[INFO] cloning repository https://github.com/nilq/hugorm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilq/hugorm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhugorm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhugorm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c83731777c341c7492245e415111f5ad386054c
[INFO] checking nilq/hugorm against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhugorm" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilq/hugorm on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilq/hugorm
[INFO] finished tweaking git repo https://github.com/nilq/hugorm
[INFO] tweaked toml for git repo https://github.com/nilq/hugorm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nilq/hugorm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec95235b2b81ce9e689d3c3f82df4cd52e0d1e230dc4ad8782430276e1cbe65d
[INFO] running `"docker" "start" "-a" "ec95235b2b81ce9e689d3c3f82df4cd52e0d1e230dc4ad8782430276e1cbe65d"`
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking hugorm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/hugorm/lexer/lexer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     matchers: Vec<Rc<Matcher<'l>>>,
[INFO] [stderr]   |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Matcher<'l>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hugorm/lexer/tokenizer.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn try_match_token(&mut self, matcher: &Matcher<'t>) -> Result<Option<Token>, ()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: use `dyn`: `dyn Matcher<'t>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `colored::Colorize`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use colored::Colorize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:109:35
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     let new_top = (address + self.frames.last().unwrap() + size as u32);
[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 method argument
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:320:27
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     push!((&to_bytes!(ip => u32)) => self.calls, [self.calls_top; 4]); // address for the `ret` to return to
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::StatementNode::*`
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |             use self::StatementNode::*;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::TypeNode::*`
[INFO] [stderr]    --> src/hugorm/vm/compiler.rs:312:13
[INFO] [stderr]     |
[INFO] [stderr] 312 |         use self::TypeNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::super::lexer::*`
[INFO] [stderr]   --> src/hugorm/vm/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use self::super::lexer::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::super::source::Source`
[INFO] [stderr]   --> src/hugorm/vm/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | use self::super::source::Source;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/hugorm/visitor/symtab.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `Write`, `self`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Display, Formatter, Write};
[INFO] [stderr]   |                ^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/hugorm/lexer/lexer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     matchers: Vec<Rc<Matcher<'l>>>,
[INFO] [stderr]   |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Matcher<'l>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hugorm/lexer/tokenizer.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn try_match_token(&mut self, matcher: &Matcher<'t>) -> Result<Option<Token>, ()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: use `dyn`: `dyn Matcher<'t>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `colored::Colorize`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use colored::Colorize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:109:35
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     let new_top = (address + self.frames.last().unwrap() + size as u32);
[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 method argument
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:320:27
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     push!((&to_bytes!(ip => u32)) => self.calls, [self.calls_top; 4]); // address for the `ret` to return to
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::StatementNode::*`
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |             use self::StatementNode::*;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::TypeNode::*`
[INFO] [stderr]    --> src/hugorm/vm/compiler.rs:312:13
[INFO] [stderr]     |
[INFO] [stderr] 312 |         use self::TypeNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::super::lexer::*`
[INFO] [stderr]   --> src/hugorm/vm/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use self::super::lexer::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::super::source::Source`
[INFO] [stderr]   --> src/hugorm/vm/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | use self::super::source::Source;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/hugorm/visitor/symtab.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `Write`, `self`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Display, Formatter, Write};
[INFO] [stderr]   |                ^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/hugorm/visitor/visitor.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ExpressionNode::*`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         use self::ExpressionNode::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 366 |             ref current => {
[INFO] [stderr]     |             ----------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 403 |             _ => Ok(expression),
[INFO] [stderr]     |             ^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             _ => (),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             _ => {
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/hugorm/lexer/tokenizer.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some(item) = self.items.get(self.index + 1) {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `backup_index`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |         let backup_index = self.index;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_backup_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size_to`
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:242:25
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let size_to = bytecode[ip as usize];
[INFO] [stderr]     |                         ^^^^^^^ help: consider prefixing with an underscore: `_size_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/hugorm/vm/compiler.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |             for (i, param) in params.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:139:36
[INFO] [stderr]     |
[INFO] [stderr] 139 |             Function(ref name, ref params, ref body) => {
[INFO] [stderr]     |                                    ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:359:60
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn visit_variable(&mut self, variable: &StatementNode, pos: &Pos) -> Result<(), ()> {
[INFO] [stderr]     |                                                            ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:390:50
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn visit_ass(&mut self, ass: &StatementNode, pos: &Pos) -> Result<(), ()> {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     let mut bytecode = compiler.bytecode;
[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/hugorm/vm/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/hugorm/vm/vm.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     push!(value => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]    |                     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:137:21
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     push!(&to_bytes!(a.wrapping_add(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     push!(&to_bytes!(a + b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     push!(&to_bytes!(a.wrapping_sub(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     push!(&to_bytes!(a - b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |                     push!(&to_bytes!(a.wrapping_mul(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     push!(&to_bytes!(a.wrapping_div(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:215:21
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     push!(&to_bytes!(a / b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     push!(value => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     push!((&to_bytes!(ip => u32)) => self.calls, [self.calls_top; 4]); // address for the `ret` to return to
[INFO] [stderr]     |                     ------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Weird`
[INFO] [stderr]  --> src/hugorm/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Weird(T),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Note`
[INFO] [stderr]  --> src/hugorm/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Note(T),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/hugorm/source.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(path: String) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_lexeme`
[INFO] [stderr]   --> src/hugorm/lexer/token.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn get_lexeme(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Char`
[INFO] [stderr]   --> src/hugorm/parser/ast.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |   Char(char),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_type`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:606:5
[INFO] [stderr]     |
[INFO] [stderr] 606 |     fn expect_type(&self, token_type: TokenType) -> Result<(), ()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_lexeme`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 |     fn expect_lexeme(&self, lexeme: &str) -> Result<(), ()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Set    = 0x03,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JmpF`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     JmpF   = 0x04,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jmp`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Jmp    = 0x05,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Eq     = 0x06,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dump`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Dump   = 0x07,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivI`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     DivI   = 0x16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConvIF`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ConvIF = 0x18,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConvFI`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ConvFI = 0x19,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `frame_index`
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     frame_index: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from(table: HashMap<String, Type>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn debug(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn from(table: HashMap<String, Type>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign_str`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn assign_str(&mut self, name: &str, t: Type) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_str`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn fetch_str(&self, name: &str) -> Option<Type> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_frame`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn current_frame(&self) -> &Frame {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put_frame`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn put_frame(&mut self, frame: Frame) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_foreign_module`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn get_foreign_module(&self, id: &String) -> Option<&HashMap<String, Type>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `import`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn import(&mut self, id: String, origin: HashMap<String, Type>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Any`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Any,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Id`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Id(Rc<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undeclared`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Undeclared,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Immutable`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Immutable,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Loop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Nothing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign_str`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn assign_str(&mut self, name: &str, t: Type) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/hugorm/vm/compiler.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     compiler.compile(&ast);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     vm.exec(bytecode.as_slice(), compiler.functions_i);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         self.new_line();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     self.visit_statement(statement);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 366 |             ref current => {
[INFO] [stderr]     |             ----------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 403 |             _ => Ok(expression),
[INFO] [stderr]     |             ^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             _ => (),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             _ => {
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/hugorm/lexer/tokenizer.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some(item) = self.items.get(self.index + 1) {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `backup_index`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |         let backup_index = self.index;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_backup_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size_to`
[INFO] [stderr]    --> src/hugorm/vm/vm.rs:242:25
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let size_to = bytecode[ip as usize];
[INFO] [stderr]     |                         ^^^^^^^ help: consider prefixing with an underscore: `_size_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/hugorm/vm/compiler.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |             for (i, param) in params.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:139:36
[INFO] [stderr]     |
[INFO] [stderr] 139 |             Function(ref name, ref params, ref body) => {
[INFO] [stderr]     |                                    ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:359:60
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn visit_variable(&mut self, variable: &StatementNode, pos: &Pos) -> Result<(), ()> {
[INFO] [stderr]     |                                                            ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:390:50
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn visit_ass(&mut self, ass: &StatementNode, pos: &Pos) -> Result<(), ()> {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     let mut bytecode = compiler.bytecode;
[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/hugorm/vm/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/hugorm/vm/vm.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     push!(value => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]    |                     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:137:21
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     push!(&to_bytes!(a.wrapping_add(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     push!(&to_bytes!(a + b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     push!(&to_bytes!(a.wrapping_sub(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     push!(&to_bytes!(a - b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |                     push!(&to_bytes!(a.wrapping_mul(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     push!(&to_bytes!(a.wrapping_div(b) => i32) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:215:21
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     push!(&to_bytes!(a / b => f64) => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     push!(value => self.stack, [self.stack_top; size as u32]);
[INFO] [stderr]     |                     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hugorm/vm/mod.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  |     let mut slice = &mut $target[$from as usize .. ($from + $size) as usize];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/hugorm/vm/vm.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     push!((&to_bytes!(ip => u32)) => self.calls, [self.calls_top; 4]); // address for the `ret` to return to
[INFO] [stderr]     |                     ------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Weird`
[INFO] [stderr]  --> src/hugorm/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Weird(T),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Note`
[INFO] [stderr]  --> src/hugorm/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Note(T),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/hugorm/source.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(path: String) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_lexeme`
[INFO] [stderr]   --> src/hugorm/lexer/token.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn get_lexeme(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Char`
[INFO] [stderr]   --> src/hugorm/parser/ast.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |   Char(char),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_type`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:606:5
[INFO] [stderr]     |
[INFO] [stderr] 606 |     fn expect_type(&self, token_type: TokenType) -> Result<(), ()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_lexeme`
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 |     fn expect_lexeme(&self, lexeme: &str) -> Result<(), ()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Set    = 0x03,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JmpF`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     JmpF   = 0x04,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jmp`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Jmp    = 0x05,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Eq     = 0x06,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dump`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Dump   = 0x07,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivI`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     DivI   = 0x16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConvIF`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ConvIF = 0x18,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConvFI`
[INFO] [stderr]   --> src/hugorm/vm/vm.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ConvFI = 0x19,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `frame_index`
[INFO] [stderr]   --> src/hugorm/vm/compiler.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     frame_index: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from(table: HashMap<String, Type>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn debug(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn from(table: HashMap<String, Type>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign_str`
[INFO] [stderr]   --> src/hugorm/visitor/symtab.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn assign_str(&mut self, name: &str, t: Type) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_str`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn fetch_str(&self, name: &str) -> Option<Type> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_frame`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn current_frame(&self) -> &Frame {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put_frame`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn put_frame(&mut self, frame: Frame) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_foreign_module`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn get_foreign_module(&self, id: &String) -> Option<&HashMap<String, Type>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `import`
[INFO] [stderr]    --> src/hugorm/visitor/symtab.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn import(&mut self, id: String, origin: HashMap<String, Type>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Any`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Any,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Id`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Id(Rc<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undeclared`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Undeclared,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Immutable`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Immutable,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Loop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]   --> src/hugorm/visitor/visitor.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Nothing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign_str`
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn assign_str(&mut self, name: &str, t: Type) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/hugorm/vm/vm.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/hugorm/vm/compiler.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     compiler.compile(&ast);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     vm.exec(bytecode.as_slice(), compiler.functions_i);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/hugorm/parser/parser.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         self.new_line();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/hugorm/visitor/visitor.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     self.visit_statement(statement);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `"docker" "inspect" "ec95235b2b81ce9e689d3c3f82df4cd52e0d1e230dc4ad8782430276e1cbe65d"`
[INFO] running `"docker" "rm" "-f" "ec95235b2b81ce9e689d3c3f82df4cd52e0d1e230dc4ad8782430276e1cbe65d"`
[INFO] [stdout] ec95235b2b81ce9e689d3c3f82df4cd52e0d1e230dc4ad8782430276e1cbe65d