message: Use implicit captured format args
diff: @@ -1182,7 +1182,7 @@ impl Config {
  // parse the value as a toml_edit::Document, and check that the (single)
  // inner-most table is set via dotted keys.
  let doc: toml_edit::Document = arg.parse().with_context(|| {
  - format!("failed to parse value from --config argument `{}` as a dotted key expression", arg)
  + format!("failed to parse value from --config argument `{arg}` as a dotted key expression")
  })?;
  fn non_empty_decor(d: &toml_edit::Decor) -> bool {
  d.prefix().map_or(false, |p| !p.trim().is_empty())
  @@ -1204,26 +1204,23 @@ impl Config {
  || non_empty_decor(nt.decor())
  {
  bail!(
  - "--config argument `{}` \
  - includes non-whitespace decoration",
  - arg
  + "--config argument `{arg}` \
  + includes non-whitespace decoration"
  )
  }
  table = nt;
  }
  Item::Value(v) if v.is_inline_table() => {
  bail!(
  - "--config argument `{}` \
  - sets a value to an inline table, which is not accepted",
  - arg,
  + "--config argument `{arg}` \
  + sets a value to an inline table, which is not accepted"
  );
  }
  Item::Value(v) => {
  if non_empty_decor(v.decor()) {
  bail!(
  - "--config argument `{}` \
  - includes non-whitespace decoration",
  - arg
  + "--config argument `{arg}` \
  + includes non-whitespace decoration"
  )
  }
  got_to_value = true;
  @@ -1231,14 +1228,13 @@ impl Config {
  }
  Item::ArrayOfTables(_) => {
  bail!(
  - "--config argument `{}` \
  - sets a value to an array of tables, which is not accepted",
  - arg,
  + "--config argument `{arg}` \
  + sets a value to an array of tables, which is not accepted"
  );
  }
  Item::None => {
  - bail!("--config argument `{}` doesn't provide a value", arg)
  + bail!("--config argument `{arg}` doesn't provide a value")
  }
  }
  }
  @@ -1246,17 +1242,16 @@ impl Config {
  };
  if !ok {
  bail!(
  - "--config argument `{}` was not a TOML dotted key expression (such as `build.jobs = 2`)",
  - arg
  + "--config argument `{arg}` was not a TOML dotted key expression (such as `build.jobs = 2`)"
  );
  }
  let toml_v = toml::from_document(doc).with_context(|| {
  - format!("failed to parse value from --config argument `{}`", arg)
  + format!("failed to parse value from --config argument `{arg}`")
  })?;
  CV::from_toml(Definition::Cli, toml_v)
  - .with_context(|| format!("failed to convert --config argument `{}`", arg))?
  + .with_context(|| format!("failed to convert --config argument `{arg}`"))?
  };
  let mut seen = HashSet::new();
  let tmp_table = self
  @@ -1264,7 +1259,7 @@ impl Config {
  .with_context(|| "failed to load --config include".to_string())?;
  loaded_args
  .merge(tmp_table, true)
  - .with_context(|| format!("failed to merge --config argument `{}`", arg))?;
  + .with_context(|| format!("failed to merge --config argument `{arg}`"))?;
  }
  Ok(loaded_args)
  }
  