mutants: More skips/excludes

.cargo/mutants.toml

@@ -2,10 +2,13 @@
 
 exclude_globs = [
     "tests.rs",
-    "all-is-cubes/src/content/**",# TODO: maybe un-exclude content once we are out of more important things (it's hard to test thoroughly)
+    "all-is-cubes/src/content/**", # TODO: maybe un-exclude content once we are out of more important things (it's hard to test thoroughly)
+    "all-is-cubes/src/raytracer/renderer.rs", # test coverage for this is in the separate test-renderers package
 ]
 exclude_re = [
-    "::fmt ->", # easy to break, hard to test completely
+    "::fmt\\b", # easy to break, hard to test completely
+    "::wireframe_points", # debug visualization, largely not tested
+    "::consistency_check\\b", # is a form of test-assertion itself
     "<impl Error for ", # easy to break, hard to test completely
     "<impl Arbitrary for ", # near-impossible to test
     "<impl Listener for .*>::alive", # mutating this to true can only cause leaks

all-is-cubes/src/drawing.rs

@@ -495,13 +495,15 @@ impl<'a> VoxelColor<'a> for &'a VoxelBrush<'a> {
 impl<'a> From<&'a VoxelBrush<'a>> for SpaceTransaction {
     /// Converts the brush into an equivalent transaction, as by
     /// [`VoxelBrush::paint_transaction`] at the origin.
+    #[mutants::skip]
     fn from(brush: &'a VoxelBrush<'a>) -> Self {
         brush.paint_transaction(Cube::ORIGIN)
     }
 }
 impl<'a> From<VoxelBrush<'a>> for SpaceTransaction {
     /// Converts the brush into an equivalent transaction, as by
     /// [`VoxelBrush::paint_transaction`] at the origin.
+    #[mutants::skip]
     fn from(brush: VoxelBrush<'a>) -> Self {
         SpaceTransaction::from(&brush)
     }