[INFO] cloning repository https://github.com/pmalmgren/loxrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmalmgren/loxrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Floxrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Floxrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a76579794adac567662465f5487a4a10ee3dc26
[INFO] checking pmalmgren/loxrs against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Floxrs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pmalmgren/loxrs
[INFO] finished tweaking git repo https://github.com/pmalmgren/loxrs
[INFO] tweaked toml for git repo https://github.com/pmalmgren/loxrs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmalmgren/loxrs on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pmalmgren/loxrs 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72a343c0f744a1bdef9557aa4baaf52a38ee315ca87b737141d15a86765d6e81
[INFO] running `Command { std: "docker" "start" "-a" "72a343c0f744a1bdef9557aa4baaf52a38ee315ca87b737141d15a86765d6e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a343c0f744a1bdef9557aa4baaf52a38ee315ca87b737141d15a86765d6e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a343c0f744a1bdef9557aa4baaf52a38ee315ca87b737141d15a86765d6e81", kill_on_drop: false }`
[INFO] [stdout] 72a343c0f744a1bdef9557aa4baaf52a38ee315ca87b737141d15a86765d6e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d3550aca015caaef31a9306b7a4dc436d8efbb212a9a5d7b46e836cc8884a1
[INFO] running `Command { std: "docker" "start" "-a" "c9d3550aca015caaef31a9306b7a4dc436d8efbb212a9a5d7b46e836cc8884a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking loxrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parse.rs:342:45
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 AdvanceResult::Unterminated(s) => {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parse.rs:342:45
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 AdvanceResult::Unterminated(s) => {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SyntaxError` is never constructed
[INFO] [stdout]   --> src/error.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SyntaxError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fun`, `CommentLine`, and `Eof` are never constructed
[INFO] [stdout]   --> src/parse.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     CommentLine,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 49 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: field `line` is never read
[INFO] [stdout]   --> src/parse.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileReadError` is never constructed
[INFO] [stdout]  --> src/error.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FileReadError {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from` is never used
[INFO] [stdout]   --> src/error.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl FileReadError {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 25 |     pub fn new_from(err: Box<dyn error::Error>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Grouping` is never constructed
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Expression {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 8 |     Binary(Box<Expression>, parse::Token, Box<Expression>),
[INFO] [stdout] 9 |     Grouping(Box<Expression>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Expression` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SyntaxError` is never constructed
[INFO] [stdout]   --> src/error.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SyntaxError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fun`, `CommentLine`, and `Eof` are never constructed
[INFO] [stdout]   --> src/parse.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     CommentLine,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 49 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: multiple variants are never constructed
[INFO] [stdout]   --> src/parse.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 10 |     LeftParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     RightParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     LeftBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     RightBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Star,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     BangEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     EqualEqual,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 25 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 29 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     Class,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 36 |     Fun,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     For,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     Print,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Super,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 44 |     This,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 45 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     Var,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     While,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 48 |     CommentLine,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 49 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: variants `Str`, `Keyword`, and `Identifier` are never constructed
[INFO] [stdout]   --> src/parse.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum Literal {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 54 |     Number(i64),
[INFO] [stdout] 55 |     Str(String),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 56 |     Keyword(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 57 |     Symbol(String),
[INFO] [stdout] 58 |     Identifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `literal_from_s` is never used
[INFO] [stdout]   --> src/parse.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Token {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn literal_from_s(ctx: &Context, lexeme: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/parse.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]    --> src/parse.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct Context<'a> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileReadError` is never constructed
[INFO] [stdout]  --> src/error.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FileReadError {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_token` is never used
[INFO] [stdout]    --> src/parse.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn build_token(ctx: &mut Context, ttype: TokenType) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_next` is never used
[INFO] [stdout]    --> src/parse.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn match_next(ctx: &mut Context, query: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from` is never used
[INFO] [stdout]   --> src/error.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl FileReadError {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 25 |     pub fn new_from(err: Box<dyn error::Error>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_if_match` is never used
[INFO] [stdout]    --> src/parse.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn build_if_match(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]  --> src/ast.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Expression {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AdvanceResult` is never used
[INFO] [stdout]    --> src/parse.rs:173:6
[INFO] [stdout]     |
[INFO] [stdout] 173 | enum AdvanceResult {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]   --> src/ast.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct AstPrinter {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance_while` is never used
[INFO] [stdout]    --> src/parse.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn advance_while(ctx: &mut Context, cond: fn(char) -> bool) -> AdvanceResult {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance_until` is never used
[INFO] [stdout]    --> src/parse.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn advance_until(ctx: &mut Context, until: char) -> AdvanceResult {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse` is never used
[INFO] [stdout]   --> src/ast.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl AstPrinter {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 19 |     fn traverse(&self, expr: &Box<Expression>) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ScanResult` is never used
[INFO] [stdout]    --> src/parse.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 | enum ScanResult {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenType` is never used
[INFO] [stdout]  --> src/parse.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum TokenType {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_token` is never used
[INFO] [stdout]    --> src/parse.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn scan_token(ctx: &mut Context) -> ScanResult {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]   --> src/parse.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum Literal {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan` is never used
[INFO] [stdout]    --> src/parse.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub fn scan(source: String) -> (Box<Vec<Token>>, Box<Vec<SyntaxError>>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/parse.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `literal_from_s` are never used
[INFO] [stdout]   --> src/parse.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Token {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 82 |     pub fn new(ttype: TokenType, lexeme: String, literal: Literal, line: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn literal_from_s(ctx: &Context, lexeme: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]    --> src/parse.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct Context<'a> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_token` is never used
[INFO] [stdout]    --> src/parse.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn build_token(ctx: &mut Context, ttype: TokenType) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_next` is never used
[INFO] [stdout]    --> src/parse.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn match_next(ctx: &mut Context, query: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_if_match` is never used
[INFO] [stdout]    --> src/parse.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn build_if_match(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AdvanceResult` is never used
[INFO] [stdout]    --> src/parse.rs:173:6
[INFO] [stdout]     |
[INFO] [stdout] 173 | enum AdvanceResult {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance_while` is never used
[INFO] [stdout]    --> src/parse.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn advance_while(ctx: &mut Context, cond: fn(char) -> bool) -> AdvanceResult {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `advance_until` is never used
[INFO] [stdout]    --> src/parse.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn advance_until(ctx: &mut Context, until: char) -> AdvanceResult {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ScanResult` is never used
[INFO] [stdout]    --> src/parse.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 | enum ScanResult {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_token` is never used
[INFO] [stdout]    --> src/parse.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn scan_token(ctx: &mut Context) -> ScanResult {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan` is never used
[INFO] [stdout]    --> src/parse.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub fn scan(source: String) -> (Box<Vec<Token>>, Box<Vec<SyntaxError>>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "c9d3550aca015caaef31a9306b7a4dc436d8efbb212a9a5d7b46e836cc8884a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d3550aca015caaef31a9306b7a4dc436d8efbb212a9a5d7b46e836cc8884a1", kill_on_drop: false }`
[INFO] [stdout] c9d3550aca015caaef31a9306b7a4dc436d8efbb212a9a5d7b46e836cc8884a1
