[INFO] cloning repository https://github.com/CyberCat3/CahnLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CyberCat3/CahnLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberCat3%2FCahnLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberCat3%2FCahnLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 233044660e3325a707d7c4e4e3214fc8e565711b
[INFO] linting CyberCat3/CahnLang against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberCat3%2FCahnLang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CyberCat3/CahnLang
[INFO] finished tweaking git repo https://github.com/CyberCat3/CahnLang
[INFO] tweaked toml for git repo https://github.com/CyberCat3/CahnLang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CyberCat3/CahnLang 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/CyberCat3/CahnLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intmap v0.7.0
[INFO] [stderr]   Downloaded ahash v0.7.2
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c73639d4be44f68009630cd5bb7eb6af7574362b1aeaebfa33d3a4434233f76
[INFO] running `Command { std: "docker" "start" "-a" "9c73639d4be44f68009630cd5bb7eb6af7574362b1aeaebfa33d3a4434233f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c73639d4be44f68009630cd5bb7eb6af7574362b1aeaebfa33d3a4434233f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c73639d4be44f68009630cd5bb7eb6af7574362b1aeaebfa33d3a4434233f76", kill_on_drop: false }`
[INFO] [stdout] 9c73639d4be44f68009630cd5bb7eb6af7574362b1aeaebfa33d3a4434233f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e978cf1206bb444b413a94ab7ef2cbe585c784889694655fca48bd3a2f586c2f
[INFO] running `Command { std: "docker" "start" "-a" "e978cf1206bb444b413a94ab7ef2cbe585c784889694655fca48bd3a2f586c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking intmap v0.7.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking bumpalo v3.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking cahn_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/runtime/value.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_local` is never used
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl<'a> CodeGenerator<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn get_local(&self, index: usize) -> Option<&Local> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_u64`, `assert_function`, and `assert_return_address` are never used
[INFO] [stdout]    --> src/runtime/vm.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl<'a> VM<'a> {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn read_u64(&mut self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn assert_function<'b>(&'b self, val: Value) -> &'a CahnFunction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn assert_return_address(&self, val: Value) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:221:51
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let local = self.get_local_index_by_token(&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: the following explicit lifetimes could be elided: 'b
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:289:25
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn add_string_slice<'b>(&mut self, string: &'b str) -> (u32, u32) {
[INFO] [stdout]     |                         ^^                      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 289 -     fn add_string_slice<'b>(&mut self, string: &'b str) -> (u32, u32) {
[INFO] [stdout] 289 +     fn add_string_slice(&mut self, string: &str) -> (u32, u32) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(u32, u32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:304:39
[INFO] [stdout]     |
[INFO] [stdout] 304 |             Entry::Occupied(entry) => entry.get().clone(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*entry.get()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 | /         Ok(match stmt {
[INFO] [stdout] 481 | |             Stmt::Program(ps) => self.visit_program_stmt(ps)?,
[INFO] [stdout] 482 | |
[INFO] [stdout] 483 | |             Stmt::Block(bs) => self.visit_block_stmt(bs)?,
[INFO] [stdout] ...   |
[INFO] [stdout] 557 | |             Stmt::Return(_) => unimplemented!(),
[INFO] [stdout] 558 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout]     = note: `#[warn(clippy::unit_arg)]` on by default
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]     |
[INFO] [stdout] 480 ~         let _: () = match stmt {
[INFO] [stdout] 481 +             Stmt::Program(ps) => self.visit_program_stmt(ps)?,
[INFO] [stdout] 482 + 
[INFO] [stdout] 483 +             Stmt::Block(bs) => self.visit_block_stmt(bs)?,
[INFO] [stdout] 484 + 
[INFO] [stdout] 485 +             Stmt::StmtList(sl) => self.visit_stmt_list(sl)?,
[INFO] [stdout] 486 + 
[INFO] [stdout] 487 +             Stmt::Print(ps) => {
[INFO] [stdout] 488 +                 self.visit_expr(&ps.inner)?;
[INFO] [stdout] 489 +                 self.set_source_pos(ps.print_token.pos);
[INFO] [stdout] 490 +                 self.emit_instruction(Instruction::Print);
[INFO] [stdout] 491 +             }
[INFO] [stdout] 492 + 
[INFO] [stdout] 493 +             Stmt::VarDecl(vds) => {
[INFO] [stdout] 494 +                 self.visit_expr(&vds.init_expr)?;
[INFO] [stdout] 495 +                 self.set_source_pos(vds.var_token.pos);
[INFO] [stdout] 496 +                 self.declare_local(&vds.identifier.lexeme);
[INFO] [stdout] 497 +             }
[INFO] [stdout] 498 + 
[INFO] [stdout] 499 +             Stmt::If(is) => {
[INFO] [stdout] 500 +                 self.visit_expr(&is.condition)?;
[INFO] [stdout] 501 + 
[INFO] [stdout] 502 +                 self.set_source_pos(is.if_token.pos);
[INFO] [stdout] 503 +                 let then_jump = self.emit_jump_instruction(Instruction::JumpIfFalse);
[INFO] [stdout] 504 + 
[INFO] [stdout] 505 +                 self.visit_block_stmt(&is.then_clause)?;
[INFO] [stdout] 506 + 
[INFO] [stdout] 507 +                 let mut else_jump = None;
[INFO] [stdout] 508 + 
[INFO] [stdout] 509 +                 if let Some(ref else_token) = is.else_token {
[INFO] [stdout] 510 +                     self.set_source_pos(else_token.pos);
[INFO] [stdout] 511 +                     else_jump = Some(self.emit_jump_instruction(Instruction::Jump));
[INFO] [stdout] 512 +                 }
[INFO] [stdout] 513 + 
[INFO] [stdout] 514 +                 self.patch_jump_instruction(then_jump, self.code.len());
[INFO] [stdout] 515 + 
[INFO] [stdout] 516 +                 if let Some(else_block) = &is.else_clause {
[INFO] [stdout] 517 +                     self.visit_stmt(else_block)?;
[INFO] [stdout] 518 +                     self.patch_jump_instruction(else_jump.unwrap(), self.code.len());
[INFO] [stdout] 519 +                 }
[INFO] [stdout] 520 +             }
[INFO] [stdout] 521 + 
[INFO] [stdout] 522 +             Stmt::While(ws) => {
[INFO] [stdout] 523 +                 let start_adress = self.code.len();
[INFO] [stdout] 524 +                 assert!(
[INFO] [stdout] 525 +                     start_adress <= u32::MAX as usize,
[INFO] [stdout] 526 +                     "while statement start is too out on the adress space."
[INFO] [stdout] 527 +                 );
[INFO] [stdout] 528 +                 // the adress where our while statement starts
[INFO] [stdout] 529 +                 let start_adress = start_adress as u32;
[INFO] [stdout] 530 + 
[INFO] [stdout] 531 +                 // compile the condition
[INFO] [stdout] 532 +                 self.visit_expr(&ws.condition)?;
[INFO] [stdout] 533 + 
[INFO] [stdout] 534 +                 // if the condition was false, we need to jump over the entire body, which emit the instruction for here.
[INFO] [stdout] 535 +                 self.set_source_pos(ws.while_token.pos);
[INFO] [stdout] 536 +                 let loop_done_adress = self.emit_jump_instruction(Instruction::JumpIfFalse);
[INFO] [stdout] 537 + 
[INFO] [stdout] 538 +                 // compile the body
[INFO] [stdout] 539 +                 self.visit_block_stmt(&ws.block)?;
[INFO] [stdout] 540 + 
[INFO] [stdout] 541 +                 // when the body has executed, jump back to the start, so we actually loop.
[INFO] [stdout] 542 +                 self.set_source_pos(ws.block.brace_close.pos);
[INFO] [stdout] 543 +                 self.emit_instruction(Instruction::Jump);
[INFO] [stdout] 544 +                 self.emit_bytes(&start_adress.to_le_bytes());
[INFO] [stdout] 545 + 
[INFO] [stdout] 546 +                 // know we know were to jump to, to skip the body, so we patch the first jump.
[INFO] [stdout] 547 +                 self.patch_jump_instruction(loop_done_adress, self.code.len());
[INFO] [stdout] 548 +             }
[INFO] [stdout] 549 + 
[INFO] [stdout] 550 +             Stmt::ExprStmt(es) => {
[INFO] [stdout] 551 +                 self.visit_expr(&es.expr)?;
[INFO] [stdout] 552 +                 // statements are supposed to have a stack effect of 0, so we pop
[INFO] [stdout] 553 +                 self.emit_instruction(Instruction::Pop);
[INFO] [stdout] 554 +             }
[INFO] [stdout] 555 + 
[INFO] [stdout] 556 +             Stmt::FnDecl(_fn_decl_stmt) => unimplemented!(),
[INFO] [stdout] 557 +             Stmt::Return(_) => unimplemented!(),
[INFO] [stdout] 558 +         };
[INFO] [stdout] 559 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'b
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:586:27
[INFO] [stdout]     |
[INFO] [stdout] 586 |     pub fn gen_executable<'b>(
[INFO] [stdout]     |                           ^^
[INFO] [stdout] 587 |         cahn_source_file: String,
[INFO] [stdout] 588 |         prog: &'b ProgramStmt,
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 586 ~     pub fn gen_executable(
[INFO] [stdout] 587 |         cahn_source_file: String,
[INFO] [stdout] 588 ~         prog: &ProgramStmt,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/compiler/lexical_analysis/lexer.rs:139:53
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         while !self.mmatch('\n') && !self.peek_char().is_none() {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.peek_char().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: redundant guard
[INFO] [stdout]    --> src/compiler/lexical_analysis/lexer.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 Some(c) if c == '#' => {
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_guards
[INFO] [stdout]     = note: `#[warn(clippy::redundant_guards)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 111 -                 Some(c) if c == '#' => {
[INFO] [stdout] 111 +                 Some('#') => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `RCInterner`
[INFO] [stdout]   --> src/compiler/string_handling/string_interner.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     pub fn new() -> Self {
[INFO] [stdout] 38 | |         RCInterner(Rc::new(Interner {
[INFO] [stdout] 39 | |             strings: RefCell::new(IntMap::new()),
[INFO] [stdout] 40 | |             big_string: RefCell::new(String::new()),
[INFO] [stdout] 41 | |         }))
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 36 + impl Default for RCInterner {
[INFO] [stdout] 37 +     fn default() -> Self {
[INFO] [stdout] 38 +         Self::new()
[INFO] [stdout] 39 +     }
[INFO] [stdout] 40 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a, 'b
[INFO] [stdout]   --> src/compiler/string_handling/string_interner.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn intern<'a, 'b>(&'a self, str_to_intern: &'b str) -> Atom {
[INFO] [stdout]    |                   ^^  ^^   ^^                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]    |
[INFO] [stdout] 44 -     pub fn intern<'a, 'b>(&'a self, str_to_intern: &'b str) -> Atom {
[INFO] [stdout] 44 +     pub fn intern(&self, str_to_intern: &str) -> Atom {
[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/compiler/syntactical_analysis/parser.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | /             match self.check_advance(*etype) {
[INFO] [stdout] 62 | |                 Some(t) => return Some(t),
[INFO] [stdout] 63 | |                 None => {}
[INFO] [stdout] 64 | |             }
[INFO] [stdout]    | |_____________^ help: try: `if let Some(t) = self.check_advance(*etype) { return Some(t) }`
[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/compiler/syntactical_analysis/parser.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         return Ok(GroupExpr::new(paren_open, expr, paren_close));
[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] 256 -         return Ok(GroupExpr::new(paren_open, expr, paren_close));
[INFO] [stdout] 256 +         Ok(GroupExpr::new(paren_open, expr, paren_close))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/executable/mod.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |             fmt::Debug::fmt(&func.fmt(&self), f)?;
[INFO] [stdout]    |                                       ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/mem_manager.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         FormatableHeapValue { value: &self, vm }
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]   --> src/runtime/mem_manager.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         Ok(match self.value.payload {
[INFO] [stdout] 38 | |             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout] 39 | |             HeapValue::List(ref list) => {
[INFO] [stdout] 40 | |                 f.write_char('[')?;
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]    |
[INFO] [stdout] 37 ~         let _: () = match self.value.payload {
[INFO] [stdout] 38 +             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout] 39 +             HeapValue::List(ref list) => {
[INFO] [stdout] 40 +                 f.write_char('[')?;
[INFO] [stdout] 41 +                 for (index, val) in list.iter().enumerate() {
[INFO] [stdout] 42 +                     fmt::Display::fmt(&val.fmt(self.vm), f)?;
[INFO] [stdout] 43 +                     if index + 1 < list.len() {
[INFO] [stdout] 44 +                         f.write_str(", ")?;
[INFO] [stdout] 45 +                     }
[INFO] [stdout] 46 +                 }
[INFO] [stdout] 47 +                 f.write_char(']')?;
[INFO] [stdout] 48 +             }
[INFO] [stdout] 49 +         };
[INFO] [stdout] 50 +         Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/mem_manager.rs:38:58
[INFO] [stdout]    |
[INFO] [stdout] 38 |             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout]    |                                                          ^^^^^^^ help: change this to: `string`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/runtime/mem_manager.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |                   .map(|val| match val {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 137 | |                     Value::Heap(ptr) => Some(*ptr),
[INFO] [stdout] 138 | |                     _ => None,
[INFO] [stdout] 139 | |                 })
[INFO] [stdout] 140 | |                 .flatten()
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]     = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] help: try replacing `map` with `filter_map` and remove the `.flatten()`
[INFO] [stdout]     |
[INFO] [stdout] 136 ~                 .filter_map(|val| match val {
[INFO] [stdout] 137 +                     Value::Heap(ptr) => Some(*ptr),
[INFO] [stdout] 138 +                     _ => None,
[INFO] [stdout] 139 +                 })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/runtime/mem_manager.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |                       .map(|val| match val {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 196 | |                         Value::Heap(ptr) => Some(ptr),
[INFO] [stdout] 197 | |                         _ => None,
[INFO] [stdout] 198 | |                     })
[INFO] [stdout] 199 | |                     .flatten()
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout] help: try replacing `map` with `filter_map` and remove the `.flatten()`
[INFO] [stdout]     |
[INFO] [stdout] 195 ~                     .filter_map(|val| match val {
[INFO] [stdout] 196 +                         Value::Heap(ptr) => Some(ptr),
[INFO] [stdout] 197 +                         _ => None,
[INFO] [stdout] 198 +                     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/mem_manager.rs:213:36
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let hash = hash_string(&str);
[INFO] [stdout]     |                                    ^^^^ help: change this to: `str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]   --> src/runtime/value.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         Ok(match self {
[INFO] [stdout] 19 | |             Value::Nil => f.write_str("Nil")?,
[INFO] [stdout] 20 | |             Value::Bool(b) => f.write_fmt(format_args!("Bool({})", b))?,
[INFO] [stdout] 21 | |             Value::Number(num) => f.write_fmt(format_args!("Number({})", num))?,
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |             Value::Heap(ptr) => f.write_fmt(format_args!("HeapPtr({:?})", *ptr))?,
[INFO] [stdout] 38 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]    |
[INFO] [stdout] 18 ~         let _: () = match self {
[INFO] [stdout] 19 +             Value::Nil => f.write_str("Nil")?,
[INFO] [stdout] 20 +             Value::Bool(b) => f.write_fmt(format_args!("Bool({})", b))?,
[INFO] [stdout] 21 +             Value::Number(num) => f.write_fmt(format_args!("Number({})", num))?,
[INFO] [stdout] 22 + 
[INFO] [stdout] 23 +             Value::StringLiteral {
[INFO] [stdout] 24 +                 start_index,
[INFO] [stdout] 25 +                 end_index,
[INFO] [stdout] 26 +             } => f.write_fmt(format_args!(
[INFO] [stdout] 27 +                 "StringLiteral({}..{})",
[INFO] [stdout] 28 +                 start_index, end_index
[INFO] [stdout] 29 +             ))?,
[INFO] [stdout] 30 + 
[INFO] [stdout] 31 +             Value::Function { function_index } => {
[INFO] [stdout] 32 +                 f.write_fmt(format_args!("Format(index: {})", function_index))?
[INFO] [stdout] 33 +             }
[INFO] [stdout] 34 + 
[INFO] [stdout] 35 +             Value::ReturnAdress { ip } => f.write_fmt(format_args!("ReturnAdress({})", ip))?,
[INFO] [stdout] 36 + 
[INFO] [stdout] 37 +             Value::Heap(ptr) => f.write_fmt(format_args!("HeapPtr({:?})", *ptr))?,
[INFO] [stdout] 38 +         };
[INFO] [stdout] 39 +         Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/runtime/value.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         match self {
[INFO] [stdout] 45 | |             Value::Bool(false) | Value::Nil => false,
[INFO] [stdout] 46 | |             _ => true,
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 44 -         match self {
[INFO] [stdout] 45 -             Value::Bool(false) | Value::Nil => false,
[INFO] [stdout] 46 -             _ => true,
[INFO] [stdout] 47 -         }
[INFO] [stdout] 44 +         !matches!(self, Value::Bool(false) | Value::Nil)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/value.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let cahn_function = cahn_function.fmt(&self.vm.exec);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ help: change this to: `self.vm.exec`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 other.fmt(&self)
[INFO] [stdout]     |                           ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 other.fmt(&self)
[INFO] [stdout]     |                           ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:180:63
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let new_string = format!("{}{}", left_val.fmt(&self), right_val.fmt(&self));
[INFO] [stdout]     |                                                               ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:180:85
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let new_string = format!("{}{}", left_val.fmt(&self), right_val.fmt(&self));
[INFO] [stdout]     |                                                                                     ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:185:35
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     .alloc_string(&self, new_string);
[INFO] [stdout]     |                                   ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/runtime/value.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/runtime/vm.rs:444:17
[INFO] [stdout]     |
[INFO] [stdout] 444 |                 write!(self.stdout.borrow_mut(), "{}\n", val.fmt(self))?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 444 -                 write!(self.stdout.borrow_mut(), "{}\n", val.fmt(self))?;
[INFO] [stdout] 444 +                 writeln!(self.stdout.borrow_mut(), "{}", val.fmt(self))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/runtime/vm.rs:483:21
[INFO] [stdout]     |
[INFO] [stdout] 483 | /                     return Err(RuntimeError::TypeError {
[INFO] [stdout] 484 | |                         message: format!(
[INFO] [stdout] 485 | |                             "tried to push an element to a non-list type: '{}'",
[INFO] [stdout] 486 | |                             right.fmt(self)
[INFO] [stdout] 487 | |                         ),
[INFO] [stdout] 488 | |                     });
[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] 483 ~                     Err(RuntimeError::TypeError {
[INFO] [stdout] 484 +                         message: format!(
[INFO] [stdout] 485 +                             "tried to push an element to a non-list type: '{}'",
[INFO] [stdout] 486 +                             right.fmt(self)
[INFO] [stdout] 487 +                         ),
[INFO] [stdout] 488 ~                     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |             print!("{}   ", (*val).fmt(&self));
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect<T: FnOnce() -> String>(&self, expected: TokenType, message_func: T) -> Result<Token> {
[INFO] [stdout]    |                                      ^^^^^ the lifetime is elided here               ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect<T: FnOnce() -> String>(&self, expected: TokenType, message_func: T) -> Result<'_, Token> {
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn parse_program(&self) -> Result<ProgramStmt<'a>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn parse_program(&self) -> Result<'_, ProgramStmt<'a>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn parse_statement_list(&self) -> Result<StmtList<'a>> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn parse_statement_list(&self) -> Result<'_, StmtList<'a>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn finish_block_stmt(&self, brace_open: Token) -> Result<BlockStmt<'a>> {
[INFO] [stdout]    |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn finish_block_stmt(&self, brace_open: Token) -> Result<'_, BlockStmt<'a>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn finish_var_decl_statement(&self, var_token: Token) -> Result<VarDeclStmt<'a>> {
[INFO] [stdout]     |                                  ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn finish_var_decl_statement(&self, var_token: Token) -> Result<'_, VarDeclStmt<'a>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn finish_if_stmt(&self, if_token: Token) -> Result<IfStmt<'a>> {
[INFO] [stdout]     |                       ^^^^^                      ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn finish_if_stmt(&self, if_token: Token) -> Result<'_, IfStmt<'a>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn finish_while_stmt(&self, while_token: Token) -> Result<WhileStmt<'a>> {
[INFO] [stdout]     |                          ^^^^^                         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn finish_while_stmt(&self, while_token: Token) -> Result<'_, WhileStmt<'a>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn finish_fn_decl_stmt(&self, fn_token: Token) -> Result<FnDeclStmt<'a>> {
[INFO] [stdout]     |                            ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn finish_fn_decl_stmt(&self, fn_token: Token) -> Result<'_, FnDeclStmt<'a>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:194:33
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn finish_anyn_fn_decl_expr(&self, fn_token: Token) -> Result<AnynFnDeclExpr<'a>> {
[INFO] [stdout]     |                                 ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn finish_anyn_fn_decl_expr(&self, fn_token: Token) -> Result<'_, AnynFnDeclExpr<'a>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse_statement(&self) -> Result<Stmt<'a>> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse_statement(&self) -> Result<'_, Stmt<'a>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:237:31
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn finish_print_statement(&self, print_token: Token) -> Result<PrintStmt<'a>> {
[INFO] [stdout]     |                               ^^^^^                         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn finish_print_statement(&self, print_token: Token) -> Result<'_, PrintStmt<'a>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn finish_return_statement(&self, return_token: Token) -> Result<ReturnStmt<'a>> {
[INFO] [stdout]     |                                ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn finish_return_statement(&self, return_token: Token) -> Result<'_, ReturnStmt<'a>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn finish_group_expression(&self, paren_open: Token) -> Result<GroupExpr<'a>> {
[INFO] [stdout]     |                                ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn finish_group_expression(&self, paren_open: Token) -> Result<'_, GroupExpr<'a>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:259:31
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn finish_list_expression(&self, bracket_open: Token) -> Result<ListExpr<'a>> {
[INFO] [stdout]     |                               ^^^^^                          ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn finish_list_expression(&self, bracket_open: Token) -> Result<'_, ListExpr<'a>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn parse_expression(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn parse_expression(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn parse_assignment(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn parse_assignment(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:318:18
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn parse_and(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn parse_and(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:328:17
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn parse_or(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn parse_or(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn parse_comparison(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn parse_comparison(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn parse_concatenation(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn parse_concatenation(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn parse_addition(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn parse_addition(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:377:29
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn parse_multiplication(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn parse_multiplication(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:392:20
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn parse_unary(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn parse_unary(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:400:23
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn parse_exponent(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn parse_exponent(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn parse_call(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn parse_call(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:476:19
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parse_atom(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parse_atom(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_local` is never used
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl<'a> CodeGenerator<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn get_local(&self, index: usize) -> Option<&Local> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_u64`, `assert_function`, and `assert_return_address` are never used
[INFO] [stdout]    --> src/runtime/vm.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl<'a> VM<'a> {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn read_u64(&mut self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn assert_function<'b>(&'b self, val: Value) -> &'a CahnFunction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn assert_return_address(&self, val: Value) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:221:51
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let local = self.get_local_index_by_token(&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: the following explicit lifetimes could be elided: 'b
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:289:25
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn add_string_slice<'b>(&mut self, string: &'b str) -> (u32, u32) {
[INFO] [stdout]     |                         ^^                      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 289 -     fn add_string_slice<'b>(&mut self, string: &'b str) -> (u32, u32) {
[INFO] [stdout] 289 +     fn add_string_slice(&mut self, string: &str) -> (u32, u32) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(u32, u32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:304:39
[INFO] [stdout]     |
[INFO] [stdout] 304 |             Entry::Occupied(entry) => entry.get().clone(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*entry.get()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 | /         Ok(match stmt {
[INFO] [stdout] 481 | |             Stmt::Program(ps) => self.visit_program_stmt(ps)?,
[INFO] [stdout] 482 | |
[INFO] [stdout] 483 | |             Stmt::Block(bs) => self.visit_block_stmt(bs)?,
[INFO] [stdout] ...   |
[INFO] [stdout] 557 | |             Stmt::Return(_) => unimplemented!(),
[INFO] [stdout] 558 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout]     = note: `#[warn(clippy::unit_arg)]` on by default
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]     |
[INFO] [stdout] 480 ~         let _: () = match stmt {
[INFO] [stdout] 481 +             Stmt::Program(ps) => self.visit_program_stmt(ps)?,
[INFO] [stdout] 482 + 
[INFO] [stdout] 483 +             Stmt::Block(bs) => self.visit_block_stmt(bs)?,
[INFO] [stdout] 484 + 
[INFO] [stdout] 485 +             Stmt::StmtList(sl) => self.visit_stmt_list(sl)?,
[INFO] [stdout] 486 + 
[INFO] [stdout] 487 +             Stmt::Print(ps) => {
[INFO] [stdout] 488 +                 self.visit_expr(&ps.inner)?;
[INFO] [stdout] 489 +                 self.set_source_pos(ps.print_token.pos);
[INFO] [stdout] 490 +                 self.emit_instruction(Instruction::Print);
[INFO] [stdout] 491 +             }
[INFO] [stdout] 492 + 
[INFO] [stdout] 493 +             Stmt::VarDecl(vds) => {
[INFO] [stdout] 494 +                 self.visit_expr(&vds.init_expr)?;
[INFO] [stdout] 495 +                 self.set_source_pos(vds.var_token.pos);
[INFO] [stdout] 496 +                 self.declare_local(&vds.identifier.lexeme);
[INFO] [stdout] 497 +             }
[INFO] [stdout] 498 + 
[INFO] [stdout] 499 +             Stmt::If(is) => {
[INFO] [stdout] 500 +                 self.visit_expr(&is.condition)?;
[INFO] [stdout] 501 + 
[INFO] [stdout] 502 +                 self.set_source_pos(is.if_token.pos);
[INFO] [stdout] 503 +                 let then_jump = self.emit_jump_instruction(Instruction::JumpIfFalse);
[INFO] [stdout] 504 + 
[INFO] [stdout] 505 +                 self.visit_block_stmt(&is.then_clause)?;
[INFO] [stdout] 506 + 
[INFO] [stdout] 507 +                 let mut else_jump = None;
[INFO] [stdout] 508 + 
[INFO] [stdout] 509 +                 if let Some(ref else_token) = is.else_token {
[INFO] [stdout] 510 +                     self.set_source_pos(else_token.pos);
[INFO] [stdout] 511 +                     else_jump = Some(self.emit_jump_instruction(Instruction::Jump));
[INFO] [stdout] 512 +                 }
[INFO] [stdout] 513 + 
[INFO] [stdout] 514 +                 self.patch_jump_instruction(then_jump, self.code.len());
[INFO] [stdout] 515 + 
[INFO] [stdout] 516 +                 if let Some(else_block) = &is.else_clause {
[INFO] [stdout] 517 +                     self.visit_stmt(else_block)?;
[INFO] [stdout] 518 +                     self.patch_jump_instruction(else_jump.unwrap(), self.code.len());
[INFO] [stdout] 519 +                 }
[INFO] [stdout] 520 +             }
[INFO] [stdout] 521 + 
[INFO] [stdout] 522 +             Stmt::While(ws) => {
[INFO] [stdout] 523 +                 let start_adress = self.code.len();
[INFO] [stdout] 524 +                 assert!(
[INFO] [stdout] 525 +                     start_adress <= u32::MAX as usize,
[INFO] [stdout] 526 +                     "while statement start is too out on the adress space."
[INFO] [stdout] 527 +                 );
[INFO] [stdout] 528 +                 // the adress where our while statement starts
[INFO] [stdout] 529 +                 let start_adress = start_adress as u32;
[INFO] [stdout] 530 + 
[INFO] [stdout] 531 +                 // compile the condition
[INFO] [stdout] 532 +                 self.visit_expr(&ws.condition)?;
[INFO] [stdout] 533 + 
[INFO] [stdout] 534 +                 // if the condition was false, we need to jump over the entire body, which emit the instruction for here.
[INFO] [stdout] 535 +                 self.set_source_pos(ws.while_token.pos);
[INFO] [stdout] 536 +                 let loop_done_adress = self.emit_jump_instruction(Instruction::JumpIfFalse);
[INFO] [stdout] 537 + 
[INFO] [stdout] 538 +                 // compile the body
[INFO] [stdout] 539 +                 self.visit_block_stmt(&ws.block)?;
[INFO] [stdout] 540 + 
[INFO] [stdout] 541 +                 // when the body has executed, jump back to the start, so we actually loop.
[INFO] [stdout] 542 +                 self.set_source_pos(ws.block.brace_close.pos);
[INFO] [stdout] 543 +                 self.emit_instruction(Instruction::Jump);
[INFO] [stdout] 544 +                 self.emit_bytes(&start_adress.to_le_bytes());
[INFO] [stdout] 545 + 
[INFO] [stdout] 546 +                 // know we know were to jump to, to skip the body, so we patch the first jump.
[INFO] [stdout] 547 +                 self.patch_jump_instruction(loop_done_adress, self.code.len());
[INFO] [stdout] 548 +             }
[INFO] [stdout] 549 + 
[INFO] [stdout] 550 +             Stmt::ExprStmt(es) => {
[INFO] [stdout] 551 +                 self.visit_expr(&es.expr)?;
[INFO] [stdout] 552 +                 // statements are supposed to have a stack effect of 0, so we pop
[INFO] [stdout] 553 +                 self.emit_instruction(Instruction::Pop);
[INFO] [stdout] 554 +             }
[INFO] [stdout] 555 + 
[INFO] [stdout] 556 +             Stmt::FnDecl(_fn_decl_stmt) => unimplemented!(),
[INFO] [stdout] 557 +             Stmt::Return(_) => unimplemented!(),
[INFO] [stdout] 558 +         };
[INFO] [stdout] 559 +         Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'b
[INFO] [stdout]    --> src/compiler/codegen/codegenerator.rs:586:27
[INFO] [stdout]     |
[INFO] [stdout] 586 |     pub fn gen_executable<'b>(
[INFO] [stdout]     |                           ^^
[INFO] [stdout] 587 |         cahn_source_file: String,
[INFO] [stdout] 588 |         prog: &'b ProgramStmt,
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 586 ~     pub fn gen_executable(
[INFO] [stdout] 587 |         cahn_source_file: String,
[INFO] [stdout] 588 ~         prog: &ProgramStmt,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/compiler/lexical_analysis/lexer.rs:139:53
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         while !self.mmatch('\n') && !self.peek_char().is_none() {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.peek_char().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: redundant guard
[INFO] [stdout]    --> src/compiler/lexical_analysis/lexer.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 Some(c) if c == '#' => {
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_guards
[INFO] [stdout]     = note: `#[warn(clippy::redundant_guards)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 111 -                 Some(c) if c == '#' => {
[INFO] [stdout] 111 +                 Some('#') => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `RCInterner`
[INFO] [stdout]   --> src/compiler/string_handling/string_interner.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     pub fn new() -> Self {
[INFO] [stdout] 38 | |         RCInterner(Rc::new(Interner {
[INFO] [stdout] 39 | |             strings: RefCell::new(IntMap::new()),
[INFO] [stdout] 40 | |             big_string: RefCell::new(String::new()),
[INFO] [stdout] 41 | |         }))
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 36 + impl Default for RCInterner {
[INFO] [stdout] 37 +     fn default() -> Self {
[INFO] [stdout] 38 +         Self::new()
[INFO] [stdout] 39 +     }
[INFO] [stdout] 40 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a, 'b
[INFO] [stdout]   --> src/compiler/string_handling/string_interner.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn intern<'a, 'b>(&'a self, str_to_intern: &'b str) -> Atom {
[INFO] [stdout]    |                   ^^  ^^   ^^                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]    |
[INFO] [stdout] 44 -     pub fn intern<'a, 'b>(&'a self, str_to_intern: &'b str) -> Atom {
[INFO] [stdout] 44 +     pub fn intern(&self, str_to_intern: &str) -> Atom {
[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/compiler/syntactical_analysis/parser.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | /             match self.check_advance(*etype) {
[INFO] [stdout] 62 | |                 Some(t) => return Some(t),
[INFO] [stdout] 63 | |                 None => {}
[INFO] [stdout] 64 | |             }
[INFO] [stdout]    | |_____________^ help: try: `if let Some(t) = self.check_advance(*etype) { return Some(t) }`
[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/compiler/syntactical_analysis/parser.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         return Ok(GroupExpr::new(paren_open, expr, paren_close));
[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] 256 -         return Ok(GroupExpr::new(paren_open, expr, paren_close));
[INFO] [stdout] 256 +         Ok(GroupExpr::new(paren_open, expr, paren_close))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/executable/mod.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |             fmt::Debug::fmt(&func.fmt(&self), f)?;
[INFO] [stdout]    |                                       ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/mem_manager.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         FormatableHeapValue { value: &self, vm }
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]   --> src/runtime/mem_manager.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         Ok(match self.value.payload {
[INFO] [stdout] 38 | |             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout] 39 | |             HeapValue::List(ref list) => {
[INFO] [stdout] 40 | |                 f.write_char('[')?;
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]    |
[INFO] [stdout] 37 ~         let _: () = match self.value.payload {
[INFO] [stdout] 38 +             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout] 39 +             HeapValue::List(ref list) => {
[INFO] [stdout] 40 +                 f.write_char('[')?;
[INFO] [stdout] 41 +                 for (index, val) in list.iter().enumerate() {
[INFO] [stdout] 42 +                     fmt::Display::fmt(&val.fmt(self.vm), f)?;
[INFO] [stdout] 43 +                     if index + 1 < list.len() {
[INFO] [stdout] 44 +                         f.write_str(", ")?;
[INFO] [stdout] 45 +                     }
[INFO] [stdout] 46 +                 }
[INFO] [stdout] 47 +                 f.write_char(']')?;
[INFO] [stdout] 48 +             }
[INFO] [stdout] 49 +         };
[INFO] [stdout] 50 +         Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/mem_manager.rs:38:58
[INFO] [stdout]    |
[INFO] [stdout] 38 |             HeapValue::String(ref string) => f.write_str(&string)?,
[INFO] [stdout]    |                                                          ^^^^^^^ help: change this to: `string`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/runtime/mem_manager.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |                   .map(|val| match val {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 137 | |                     Value::Heap(ptr) => Some(*ptr),
[INFO] [stdout] 138 | |                     _ => None,
[INFO] [stdout] 139 | |                 })
[INFO] [stdout] 140 | |                 .flatten()
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]     = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] help: try replacing `map` with `filter_map` and remove the `.flatten()`
[INFO] [stdout]     |
[INFO] [stdout] 136 ~                 .filter_map(|val| match val {
[INFO] [stdout] 137 +                     Value::Heap(ptr) => Some(*ptr),
[INFO] [stdout] 138 +                     _ => None,
[INFO] [stdout] 139 +                 })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/runtime/mem_manager.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |                       .map(|val| match val {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 196 | |                         Value::Heap(ptr) => Some(ptr),
[INFO] [stdout] 197 | |                         _ => None,
[INFO] [stdout] 198 | |                     })
[INFO] [stdout] 199 | |                     .flatten()
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout] help: try replacing `map` with `filter_map` and remove the `.flatten()`
[INFO] [stdout]     |
[INFO] [stdout] 195 ~                     .filter_map(|val| match val {
[INFO] [stdout] 196 +                         Value::Heap(ptr) => Some(ptr),
[INFO] [stdout] 197 +                         _ => None,
[INFO] [stdout] 198 +                     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/mem_manager.rs:213:36
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let hash = hash_string(&str);
[INFO] [stdout]     |                                    ^^^^ help: change this to: `str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: passing a unit value to a function
[INFO] [stdout]   --> src/runtime/value.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         Ok(match self {
[INFO] [stdout] 19 | |             Value::Nil => f.write_str("Nil")?,
[INFO] [stdout] 20 | |             Value::Bool(b) => f.write_fmt(format_args!("Bool({})", b))?,
[INFO] [stdout] 21 | |             Value::Number(num) => f.write_fmt(format_args!("Number({})", num))?,
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |             Value::Heap(ptr) => f.write_fmt(format_args!("HeapPtr({:?})", *ptr))?,
[INFO] [stdout] 38 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stdout] help: move the expression in front of the call and replace it with the unit literal `()`
[INFO] [stdout]    |
[INFO] [stdout] 18 ~         let _: () = match self {
[INFO] [stdout] 19 +             Value::Nil => f.write_str("Nil")?,
[INFO] [stdout] 20 +             Value::Bool(b) => f.write_fmt(format_args!("Bool({})", b))?,
[INFO] [stdout] 21 +             Value::Number(num) => f.write_fmt(format_args!("Number({})", num))?,
[INFO] [stdout] 22 + 
[INFO] [stdout] 23 +             Value::StringLiteral {
[INFO] [stdout] 24 +                 start_index,
[INFO] [stdout] 25 +                 end_index,
[INFO] [stdout] 26 +             } => f.write_fmt(format_args!(
[INFO] [stdout] 27 +                 "StringLiteral({}..{})",
[INFO] [stdout] 28 +                 start_index, end_index
[INFO] [stdout] 29 +             ))?,
[INFO] [stdout] 30 + 
[INFO] [stdout] 31 +             Value::Function { function_index } => {
[INFO] [stdout] 32 +                 f.write_fmt(format_args!("Format(index: {})", function_index))?
[INFO] [stdout] 33 +             }
[INFO] [stdout] 34 + 
[INFO] [stdout] 35 +             Value::ReturnAdress { ip } => f.write_fmt(format_args!("ReturnAdress({})", ip))?,
[INFO] [stdout] 36 + 
[INFO] [stdout] 37 +             Value::Heap(ptr) => f.write_fmt(format_args!("HeapPtr({:?})", *ptr))?,
[INFO] [stdout] 38 +         };
[INFO] [stdout] 39 +         Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/runtime/value.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         match self {
[INFO] [stdout] 45 | |             Value::Bool(false) | Value::Nil => false,
[INFO] [stdout] 46 | |             _ => true,
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 44 -         match self {
[INFO] [stdout] 45 -             Value::Bool(false) | Value::Nil => false,
[INFO] [stdout] 46 -             _ => true,
[INFO] [stdout] 47 -         }
[INFO] [stdout] 44 +         !matches!(self, Value::Bool(false) | Value::Nil)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/runtime/value.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let cahn_function = cahn_function.fmt(&self.vm.exec);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ help: change this to: `self.vm.exec`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 other.fmt(&self)
[INFO] [stdout]     |                           ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 other.fmt(&self)
[INFO] [stdout]     |                           ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:180:63
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let new_string = format!("{}{}", left_val.fmt(&self), right_val.fmt(&self));
[INFO] [stdout]     |                                                               ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:180:85
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let new_string = format!("{}{}", left_val.fmt(&self), right_val.fmt(&self));
[INFO] [stdout]     |                                                                                     ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:185:35
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     .alloc_string(&self, new_string);
[INFO] [stdout]     |                                   ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/runtime/vm.rs:444:17
[INFO] [stdout]     |
[INFO] [stdout] 444 |                 write!(self.stdout.borrow_mut(), "{}\n", val.fmt(self))?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 444 -                 write!(self.stdout.borrow_mut(), "{}\n", val.fmt(self))?;
[INFO] [stdout] 444 +                 writeln!(self.stdout.borrow_mut(), "{}", val.fmt(self))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/runtime/vm.rs:483:21
[INFO] [stdout]     |
[INFO] [stdout] 483 | /                     return Err(RuntimeError::TypeError {
[INFO] [stdout] 484 | |                         message: format!(
[INFO] [stdout] 485 | |                             "tried to push an element to a non-list type: '{}'",
[INFO] [stdout] 486 | |                             right.fmt(self)
[INFO] [stdout] 487 | |                         ),
[INFO] [stdout] 488 | |                     });
[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] 483 ~                     Err(RuntimeError::TypeError {
[INFO] [stdout] 484 +                         message: format!(
[INFO] [stdout] 485 +                             "tried to push an element to a non-list type: '{}'",
[INFO] [stdout] 486 +                             right.fmt(self)
[INFO] [stdout] 487 +                         ),
[INFO] [stdout] 488 ~                     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/runtime/vm.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |             print!("{}   ", (*val).fmt(&self));
[INFO] [stdout]     |                                        ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect<T: FnOnce() -> String>(&self, expected: TokenType, message_func: T) -> Result<Token> {
[INFO] [stdout]    |                                      ^^^^^ the lifetime is elided here               ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect<T: FnOnce() -> String>(&self, expected: TokenType, message_func: T) -> Result<'_, Token> {
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn parse_program(&self) -> Result<ProgramStmt<'a>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn parse_program(&self) -> Result<'_, ProgramStmt<'a>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn parse_statement_list(&self) -> Result<StmtList<'a>> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn parse_statement_list(&self) -> Result<'_, StmtList<'a>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/syntactical_analysis/parser.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn finish_block_stmt(&self, brace_open: Token) -> Result<BlockStmt<'a>> {
[INFO] [stdout]    |                          ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn finish_block_stmt(&self, brace_open: Token) -> Result<'_, BlockStmt<'a>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn finish_var_decl_statement(&self, var_token: Token) -> Result<VarDeclStmt<'a>> {
[INFO] [stdout]     |                                  ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn finish_var_decl_statement(&self, var_token: Token) -> Result<'_, VarDeclStmt<'a>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn finish_if_stmt(&self, if_token: Token) -> Result<IfStmt<'a>> {
[INFO] [stdout]     |                       ^^^^^                      ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn finish_if_stmt(&self, if_token: Token) -> Result<'_, IfStmt<'a>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn finish_while_stmt(&self, while_token: Token) -> Result<WhileStmt<'a>> {
[INFO] [stdout]     |                          ^^^^^                         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn finish_while_stmt(&self, while_token: Token) -> Result<'_, WhileStmt<'a>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn finish_fn_decl_stmt(&self, fn_token: Token) -> Result<FnDeclStmt<'a>> {
[INFO] [stdout]     |                            ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn finish_fn_decl_stmt(&self, fn_token: Token) -> Result<'_, FnDeclStmt<'a>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:194:33
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn finish_anyn_fn_decl_expr(&self, fn_token: Token) -> Result<AnynFnDeclExpr<'a>> {
[INFO] [stdout]     |                                 ^^^^^                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn finish_anyn_fn_decl_expr(&self, fn_token: Token) -> Result<'_, AnynFnDeclExpr<'a>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse_statement(&self) -> Result<Stmt<'a>> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse_statement(&self) -> Result<'_, Stmt<'a>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:237:31
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn finish_print_statement(&self, print_token: Token) -> Result<PrintStmt<'a>> {
[INFO] [stdout]     |                               ^^^^^                         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn finish_print_statement(&self, print_token: Token) -> Result<'_, PrintStmt<'a>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn finish_return_statement(&self, return_token: Token) -> Result<ReturnStmt<'a>> {
[INFO] [stdout]     |                                ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn finish_return_statement(&self, return_token: Token) -> Result<'_, ReturnStmt<'a>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn finish_group_expression(&self, paren_open: Token) -> Result<GroupExpr<'a>> {
[INFO] [stdout]     |                                ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn finish_group_expression(&self, paren_open: Token) -> Result<'_, GroupExpr<'a>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:259:31
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn finish_list_expression(&self, bracket_open: Token) -> Result<ListExpr<'a>> {
[INFO] [stdout]     |                               ^^^^^                          ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn finish_list_expression(&self, bracket_open: Token) -> Result<'_, ListExpr<'a>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn parse_expression(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn parse_expression(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn parse_assignment(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn parse_assignment(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:318:18
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn parse_and(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn parse_and(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:328:17
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn parse_or(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn parse_or(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn parse_comparison(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn parse_comparison(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn parse_concatenation(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn parse_concatenation(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn parse_addition(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn parse_addition(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:377:29
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn parse_multiplication(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn parse_multiplication(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:392:20
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn parse_unary(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn parse_unary(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:400:23
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn parse_exponent(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn parse_exponent(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn parse_call(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn parse_call(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/syntactical_analysis/parser.rs:476:19
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parse_atom(&self) -> Result<Expr<'a>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parse_atom(&self) -> Result<'_, Expr<'a>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e978cf1206bb444b413a94ab7ef2cbe585c784889694655fca48bd3a2f586c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e978cf1206bb444b413a94ab7ef2cbe585c784889694655fca48bd3a2f586c2f", kill_on_drop: false }`
[INFO] [stdout] e978cf1206bb444b413a94ab7ef2cbe585c784889694655fca48bd3a2f586c2f