these 2 derivations will be built:
  /nix/store/yy2i3divvd3ax6qwymiz0lvbkpc5vpfc-flake-inputs.drv
  /nix/store/23fv0x7whphj53n7pgjj6b3729darihx-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy