[omerta pants2 (pr5893)]$ ./pants test tests/python/pants_test/pantsd:: -- -k test_pantsd_environment_scrubbing -vvs
   Compiling fs v0.0.1 (file:///Users/kwilson/dev/pants2/src/rust/engine/fs)
error: paths in `use` groups are experimental (see issue #44494)
  --> fs/src/lib.rs:52:36
   |
52 | use indexmap::{IndexMap, IndexSet, map::Entry::Occupied};
   |                                    ^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

error: Could not compile `fs`.

To learn more, run the command again with --verbose.

Failed to build native engine.