[INFO] updating cached repository marioidival/apl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marioidival/apl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marioidival/apl" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/marioidival/apl"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/marioidival/apl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marioidival/apl" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/marioidival/apl"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/marioidival/apl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b508f29da4dc13a9d804ef2bc5331f351360bc65
[INFO] sha for GitHub repo marioidival/apl: b508f29da4dc13a9d804ef2bc5331f351360bc65
[INFO] validating manifest of marioidival/apl on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marioidival/apl on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marioidival/apl
[INFO] finished frobbing marioidival/apl
[INFO] frobbed toml for marioidival/apl written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/marioidival/apl/Cargo.toml
[INFO] started frobbing marioidival/apl
[INFO] finished frobbing marioidival/apl
[INFO] frobbed toml for marioidival/apl written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/marioidival/apl/Cargo.toml
[INFO] crate marioidival/apl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking marioidival/apl against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/marioidival/apl:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e4add3f1e3a92b5fea0e4ba92a13a80e25494b6d94091fa6d63bd93a10ea70e7
[INFO] running `"docker" "start" "-a" "e4add3f1e3a92b5fea0e4ba92a13a80e25494b6d94091fa6d63bd93a10ea70e7"`
[INFO] [stderr]     Checking apl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/tokenizer.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/tokenizer.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Comparison::In`
[INFO] [stderr]  --> src/ast.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::Comparison::In;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BoolOp`, `Compare`
[INFO] [stderr]  --> src/ast.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::Expression::{BoolOp, Compare};
[INFO] [stderr]   |                              ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `OperatorError`
[INFO] [stderr]  --> src/ast.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::error::{Error, OperatorError};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Primitive::*`, `Primitive`
[INFO] [stderr]  --> src/ast.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitive::{Primitive, Primitive::*};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expression`
[INFO] [stderr]  --> src/parse.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::{BooleanOperation, Comparison, Expression, Number, Operator, Statement, UnaryOperation};
[INFO] [stderr]   |                                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/primitive.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Integer(v) => Ok(Integer((-1 * *v))),
[INFO] [stderr]    |                                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/primitive.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Float(v) => Ok(Float((-1.0 * *v))),
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/primitive.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::Error::OtherError`
[INFO] [stderr]  --> src/interpreter.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::error::Error::OtherError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/object.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Comparison::In`
[INFO] [stderr]  --> src/ast.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::Comparison::In;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BoolOp`, `Compare`
[INFO] [stderr]  --> src/ast.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::Expression::{BoolOp, Compare};
[INFO] [stderr]   |                              ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `OperatorError`
[INFO] [stderr]  --> src/ast.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::error::{Error, OperatorError};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Primitive::*`, `Primitive`
[INFO] [stderr]  --> src/ast.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitive::{Primitive, Primitive::*};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expression`
[INFO] [stderr]  --> src/parse.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::{BooleanOperation, Comparison, Expression, Number, Operator, Statement, UnaryOperation};
[INFO] [stderr]   |                                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/primitive.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Integer(v) => Ok(Integer((-1 * *v))),
[INFO] [stderr]    |                                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/primitive.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Float(v) => Ok(Float((-1.0 * *v))),
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::Error::OtherError`
[INFO] [stderr]  --> src/interpreter.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::error::Error::OtherError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Boolean`
[INFO] [stderr]    --> src/interpreter.rs:239:39
[INFO] [stderr]     |
[INFO] [stderr] 239 |     use crate::primitive::Primitive::{Boolean, Integer, Float};
[INFO] [stderr]     |                                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/primitive.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             (Float(left), Float(right)) => (left % (*right as f64)).into(),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/interpreter.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     _ => Err(Error::OtherError("Not Implemented yet!".into()))
[INFO] [stderr]    |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/parse.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Err(o) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/primitive.rs:154:14
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (left, right) => (false).into(),
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/primitive.rs:154:20
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (left, right) => (false).into(),
[INFO] [stderr]     |                    ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/tokenizer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn init(source: &'a str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TokenizerIterator`
[INFO] [stderr]    --> src/tokenizer.rs:208:1
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub struct TokenizerIterator<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokenizer_into_iterator`
[INFO] [stderr]    --> src/tokenizer.rs:220:1
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn tokenizer_into_iterator<'a>(source: &'a str) -> impl Iterator<Item=Token> + 'a {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scan`
[INFO] [stderr]    --> src/tokenizer.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | pub(crate) fn scan(source: &str) -> Vec<Token> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `In`
[INFO] [stderr]   --> src/ast.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     In,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotIn`
[INFO] [stderr]   --> src/ast.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     NotIn,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotIs`
[INFO] [stderr]   --> src/ast.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     NotIs,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/ast.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Integer { value: i64 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/ast.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Float { value: f64 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Compare`
[INFO] [stderr]    --> src/ast.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | /     Compare {
[INFO] [stderr] 107 | |         a: Box<Expression>,
[INFO] [stderr] 108 | |         op: Comparison,
[INFO] [stderr] 109 | |         b: Box<Expression>,
[INFO] [stderr] 110 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BoolOp`
[INFO] [stderr]    --> src/ast.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     BoolOp {
[INFO] [stderr] 112 | |         a: Box<Expression>,
[INFO] [stderr] 113 | |         op: BooleanOperation,
[INFO] [stderr] 114 | |         b: Box<Expression>,
[INFO] [stderr] 115 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinOp`
[INFO] [stderr]    --> src/ast.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     BinOp {
[INFO] [stderr] 117 | |         a: Box<Expression>,
[INFO] [stderr] 118 | |         op: Operator,
[INFO] [stderr] 119 | |         b: Box<Expression>,
[INFO] [stderr] 120 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnOp`
[INFO] [stderr]    --> src/ast.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     UnOp {
[INFO] [stderr] 122 | |         op: UnaryOperation,
[INFO] [stderr] 123 | |         a: Box<Expression>,
[INFO] [stderr] 124 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]    --> src/ast.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 | /     Str {
[INFO] [stderr] 126 | |         value: String,
[INFO] [stderr] 127 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Num`
[INFO] [stderr]    --> src/ast.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     Num {
[INFO] [stderr] 129 | |         value: Number,
[INFO] [stderr] 130 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfExpression`
[INFO] [stderr]    --> src/ast.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     IfExpression {
[INFO] [stderr] 132 | |         test: Box<Expression>,
[INFO] [stderr] 133 | |         body: Box<Expression>,
[INFO] [stderr] 134 | |         orelse: Box<Expression>,
[INFO] [stderr] 135 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/ast.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | /     Call {
[INFO] [stderr] 137 | |         function: Box<Expression>,
[INFO] [stderr] 138 | |         args: Vec<Expression>,
[INFO] [stderr] 139 | |         keywords: Vec<Keyword>,
[INFO] [stderr] 140 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]    --> src/ast.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 | /     Identifier {
[INFO] [stderr] 142 | |         name: String,
[INFO] [stderr] 143 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]    --> src/ast.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     True,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]    --> src/ast.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     False,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/ast.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Break`
[INFO] [stderr]    --> src/ast.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     Break,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Continue`
[INFO] [stderr]    --> src/ast.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     Continue,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pass`
[INFO] [stderr]    --> src/ast.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     Pass,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]    --> src/ast.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | /     Return {
[INFO] [stderr] 164 | |         value: Option<Vec<Expression>>
[INFO] [stderr] 165 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assert`
[INFO] [stderr]    --> src/ast.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | /     Assert {
[INFO] [stderr] 167 | |         test: Expression,
[INFO] [stderr] 168 | |         msg: Option<Expression>,
[INFO] [stderr] 169 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assign`
[INFO] [stderr]    --> src/ast.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 | /     Assign {
[INFO] [stderr] 171 | |         targets: Vec<Expression>,
[INFO] [stderr] 172 | |         value: Expression,
[INFO] [stderr] 173 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expr`
[INFO] [stderr]    --> src/ast.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 | /     Expr {
[INFO] [stderr] 175 | |         expression: Expression,
[INFO] [stderr] 176 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]    --> src/ast.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     Program(Program),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]    --> src/ast.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Statement(Statement),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]    --> src/ast.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     Expression(Expression),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ParseError`
[INFO] [stderr]  --> src/parse.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum ParseError {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/parse.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Parser {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/parse.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn init(tokens: Vec<Token>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parser`
[INFO] [stderr]   --> src/parse.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn parser(&mut self) -> Option<ast::Program> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `statements`
[INFO] [stderr]   --> src/parse.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn statements(&mut self) -> Option<Result<Statement, ParseError>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_assignment`
[INFO] [stderr]   --> src/parse.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn parse_assignment(&mut self) -> Option<ast::Statement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expression`
[INFO] [stderr]    --> src/parse.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn expression(&mut self) -> Option<ast::Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `factor`
[INFO] [stderr]    --> src/parse.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn factor(&mut self) -> Option<ast::Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_print`
[INFO] [stderr]    --> src/parse.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn parse_print(&mut self) -> Option<ast::Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identifier`
[INFO] [stderr]    --> src/parse.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn identifier(&mut self) -> Result<ast::Expression, ParseError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `consume`
[INFO] [stderr]    --> src/parse.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn consume(&mut self, tok: &Token) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current`
[INFO] [stderr]    --> src/parse.rs:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn current(&self) -> Option<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `advance`
[INFO] [stderr]    --> src/parse.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn advance(&mut self) -> Option<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek`
[INFO] [stderr]    --> src/parse.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     fn peek(&mut self) -> Option<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expected`
[INFO] [stderr]    --> src/parse.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn expected(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_program`
[INFO] [stderr]    --> src/parse.rs:249:1
[INFO] [stderr]     |
[INFO] [stderr] 249 | pub fn parse_program(source: &str) -> Option<ast::Program> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/tokens.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub(crate) fn init(data: Vec<Token>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pos`
[INFO] [stderr]   --> src/tokens.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn pos(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn current(&self) -> Option<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_ahead`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn peek_ahead(&self, pos: usize) -> Option<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek`
[INFO] [stderr]   --> src/tokens.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn peek(&self) -> Option<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `advance`
[INFO] [stderr]   --> src/tokens.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn advance(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_token`
[INFO] [stderr]   --> src/tokens.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]  --> src/error.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/error.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Message(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `OperatorError`
[INFO] [stderr]   --> src/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum OperatorError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/primitive.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Error>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `negate`
[INFO] [stderr]   --> src/primitive.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn negate(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `minus`
[INFO] [stderr]   --> src/primitive.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn minus(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `plus`
[INFO] [stderr]   --> src/primitive.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn plus(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `and`
[INFO] [stderr]   --> src/primitive.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn and(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `or`
[INFO] [stderr]   --> src/primitive.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn or(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eq`
[INFO] [stderr]   --> src/primitive.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn eq(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_eq`
[INFO] [stderr]   --> src/primitive.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn not_eq(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `less_than`
[INFO] [stderr]    --> src/primitive.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn less_than(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `less_than_equal`
[INFO] [stderr]    --> src/primitive.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn less_than_equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greater_than`
[INFO] [stderr]    --> src/primitive.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn greater_than(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greater_than_equal`
[INFO] [stderr]    --> src/primitive.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn greater_than_equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is`
[INFO] [stderr]    --> src/primitive.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn is(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/primitive.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn add(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]    --> src/primitive.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn sub(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mul`
[INFO] [stderr]    --> src/primitive.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn mul(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `real_div`
[INFO] [stderr]    --> src/primitive.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn real_div(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int_div`
[INFO] [stderr]    --> src/primitive.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn int_div(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `module`
[INFO] [stderr]    --> src/primitive.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn module(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]    --> src/primitive.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn error<T>(left: &Self, right: Option<&Self>, op: OperatorError) -> Result<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/interpreter.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Result<T> = ::std::result::Result<T, Error>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/interpreter.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn init() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn eval(&self, program: Program) -> Result<Object> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_program`
[INFO] [stderr]   --> src/interpreter.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn visit_program(&self, program: Program) -> Result<Object> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_statement`
[INFO] [stderr]   --> src/interpreter.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn visit_statement(&self, statement: Statement) -> Result<Object> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_expression`
[INFO] [stderr]   --> src/interpreter.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn visit_expression(&self, expression: Expression) -> Result<Object> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/object.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Error>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/object.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Unit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `negate`
[INFO] [stderr]   --> src/object.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn negate(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unary_plus`
[INFO] [stderr]   --> src/object.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn unary_plus(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unary_minus`
[INFO] [stderr]   --> src/object.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn unary_minus(&self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/object.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `subtract`
[INFO] [stderr]   --> src/object.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn subtract(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `multiply`
[INFO] [stderr]   --> src/object.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn multiply(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int_divide`
[INFO] [stderr]   --> src/object.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn int_divide(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `real_divide`
[INFO] [stderr]    --> src/object.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn real_divide(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `module`
[INFO] [stderr]    --> src/object.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn module(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `and`
[INFO] [stderr]    --> src/object.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn and(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `or`
[INFO] [stderr]    --> src/object.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn or(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is`
[INFO] [stderr]    --> src/object.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn is(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `less_than`
[INFO] [stderr]    --> src/object.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn less_than(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greater_than`
[INFO] [stderr]    --> src/object.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn greater_than(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `less_than_equal`
[INFO] [stderr]    --> src/object.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn less_than_equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greater_than_equal`
[INFO] [stderr]    --> src/object.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn greater_than_equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `equal`
[INFO] [stderr]    --> src/object.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_equal`
[INFO] [stderr]    --> src/object.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn not_equal(&self, other: &Self) -> Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]    --> src/object.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn error<T>(&self, right: Option<&Self>, op: OperatorError) -> Result<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/primitive.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             (Float(left), Float(right)) => (left % (*right as f64)).into(),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/interpreter.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     _ => Err(Error::OtherError("Not Implemented yet!".into()))
[INFO] [stderr]    |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/parse.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Err(o) => {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/primitive.rs:154:14
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (left, right) => (false).into(),
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/primitive.rs:154:20
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (left, right) => (false).into(),
[INFO] [stderr]     |                    ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mut parser_ast = parse_program(r#"1 == 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut parser_ast = parse_program(r#"1 != 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut parser_ast = parse_program(r#"1 > 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut parser_ast = parse_program(r#"1 < 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut parser_ast = parse_program(r#"1 >= 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut parser_ast = parse_program(r#"1 <= 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut parser_ast = parse_program(r#"1 é 0"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut parser_ast = parse_program(r#"Verdadeiro e Verdadeiro"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut parser_ast = parse_program(r#"Verdadeiro e Verdadeiro"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut parser_ast = parse_program(r#"nao Falso"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let mut parser_ast = parse_program(r#"-1"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut parser_ast = parse_program(r#"1"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |         let mut parser_ast = parse_program(r#"9 + 3"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:251:13
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let mut parser_ast = parse_program(r#"9 - 3"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut parser_ast = parse_program(r#"9 * 3"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |         let mut parser_ast = parse_program(r#"9 / 3"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let mut parser_ast = parse_program(r#"9 % 3"#);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `In`
[INFO] [stderr]   --> src/ast.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     In,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotIn`
[INFO] [stderr]   --> src/ast.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     NotIn,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotIs`
[INFO] [stderr]   --> src/ast.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     NotIs,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfExpression`
[INFO] [stderr]    --> src/ast.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     IfExpression {
[INFO] [stderr] 132 | |         test: Box<Expression>,
[INFO] [stderr] 133 | |         body: Box<Expression>,
[INFO] [stderr] 134 | |         orelse: Box<Expression>,
[INFO] [stderr] 135 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/ast.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Continue`
[INFO] [stderr]    --> src/ast.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     Continue,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]    --> src/ast.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     Program(Program),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]    --> src/ast.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Statement(Statement),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]    --> src/ast.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     Expression(Expression),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expected`
[INFO] [stderr]    --> src/parse.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn expected(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_token`
[INFO] [stderr]   --> src/tokens.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/error.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Message(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotIs`
[INFO] [stderr]   --> src/error.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     NotIs,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "e4add3f1e3a92b5fea0e4ba92a13a80e25494b6d94091fa6d63bd93a10ea70e7"`
[INFO] running `"docker" "rm" "-f" "e4add3f1e3a92b5fea0e4ba92a13a80e25494b6d94091fa6d63bd93a10ea70e7"`
[INFO] [stdout] e4add3f1e3a92b5fea0e4ba92a13a80e25494b6d94091fa6d63bd93a10ea70e7