these 2 derivations will be built:
  /nix/store/rj74vgigf8pbwxca9q840j2wfc84kfik-flake-inputs.drv
  /nix/store/c1y1kasnybblcxh5kswf3xlilv0982m2-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy