[INFO] cloning repository https://github.com/Kakuho/rust_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kakuho/rust_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKakuho%2Frust_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKakuho%2Frust_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823e046dfde5cbe0b3b05e1ca111d13ff13f7dd4
[INFO] linting Kakuho/rust_parser against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKakuho%2Frust_parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kakuho/rust_parser
[INFO] finished tweaking git repo https://github.com/Kakuho/rust_parser
[INFO] tweaked toml for git repo https://github.com/Kakuho/rust_parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kakuho/rust_parser on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kakuho/rust_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10eb261cad264aeba6ef30ca4297bbbf11f455d17f30a6b835f44e1b51cbe02d
[INFO] running `Command { std: "docker" "start" "-a" "10eb261cad264aeba6ef30ca4297bbbf11f455d17f30a6b835f44e1b51cbe02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10eb261cad264aeba6ef30ca4297bbbf11f455d17f30a6b835f44e1b51cbe02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eb261cad264aeba6ef30ca4297bbbf11f455d17f30a6b835f44e1b51cbe02d", kill_on_drop: false }`
[INFO] [stdout] 10eb261cad264aeba6ef30ca4297bbbf11f455d17f30a6b835f44e1b51cbe02d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df4b241abdd585a58392d8c279220cee9f316ece4e33bacc5daab806ab52d0d
[INFO] running `Command { std: "docker" "start" "-a" "8df4b241abdd585a58392d8c279220cee9f316ece4e33bacc5daab806ab52d0d", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         is_const: is_const,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `is_const`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         is_async: is_async,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `is_async`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         is_safe: is_safe,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `is_safe`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         is_unsafe: is_unsafe
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `is_unsafe`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/concrete/parser.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |     if(self.position >= self.tokens.len()){
[INFO] [stdout]     |       ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     if(self.position >= self.tokens.len()){
[INFO] [stdout] 153 +     if self.position >= self.tokens.len() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:202:38
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: replace it with: `pattern`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:202:76
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `expression`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 |       qualifier: qualifier,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `qualifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |       identifier: identifier,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |       block_expression: block_expression
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `block_expression`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `top_level::CstCrate`
[INFO] [stdout]  --> src/concrete/cst.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use top_level::CstCrate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `top_level::CstItem`
[INFO] [stdout]  --> src/concrete/cst.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use top_level::CstItem;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     for i in (0.. level){
[INFO] [stdout] 113 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -     for i in (0.. level){
[INFO] [stdout] 119 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 126 -     for i in (0.. level){
[INFO] [stdout] 126 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     for i in (0.. level){
[INFO] [stdout] 135 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 -     for i in (0.. level){
[INFO] [stdout] 144 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `statement::StatementKind`
[INFO] [stdout]   --> src/concrete/cst.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use statement::StatementKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |       is_ref: is_ref,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: replace it with: `is_ref`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |       is_mutable: is_mutable,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `is_mutable`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |       identifier: identifier
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `patterns::PatternNoTopAltKind`
[INFO] [stdout]   --> src/concrete/cst.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use patterns::PatternNoTopAltKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `saved_pos`
[INFO] [stdout]    --> src/concrete/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let saved_pos = self.position; // for back tracking later 
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saved_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]    --> src/concrete/parser.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |       Some(pattern) => self.position = self.position+1,
[INFO] [stdout]     |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |   let program = Program{
[INFO] [stdout]     |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]  --> src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program{
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 5 |   buffer: String
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_main_function` is never used
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn parse_main_function(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_block_expression` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_block_expression(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_statements_1` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn parse_statements_1(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse`, `parse_function`, `parse_function_qualifiers`, `parse_block_expression`, `parse_statements`, and `parse_statement` are never used
[INFO] [stdout]    --> src/concrete/parser.rs:18:10
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl Parser{
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  18 |   pub fn parse(self) -> i8{
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |   pub fn parse_function(&mut self) -> Option<cst::CstFunction>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |   fn parse_function_qualifiers(&mut self) -> Option<cst::CstFunctionQualifier>{
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |   pub fn parse_block_expression(&mut self) -> Option<cst::CstBlockExpression>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |   pub fn parse_statements(&mut self) -> Option<cst::CstStatements>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |   pub fn parse_statement(&mut self) -> Option<cst::CstStatement>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstCrate` is never constructed
[INFO] [stdout]  --> src/concrete/cst/top_level.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CstCrate{
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstItem` is never constructed
[INFO] [stdout]  --> src/concrete/cst/top_level.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CstItem{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VisItemChild` is never used
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum VisItemChild{
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstVisItem` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CstVisItem{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstFunction` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CstFunction{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstFunctionQualifier` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CstFunctionQualifier{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `print` are never used
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl CstFunction{
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 40 |   pub fn create(qualifier: Option<CstFunctionQualifier>, identifier: String, block_expression: Option<expressions::CstBlockExpressio...
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstBlockExpression` is never constructed
[INFO] [stdout]  --> src/concrete/cst/expressions.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CstBlockExpression{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]  --> src/concrete/cst/expressions.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CstBlockExpression{
[INFO] [stdout]   | ----------------------- method in this implementation
[INFO] [stdout] 7 |   pub fn print(&self){
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstStatements` is never constructed
[INFO] [stdout]  --> src/concrete/cst/statement.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CstStatements{
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_empty`, `add_statement`, `len`, and `print` are never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl CstStatements{
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 10 |   pub fn make_empty() -> Self{
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn add_statement(&mut self, stmt: CstStatement){
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   pub fn len(&self) -> usize{
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatementKind` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum StatementKind{
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl StatementKind{
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstStatement` is never constructed
[INFO] [stdout]   --> src/concrete/cst/statement.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct CstStatement{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl CstStatement{
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 47 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `print_as_child` are never used
[INFO] [stdout]    --> src/concrete/cst/statement.rs:68:10
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl CstLetStatement{
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  68 |   pub fn print(&self){
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |   pub fn print_as_child(&self, level: u8){
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LiteralPattern` is never constructed
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PatternWithoutRangeKind{
[INFO] [stdout]    |      ----------------------- variant in this enum
[INFO] [stdout] 32 |   LiteralPattern(expressions::CstLiteralExpression),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]  --> src/lex.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Lexer{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lex.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum LexerToken{
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  6 |   Char(char),
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]  7 |   // keywords, could be stored in a  hashmap instead 
[INFO] [stdout]  8 |   Fn,
[INFO] [stdout]    |   ^^
[INFO] [stdout]  9 |   Const,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 10 |   Async,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 11 |   Safe,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 12 |   Unsafe,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 13 |   Extern,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 14 |   Let,
[INFO] [stdout] 15 |   Abi(String),
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 16 |   Ref,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |   Character(char),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 20 |   String(String),
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 21 |   Integral(i32),
[INFO] [stdout] 22 |   Float(f64),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   SingleQuote,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 27 |   DoubleQuote,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   LeftCurlyBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 33 |   RightCurlyBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |   LeftRoundBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |   RightRoundBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/parser.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     return Some(
[INFO] [stdout] 68 | |       cst::CstFunction::create(qualifiers, identifier, block_expression)
[INFO] [stdout] 69 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     Some(
[INFO] [stdout] 68 +       cst::CstFunction::create(qualifiers, identifier, block_expression)
[INFO] [stdout] 69 +     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stdout]   --> src/concrete/parser.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let ref ident_token = self.tokens[self.position];
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^------------------------------ help: try: `let ident_token = &self.tokens[self.position];`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stdout]    = note: `#[warn(clippy::toplevel_ref_arg)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     return Some(
[INFO] [stdout] 111 | |       cst::CstFunctionQualifier{
[INFO] [stdout] 112 | |         is_const: is_const,
[INFO] [stdout] 113 | |         is_async: is_async,
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 110 ~     Some(
[INFO] [stdout] 111 +       cst::CstFunctionQualifier{
[INFO] [stdout] 112 +         is_const: is_const,
[INFO] [stdout] 113 +         is_async: is_async,
[INFO] [stdout] 114 +         is_safe: is_safe,
[INFO] [stdout] 115 +         is_unsafe: is_unsafe
[INFO] [stdout] 116 +       }
[INFO] [stdout] 117 +     )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         is_const: is_const,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `is_const`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         is_async: is_async,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `is_async`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         is_safe: is_safe,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `is_safe`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         is_unsafe: is_unsafe
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `is_unsafe`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     return Some(cst::CstBlockExpression{});
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     return Some(cst::CstBlockExpression{});
[INFO] [stdout] 132 +     Some(cst::CstBlockExpression{})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |       lex::LexerToken::LeftCurlyBrace => self.position = self.position+1,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/concrete/parser.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |     if(self.position >= self.tokens.len()){
[INFO] [stdout]     |       ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     if(self.position >= self.tokens.len()){
[INFO] [stdout] 153 +     if self.position >= self.tokens.len() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:202:38
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: replace it with: `pattern`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/concrete/parser.rs:202:76
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `expression`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 |       qualifier: qualifier,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `qualifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |       identifier: identifier,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |       block_expression: block_expression
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `block_expression`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `top_level::CstCrate`
[INFO] [stdout]  --> src/concrete/cst.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use top_level::CstCrate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `top_level::CstItem`
[INFO] [stdout]  --> src/concrete/cst.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use top_level::CstItem;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |       lex::LexerToken::RightCurlyBrace => self.position = self.position+1,
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/concrete/parser.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 138 |     while !statement.is_none(){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: try: `statement.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:143:7
[INFO] [stdout]     |
[INFO] [stdout] 143 |       return None;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 143 -       return None;
[INFO] [stdout] 143 +       None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |       return Some(cst_statements);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 146 -       return Some(cst_statements);
[INFO] [stdout] 146 +       Some(cst_statements)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/concrete/parser.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | /     match let_statement{
[INFO] [stdout] 159 | |       Some(let_statement) => {return Some(cst::CstStatement::from(let_statement)); },
[INFO] [stdout] 160 | |       None => {}
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____^ help: try: `if let Some(let_statement) = let_statement {return Some(cst::CstStatement::from(let_statement)); }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 202 -     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout] 202 +     Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:167:31
[INFO] [stdout]     |
[INFO] [stdout] 167 |       lex::LexerToken::Let => self.position = self.position+1,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |       Some(pattern) => self.position = self.position+1,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |       lex::LexerToken::Equal => self.position = self.position+1,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:198:37
[INFO] [stdout]     |
[INFO] [stdout] 198 |       lex::LexerToken::SemiColon => self.position = self.position+1,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 219 |     return Some(type_val);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 219 -     return Some(type_val);
[INFO] [stdout] 219 +     Some(type_val)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:207:33
[INFO] [stdout]     |
[INFO] [stdout] 207 |       lex::LexerToken::Colon => self.position = self.position+1,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     for i in (0.. level){
[INFO] [stdout] 113 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -     for i in (0.. level){
[INFO] [stdout] 119 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 126 -     for i in (0.. level){
[INFO] [stdout] 126 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     for i in (0.. level){
[INFO] [stdout] 135 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/concrete/cst/statement.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in (0.. level){
[INFO] [stdout]     |              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 -     for i in (0.. level){
[INFO] [stdout] 144 +     for i in 0.. level {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `statement::StatementKind`
[INFO] [stdout]   --> src/concrete/cst.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use statement::StatementKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |       is_ref: is_ref,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: replace it with: `is_ref`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |       is_mutable: is_mutable,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `is_mutable`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     return None;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 234 -     return None;
[INFO] [stdout] 234 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     return None;  
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 264 -     return None;  
[INFO] [stdout] 264 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:286:5
[INFO] [stdout]     |
[INFO] [stdout] 286 |     return Some(cst::CstLiteralExpression::from(char_val));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 286 -     return Some(cst::CstLiteralExpression::from(char_val));
[INFO] [stdout] 286 +     Some(cst::CstLiteralExpression::from(char_val))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |       identifier: identifier
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `patterns::PatternNoTopAltKind`
[INFO] [stdout]   --> src/concrete/cst.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use patterns::PatternNoTopAltKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:282:39
[INFO] [stdout]     |
[INFO] [stdout] 282 |       lex::LexerToken::SingleQuote => self.position = self.position+1,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     return Some(cst::CstLiteralExpression::from(string_val));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 308 -     return Some(cst::CstLiteralExpression::from(string_val));
[INFO] [stdout] 308 +     Some(cst::CstLiteralExpression::from(string_val))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         return Some(cst::CstLiteralExpression::from(val));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 316 ~         Some(cst::CstLiteralExpression::from(val))
[INFO] [stdout] 317 |       },
[INFO] [stdout] 318 |       _ => {return None;}
[INFO] [stdout] 319 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |       _ => {return None;}
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 318 ~       _ => {None}
[INFO] [stdout] 319 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Some(cst::CstLiteralExpression::from(val));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 326 ~         Some(cst::CstLiteralExpression::from(val))
[INFO] [stdout] 327 |       },
[INFO] [stdout] 328 |       _ => {return None;}
[INFO] [stdout] 329 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |       _ => {return None;}
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 328 ~       _ => {None}
[INFO] [stdout] 329 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     return Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 338 -     return Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()));
[INFO] [stdout] 338 +     Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `identifier_pattern` after checking its variant with `is_none`
[INFO] [stdout]    --> src/concrete/parser.rs:348:53
[INFO] [stdout]     |
[INFO] [stdout] 344 |     if identifier_pattern.is_none() {
[INFO] [stdout]     |     ------------------------------- help: try: `if let Some(<item>) = identifier_pattern`
[INFO] [stdout] ...
[INFO] [stdout] 348 |       return Some(cst::CstPatternWithoutRange::from(identifier_pattern.unwrap()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 350 |     return None;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 350 -     return None;
[INFO] [stdout] 350 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/concrete/parser.rs:365:66
[INFO] [stdout]     |
[INFO] [stdout] 365 |       lex::LexerToken::Identifier(identifier) => { String::clone(&identifier)},
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     match &self.qualifier{
[INFO] [stdout] 53 | |       Some(qualifiers) => {
[INFO] [stdout] 54 | |         if qualifiers.is_const{
[INFO] [stdout] 55 | |           println!("Const");
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |       None => {}
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 52 ~     if let Some(qualifiers) = &self.qualifier {
[INFO] [stdout] 53 +       if qualifiers.is_const{
[INFO] [stdout] 54 +         println!("Const");
[INFO] [stdout] 55 +       }
[INFO] [stdout] 56 + 
[INFO] [stdout] 57 +       if qualifiers.is_async {
[INFO] [stdout] 58 +         println!("Async");
[INFO] [stdout] 59 +       }
[INFO] [stdout] 60 + 
[INFO] [stdout] 61 +       if qualifiers.is_unsafe {
[INFO] [stdout] 62 +         println!("Unsafe");
[INFO] [stdout] 63 +       }
[INFO] [stdout] 64 +       else{
[INFO] [stdout] 65 +         println!("Safe");
[INFO] [stdout] 66 +       }
[INFO] [stdout] 67 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     match &self.block_expression{
[INFO] [stdout] 75 | |       Some(blocknode) => {
[INFO] [stdout] 76 | |         blocknode.print();
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 74 ~     if let Some(blocknode) = &self.block_expression {
[INFO] [stdout] 75 +       blocknode.print();
[INFO] [stdout] 76 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     return CstLiteralExpression {
[INFO] [stdout] 60 | |       literal: LiteralExpressionKind::Char(item)
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 ~     CstLiteralExpression {
[INFO] [stdout] 60 +       literal: LiteralExpressionKind::Char(item)
[INFO] [stdout] 61 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     return CstLiteralExpression {
[INFO] [stdout] 68 | |       literal: LiteralExpressionKind::String(item)
[INFO] [stdout] 69 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     CstLiteralExpression {
[INFO] [stdout] 68 +       literal: LiteralExpressionKind::String(item)
[INFO] [stdout] 69 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     return CstLiteralExpression {
[INFO] [stdout] 76 | |       literal: LiteralExpressionKind::Integral(item)
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 ~     CstLiteralExpression {
[INFO] [stdout] 76 +       literal: LiteralExpressionKind::Integral(item)
[INFO] [stdout] 77 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     return CstLiteralExpression {
[INFO] [stdout] 84 | |       literal: LiteralExpressionKind::Float(item)
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 ~     CstLiteralExpression {
[INFO] [stdout] 84 +       literal: LiteralExpressionKind::Float(item)
[INFO] [stdout] 85 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/statement.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     return CstStatement{kind: StatementKind::LetStatement(node)};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     return CstStatement{kind: StatementKind::LetStatement(node)};
[INFO] [stdout] 55 +     CstStatement{kind: StatementKind::LetStatement(node)}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     match &self.kind{
[INFO] [stdout] 50 | |       PatternWithoutRangeKind::IdentifierPattern(node) => {node.print();}
[INFO] [stdout] 51 | |       _ => {}
[INFO] [stdout] 52 | |     }
[INFO] [stdout]    | |_____^ help: try: `if let PatternWithoutRangeKind::IdentifierPattern(node) = &self.kind {node.print();}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `saved_pos`
[INFO] [stdout]    --> src/concrete/parser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let saved_pos = self.position; // for back tracking later 
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saved_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]    --> src/concrete/parser.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |       Some(pattern) => self.position = self.position+1,
[INFO] [stdout]     |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/concrete/cst/statement.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     for i in (0.. level){
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |   let program = Program{
[INFO] [stdout]     |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]  --> src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program{
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 5 |   buffer: String
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_main_function` is never used
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn parse_main_function(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_block_expression` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_block_expression(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_statements_1` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn parse_statements_1(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse`, `parse_function`, `parse_function_qualifiers`, `parse_block_expression`, `parse_statements`, and `parse_statement` are never used
[INFO] [stdout]    --> src/concrete/parser.rs:18:10
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl Parser{
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  18 |   pub fn parse(self) -> i8{
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |   pub fn parse_function(&mut self) -> Option<cst::CstFunction>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |   fn parse_function_qualifiers(&mut self) -> Option<cst::CstFunctionQualifier>{
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |   pub fn parse_block_expression(&mut self) -> Option<cst::CstBlockExpression>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |   pub fn parse_statements(&mut self) -> Option<cst::CstStatements>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |   pub fn parse_statement(&mut self) -> Option<cst::CstStatement>{
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstCrate` is never constructed
[INFO] [stdout]  --> src/concrete/cst/top_level.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CstCrate{
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstItem` is never constructed
[INFO] [stdout]  --> src/concrete/cst/top_level.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CstItem{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VisItemChild` is never used
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum VisItemChild{
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstVisItem` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CstVisItem{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstFunction` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CstFunction{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstFunctionQualifier` is never constructed
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CstFunctionQualifier{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `print` are never used
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl CstFunction{
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 40 |   pub fn create(qualifier: Option<CstFunctionQualifier>, identifier: String, block_expression: Option<expressions::CstBlockExpressio...
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstBlockExpression` is never constructed
[INFO] [stdout]  --> src/concrete/cst/expressions.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CstBlockExpression{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]  --> src/concrete/cst/expressions.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl CstBlockExpression{
[INFO] [stdout]   | ----------------------- method in this implementation
[INFO] [stdout] 7 |   pub fn print(&self){
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstStatements` is never constructed
[INFO] [stdout]  --> src/concrete/cst/statement.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CstStatements{
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_empty`, `add_statement`, `len`, and `print` are never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl CstStatements{
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 10 |   pub fn make_empty() -> Self{
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn add_statement(&mut self, stmt: CstStatement){
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   pub fn len(&self) -> usize{
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatementKind` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum StatementKind{
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl StatementKind{
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CstStatement` is never constructed
[INFO] [stdout]   --> src/concrete/cst/statement.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct CstStatement{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/concrete/cst/statement.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl CstStatement{
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 47 |   pub fn print(&self){
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `print_as_child` are never used
[INFO] [stdout]    --> src/concrete/cst/statement.rs:68:10
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl CstLetStatement{
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  68 |   pub fn print(&self){
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |   pub fn print_as_child(&self, level: u8){
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LiteralPattern` is never constructed
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PatternWithoutRangeKind{
[INFO] [stdout]    |      ----------------------- variant in this enum
[INFO] [stdout] 32 |   LiteralPattern(expressions::CstLiteralExpression),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]  --> src/lex.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Lexer{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lex.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum LexerToken{
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  6 |   Char(char),
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]  7 |   // keywords, could be stored in a  hashmap instead 
[INFO] [stdout]  8 |   Fn,
[INFO] [stdout]    |   ^^
[INFO] [stdout]  9 |   Const,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 10 |   Async,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 11 |   Safe,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 12 |   Unsafe,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 13 |   Extern,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 14 |   Let,
[INFO] [stdout] 15 |   Abi(String),
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 16 |   Ref,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |   Character(char),
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 20 |   String(String),
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 21 |   Integral(i32),
[INFO] [stdout] 22 |   Float(f64),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   SingleQuote,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 27 |   DoubleQuote,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   LeftCurlyBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 33 |   RightCurlyBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |   LeftRoundBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |   RightRoundBrace,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/parser.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     return Some(
[INFO] [stdout] 68 | |       cst::CstFunction::create(qualifiers, identifier, block_expression)
[INFO] [stdout] 69 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     Some(
[INFO] [stdout] 68 +       cst::CstFunction::create(qualifiers, identifier, block_expression)
[INFO] [stdout] 69 +     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stdout]   --> src/concrete/parser.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let ref ident_token = self.tokens[self.position];
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^------------------------------ help: try: `let ident_token = &self.tokens[self.position];`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stdout]    = note: `#[warn(clippy::toplevel_ref_arg)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     return Some(
[INFO] [stdout] 111 | |       cst::CstFunctionQualifier{
[INFO] [stdout] 112 | |         is_const: is_const,
[INFO] [stdout] 113 | |         is_async: is_async,
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 110 ~     Some(
[INFO] [stdout] 111 +       cst::CstFunctionQualifier{
[INFO] [stdout] 112 +         is_const: is_const,
[INFO] [stdout] 113 +         is_async: is_async,
[INFO] [stdout] 114 +         is_safe: is_safe,
[INFO] [stdout] 115 +         is_unsafe: is_unsafe
[INFO] [stdout] 116 +       }
[INFO] [stdout] 117 +     )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     return Some(cst::CstBlockExpression{});
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     return Some(cst::CstBlockExpression{});
[INFO] [stdout] 132 +     Some(cst::CstBlockExpression{})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |       lex::LexerToken::LeftCurlyBrace => self.position = self.position+1,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |       lex::LexerToken::RightCurlyBrace => self.position = self.position+1,
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/concrete/parser.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 138 |     while !statement.is_none(){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: try: `statement.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:143:7
[INFO] [stdout]     |
[INFO] [stdout] 143 |       return None;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 143 -       return None;
[INFO] [stdout] 143 +       None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |       return Some(cst_statements);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 146 -       return Some(cst_statements);
[INFO] [stdout] 146 +       Some(cst_statements)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/concrete/parser.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | /     match let_statement{
[INFO] [stdout] 159 | |       Some(let_statement) => {return Some(cst::CstStatement::from(let_statement)); },
[INFO] [stdout] 160 | |       None => {}
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____^ help: try: `if let Some(let_statement) = let_statement {return Some(cst::CstStatement::from(let_statement)); }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 202 -     return Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression});
[INFO] [stdout] 202 +     Some(cst::CstLetStatement{pattern: pattern, let_type: type_val, expression: expression})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:167:31
[INFO] [stdout]     |
[INFO] [stdout] 167 |       lex::LexerToken::Let => self.position = self.position+1,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |       Some(pattern) => self.position = self.position+1,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |       lex::LexerToken::Equal => self.position = self.position+1,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:198:37
[INFO] [stdout]     |
[INFO] [stdout] 198 |       lex::LexerToken::SemiColon => self.position = self.position+1,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 219 |     return Some(type_val);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 219 -     return Some(type_val);
[INFO] [stdout] 219 +     Some(type_val)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:207:33
[INFO] [stdout]     |
[INFO] [stdout] 207 |       lex::LexerToken::Colon => self.position = self.position+1,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     return None;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 234 -     return None;
[INFO] [stdout] 234 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     return None;  
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 264 -     return None;  
[INFO] [stdout] 264 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:286:5
[INFO] [stdout]     |
[INFO] [stdout] 286 |     return Some(cst::CstLiteralExpression::from(char_val));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 286 -     return Some(cst::CstLiteralExpression::from(char_val));
[INFO] [stdout] 286 +     Some(cst::CstLiteralExpression::from(char_val))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/concrete/parser.rs:282:39
[INFO] [stdout]     |
[INFO] [stdout] 282 |       lex::LexerToken::SingleQuote => self.position = self.position+1,
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.position += 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     return Some(cst::CstLiteralExpression::from(string_val));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 308 -     return Some(cst::CstLiteralExpression::from(string_val));
[INFO] [stdout] 308 +     Some(cst::CstLiteralExpression::from(string_val))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         return Some(cst::CstLiteralExpression::from(val));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 316 ~         Some(cst::CstLiteralExpression::from(val))
[INFO] [stdout] 317 |       },
[INFO] [stdout] 318 |       _ => {return None;}
[INFO] [stdout] 319 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |       _ => {return None;}
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 318 ~       _ => {None}
[INFO] [stdout] 319 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Some(cst::CstLiteralExpression::from(val));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 326 ~         Some(cst::CstLiteralExpression::from(val))
[INFO] [stdout] 327 |       },
[INFO] [stdout] 328 |       _ => {return None;}
[INFO] [stdout] 329 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |       _ => {return None;}
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 328 ~       _ => {None}
[INFO] [stdout] 329 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     return Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 338 -     return Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()));
[INFO] [stdout] 338 +     Some(cst::CstPatternNoTopAlt::from(pattern.unwrap()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `identifier_pattern` after checking its variant with `is_none`
[INFO] [stdout]    --> src/concrete/parser.rs:348:53
[INFO] [stdout]     |
[INFO] [stdout] 344 |     if identifier_pattern.is_none() {
[INFO] [stdout]     |     ------------------------------- help: try: `if let Some(<item>) = identifier_pattern`
[INFO] [stdout] ...
