these 2 derivations will be built:
  /nix/store/kw52pg196q387d639v3ynmwvbvq36fyx-muse-code-1.4.6-R6000.1.drv
  /nix/store/q60h97g0spaivkv0am5flbgdkg322ii4-check-muse-code.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy