these 2 derivations will be built:
  /nix/store/mm3vc7bddvqnnrrkvz8r97s9q126s41f-flake-inputs.drv
  /nix/store/k1914nmdbky9xvk0qpf6ghim20d1p50p-check-flake-inputs.drv
building '/nix/store/mm3vc7bddvqnnrrkvz8r97s9q126s41f-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/mm3vc7bddvqnnrrkvz8r97s9q126s41f-flake-inputs.drv'
building '/nix/store/k1914nmdbky9xvk0qpf6ghim20d1p50p-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/k1914nmdbky9xvk0qpf6ghim20d1p50p-check-flake-inputs.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok