these 2 derivations will be built:
  /nix/store/bw7ass6c4lpci67z2j5nbk57jqpbg3rr-flake-inputs.drv
  /nix/store/nsqckbvab7dcmj57y117l923mpf56hki-check-flake-inputs.drv
building '/nix/store/bw7ass6c4lpci67z2j5nbk57jqpbg3rr-flake-inputs.drv'
building '/nix/store/nsqckbvab7dcmj57y117l923mpf56hki-check-flake-inputs.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok