these 3 derivations will be built:
  /nix/store/ssms6mcg4gylibchb7bsf86i03lf5ygw-treefmt.toml.drv
  /nix/store/hk22gnljwg71pbxclrl6pn9b31mqg23w-examples.drv
  /nix/store/s0cn8l7afxq5gqxdk12fzr1n9j6nc2xq-test-examples.drv
building '/nix/store/ssms6mcg4gylibchb7bsf86i03lf5ygw-treefmt.toml.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/ssms6mcg4gylibchb7bsf86i03lf5ygw-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/hk22gnljwg71pbxclrl6pn9b31mqg23w-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/hk22gnljwg71pbxclrl6pn9b31mqg23w-examples.drv'
building '/nix/store/s0cn8l7afxq5gqxdk12fzr1n9j6nc2xq-test-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/s0cn8l7afxq5gqxdk12fzr1n9j6nc2xq-test-examples.drv'

upload niks3: ok