these 3 derivations will be built:
  /nix/store/dnbqjjac15r86l45xy5b5j0d2vg7i1xv-treefmt.toml.drv
  /nix/store/pprl9nfh9il74ik9linmp3l8b4sa33q4-treefmt.drv
  /nix/store/1i94q1kylqcz3m72bihpx5psphkjac3n-treefmt-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy