &ExitCode::AbstractSyntaxTreeInvalidExpression => writeln!(f, "AbstractSyntaxTreeInvalidExpression"),
[INFO] [stderr] 25 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 20 |         match *self {
[INFO] [stderr] 21 |             ExitCode::LexicalAnalyzerIlegallChar => writeln!(f, "LexicalAnalyzerIlegallChar"),
[INFO] [stderr] 22 |             ExitCode::SyntaxAnalyzerSyntaxError => writeln!(f, "SyntaxAnalyzerSyntaxError"),
[INFO] [stderr] 23 |             ExitCode::SyntaxAnalyzerUnexpectedEndOfStream => writeln!(f, "SyntaxAnalyzerUnexpectedEndOfStream"),
[INFO] [stderr] 24 |             ExitCode::AbstractSyntaxTreeInvalidExpression => writeln!(f, "AbstractSyntaxTreeInvalidExpression"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/report.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     writeln!(stderr(), ":-o {}",msg).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/report.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     writeln!(stderr(), ":-o {} {}", position, msg).unwrap()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `abstree::abs_position::AbsPosition`
[INFO] [stderr]   --> src/abstree/abs_position.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> AbsPosition { AbsPosition {position : None} }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Default)]
[INFO] [stderr]    |
[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/abstree/abs_position.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match self.position 
[INFO] [stderr] 36 | |         {
[INFO] [stderr] 37 | |             Some(ref mut pos) => 
[INFO] [stderr] 38 | |             {
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |             None => {},
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |         if let Some(ref mut pos) = self.position {
[INFO] [stderr] 36 |     pos.set_min(position);
[INFO] [stderr] 37 |     return;
[INFO] [stderr] 38 | }
[INFO] [stderr]    |
[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/abstree/abs_position.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 | /         match self.position 
[INFO] [stderr] 50 | |         {
[INFO] [stderr] 51 | |             Some(ref mut pos) => 
[INFO] [stderr] 52 | |             {
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |             None => {},
[INFO] [stderr] 57 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if let Some(ref mut pos) = self.position {
[INFO] [stderr] 50 |     pos.set_max(position);
[INFO] [stderr] 51 |     return;
[INFO] [stderr] 52 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `abstree::abs_expr::AbsExprs`
[INFO] [stderr]   --> src/abstree/abs_expr.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     pub fn new() -> Self
[INFO] [stderr] 24 | |     {
[INFO] [stderr] 25 | |         AbsExprs{exprs : Vec::new(), abs_position : AbsPosition::new()}
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Default for abstree::abs_expr::AbsExprs {
[INFO] [stderr] 22 |     fn default() -> Self {
[INFO] [stderr] 23 |         Self::new()
[INFO] [stderr] 24 |     }
[INFO] [stderr] 25 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `abstree::abs_decl::AbsDecls`
[INFO] [stderr]   --> src/abstree/abs_decl.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     pub fn new() -> AbsDecls
[INFO] [stderr] 21 | |     {
[INFO] [stderr] 22 | |         AbsDecls{decls : Vec::new(), abs_position : AbsPosition::new()}
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Default for abstree::abs_decl::AbsDecls {
[INFO] [stderr] 20 |     fn default() -> Self {
[INFO] [stderr] 21 |         Self::new()
[INFO] [stderr] 22 |     }
[INFO] [stderr] 23 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         acceptor.expr.as_ref().map(|expr|  expr.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(expr) = acceptor.expr.as_ref() { expr.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/abstree/print_xml.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         acceptor.else_expr.as_ref().map(|expr| expr.accept(self));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(expr) = acceptor.else_expr.as_ref() { expr.accept(self) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/abstree/print_xml.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         acceptor.get_position_ref().map(|position| position.to_xml(&mut self.xml));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(position) = acceptor.get_position_ref() { position.to_xml(&mut self.xml) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "3edbb174e540deb60e2b41923228aae08ab5e19ccf664d8de4a0bfe4775e027f"`
[INFO] running `"docker" "rm" "-f" "3edbb174e540deb60e2b41923228aae08ab5e19ccf664d8de4a0bfe4775e027f"`
[INFO] [stdout] 3edbb174e540deb60e2b41923228aae08ab5e19ccf664d8de4a0bfe4775e027f