[INFO] cloning repository https://github.com/qferbs/brain-lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qferbs/brain-lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0cd07268e323299096a5b77a15653348836342
[INFO] checking qferbs/brain-lambda against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda" "/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/qferbs/brain-lambda
[INFO] finished tweaking git repo https://github.com/qferbs/brain-lambda
[INFO] tweaked toml for git repo https://github.com/qferbs/brain-lambda written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qferbs/brain-lambda on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qferbs/brain-lambda 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad65fddcc714dc4eb370467dec7013edcd89faa3c51f4136712852d0e2e2ebb
[INFO] running `Command { std: "docker" "start" "-a" "fad65fddcc714dc4eb370467dec7013edcd89faa3c51f4136712852d0e2e2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad65fddcc714dc4eb370467dec7013edcd89faa3c51f4136712852d0e2e2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad65fddcc714dc4eb370467dec7013edcd89faa3c51f4136712852d0e2e2ebb", kill_on_drop: false }`
[INFO] [stdout] fad65fddcc714dc4eb370467dec7013edcd89faa3c51f4136712852d0e2e2ebb
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1858ef47210e8bcf8b6e7a55ff35d73d6fe501b4bf6614def4fa038599784e14
[INFO] running `Command { std: "docker" "start" "-a" "1858ef47210e8bcf8b6e7a55ff35d73d6fe501b4bf6614def4fa038599784e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/compile.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Register` is never constructed
[INFO] [stdout]  --> src/brainfuck_ops.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Register(i32);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_bf` and `zero` are never used
[INFO] [stdout]   --> src/brainfuck_ops.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Register {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     /// Returns a BF string of commands to switch to this register.
[INFO] [stdout]  9 |     pub fn to_bf(&self, cur_reg: &mut Register) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn zero(&self, cur_reg: &mut Register) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_equals` is never used
[INFO] [stdout]   --> src/brainfuck_ops.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn bf_equals(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_not_equals` is never used
[INFO] [stdout]   --> src/brainfuck_ops.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn bf_not_equals(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_equality` is never used
[INFO] [stdout]   --> src/brainfuck_ops.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn bf_equality(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_equals_const` is never used
[INFO] [stdout]    --> src/brainfuck_ops.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn bf_equals_const(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_not_equals_const` is never used
[INFO] [stdout]    --> src/brainfuck_ops.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn bf_not_equals_const(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_equality_const` is never used
[INFO] [stdout]    --> src/brainfuck_ops.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn bf_equality_const(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bf_expand_const` is never used
[INFO] [stdout]    --> src/brainfuck_ops.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn bf_expand_const(c: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]  --> src/compile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TokenError(pub String);
[INFO] [stdout]   |            ---------- ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `TokenError` 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 `0` is never read
[INFO] [stdout]   --> src/errors.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ParsingError(pub String);
[INFO] [stdout]    |            ------------ ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParsingError` 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: struct `CompilationError` is never constructed
[INFO] [stdout]   --> src/errors.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct CompilationError(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_PATH` is never used
[INFO] [stdout]  --> src/utils/compile_debug.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FILE_PATH: &str = "./brainfuck-compiler/bf-gen-exp.b";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BRAINFUCK_CHARS` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BRAINFUCK_CHARS: [char; 9] = ['>', '<', '+', '-', '[', ']', '.', ',', '!'];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPECIAL_CHARS` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SPECIAL_CHARS: [char; 10] = ['>', '<', '+', '-', '[', ']', '.', ',', '!', 'r'];
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_and_run_augmented_brainfuck` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compile_and_run_augmented_brainfuck(program: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_str_track` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn push_str_track(string: &mut String, cur_reg: &mut i32, new_str: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_debug_annotation` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_debug_annotation(lit: &str, cur_reg: &mut i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsing.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_token(string: &str) -> Result<Token, TokenError> {
[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] 48 |     fn get_token(string: &str) -> Result<Token<'_>, TokenError> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsing.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn lex(string: &str) -> Result<Vec<Token>, TokenError> {
[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] 70 | pub fn lex(string: &str) -> Result<Vec<Token<'_>>, TokenError> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/compile.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]  --> src/compile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TokenError(pub String);
[INFO] [stdout]   |            ---------- ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `TokenError` 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 `0` is never read
[INFO] [stdout]   --> src/errors.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ParsingError(pub String);
[INFO] [stdout]    |            ------------ ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParsingError` 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: struct `CompilationError` is never constructed
[INFO] [stdout]   --> src/errors.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct CompilationError(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE_PATH` is never used
[INFO] [stdout]  --> src/utils/compile_debug.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FILE_PATH: &str = "./brainfuck-compiler/bf-gen-exp.b";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BRAINFUCK_CHARS` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BRAINFUCK_CHARS: [char; 9] = ['>', '<', '+', '-', '[', ']', '.', ',', '!'];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPECIAL_CHARS` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SPECIAL_CHARS: [char; 10] = ['>', '<', '+', '-', '[', ']', '.', ',', '!', 'r'];
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_and_run_augmented_brainfuck` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compile_and_run_augmented_brainfuck(program: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_str_track` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn push_str_track(string: &mut String, cur_reg: &mut i32, new_str: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_debug_annotation` is never used
[INFO] [stdout]   --> src/utils/compile_debug.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_debug_annotation(lit: &str, cur_reg: &mut i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsing.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_token(string: &str) -> Result<Token, TokenError> {
[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] 48 |     fn get_token(string: &str) -> Result<Token<'_>, TokenError> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsing.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn lex(string: &str) -> Result<Vec<Token>, TokenError> {
[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] 70 | pub fn lex(string: &str) -> Result<Vec<Token<'_>>, TokenError> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "1858ef47210e8bcf8b6e7a55ff35d73d6fe501b4bf6614def4fa038599784e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1858ef47210e8bcf8b6e7a55ff35d73d6fe501b4bf6614def4fa038599784e14", kill_on_drop: false }`
[INFO] [stdout] 1858ef47210e8bcf8b6e7a55ff35d73d6fe501b4bf6614def4fa038599784e14
