Dec 19 21:20:28.638 INFO checking Weltraumschaf/minivm against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:20:28.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Weltraumschaf/minivm:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:20:29.068 INFO [stdout] 1a650c20505bb4a2cc0bcb0bce6e70a65f8dd3f8a9904a26c124a0faacbf54e8
Dec 19 21:20:29.072 INFO running `"docker" "start" "-a" "1a650c20505bb4a2cc0bcb0bce6e70a65f8dd3f8a9904a26c124a0faacbf54e8"`
Dec 19 21:20:30.676 INFO [stderr]     Checking humantime v1.1.0
Dec 19 21:20:30.684 INFO [stderr]     Checking hamcrest v0.1.5
Dec 19 21:20:31.369 INFO [stderr]     Checking env_logger v0.5.4
Dec 19 21:20:32.628 INFO [stderr]     Checking minivm v1.0.0 (/opt/crater/workdir)
Dec 19 21:20:33.816 INFO [stderr] warning: unused variable: `n`
Dec 19 21:20:33.816 INFO [stderr]   --> src/intermediate/visitor.rs:14:36
Dec 19 21:20:33.816 INFO [stderr]    |
Dec 19 21:20:33.816 INFO [stderr] 14 |     fn visit_identifier(&mut self, n: &Identifier) -> i64 { panic!() }
Dec 19 21:20:33.816 INFO [stderr]    |                                    ^ help: consider using `_n` instead
Dec 19 21:20:33.816 INFO [stderr]    |
Dec 19 21:20:33.816 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:20:33.816 INFO [stderr] 
Dec 19 21:20:33.816 INFO [stderr] warning: unused variable: `op`
Dec 19 21:20:33.816 INFO [stderr]   --> src/intermediate/visitor.rs:27:45
Dec 19 21:20:33.816 INFO [stderr]    |
Dec 19 21:20:33.816 INFO [stderr] 27 |             Expression::BinaryOperation(ref op, ref lhs, ref rhs) => {
Dec 19 21:20:33.816 INFO [stderr]    |                                             ^^ help: consider using `_op` instead
Dec 19 21:20:33.816 INFO [stderr] 
Dec 19 21:20:33.921 INFO [stderr] warning: variant is never constructed: `Assignment`
Dec 19 21:20:33.921 INFO [stderr]  --> src/intermediate/ast.rs:4:5
Dec 19 21:20:33.921 INFO [stderr]   |
Dec 19 21:20:33.921 INFO [stderr] 4 |     Assignment(Identifier, Expression),
Dec 19 21:20:33.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.921 INFO [stderr]   |
Dec 19 21:20:33.921 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:20:33.921 INFO [stderr] 
Dec 19 21:20:33.921 INFO [stderr] warning: variant is never constructed: `Constant`
Dec 19 21:20:33.921 INFO [stderr]  --> src/intermediate/ast.rs:6:5
Dec 19 21:20:33.921 INFO [stderr]   |
Dec 19 21:20:33.921 INFO [stderr] 6 |     Constant((Identifier, Expression)),
Dec 19 21:20:33.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.921 INFO [stderr] 
Dec 19 21:20:33.921 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 19 21:20:33.921 INFO [stderr]  --> src/intermediate/ast.rs:8:5
Dec 19 21:20:33.921 INFO [stderr]   |
Dec 19 21:20:33.921 INFO [stderr] 8 |     Variable((Identifier, Expression)),
Dec 19 21:20:33.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.921 INFO [stderr] 
Dec 19 21:20:33.922 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 19 21:20:33.922 INFO [stderr]   --> src/intermediate/ast.rs:10:5
Dec 19 21:20:33.922 INFO [stderr]    |
Dec 19 21:20:33.922 INFO [stderr] 10 |     Expression(Expression),
Dec 19 21:20:33.922 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.922 INFO [stderr] 
Dec 19 21:20:33.922 INFO [stderr] warning: field is never used: `name`
Dec 19 21:20:33.922 INFO [stderr]   --> src/intermediate/ast.rs:16:5
Dec 19 21:20:33.922 INFO [stderr]    |
Dec 19 21:20:33.922 INFO [stderr] 16 |     name: String,
Dec 19 21:20:33.922 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:20:33.922 INFO [stderr] 
Dec 19 21:20:33.922 INFO [stderr] warning: variant is never constructed: `Nil`
Dec 19 21:20:33.922 INFO [stderr]   --> src/intermediate/ast.rs:22:5
Dec 19 21:20:33.922 INFO [stderr]    |
Dec 19 21:20:33.922 INFO [stderr] 22 |     Nil,
Dec 19 21:20:33.922 INFO [stderr]    |     ^^^
Dec 19 21:20:33.922 INFO [stderr] 
Dec 19 21:20:33.922 INFO [stderr] warning: variant is never constructed: `Integer`
Dec 19 21:20:33.922 INFO [stderr]   --> src/intermediate/ast.rs:24:5
Dec 19 21:20:33.922 INFO [stderr]    |
Dec 19 21:20:33.922 INFO [stderr] 24 |     Integer(i64),
Dec 19 21:20:33.922 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:20:33.922 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `Real`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:26:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 26 |     Real(f64),
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:20:33.923 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `String`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:28:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 28 |     String(String),
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 21:20:33.923 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:30:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 30 |     Boolean(bool),
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:20:33.923 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `BinaryOperation`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:32:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 32 |     BinaryOperation(BinaryOperator, Box<Expression>, Box<Expression>),
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.923 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `UnaryOperation`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:34:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 34 |     UnaryOperation(UnaryOperator, Box<Expression>),
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.923 INFO [stderr] 
Dec 19 21:20:33.923 INFO [stderr] warning: variant is never constructed: `Assign`
Dec 19 21:20:33.923 INFO [stderr]   --> src/intermediate/ast.rs:40:5
Dec 19 21:20:33.923 INFO [stderr]    |
Dec 19 21:20:33.923 INFO [stderr] 40 |     Assign,
Dec 19 21:20:33.923 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:33.924 INFO [stderr] 
Dec 19 21:20:33.924 INFO [stderr] warning: variant is never constructed: `Add`
Dec 19 21:20:33.924 INFO [stderr]   --> src/intermediate/ast.rs:43:5
Dec 19 21:20:33.924 INFO [stderr]    |
Dec 19 21:20:33.924 INFO [stderr] 43 |     Add,
Dec 19 21:20:33.924 INFO [stderr]    |     ^^^
Dec 19 21:20:33.924 INFO [stderr] 
Dec 19 21:20:33.924 INFO [stderr] warning: variant is never constructed: `Subtract`
Dec 19 21:20:33.924 INFO [stderr]   --> src/intermediate/ast.rs:45:5
Dec 19 21:20:33.924 INFO [stderr]    |
Dec 19 21:20:33.924 INFO [stderr] 45 |     Subtract,
Dec 19 21:20:33.924 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:33.924 INFO [stderr] 
Dec 19 21:20:33.924 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 19 21:20:33.924 INFO [stderr]   --> src/intermediate/ast.rs:47:5
Dec 19 21:20:33.924 INFO [stderr]    |
Dec 19 21:20:33.924 INFO [stderr] 47 |     Multiply,
Dec 19 21:20:33.924 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:33.925 INFO [stderr] 
Dec 19 21:20:33.925 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 19 21:20:33.925 INFO [stderr]   --> src/intermediate/ast.rs:49:5
Dec 19 21:20:33.925 INFO [stderr]    |
Dec 19 21:20:33.925 INFO [stderr] 49 |     Divide,
Dec 19 21:20:33.925 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:33.925 INFO [stderr] 
Dec 19 21:20:33.925 INFO [stderr] warning: variant is never constructed: `Modulo`
Dec 19 21:20:33.925 INFO [stderr]   --> src/intermediate/ast.rs:51:5
Dec 19 21:20:33.925 INFO [stderr]    |
Dec 19 21:20:33.925 INFO [stderr] 51 |     Modulo,
Dec 19 21:20:33.925 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:33.925 INFO [stderr] 
Dec 19 21:20:33.925 INFO [stderr] warning: variant is never constructed: `Equal`
Dec 19 21:20:33.925 INFO [stderr]   --> src/intermediate/ast.rs:54:5
Dec 19 21:20:33.925 INFO [stderr]    |
Dec 19 21:20:33.925 INFO [stderr] 54 |     Equal,
Dec 19 21:20:33.925 INFO [stderr]    |     ^^^^^
Dec 19 21:20:33.925 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `NotEqual`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:56:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 56 |     NotEqual,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `LessThan`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:58:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 58 |     LessThan,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `LessThanEqual`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:60:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 60 |     LessThanEqual,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `GreaterThan`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:62:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 62 |     GreaterThan,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `GreaterThanEqual`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:64:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 64 |     GreaterThanEqual,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `And`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:67:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 67 |     And,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^^
