message: Use `new_all_targets` in cargo-fix when no target selection exists
diff: use crate::command_prelude::*;
  -use cargo::ops::{self, CompileFilter, FilterRule, LibRule};
  +use cargo::ops;
  pub fn cli() -> App {
  subcommand("fix")
  @@ -76,15 +76,9 @@ pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
  let mut opts =
  args.compile_options(config, mode, Some(&ws), ProfileChecking::LegacyTestOnly)?;
  - if let CompileFilter::Default { .. } = opts.filter {
  - opts.filter = CompileFilter::Only {
  - all_targets: true,
  - lib: LibRule::Default,
  - bins: FilterRule::All,
  - examples: FilterRule::All,
  - benches: FilterRule::All,
  - tests: FilterRule::All,
  - }
  + if !opts.filter.is_specific() {
  + // cargo fix with no target selection implies `--all-targets`.
  + opts.filter = ops::CompileFilter::new_all_targets();
  }
  ops::fix(
  