these 2 derivations will be built:
  /nix/store/ynlq7kx54kc07087248f9q1lbfv7zs35-flake-inputs.drv
  /nix/store/0h0ylnlg224y23cimmmfhhy1p6yf2ppb-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy