[INFO] cloning repository https://github.com/heyitscarl-dev/layerkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyitscarl-dev/layerkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd4487bca6f771cfabf59459df8178853de70823
[INFO] testing heyitscarl-dev/layerkey against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/heyitscarl-dev/layerkey
[INFO] finished tweaking git repo https://github.com/heyitscarl-dev/layerkey
[INFO] tweaked toml for git repo https://github.com/heyitscarl-dev/layerkey written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/heyitscarl-dev/layerkey on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/heyitscarl-dev/layerkey 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db
[INFO] running `Command { std: "docker" "start" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling jiff v0.2.14
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling layerkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lexer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source`, `advance_by`, and `span_from` are never used
[INFO] [stdout]   --> src/common/text.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn source(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn advance_by(&mut self, by: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn span_from(self, start: Location) -> Span {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Info`, and `Warn` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     Info {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Warn {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Syntactical` and `Semantic` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FlagKind {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Lexical,
[INFO] [stdout] 23 |     Syntactical,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     Semantic
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn pop(chars: &Vec<char>, cursor: &mut Location) -> char {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     kind: TokenKind,
[INFO] [stdout] 5 |     span: Span,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Identifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     Integer(i32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     LBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     RBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     LBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     RBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Arrow,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `span` and `kind` are never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn span(&self) -> &Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn kind(&self) -> &TokenKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling layerkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lexer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source` and `span_from` are never used
[INFO] [stdout]   --> src/common/text.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn source(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn span_from(self, start: Location) -> Span {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Info`, and `Warn` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     Info {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Warn {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Syntactical` and `Semantic` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FlagKind {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Lexical,
[INFO] [stdout] 23 |     Syntactical,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     Semantic
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn pop(chars: &Vec<char>, cursor: &mut Location) -> char {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     kind: TokenKind,
[INFO] [stdout] 5 |     span: Span,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Identifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     Integer(i32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     LBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     RBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     LBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     RBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Arrow,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `span` and `kind` are never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn span(&self) -> &Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn kind(&self) -> &TokenKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lexer/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::warn`
[INFO] [stderr]  --> src/lexer/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::warn;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `source` and `span_from` are never used
[INFO] [stderr]   --> src/common/text.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Location {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn source(&self) -> String {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn span_from(self, start: Location) -> Span {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `None`, `Info`, and `Warn` are never constructed
[INFO] [stderr]   --> src/common/flag.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub enum Flag {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr]  6 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  7 |     Info {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     Warn {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Syntactical` and `Semantic` are never constructed
[INFO] [stderr]   --> src/common/flag.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub enum FlagKind {
[INFO] [stderr]    |          -------- variants in this enum
[INFO] [stderr] 22 |     Lexical,
[INFO] [stderr] 23 |     Syntactical,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 24 |     Semantic
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pop` is never used
[INFO] [stderr]   --> src/lexer/mod.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn pop(chars: &Vec<char>, cursor: &mut Location) -> char {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `span` is never read
[INFO] [stderr]  --> src/lexer/token.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Token {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] 4 |     kind: TokenKind,
[INFO] [stderr] 5 |     span: Span,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/lexer/token.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub enum TokenKind {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 16 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     String(String),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     Integer(i32),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 19 |     Float(f32),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 20 |     Boolean(bool),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     Bang,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 25 |     LBrace,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 26 |     RBrace,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 27 |     LBracket,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 28 |     RBracket,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 29 |     Arrow,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 30 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 31 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `span` and `kind` are never used
[INFO] [stderr]   --> src/lexer/token.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl Token {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn span(&self) -> &Span {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn kind(&self) -> &TokenKind {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `layerkey` (bin "layerkey" test) generated 9 warnings (run `cargo fix --bin "layerkey" -p layerkey --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/layerkey-84695ad6679e285a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test common::text::test::test_location_column ... ok
[INFO] [stdout] test common::text::test::test_location_index_arithmetic ... ok
[INFO] [stdout] test common::text::test::test_location_index_persistance ... ok
[INFO] [stdout] test common::text::test::test_location_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db", kill_on_drop: false }`
[INFO] [stdout] 38e5292ddc7d2a9af8a4f0565a8f286470efafc8952a4b5a0db733d2431dd2db
