[INFO] cloning repository https://github.com/AndradeKaio/prism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndradeKaio/prism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndradeKaio%2Fprism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndradeKaio%2Fprism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb731299e01fe9e518567811ad0defecc36dc4f
[INFO] checking AndradeKaio/prism against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndradeKaio%2Fprism" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndradeKaio/prism on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndradeKaio/prism
[INFO] finished tweaking git repo https://github.com/AndradeKaio/prism
[INFO] tweaked toml for git repo https://github.com/AndradeKaio/prism written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AndradeKaio/prism already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba333b531924c8411ff2aeb9ac7a0c20d988f9b5fdbe9740dc550f935dd4c567
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba333b531924c8411ff2aeb9ac7a0c20d988f9b5fdbe9740dc550f935dd4c567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba333b531924c8411ff2aeb9ac7a0c20d988f9b5fdbe9740dc550f935dd4c567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba333b531924c8411ff2aeb9ac7a0c20d988f9b5fdbe9740dc550f935dd4c567", kill_on_drop: false }`
[INFO] [stdout] ba333b531924c8411ff2aeb9ac7a0c20d988f9b5fdbe9740dc550f935dd4c567
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994d6c1932660544df53d3ab45bad33cb9feba9ed60c27cb58f81423cd95f2fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "994d6c1932660544df53d3ab45bad33cb9feba9ed60c27cb58f81423cd95f2fe", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     assert!(match_tok!(1, 1), true);
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 19 |     assert!(match_tok!(1, 1), "{}", true);
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert!(match_tok!("string", "string"), true);
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert!(match_tok!("string", "string"), "{}", true);
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(match_tok!(true, false), false);
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(match_tok!(true, false), "{}", false);
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / macro_rules! match_tok {
[INFO] [stdout] 6  | |     ($e:expr, $p:pat) => {
[INFO] [stdout] 7  | |         match $e {
[INFO] [stdout] 8  | |             $p => true,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `error` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     error,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |             'a'...'z' | 'A'...'Z' | '_' => self.read_identifier(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:179:28
[INFO] [stdout]     |
[INFO] [stdout] 179 |             'a'...'z' | 'A'...'Z' | '_' => self.read_identifier(),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:180:16
[INFO] [stdout]     |
[INFO] [stdout] 180 |             '0'...'9' => self.read_number_literal(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AST`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ast::{AST, ASTKind};
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / macro_rules! match_tok {
[INFO] [stdout] 6  | |     ($e:expr, $p:pat) => {
[INFO] [stdout] 7  | |         match $e {
[INFO] [stdout] 8  | |             $p => true,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `error` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     error,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |             'a'...'z' | 'A'...'Z' | '_' => self.read_identifier(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:179:28
[INFO] [stdout]     |
[INFO] [stdout] 179 |             'a'...'z' | 'A'...'Z' | '_' => self.read_identifier(),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:180:16
[INFO] [stdout]     |
[INFO] [stdout] 180 |             '0'...'9' => self.read_number_literal(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AST`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ast::{AST, ASTKind};
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parser.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 return self.expr();
[INFO] [stdout]    |                 ------------------ any code following this expression is unreachable
[INFO] [stdout] 98 |                 self.match_tok(TokenType::Symbol(Symbol::CloseParen)); 
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parser.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 return self.expr();
[INFO] [stdout]    |                 ------------------ any code following this expression is unreachable
[INFO] [stdout] 98 |                 self.match_tok(TokenType::Symbol(Symbol::CloseParen)); 
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binop`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let binop = ast::AST{kind:ASTKind::BinOps(Box::new(val1), Box::new(val2), Symbol::Plus)};
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_binop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binop`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let binop = ast::AST{kind:ASTKind::BinOps(Box::new(val1), Box::new(val2), Symbol::Plus)};
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_binop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> src/ast.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     While(Box<AST>, Box<AST>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/parser.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cur_tok`
[INFO] [stdout]   --> src/parser.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn cur_tok(&self) -> Option<Token> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_line`
[INFO] [stdout]   --> src/lexer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get_line(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pos`
[INFO] [stdout]   --> src/lexer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_pos(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]    --> src/lexer.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     Not,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitFloat`
[INFO] [stdout]    --> src/lexer.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     LitFloat(f32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitByte`
[INFO] [stdout]    --> src/lexer.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     LitByte(u8),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitBool`
[INFO] [stdout]    --> src/lexer.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     LitBool(bool),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]    --> src/lexer.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Eof,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lexer.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn new(token_type: TokenType, lexem: Lexem, line: u32) -> Token {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_line`
[INFO] [stdout]    --> src/lexer.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn get_line(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> src/ast.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     While(Box<AST>, Box<AST>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/parser.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cur_tok`
[INFO] [stdout]   --> src/parser.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn cur_tok(&self) -> Option<Token> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_line`
[INFO] [stdout]   --> src/lexer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get_line(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pos`
[INFO] [stdout]   --> src/lexer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_pos(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]    --> src/lexer.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     Not,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitFloat`
[INFO] [stdout]    --> src/lexer.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     LitFloat(f32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitByte`
[INFO] [stdout]    --> src/lexer.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     LitByte(u8),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LitBool`
[INFO] [stdout]    --> src/lexer.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     LitBool(bool),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]    --> src/lexer.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     Eof,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lexer.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn new(token_type: TokenType, lexem: Lexem, line: u32) -> Token {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_line`
[INFO] [stdout]    --> src/lexer.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn get_line(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     parser.parse();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     parser.parse();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "994d6c1932660544df53d3ab45bad33cb9feba9ed60c27cb58f81423cd95f2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994d6c1932660544df53d3ab45bad33cb9feba9ed60c27cb58f81423cd95f2fe", kill_on_drop: false }`
[INFO] [stdout] 994d6c1932660544df53d3ab45bad33cb9feba9ed60c27cb58f81423cd95f2fe