[INFO] cloning repository https://github.com/rodrigobaraglia/monkeylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodrigobaraglia/monkeylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Fmonkeylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Fmonkeylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ff6916f9dd1e3a5227f63417f0418ec96ce1b95
[INFO] checking rodrigobaraglia/monkeylang against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Fmonkeylang" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigobaraglia/monkeylang on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigobaraglia/monkeylang
[INFO] finished tweaking git repo https://github.com/rodrigobaraglia/monkeylang
[INFO] tweaked toml for git repo https://github.com/rodrigobaraglia/monkeylang written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigobaraglia/monkeylang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652152153f67f749d5260a9a215874cfff110105a64522e6e46c9864ccb66c5a
[INFO] running `Command { std: "docker" "start" "-a" "652152153f67f749d5260a9a215874cfff110105a64522e6e46c9864ccb66c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652152153f67f749d5260a9a215874cfff110105a64522e6e46c9864ccb66c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652152153f67f749d5260a9a215874cfff110105a64522e6e46c9864ccb66c5a", kill_on_drop: false }`
[INFO] [stdout] 652152153f67f749d5260a9a215874cfff110105a64522e6e46c9864ccb66c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0cb1880e766262fdf1f77ce8fe1ce9210933ed22d3af480b0401e345131601b
[INFO] running `Command { std: "docker" "start" "-a" "b0cb1880e766262fdf1f77ce8fe1ce9210933ed22d3af480b0401e345131601b", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:7:40
[INFO] [stdout]    |
[INFO] [stdout] 7  |         HashMap::from([$($key,$val),*]);
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 33 |         let my_map2 = hash!(("a", 1), ("b", 2));
[INFO] [stdout]    |                       ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |         HashMap::from([($key, $val)]);
[INFO] [stdout]    |                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 34 |         let my_pair2 = hash! {"key" => 2};
[INFO] [stdout]    |                        ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::*`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::*`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::IntoIter`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::IntoIter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hash`
[INFO] [stdout]  --> src/utils.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | macro_rules! hash {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::*`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::*`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::IntoIter`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::IntoIter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 3  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 4  |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 5  |     IDENT { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     STRING { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 7  |     NUMBER { begin: usize, end: usize, kind: Num },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     INTEGER(i64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     FLOAT(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     RATIONAL { num: i64, denom: i64 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ASTERISK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     SLASH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     LTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     GTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, and `Rat` are never constructed
[INFO] [stdout]   --> src/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Num {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 38 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Rat,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Num` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]  --> src/lexer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cursor<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer.rs:9:8
[INFO] [stdout]     |
[INFO] [stdout] 8   | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 9   |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn offset(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn next_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     pub fn peek(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     pub fn bump(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn not_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn eat_while(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     pub fn eat_until(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn identifier(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn number(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn double_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn single_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]    --> src/lexer.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct Lexer<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next_token` are never used
[INFO] [stdout]    --> src/lexer.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 134 |     fn new(input: &str) -> Lexer {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Statement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/ast.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Identifier<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct BinaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct UnaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Parser<Tokens: Iterator<Item = Token>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_tokens` and `next_token` are never used
[INFO] [stdout]   --> src/parser.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<Tokens: Iterator<Item = Token>> Parser<Tokens>  {
[INFO] [stdout]    | --------------------------------------------------- associated items in this implementation
[INFO] [stdout] 15 |     fn from_tokens(tokens: Tokens) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ASTERISK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     SLASH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     LTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     GTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Statement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/ast.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Identifier<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct BinaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct UnaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b0cb1880e766262fdf1f77ce8fe1ce9210933ed22d3af480b0401e345131601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cb1880e766262fdf1f77ce8fe1ce9210933ed22d3af480b0401e345131601b", kill_on_drop: false }`
[INFO] [stdout] b0cb1880e766262fdf1f77ce8fe1ce9210933ed22d3af480b0401e345131601b
[INFO] checking rodrigobaraglia/monkeylang against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobaraglia%2Fmonkeylang" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigobaraglia/monkeylang on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigobaraglia/monkeylang
[INFO] finished tweaking git repo https://github.com/rodrigobaraglia/monkeylang
[INFO] tweaked toml for git repo https://github.com/rodrigobaraglia/monkeylang written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigobaraglia/monkeylang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fdc3ba88142f984539f85ab94fbefe82383e19f88c368113fd36cd8518a90ac
[INFO] running `Command { std: "docker" "start" "-a" "9fdc3ba88142f984539f85ab94fbefe82383e19f88c368113fd36cd8518a90ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fdc3ba88142f984539f85ab94fbefe82383e19f88c368113fd36cd8518a90ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdc3ba88142f984539f85ab94fbefe82383e19f88c368113fd36cd8518a90ac", kill_on_drop: false }`
[INFO] [stdout] 9fdc3ba88142f984539f85ab94fbefe82383e19f88c368113fd36cd8518a90ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240ebf35f822f7d41426e575dbc9530168776c79794b7d4eba77ef58c9ecb281
[INFO] running `Command { std: "docker" "start" "-a" "240ebf35f822f7d41426e575dbc9530168776c79794b7d4eba77ef58c9ecb281", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/utils.rs (1 fix)
[INFO] [stderr]        Fixed src/parser.rs (3 fixes)
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:6:40
[INFO] [stdout]    |
[INFO] [stdout] 6  |         HashMap::from([$($key,$val),*]);
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 32 |         let my_map2 = hash!(("a", 1), ("b", 2));
[INFO] [stdout]    |                       ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:9:38
[INFO] [stdout]    |
[INFO] [stdout] 9  |         HashMap::from([($key, $val)]);
[INFO] [stdout]    |                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 33 |         let my_pair2 = hash! {"key" => 2};
[INFO] [stdout]    |                        ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/36dbcaee1a55543dfc181be52a69d99ff46ff62f/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ASTERISK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     SLASH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     LTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     GTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Statement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/ast.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Identifier<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct BinaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct UnaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/utils.rs (1 fix)
[INFO] [stdout] warning: unused macro definition: `hash`
[INFO] [stdout]  --> src/utils.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | macro_rules! hash {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/36dbcaee1a55543dfc181be52a69d99ff46ff62f/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 3  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 4  |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 5  |     IDENT { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     STRING { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 7  |     NUMBER { begin: usize, end: usize, kind: Num },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     INTEGER(i64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     FLOAT(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     RATIONAL { num: i64, denom: i64 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ASTERISK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     SLASH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     LTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     GTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, and `Rat` are never constructed
[INFO] [stdout]   --> src/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Num {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 38 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Rat,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Num` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]  --> src/lexer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cursor<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer.rs:9:8
[INFO] [stdout]     |
[INFO] [stdout] 8   | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 9   |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn offset(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn next_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     pub fn peek(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     pub fn bump(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn not_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn eat_while(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     pub fn eat_until(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn identifier(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn number(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn double_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn single_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]    --> src/lexer.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct Lexer<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next_token` are never used
[INFO] [stdout]    --> src/lexer.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 134 |     fn new(input: &str) -> Lexer {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Statement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/ast.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Identifier<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct BinaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct UnaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Parser<Tokens: Iterator<Item = Token>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_tokens` and `next_token` are never used
[INFO] [stdout]   --> src/parser.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<Tokens: Iterator<Item = Token>> Parser<Tokens>  {
[INFO] [stdout]    | --------------------------------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn from_tokens(tokens: Tokens) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused macro definition: `hash`
[INFO] [stdout]  --> src/utils.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | macro_rules! hash {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/36dbcaee1a55543dfc181be52a69d99ff46ff62f/library/std/src/prelude/mod.rs:161:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 3  |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 4  |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 5  |     IDENT { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     STRING { begin: usize, end: usize },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 7  |     NUMBER { begin: usize, end: usize, kind: Num },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     INTEGER(i64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     FLOAT(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     RATIONAL { num: i64, denom: i64 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ASTERISK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     SLASH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     LT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     GT,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     LTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     GTE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     LET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int`, `Float`, and `Rat` are never constructed
[INFO] [stdout]   --> src/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Num {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 38 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Rat,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Num` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]  --> src/lexer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cursor<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer.rs:9:8
[INFO] [stdout]     |
[INFO] [stdout] 8   | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 9   |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn offset(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn next_token(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     pub fn peek(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     pub fn bump(&mut self) -> char {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn not_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn eat_while(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     pub fn eat_until(&mut self, mut pred: impl FnMut(char) -> bool) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn identifier(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn number(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn double_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn single_quote_string(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]    --> src/lexer.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct Lexer<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next_token` are never used
[INFO] [stdout]    --> src/lexer.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 134 |     fn new(input: &str) -> Lexer {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Statement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/ast.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Identifier<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct BinaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnaryOp` is never constructed
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct UnaryOp<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Parser<Tokens: Iterator<Item = Token>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_tokens` and `next_token` are never used
[INFO] [stdout]   --> src/parser.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<Tokens: Iterator<Item = Token>> Parser<Tokens>  {
[INFO] [stdout]    | --------------------------------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn from_tokens(tokens: Tokens) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap`
[INFO] [stdout]   --> src/utils.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 5  |         HashMap::from([$($key,$val),*]);
[INFO] [stdout]    |         ^^^^^^^ use of undeclared type `HashMap`
[INFO] [stdout] ...
[INFO] [stdout] 31 |         let my_map2 = hash!(("a", 1), ("b", 2));
[INFO] [stdout]    |                       ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 +     use std::collections::HashMap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap`
[INFO] [stdout]   --> src/utils.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  |         HashMap::from([($key, $val)]);
[INFO] [stdout]    |         ^^^^^^^ use of undeclared type `HashMap`
[INFO] [stdout] ...
[INFO] [stdout] 32 |         let my_pair2 = hash! {"key" => 2};
[INFO] [stdout]    |                        ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 +     use std::collections::HashMap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap`
[INFO] [stdout]   --> src/utils.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |           HashMap::from([$(($key,$val),)*])
[INFO] [stdout]    |           ^^^^^^^ use of undeclared type `HashMap`
[INFO] [stdout] ...
[INFO] [stdout] 33 |           let my_dict2 = hash! {
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 34 | |             "a" => 1,
[INFO] [stdout] 35 | |             "b" => 2,
[INFO] [stdout] 36 | |
[INFO] [stdout] 37 | |         };
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 +     use std::collections::HashMap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `static_hash`
[INFO] [stdout]   --> src/utils.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! static_hash {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/utils.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |         HashMap::from([$($key,$val),*]);
[INFO] [stdout]    |                                        ^
[INFO] [stdout] ...
[INFO] [stdout] 31 |         let my_map2 = hash!(("a", 1), ("b", 2));
[INFO] [stdout]    |                       ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/utils.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |         HashMap::from([($key, $val)]);
[INFO] [stdout]    |                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 32 |         let my_pair2 = hash! {"key" => 2};
[INFO] [stdout]    |                        ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `INTEGER_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     INTEGER_LITERAL(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BIN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BIN_OP(Rc<BinaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `BinOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UN_OP` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     UN_OP(Rc<UnaryOp<'a>>),
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `UnOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/36dbcaee1a55543dfc181be52a69d99ff46ff62f/library/std/src/prelude/mod.rs:161:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust` (bin "rust" test) due to 4 previous errors; 10 warnings emitted
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "240ebf35f822f7d41426e575dbc9530168776c79794b7d4eba77ef58c9ecb281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240ebf35f822f7d41426e575dbc9530168776c79794b7d4eba77ef58c9ecb281", kill_on_drop: false }`
[INFO] [stdout] 240ebf35f822f7d41426e575dbc9530168776c79794b7d4eba77ef58c9ecb281