[INFO] cloning repository https://github.com/nihaodekuangshang/tng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nihaodekuangshang/tng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaodekuangshang%2Ftng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaodekuangshang%2Ftng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63573cedf56c63da7d6adb43e4b9a9e5e163c01
[INFO] testing nihaodekuangshang/tng against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaodekuangshang%2Ftng" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nihaodekuangshang/tng
[INFO] finished tweaking git repo https://github.com/nihaodekuangshang/tng
[INFO] tweaked toml for git repo https://github.com/nihaodekuangshang/tng written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nihaodekuangshang/tng on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nihaodekuangshang/tng 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b1ea44c9f1051a5d522ed403e12c8d12e0c58951bded0f826771a16e26b66b1
[INFO] running `Command { std: "docker" "start" "-a" "1b1ea44c9f1051a5d522ed403e12c8d12e0c58951bded0f826771a16e26b66b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b1ea44c9f1051a5d522ed403e12c8d12e0c58951bded0f826771a16e26b66b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1ea44c9f1051a5d522ed403e12c8d12e0c58951bded0f826771a16e26b66b1", kill_on_drop: false }`
[INFO] [stdout] 1b1ea44c9f1051a5d522ed403e12c8d12e0c58951bded0f826771a16e26b66b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d6efe304b29e33983d7bdf4a7f5b93ece509dbc268979fd90794b908071e6c
[INFO] running `Command { std: "docker" "start" "-a" "a2d6efe304b29e33983d7bdf4a7f5b93ece509dbc268979fd90794b908071e6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tools::get_num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tools::get_num;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/Lexer.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut tokens = Vec::<Token<'a>>::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(code: &str) {
[INFO] [stdout]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn run_file(path: &String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(code: &str) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PERCENT` is never constructed
[INFO] [stdout]   --> src/Lexer.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     PERCENT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/Lexer.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 97 -     Number(f64),
[INFO] [stdout] 97 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/Lexer.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Str(&'a str),
[INFO] [stdout]    |     --- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 98 -     Str(&'a str),
[INFO] [stdout] 98 +     Str(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Boolean`, `Function`, `Userdata`, `Thread`, and `Table` are never constructed
[INFO] [stdout]    --> src/Lexer.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub enum Literal<'a> {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout]  95 |     Nil,
[INFO] [stdout]  96 |     Boolean(bool),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     Function,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 100 |     Userdata,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 101 |     Thread,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 102 |     Table,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]    --> src/Lexer.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 106 |     kind: TokenType,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     lexeme: &'a str,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 108 |     literal: Literal<'a>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 109 |     line: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next` and `peek` are never used
[INFO] [stdout]    --> src/Lexer.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl<'a, 'b: 'a> Lexer<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_num` is never used
[INFO] [stdout]    --> src/Lexer.rs:575:4
[INFO] [stdout]     |
[INFO] [stdout] 575 | fn read_num(input: &str) -> Option<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ToolError` is never used
[INFO] [stdout]  --> src/tools.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ToolError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num` is never used
[INFO] [stdout]   --> src/tools.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_num(str: &String, index: &mut usize) -> Result<usize, ToolError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Error` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod Error;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lexer` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Lexer;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `lexer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         stdin.read_line(&mut code);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = stdin.read_line(&mut code);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/Lexer.rs:567:17
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/Lexer.rs:570:17
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "a2d6efe304b29e33983d7bdf4a7f5b93ece509dbc268979fd90794b908071e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d6efe304b29e33983d7bdf4a7f5b93ece509dbc268979fd90794b908071e6c", kill_on_drop: false }`
[INFO] [stdout] a2d6efe304b29e33983d7bdf4a7f5b93ece509dbc268979fd90794b908071e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d97ad8a6ef367d03492ff776247bd066c31df384c6c57e55f4b2dfd0a0b8cc
[INFO] running `Command { std: "docker" "start" "-a" "82d97ad8a6ef367d03492ff776247bd066c31df384c6c57e55f4b2dfd0a0b8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tools::get_num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tools::get_num;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/Lexer.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut tokens = Vec::<Token<'a>>::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(code: &str) {
[INFO] [stdout]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn run_file(path: &String) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(code: &str) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/Lexer.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     PERCENT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     AND,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 69 |     BREAK,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 70 |     DO,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 71 |     ELSE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 72 |     ELSEIF,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 73 |     END,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     FALSE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 75 |     FOR,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 76 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 77 |     IF,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 78 |     IN,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 79 |     LOCAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 80 |     NIL,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 81 |     NOT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 82 |     OR,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 83 |     REPEAT,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     RETURN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 85 |     THEN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 86 |     TRUE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     UNTIL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 88 |     WHILE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     GOTO,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/Lexer.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 97 -     Number(f64),
[INFO] [stdout] 97 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/Lexer.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Str(&'a str),
[INFO] [stdout]    |     --- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 98 -     Str(&'a str),
[INFO] [stdout] 98 +     Str(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Boolean`, `Function`, `Userdata`, `Thread`, and `Table` are never constructed
[INFO] [stdout]    --> src/Lexer.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub enum Literal<'a> {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout]  95 |     Nil,
[INFO] [stdout]  96 |     Boolean(bool),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     Function,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 100 |     Userdata,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 101 |     Thread,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 102 |     Table,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]    --> src/Lexer.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 106 |     kind: TokenType,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     lexeme: &'a str,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 108 |     literal: Literal<'a>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 109 |     line: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next` and `peek` are never used
[INFO] [stdout]    --> src/Lexer.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl<'a, 'b: 'a> Lexer<'a> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_num` is never used
[INFO] [stdout]    --> src/Lexer.rs:575:4
[INFO] [stdout]     |
[INFO] [stdout] 575 | fn read_num(input: &str) -> Option<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ToolError` is never used
[INFO] [stdout]  --> src/tools.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ToolError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num` is never used
[INFO] [stdout]   --> src/tools.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_num(str: &String, index: &mut usize) -> Result<usize, ToolError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Error` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod Error;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lexer` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Lexer;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `lexer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         stdin.read_line(&mut code);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = stdin.read_line(&mut code);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/Lexer.rs:567:17
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn next(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/Lexer.rs:570:17
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     pub fn peek(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "82d97ad8a6ef367d03492ff776247bd066c31df384c6c57e55f4b2dfd0a0b8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d97ad8a6ef367d03492ff776247bd066c31df384c6c57e55f4b2dfd0a0b8cc", kill_on_drop: false }`
[INFO] [stdout] 82d97ad8a6ef367d03492ff776247bd066c31df384c6c57e55f4b2dfd0a0b8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7038014966b45b905b24d4ba27c41ae550726c50296d88a178fc2e4419ac927c
[INFO] running `Command { std: "docker" "start" "-a" "7038014966b45b905b24d4ba27c41ae550726c50296d88a178fc2e4419ac927c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tools::get_num`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tools::get_num;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/Lexer.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let mut tokens = Vec::<Token<'a>>::new();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/main.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run(code: &str) {
[INFO] [stderr]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_file` is never used
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn run_file(path: &String) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> src/main.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn run(code: &str) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/Lexer.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum TokenType {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 46 |     PERCENT,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     AND,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 69 |     BREAK,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 70 |     DO,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 71 |     ELSE,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 72 |     ELSEIF,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 73 |     END,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 74 |     FALSE,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 75 |     FOR,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 76 |     FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 77 |     IF,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 78 |     IN,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 79 |     LOCAL,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 80 |     NIL,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 81 |     NOT,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 82 |     OR,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 83 |     REPEAT,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 84 |     RETURN,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 85 |     THEN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 86 |     TRUE,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 87 |     UNTIL,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 88 |     WHILE,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 89 |     GOTO,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/Lexer.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Number(f64),
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 97 -     Number(f64),
[INFO] [stderr] 97 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/Lexer.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Str(&'a str),
[INFO] [stderr]    |     --- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 98 -     Str(&'a str),
[INFO] [stderr] 98 +     Str(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Boolean`, `Function`, `Userdata`, `Thread`, and `Table` are never constructed
[INFO] [stderr]    --> src/Lexer.rs:96:5
[INFO] [stderr]     |
[INFO] [stderr]  94 | pub enum Literal<'a> {
[INFO] [stderr]     |          ------- variants in this enum
[INFO] [stderr]  95 |     Nil,
[INFO] [stderr]  96 |     Boolean(bool),
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  99 |     Function,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 100 |     Userdata,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 101 |     Thread,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 102 |     Table,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Literal` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `kind`, `lexeme`, `literal`, and `line` are never read
[INFO] [stderr]    --> src/Lexer.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub struct Token<'a> {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 106 |     kind: TokenType,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 107 |     lexeme: &'a str,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 108 |     literal: Literal<'a>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 109 |     line: usize,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `next` and `peek` are never used
[INFO] [stderr]    --> src/Lexer.rs:567:12
[INFO] [stderr]     |
[INFO] [stderr] 120 | impl<'a, 'b: 'a> Lexer<'a> {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_num` is never used
[INFO] [stderr]    --> src/Lexer.rs:575:4
[INFO] [stderr]     |
[INFO] [stderr] 575 | fn read_num(input: &str) -> Option<(usize, usize)> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ToolError` is never used
[INFO] [stderr]  --> src/tools.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum ToolError {
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_num` is never used
[INFO] [stderr]   --> src/tools.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn get_num(str: &String, index: &mut usize) -> Result<usize, ToolError> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Error` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | mod Error;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Lexer` should have a snake case name
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | mod Lexer;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `lexer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         stdin.read_line(&mut code);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let _ = stdin.read_line(&mut code);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/Lexer.rs:567:17
[INFO] [stderr]     |
[INFO] [stderr] 567 |     pub fn next(&mut self) -> Token {
[INFO] [stderr]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 567 |     pub fn next(&mut self) -> Token<'_> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/Lexer.rs:570:17
[INFO] [stderr]     |
[INFO] [stderr] 570 |     pub fn peek(&mut self) -> Token {
[INFO] [stderr]     |                 ^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 570 |     pub fn peek(&mut self) -> Token<'_> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tng` (bin "tng" test) generated 19 warnings (run `cargo fix --bin "tng" -p tng --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tng-35a9ad507f165017)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7038014966b45b905b24d4ba27c41ae550726c50296d88a178fc2e4419ac927c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7038014966b45b905b24d4ba27c41ae550726c50296d88a178fc2e4419ac927c", kill_on_drop: false }`
[INFO] [stdout] 7038014966b45b905b24d4ba27c41ae550726c50296d88a178fc2e4419ac927c
