these 2 derivations will be built:
  /nix/store/d85imdn9k62ndsjspgnwpqm3s5nidj73-flake-inputs.drv
  /nix/store/6s0qhb7qcmzb6rhvppwzx9gq9bp9nc3q-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy