message: Add more profile override validation tests.
diff: @@ -551,3 +551,55 @@ Caused by:
  ),
  );
  }
  +
  +#[test]
  +fn profile_override_bad_settings() {
  + let bad_values = [
  + (
  + "panic = \"abort\"",
  + "`panic` may not be specified in a profile override.",
  + ),
  + (
  + "lto = true",
  + "`lto` may not be specified in a profile override.",
  + ),
  + (
  + "rpath = true",
  + "`rpath` may not be specified in a profile override.",
  + ),
  + ("overrides = {}", "Profile overrides cannot be nested."),
  + ];
  + for &(ref snippet, ref expected) in bad_values.iter() {
  + let p = project("foo")
  + .file(
  + "Cargo.toml",
  + &format!(
  + r#"
  + cargo-features = ["profile-overrides"]
  +
  + [package]
  + name = "foo"
  + version = "0.0.1"
  +
  + [dependencies]
  + bar = {{path = "bar"}}
  +
  + [profile.dev.overrides.bar]
  + {}
  + "#,
  + snippet
  + ),
  + )
  + .file("src/lib.rs", "")
  + .file("bar/Cargo.toml", &basic_lib_manifest("bar"))
  + .file("bar/src/lib.rs", "")
  + .build();
  +
  + assert_that(
  + p.cargo("build").masquerade_as_nightly_cargo(),
  + execs()
  + .with_status(101)
  + .with_stderr_contains(format!("Caused by:\n {}", expected)),
  + );
  + }
  +}
  