Dec 19 21:20:33.926 INFO [stderr] 
Dec 19 21:20:33.926 INFO [stderr] warning: variant is never constructed: `Or`
Dec 19 21:20:33.926 INFO [stderr]   --> src/intermediate/ast.rs:69:5
Dec 19 21:20:33.926 INFO [stderr]    |
Dec 19 21:20:33.926 INFO [stderr] 69 |     Or,
Dec 19 21:20:33.926 INFO [stderr]    |     ^^
Dec 19 21:20:33.932 INFO [stderr] 
Dec 19 21:20:33.932 INFO [stderr] warning: variant is never constructed: `Not`
Dec 19 21:20:33.932 INFO [stderr]   --> src/intermediate/ast.rs:75:5
Dec 19 21:20:33.932 INFO [stderr]    |
Dec 19 21:20:33.932 INFO [stderr] 75 |     Not,
Dec 19 21:20:33.932 INFO [stderr]    |     ^^^
Dec 19 21:20:33.932 INFO [stderr] 
Dec 19 21:20:33.932 INFO [stderr] warning: struct is never constructed: `Interpreter`
Dec 19 21:20:33.932 INFO [stderr]   --> src/intermediate/visitor.rs:11:1
Dec 19 21:20:33.932 INFO [stderr]    |
Dec 19 21:20:33.932 INFO [stderr] 11 | pub struct Interpreter;
Dec 19 21:20:33.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:33.932 INFO [stderr] 
Dec 19 21:20:34.244 INFO [stderr] warning: unused import: `super::*`
Dec 19 21:20:34.244 INFO [stderr]   --> src/commands/disassemble_command.rs:31:9
Dec 19 21:20:34.244 INFO [stderr]    |
Dec 19 21:20:34.244 INFO [stderr] 31 |     use super::*;
Dec 19 21:20:34.244 INFO [stderr]    |         ^^^^^^^^
Dec 19 21:20:34.244 INFO [stderr]    |
Dec 19 21:20:34.244 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:20:34.244 INFO [stderr] 
Dec 19 21:20:34.244 INFO [stderr] warning: unused import: `hamcrest::prelude::*`
Dec 19 21:20:34.244 INFO [stderr]   --> src/commands/disassemble_command.rs:32:9
Dec 19 21:20:34.244 INFO [stderr]    |
Dec 19 21:20:34.244 INFO [stderr] 32 |     use hamcrest::prelude::*;
Dec 19 21:20:34.244 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:34.244 INFO [stderr] 
Dec 19 21:20:36.112 INFO [stderr] warning: unused variable: `token`
Dec 19 21:20:36.112 INFO [stderr]   --> src/frontend/lexer/character_lexer.rs:91:13
Dec 19 21:20:36.112 INFO [stderr]    |
Dec 19 21:20:36.112 INFO [stderr] 91 |         let token = sut.scan(&mut src);
Dec 19 21:20:36.112 INFO [stderr]    |             ^^^^^ help: consider using `_token` instead
Dec 19 21:20:36.112 INFO [stderr]    |
Dec 19 21:20:36.112 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:20:36.112 INFO [stderr] 
Dec 19 21:20:36.112 INFO [stderr] warning: unused variable: `token`
Dec 19 21:20:36.112 INFO [stderr]   --> src/frontend/lexer/string_lexer.rs:75:13
Dec 19 21:20:36.112 INFO [stderr]    |
Dec 19 21:20:36.112 INFO [stderr] 75 |         let token = sut.scan(&mut src);
Dec 19 21:20:36.112 INFO [stderr]    |             ^^^^^ help: consider using `_token` instead
Dec 19 21:20:36.112 INFO [stderr] 
Dec 19 21:20:36.112 INFO [stderr] warning: unused variable: `token`
Dec 19 21:20:36.112 INFO [stderr]   --> src/frontend/lexer/string_lexer.rs:99:13
Dec 19 21:20:36.112 INFO [stderr]    |
Dec 19 21:20:36.112 INFO [stderr] 99 |         let token = sut.scan(&mut src);
Dec 19 21:20:36.112 INFO [stderr]    |             ^^^^^ help: consider using `_token` instead
Dec 19 21:20:36.113 INFO [stderr] 
Dec 19 21:20:36.120 INFO [stderr] warning: unused variable: `n`
Dec 19 21:20:36.120 INFO [stderr]   --> src/intermediate/visitor.rs:14:36
Dec 19 21:20:36.120 INFO [stderr]    |
Dec 19 21:20:36.120 INFO [stderr] 14 |     fn visit_identifier(&mut self, n: &Identifier) -> i64 { panic!() }
Dec 19 21:20:36.120 INFO [stderr]    |                                    ^ help: consider using `_n` instead
Dec 19 21:20:36.120 INFO [stderr] 
Dec 19 21:20:36.120 INFO [stderr] warning: unused variable: `op`
Dec 19 21:20:36.120 INFO [stderr]   --> src/intermediate/visitor.rs:27:45
Dec 19 21:20:36.120 INFO [stderr]    |
Dec 19 21:20:36.120 INFO [stderr] 27 |             Expression::BinaryOperation(ref op, ref lhs, ref rhs) => {
Dec 19 21:20:36.120 INFO [stderr]    |                                             ^^ help: consider using `_op` instead
Dec 19 21:20:36.120 INFO [stderr] 
Dec 19 21:20:36.212 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:20:36.212 INFO [stderr]   --> src/backend/byte_conversion.rs:81:13
Dec 19 21:20:36.212 INFO [stderr]    |
Dec 19 21:20:36.212 INFO [stderr] 81 |         let mut bytes = int_to_bytes(an_int);
Dec 19 21:20:36.212 INFO [stderr]    |             ----^^^^^
Dec 19 21:20:36.212 INFO [stderr]    |             |
Dec 19 21:20:36.212 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:20:36.212 INFO [stderr]    |
Dec 19 21:20:36.212 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:20:36.212 INFO [stderr] 
Dec 19 21:20:36.220 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:20:36.220 INFO [stderr]   --> src/backend/byte_conversion.rs:95:13
Dec 19 21:20:36.220 INFO [stderr]    |
Dec 19 21:20:36.220 INFO [stderr] 95 |         let mut bytes = int_to_bytes(an_int);
Dec 19 21:20:36.220 INFO [stderr]    |             ----^^^^^
Dec 19 21:20:36.220 INFO [stderr]    |             |
Dec 19 21:20:36.220 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:20:36.220 INFO [stderr] 
Dec 19 21:20:36.220 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:20:36.220 INFO [stderr]    --> src/backend/byte_conversion.rs:109:13
Dec 19 21:20:36.220 INFO [stderr]     |
Dec 19 21:20:36.220 INFO [stderr] 109 |         let mut bytes = float_to_bytes(an_float);
Dec 19 21:20:36.220 INFO [stderr]     |             ----^^^^^
Dec 19 21:20:36.220 INFO [stderr]     |             |
Dec 19 21:20:36.220 INFO [stderr]     |             help: remove this `mut`
Dec 19 21:20:36.220 INFO [stderr] 
Dec 19 21:20:36.224 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:20:36.224 INFO [stderr]    --> src/backend/byte_conversion.rs:123:13
Dec 19 21:20:36.224 INFO [stderr]     |
Dec 19 21:20:36.224 INFO [stderr] 123 |         let mut bytes = float_to_bytes(an_float);
Dec 19 21:20:36.224 INFO [stderr]     |             ----^^^^^
Dec 19 21:20:36.224 INFO [stderr]     |             |
Dec 19 21:20:36.224 INFO [stderr]     |             help: remove this `mut`
Dec 19 21:20:36.224 INFO [stderr] 
Dec 19 21:20:36.479 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:20:36.479 INFO [stderr]    --> src/frontend/lexer/mod.rs:125:13
Dec 19 21:20:36.479 INFO [stderr]     |
Dec 19 21:20:36.479 INFO [stderr] 125 |         let mut src = CharacterStream::new(String::from("var s = \"Hello, World!\"\n
Dec 19 21:20:36.479 INFO [stderr]     |             ----^^^
Dec 19 21:20:36.479 INFO [stderr]     |             |
Dec 19 21:20:36.479 INFO [stderr]     |             help: remove this `mut`
Dec 19 21:20:36.479 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Assignment`
Dec 19 21:20:36.597 INFO [stderr]  --> src/intermediate/ast.rs:4:5
Dec 19 21:20:36.597 INFO [stderr]   |
Dec 19 21:20:36.597 INFO [stderr] 4 |     Assignment(Identifier, Expression),
Dec 19 21:20:36.597 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr]   |
Dec 19 21:20:36.597 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Constant`
Dec 19 21:20:36.597 INFO [stderr]  --> src/intermediate/ast.rs:6:5
Dec 19 21:20:36.597 INFO [stderr]   |
Dec 19 21:20:36.597 INFO [stderr] 6 |     Constant((Identifier, Expression)),
Dec 19 21:20:36.597 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 19 21:20:36.597 INFO [stderr]  --> src/intermediate/ast.rs:8:5
Dec 19 21:20:36.597 INFO [stderr]   |
Dec 19 21:20:36.597 INFO [stderr] 8 |     Variable((Identifier, Expression)),
Dec 19 21:20:36.597 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:10:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 10 |     Expression(Expression),
Dec 19 21:20:36.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: field is never used: `name`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:16:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 16 |     name: String,
Dec 19 21:20:36.597 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Nil`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:22:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 22 |     Nil,
Dec 19 21:20:36.597 INFO [stderr]    |     ^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Integer`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:24:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 24 |     Integer(i64),
Dec 19 21:20:36.597 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `Real`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:26:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 26 |     Real(f64),
Dec 19 21:20:36.597 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:20:36.597 INFO [stderr] 
Dec 19 21:20:36.597 INFO [stderr] warning: variant is never constructed: `String`
Dec 19 21:20:36.597 INFO [stderr]   --> src/intermediate/ast.rs:28:5
Dec 19 21:20:36.597 INFO [stderr]    |
Dec 19 21:20:36.597 INFO [stderr] 28 |     String(String),
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:30:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 30 |     Boolean(bool),
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `BinaryOperation`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:32:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 32 |     BinaryOperation(BinaryOperator, Box<Expression>, Box<Expression>),
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `UnaryOperation`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:34:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 34 |     UnaryOperation(UnaryOperator, Box<Expression>),
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Assign`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:40:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 40 |     Assign,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Add`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:43:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 43 |     Add,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Subtract`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:45:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 45 |     Subtract,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:47:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 47 |     Multiply,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:49:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 49 |     Divide,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Modulo`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:51:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 51 |     Modulo,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `Equal`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:54:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 54 |     Equal,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `NotEqual`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:56:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.598 INFO [stderr] 56 |     NotEqual,
Dec 19 21:20:36.598 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:36.598 INFO [stderr] 
Dec 19 21:20:36.598 INFO [stderr] warning: variant is never constructed: `LessThan`
Dec 19 21:20:36.598 INFO [stderr]   --> src/intermediate/ast.rs:58:5
Dec 19 21:20:36.598 INFO [stderr]    |
Dec 19 21:20:36.604 INFO [stderr] 58 |     LessThan,
Dec 19 21:20:36.604 INFO [stderr]    |     ^^^^^^^^
Dec 19 21:20:36.604 INFO [stderr] 
Dec 19 21:20:36.604 INFO [stderr] warning: variant is never constructed: `LessThanEqual`
Dec 19 21:20:36.604 INFO [stderr]   --> src/intermediate/ast.rs:60:5
Dec 19 21:20:36.604 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 60 |     LessThanEqual,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: variant is never constructed: `GreaterThan`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/ast.rs:62:5
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 62 |     GreaterThan,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: variant is never constructed: `GreaterThanEqual`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/ast.rs:64:5
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 64 |     GreaterThanEqual,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: variant is never constructed: `And`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/ast.rs:67:5
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 67 |     And,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: variant is never constructed: `Or`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/ast.rs:69:5
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 69 |     Or,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: variant is never constructed: `Not`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/ast.rs:75:5
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 75 |     Not,
Dec 19 21:20:36.605 INFO [stderr]    |     ^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.605 INFO [stderr] warning: struct is never constructed: `Interpreter`
Dec 19 21:20:36.605 INFO [stderr]   --> src/intermediate/visitor.rs:11:1
Dec 19 21:20:36.605 INFO [stderr]    |
Dec 19 21:20:36.605 INFO [stderr] 11 | pub struct Interpreter;
Dec 19 21:20:36.605 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:20:36.605 INFO [stderr] 
Dec 19 21:20:36.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 19 21:20:37.426 INFO running `"docker" "inspect" "1a650c20505bb4a2cc0bcb0bce6e70a65f8dd3f8a9904a26c124a0faacbf54e8"`
Dec 19 21:20:37.694 INFO running `"docker" "rm" "-f" "1a650c20505bb4a2cc0bcb0bce6e70a65f8dd3f8a9904a26c124a0faacbf54e8"`
Dec 19 21:20:38.004 INFO [stdout] 1a650c20505bb4a2cc0bcb0bce6e70a65f8dd3f8a9904a26c124a0faacbf54e8