these 2 derivations will be built:
  /nix/store/4ahswjynn5asy9afhdax31m1is1qqk9h-flake-inputs.drv
  /nix/store/l02cxyifpcsaq81d9k4kk4p81ga1mlxf-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy