Nov 01 10:25:55.535 INFO checking RaphaelAddile/monkeylang-rs against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 10:25:55.536 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 10:25:55.885 INFO blam! 82f8e04a5bbaba295f9b2db8acceef0be6af51fe2dc7e8ec3fe9ac1ac15a745e
Nov 01 10:25:55.887 INFO running `"docker" "start" "-a" "82f8e04a5bbaba295f9b2db8acceef0be6af51fe2dc7e8ec3fe9ac1ac15a745e"`
Nov 01 10:25:57.392 INFO kablam! usermod: no changes
Nov 01 10:25:57.536 INFO kablam!     Checking rustyline v1.0.0
Nov 01 10:25:58.729 INFO kablam!     Checking monkeylang-rs v0.1.0 (/source)
Nov 01 10:25:59.524 INFO kablam! warning: unused import: `parser::Parser`
Nov 01 10:25:59.525 INFO kablam!  --> src/ast.rs:1:5
Nov 01 10:25:59.525 INFO kablam!   |
Nov 01 10:25:59.525 INFO kablam! 1 | use parser::Parser;
Nov 01 10:25:59.525 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 10:25:59.526 INFO kablam!   |
Nov 01 10:25:59.526 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:25:59.526 INFO kablam! 
Nov 01 10:25:59.527 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 10:25:59.527 INFO kablam!  --> src/parser.rs:5:5
Nov 01 10:25:59.527 INFO kablam!   |
Nov 01 10:25:59.527 INFO kablam! 5 | use std::collections::HashMap;
Nov 01 10:25:59.528 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.528 INFO kablam! 
Nov 01 10:25:59.528 INFO kablam! warning: unused imports: `Discriminant`, `discriminant`
Nov 01 10:25:59.529 INFO kablam!  --> src/parser.rs:6:16
Nov 01 10:25:59.529 INFO kablam!   |
Nov 01 10:25:59.529 INFO kablam! 6 | use std::mem::{discriminant, replace, Discriminant};
Nov 01 10:25:59.529 INFO kablam!   |                ^^^^^^^^^^^^           ^^^^^^^^^^^^
Nov 01 10:25:59.530 INFO kablam! 
Nov 01 10:25:59.808 INFO kablam! warning: struct is never constructed: `Program`
Nov 01 10:25:59.808 INFO kablam!  --> src/ast.rs:3:1
Nov 01 10:25:59.808 INFO kablam!   |
Nov 01 10:25:59.808 INFO kablam! 3 | pub struct Program {
Nov 01 10:25:59.808 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.808 INFO kablam!   |
Nov 01 10:25:59.808 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 10:25:59.808 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: method is never used: `new`
Nov 01 10:25:59.812 INFO kablam!  --> src/ast.rs:8:5
Nov 01 10:25:59.812 INFO kablam!   |
Nov 01 10:25:59.812 INFO kablam! 8 |     pub fn new() -> Program {
Nov 01 10:25:59.812 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Let`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:17:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 17 |     Let(String, Expression),
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Return`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:18:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 18 |     Return(Expression),
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Expr`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:19:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 19 |     Expr(Expression),
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Invalid`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:20:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 20 |     Invalid,
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Identifier`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:25:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 25 |     Identifier(String),
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `IntegerLiteral`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:26:5
Nov 01 10:25:59.812 INFO kablam!    |
Nov 01 10:25:59.812 INFO kablam! 26 |     IntegerLiteral(i64),
Nov 01 10:25:59.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.812 INFO kablam! 
Nov 01 10:25:59.812 INFO kablam! warning: variant is never constructed: `Not`
Nov 01 10:25:59.812 INFO kablam!   --> src/ast.rs:27:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 27 |     Not(Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Negative`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:28:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 28 |     Negative(Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Add`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:29:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 29 |     Add(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Sub`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:30:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 30 |     Sub(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Mul`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:31:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 31 |     Mul(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Div`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:32:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 32 |     Div(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `GreaterThan`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:33:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 33 |     GreaterThan(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `LessThan`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:34:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 34 |     LessThan(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Equal`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:35:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 35 |     Equal(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `NotEqual`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:36:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 36 |     NotEqual(Box<Expression>, Box<Expression>),
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Invalid`
Nov 01 10:25:59.813 INFO kablam!   --> src/ast.rs:37:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 37 |     Invalid,
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Lowest`
Nov 01 10:25:59.813 INFO kablam!   --> src/parser.rs:10:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 10 |     Lowest,
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Equals`
Nov 01 10:25:59.813 INFO kablam!   --> src/parser.rs:11:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 11 |     Equals,
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `LessGreater`
Nov 01 10:25:59.813 INFO kablam!   --> src/parser.rs:12:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 12 |     LessGreater,
Nov 01 10:25:59.813 INFO kablam!    |     ^^^^^^^^^^^
Nov 01 10:25:59.813 INFO kablam! 
Nov 01 10:25:59.813 INFO kablam! warning: variant is never constructed: `Sum`
Nov 01 10:25:59.813 INFO kablam!   --> src/parser.rs:13:5
Nov 01 10:25:59.813 INFO kablam!    |
Nov 01 10:25:59.813 INFO kablam! 13 |     Sum,
Nov 01 10:25:59.813 INFO kablam!    |     ^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: variant is never constructed: `Product`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:14:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 14 |     Product,
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: variant is never constructed: `Prefix`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:15:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 15 |     Prefix,
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: variant is never constructed: `Call`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:16:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 16 |     Call,
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: struct is never constructed: `Parser`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:19:1
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 19 | pub struct Parser {
Nov 01 10:25:59.814 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `new`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:27:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 27 |     pub fn new(lexer: Lexer) -> Parser {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_identifier`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:41:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 41 |     pub fn parse_identifier(&mut self) -> Expression {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `print_errors`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:48:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 48 |     pub fn print_errors(&self) {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `next_token`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:55:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 55 |     pub fn next_token(&mut self) {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_program`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:59:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 59 |     pub fn parse_program(&mut self) -> Program {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_statement`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:73:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 73 |     pub fn parse_statement(&mut self) -> Statement {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_return_statement`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:81:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 81 |     pub fn parse_return_statement(&mut self) -> Statement {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_let_statement`
Nov 01 10:25:59.814 INFO kablam!   --> src/parser.rs:93:5
Nov 01 10:25:59.814 INFO kablam!    |
Nov 01 10:25:59.814 INFO kablam! 93 |     pub fn parse_let_statement(&mut self) -> Statement {
Nov 01 10:25:59.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_expression_statement`
Nov 01 10:25:59.814 INFO kablam!    --> src/parser.rs:120:5
Nov 01 10:25:59.814 INFO kablam!     |
Nov 01 10:25:59.814 INFO kablam! 120 |     pub fn parse_expression_statement(&mut self) -> Statement {
Nov 01 10:25:59.814 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_prefix_expression`
Nov 01 10:25:59.814 INFO kablam!    --> src/parser.rs:130:5
Nov 01 10:25:59.814 INFO kablam!     |
Nov 01 10:25:59.814 INFO kablam! 130 |     pub fn parse_prefix_expression(&mut self) -> Expression {
Nov 01 10:25:59.814 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.814 INFO kablam! 
Nov 01 10:25:59.814 INFO kablam! warning: method is never used: `parse_expression`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:144:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 144 |     pub fn parse_expression(&mut self, precedence: Precedence) -> Expression {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:25:59.815 INFO kablam! warning: method is never used: `parse_infix_expression`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:160:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 160 |     pub fn parse_infix_expression(&mut self, left: Expression) -> Expression {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:25:59.815 INFO kablam! warning: method is never used: `parse_integer_literal`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:200:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 200 |     pub fn parse_integer_literal(&mut self) -> Expression {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:25:59.815 INFO kablam! warning: method is never used: `get_precedence`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:207:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 207 |     pub fn get_precedence(token: &Token) -> Precedence {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:25:59.815 INFO kablam! warning: method is never used: `peek_precedence`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:217:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 217 |     pub fn peek_precedence(&self) -> Precedence {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:25:59.815 INFO kablam! warning: method is never used: `current_precedence`
Nov 01 10:25:59.815 INFO kablam!    --> src/parser.rs:221:5
Nov 01 10:25:59.815 INFO kablam!     |
Nov 01 10:25:59.815 INFO kablam! 221 |     pub fn current_precedence(&self) -> Precedence {
Nov 01 10:25:59.815 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:25:59.815 INFO kablam! 
Nov 01 10:26:00.036 INFO kablam! warning: unused import: `parser::Parser`
Nov 01 10:26:00.036 INFO kablam!  --> src/ast.rs:1:5
Nov 01 10:26:00.036 INFO kablam!   |
Nov 01 10:26:00.036 INFO kablam! 1 | use parser::Parser;
Nov 01 10:26:00.036 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 10:26:00.036 INFO kablam!   |
Nov 01 10:26:00.036 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:26:00.036 INFO kablam! 
Nov 01 10:26:00.036 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 10:26:00.036 INFO kablam!  --> src/parser.rs:5:5
Nov 01 10:26:00.036 INFO kablam!   |
Nov 01 10:26:00.036 INFO kablam! 5 | use std::collections::HashMap;
Nov 01 10:26:00.036 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:26:00.036 INFO kablam! 
Nov 01 10:26:00.036 INFO kablam! warning: unused imports: `Discriminant`, `discriminant`
Nov 01 10:26:00.036 INFO kablam!  --> src/parser.rs:6:16
Nov 01 10:26:00.036 INFO kablam!   |
Nov 01 10:26:00.036 INFO kablam! 6 | use std::mem::{discriminant, replace, Discriminant};
Nov 01 10:26:00.036 INFO kablam!   |                ^^^^^^^^^^^^           ^^^^^^^^^^^^
Nov 01 10:26:00.036 INFO kablam! 
Nov 01 10:26:00.331 INFO kablam! warning: unused variable: `expression`
Nov 01 10:26:00.331 INFO kablam!    --> src/parser.rs:289:49
Nov 01 10:26:00.331 INFO kablam!     |
Nov 01 10:26:00.331 INFO kablam! 289 |             &Statement::Let(ref identifier, ref expression) => {
Nov 01 10:26:00.331 INFO kablam!     |                                                 ^^^^^^^^^^ help: consider using `_expression` instead
Nov 01 10:26:00.331 INFO kablam!     |
Nov 01 10:26:00.331 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 10:26:00.331 INFO kablam! 
Nov 01 10:26:00.490 INFO kablam! warning: variant is never constructed: `Call`
Nov 01 10:26:00.490 INFO kablam!   --> src/parser.rs:16:5
Nov 01 10:26:00.490 INFO kablam!    |
Nov 01 10:26:00.490 INFO kablam! 16 |     Call,
Nov 01 10:26:00.491 INFO kablam!    |     ^^^^
Nov 01 10:26:00.504 INFO kablam!    |
Nov 01 10:26:00.505 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 10:26:00.505 INFO kablam! 
Nov 01 10:26:00.568 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
Nov 01 10:26:00.572 INFO kablam! su: No module specific data is present
Nov 01 10:26:01.443 INFO running `"docker" "rm" "-f" "82f8e04a5bbaba295f9b2db8acceef0be6af51fe2dc7e8ec3fe9ac1ac15a745e"`
Nov 01 10:26:01.708 INFO blam! 82f8e04a5bbaba295f9b2db8acceef0be6af51fe2dc7e8ec3fe9ac1ac15a745e