message: Fix change in install::install_ignores_cargo_config
diff: @@ -1259,6 +1259,6 @@ fn install_ignores_cargo_config() {
  .file("src/main.rs", "fn main() {}")
  .build();
  - cargo_process("install bar").with_status(0).run();
  + p.cargo("install bar").with_status(0).run();
  assert_has_installed_exe(cargo_home(), "bar");
  }
  