this derivation will be built:
  /nix/store/s9hk0fskph27hnwqvz2i31pds97sdaa5-treefmt-check.drv
building '/nix/store/s9hk0fskph27hnwqvz2i31pds97sdaa5-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/s9hk0fskph27hnwqvz2i31pds97sdaa5-treefmt-check.drv'
treefmt-check> traversed 519 files
treefmt-check> emitted 355 files for processing
treefmt-check> formatted 355 files (0 changed) in 1.739s
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok