[INFO] cloning repository https://github.com/jumpyapple/mist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumpyapple/mist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyapple%2Fmist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyapple%2Fmist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac2bd13960cac4c879fbf85a302f6b4f573ee07
[INFO] testing jumpyapple/mist against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyapple%2Fmist" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jumpyapple/mist
[INFO] finished tweaking git repo https://github.com/jumpyapple/mist
[INFO] tweaked toml for git repo https://github.com/jumpyapple/mist written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jumpyapple/mist on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jumpyapple/mist 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.15.1
[INFO] [stderr]   Downloaded logos-codegen v0.15.1
[INFO] [stderr]   Downloaded chumsky v0.10.1
[INFO] [stderr]   Downloaded logos v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a14f3c7dd3b4bba4cb7b1ad0754b79cf45bdceab70983ef40dc7aee21d09a81a
[INFO] running `Command { std: "docker" "start" "-a" "a14f3c7dd3b4bba4cb7b1ad0754b79cf45bdceab70983ef40dc7aee21d09a81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14f3c7dd3b4bba4cb7b1ad0754b79cf45bdceab70983ef40dc7aee21d09a81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14f3c7dd3b4bba4cb7b1ad0754b79cf45bdceab70983ef40dc7aee21d09a81a", kill_on_drop: false }`
[INFO] [stdout] a14f3c7dd3b4bba4cb7b1ad0754b79cf45bdceab70983ef40dc7aee21d09a81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60558edb85ded73388c1ed40e0ce92cfa23595c1a05ac771efdb1f448df4ac9
[INFO] running `Command { std: "docker" "start" "-a" "e60558edb85ded73388c1ed40e0ce92cfa23595c1a05ac771efdb1f448df4ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]    Compiling logos v0.15.1
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling mist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/parser.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chumsky::input::{Stream, ValueInput};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryOperator`
[INFO] [stdout]  --> src/statements.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokens::{BinaryOperator, Token};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/statements.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::statements::Optional::OptionalExpression`
[INFO] [stdout]  --> src/statements.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::statements::Optional::OptionalExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::IntoDeserializer`
[INFO] [stdout]  --> src/statements.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::IntoDeserializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]  --> src/statements.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Deserialize, Deserializer, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::expressions::Expression`
[INFO] [stdout]  --> src/tokens.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::expressions::Expression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::statements::Statement::Expr`
[INFO] [stdout]  --> src/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::statements::Statement::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/parser.rs:142:16
[INFO] [stdout]     |
[INFO] [stdout] 142 |     recursive(|expr| {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 |f, args, e| Expression::Call {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:184:68
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 .foldl_with(op.then(call).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:197:71
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 .foldl_with(op.then(product).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:214:67
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 .foldl_with(op.then(sum).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:225:71
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 .foldl_with(op.then(compare).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::TypedValueParser`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clap::builder::TypedValueParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render_mist_as_human_readable` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl MistContainer {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 22 |     fn render_mist_as_human_readable(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Span` is never used
[INFO] [stdout]  --> src/parser.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Span = SimpleSpan;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Spanned` is never used
[INFO] [stdout]   --> src/parser.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Spanned<T> = (T, Span);
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LogosToken` is never used
[INFO] [stdout]   --> src/parser.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum LogosToken<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bin_expr_parser` is never used
[INFO] [stdout]    --> src/parser.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn bin_expr_parser<'tokens, 'src: 'tokens, I>()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_stmt_parser` is never used
[INFO] [stdout]    --> src/parser.rs:263:4
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn var_stmt_parser<'tokens, 'src: 'tokens, I>()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Value` should have a snake case name
[INFO] [stdout]   --> src/tokens.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Token::Number { value: Value } => write!(f, "{}", Value),
[INFO] [stdout]    |                                    ^^^^^ help: convert the identifier to snake case (notice the capitalization): `value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 54s
[INFO] running `Command { std: "docker" "inspect" "e60558edb85ded73388c1ed40e0ce92cfa23595c1a05ac771efdb1f448df4ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60558edb85ded73388c1ed40e0ce92cfa23595c1a05ac771efdb1f448df4ac9", kill_on_drop: false }`
[INFO] [stdout] e60558edb85ded73388c1ed40e0ce92cfa23595c1a05ac771efdb1f448df4ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8c868bb3fdb2f0ac75d5cb6fb89fc84a5d64362b8f997c6b1cf8d703b576966
[INFO] running `Command { std: "docker" "start" "-a" "c8c868bb3fdb2f0ac75d5cb6fb89fc84a5d64362b8f997c6b1cf8d703b576966", kill_on_drop: false }`
[INFO] [stderr]    Compiling mist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/parser.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if (count > 10) {
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -         if (count > 10) {
[INFO] [stdout] 130 +         if count > 10 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/statements.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::IntoDeserializer`
[INFO] [stdout]  --> src/statements.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::IntoDeserializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]  --> src/statements.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Deserialize, Deserializer, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::statements::Statement::Expr`
[INFO] [stdout]  --> src/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::statements::Statement::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/parser.rs:142:16
[INFO] [stdout]     |
[INFO] [stdout] 142 |     recursive(|expr| {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 |f, args, e| Expression::Call {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:184:68
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 .foldl_with(op.then(call).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:197:71
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 .foldl_with(op.then(product).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:214:67
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 .foldl_with(op.then(sum).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/parser.rs:225:71
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 .foldl_with(op.then(compare).repeated(), |a, (op, b), e| {
[INFO] [stdout]     |                                                                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::TypedValueParser`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clap::builder::TypedValueParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render_mist_as_human_readable` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl MistContainer {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 22 |     fn render_mist_as_human_readable(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Span` is never used
[INFO] [stdout]  --> src/parser.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Span = SimpleSpan;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Spanned` is never used
[INFO] [stdout]   --> src/parser.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Spanned<T> = (T, Span);
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Value` should have a snake case name
[INFO] [stdout]   --> src/tokens.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Token::Number { value: Value } => write!(f, "{}", Value),
[INFO] [stdout]    |                                    ^^^^^ help: convert the identifier to snake case (notice the capitalization): `value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/tmp/rustcLogZZO"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mist` (bin "mist" test) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c8c868bb3fdb2f0ac75d5cb6fb89fc84a5d64362b8f997c6b1cf8d703b576966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c868bb3fdb2f0ac75d5cb6fb89fc84a5d64362b8f997c6b1cf8d703b576966", kill_on_drop: false }`
[INFO] [stdout] c8c868bb3fdb2f0ac75d5cb6fb89fc84a5d64362b8f997c6b1cf8d703b576966