these 2 derivations will be built:
  /nix/store/yhzsnsdzh86634ygmzpkn1d141mix2xl-flake-inputs.drv
  /nix/store/9dy3ai3m1f58mqyc565if2k9qs540wz9-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy