[INFO] fetching crate csc 0.1.9...
[INFO] checking csc-0.1.9 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate csc 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate csc 0.1.9
[INFO] finished tweaking crates.io crate csc 0.1.9
[INFO] tweaked toml for crates.io crate csc 0.1.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate csc 0.1.9 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate csc 0.1.9 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v14.0.0
[INFO] [stderr]   Downloaded chainchomp v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e853ad60516b4732eac15a5cbaba9ec343b99dca8895c904799a64acb9f0bd20
[INFO] running `Command { std: "docker" "start" "-a" "e853ad60516b4732eac15a5cbaba9ec343b99dca8895c904799a64acb9f0bd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e853ad60516b4732eac15a5cbaba9ec343b99dca8895c904799a64acb9f0bd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e853ad60516b4732eac15a5cbaba9ec343b99dca8895c904799a64acb9f0bd20", kill_on_drop: false }`
[INFO] [stdout] e853ad60516b4732eac15a5cbaba9ec343b99dca8895c904799a64acb9f0bd20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa59379a1ec1bab709b183d2de6f5c9b3a075202f38742eaa7ce92e83594817c
[INFO] running `Command { std: "docker" "start" "-a" "aa59379a1ec1bab709b183d2de6f5c9b3a075202f38742eaa7ce92e83594817c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking chainchomp v0.2.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
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[INFO] [stderr]     Checking radix_trie v0.2.1
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[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking csc v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/eval.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LexError(LexError),
[INFO] [stdout]   |     -------- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 8 -     LexError(LexError),
[INFO] [stdout] 8 +     LexError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/eval.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ParseError(ParseError),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 9 -     ParseError(ParseError),
[INFO] [stdout] 9 +     ParseError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     VarNotFound(&'text str),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 10 -     VarNotFound(&'text str),
[INFO] [stdout] 10 +     VarNotFound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidFnCall(String),
[INFO] [stdout]    |     ------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 11 -     InvalidFnCall(String),
[INFO] [stdout] 11 +     InvalidFnCall(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     CannotChangeConstant(&'text str),
[INFO] [stdout]    |     -------------------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 12 -     CannotChangeConstant(&'text str),
[INFO] [stdout] 12 +     CannotChangeConstant(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/lex.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     InvalidToken { pos: usize },
[INFO] [stdout]    |     ------------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/parse.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SyntaxError(usize, &'static str),
[INFO] [stdout]   |     ----------- ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 -     SyntaxError(usize, &'static str),
[INFO] [stdout] 9 +     SyntaxError((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/parse.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Expected(Token<'static>, usize),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Expected(Token<'static>, usize),
[INFO] [stdout] 10 +     Expected((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IncompleteParse(usize),
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is 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] 11 -     IncompleteParse(usize),
[INFO] [stdout] 11 +     IncompleteParse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn lex(text: &str) -> Result<Vec<Token>, LexError> {
[INFO] [stdout]    |                  ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn lex(text: &str) -> Result<Vec<Token<'_>>, LexError> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn lex_token(text: &str, pos: usize) -> Result<(Token, usize), LexError> {
[INFO] [stdout]    |                    ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn lex_token(text: &str, pos: usize) -> Result<(Token<'_>, usize), LexError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn lex_ident(text: &str, pos: usize) -> Option<(Token, usize)> {
[INFO] [stdout]    |                    ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn lex_ident(text: &str, pos: usize) -> Option<(Token<'_>, usize)> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lex.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn lex_decimal(text: &str, pos: usize) -> Option<(Token, usize)> {
[INFO] [stdout]     |                      ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn lex_decimal(text: &str, pos: usize) -> Option<(Token<'_>, usize)> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/eval.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LexError(LexError),
[INFO] [stdout]   |     -------- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 8 -     LexError(LexError),
[INFO] [stdout] 8 +     LexError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/eval.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ParseError(ParseError),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 9 -     ParseError(ParseError),
[INFO] [stdout] 9 +     ParseError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     VarNotFound(&'text str),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 10 -     VarNotFound(&'text str),
[INFO] [stdout] 10 +     VarNotFound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidFnCall(String),
[INFO] [stdout]    |     ------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 11 -     InvalidFnCall(String),
[INFO] [stdout] 11 +     InvalidFnCall(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/eval.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     CannotChangeConstant(&'text str),
[INFO] [stdout]    |     -------------------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is 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] 12 -     CannotChangeConstant(&'text str),
[INFO] [stdout] 12 +     CannotChangeConstant(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/parse.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SyntaxError(usize, &'static str),
[INFO] [stdout]   |     ----------- ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 -     SyntaxError(usize, &'static str),
[INFO] [stdout] 9 +     SyntaxError((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/parse.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Expected(Token<'static>, usize),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Expected(Token<'static>, usize),
[INFO] [stdout] 10 +     Expected((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IncompleteParse(usize),
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is 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] 11 -     IncompleteParse(usize),
[INFO] [stdout] 11 +     IncompleteParse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn lex(text: &str) -> Result<Vec<Token>, LexError> {
[INFO] [stdout]    |                  ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn lex(text: &str) -> Result<Vec<Token<'_>>, LexError> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn lex_token(text: &str, pos: usize) -> Result<(Token, usize), LexError> {
[INFO] [stdout]    |                    ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn lex_token(text: &str, pos: usize) -> Result<(Token<'_>, usize), LexError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lex.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn lex_ident(text: &str, pos: usize) -> Option<(Token, usize)> {
[INFO] [stdout]    |                    ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn lex_ident(text: &str, pos: usize) -> Option<(Token<'_>, usize)> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lex.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn lex_decimal(text: &str, pos: usize) -> Option<(Token, usize)> {
[INFO] [stdout]     |                      ^^^^                         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn lex_decimal(text: &str, pos: usize) -> Option<(Token<'_>, usize)> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "aa59379a1ec1bab709b183d2de6f5c9b3a075202f38742eaa7ce92e83594817c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa59379a1ec1bab709b183d2de6f5c9b3a075202f38742eaa7ce92e83594817c", kill_on_drop: false }`
[INFO] [stdout] aa59379a1ec1bab709b183d2de6f5c9b3a075202f38742eaa7ce92e83594817c