[INFO] [stdout] 348 |       return Some(cst::CstPatternWithoutRange::from(identifier_pattern.unwrap()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/concrete/parser.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 350 |     return None;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 350 -     return None;
[INFO] [stdout] 350 +     None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/concrete/parser.rs:365:66
[INFO] [stdout]     |
[INFO] [stdout] 365 |       lex::LexerToken::Identifier(identifier) => { String::clone(&identifier)},
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^ help: change this to: `identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     match &self.qualifier{
[INFO] [stdout] 53 | |       Some(qualifiers) => {
[INFO] [stdout] 54 | |         if qualifiers.is_const{
[INFO] [stdout] 55 | |           println!("Const");
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |       None => {}
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 52 ~     if let Some(qualifiers) = &self.qualifier {
[INFO] [stdout] 53 +       if qualifiers.is_const{
[INFO] [stdout] 54 +         println!("Const");
[INFO] [stdout] 55 +       }
[INFO] [stdout] 56 + 
[INFO] [stdout] 57 +       if qualifiers.is_async {
[INFO] [stdout] 58 +         println!("Async");
[INFO] [stdout] 59 +       }
[INFO] [stdout] 60 + 
[INFO] [stdout] 61 +       if qualifiers.is_unsafe {
[INFO] [stdout] 62 +         println!("Unsafe");
[INFO] [stdout] 63 +       }
[INFO] [stdout] 64 +       else{
[INFO] [stdout] 65 +         println!("Safe");
[INFO] [stdout] 66 +       }
[INFO] [stdout] 67 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/top_level.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     match &self.block_expression{
[INFO] [stdout] 75 | |       Some(blocknode) => {
[INFO] [stdout] 76 | |         blocknode.print();
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 74 ~     if let Some(blocknode) = &self.block_expression {
[INFO] [stdout] 75 +       blocknode.print();
[INFO] [stdout] 76 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     return CstLiteralExpression {
[INFO] [stdout] 60 | |       literal: LiteralExpressionKind::Char(item)
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 ~     CstLiteralExpression {
[INFO] [stdout] 60 +       literal: LiteralExpressionKind::Char(item)
[INFO] [stdout] 61 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     return CstLiteralExpression {
[INFO] [stdout] 68 | |       literal: LiteralExpressionKind::String(item)
[INFO] [stdout] 69 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 67 ~     CstLiteralExpression {
[INFO] [stdout] 68 +       literal: LiteralExpressionKind::String(item)
[INFO] [stdout] 69 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     return CstLiteralExpression {
[INFO] [stdout] 76 | |       literal: LiteralExpressionKind::Integral(item)
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 ~     CstLiteralExpression {
[INFO] [stdout] 76 +       literal: LiteralExpressionKind::Integral(item)
[INFO] [stdout] 77 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/expressions.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     return CstLiteralExpression {
[INFO] [stdout] 84 | |       literal: LiteralExpressionKind::Float(item)
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 ~     CstLiteralExpression {
[INFO] [stdout] 84 +       literal: LiteralExpressionKind::Float(item)
[INFO] [stdout] 85 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/concrete/cst/statement.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     return CstStatement{kind: StatementKind::LetStatement(node)};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     return CstStatement{kind: StatementKind::LetStatement(node)};
[INFO] [stdout] 55 +     CstStatement{kind: StatementKind::LetStatement(node)}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/concrete/cst/patterns.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     match &self.kind{
[INFO] [stdout] 50 | |       PatternWithoutRangeKind::IdentifierPattern(node) => {node.print();}
[INFO] [stdout] 51 | |       _ => {}
[INFO] [stdout] 52 | |     }
[INFO] [stdout]    | |_____^ help: try: `if let PatternWithoutRangeKind::IdentifierPattern(node) = &self.kind {node.print();}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "8df4b241abdd585a58392d8c279220cee9f316ece4e33bacc5daab806ab52d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df4b241abdd585a58392d8c279220cee9f316ece4e33bacc5daab806ab52d0d", kill_on_drop: false }`
[INFO] [stdout] 8df4b241abdd585a58392d8c279220cee9f316ece4e33bacc5daab806ab52d0d