these 3 derivations will be built:
  /nix/store/gv9b0a7z4pb1bdfw4fbqbnjz4ka81zbm-treefmt.toml.drv
  /nix/store/vnwpzbysj6zfsy01m9c7c5hyq9hwz83w-examples.drv
  /nix/store/2j5sllm5xm7ggw88fqqi2rjpsx1hcdvn-test-examples.drv
this path will be fetched (323.1 KiB download, 805.6 KiB unpacked):
  /nix/store/d7yqcv87rqv9fk8gx28iczbanv4rg9qw-mandoc-1.14.6
building '/nix/store/gv9b0a7z4pb1bdfw4fbqbnjz4ka81zbm-treefmt.toml.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/gv9b0a7z4pb1bdfw4fbqbnjz4ka81zbm-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/vnwpzbysj6zfsy01m9c7c5hyq9hwz83w-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/vnwpzbysj6zfsy01m9c7c5hyq9hwz83w-examples.drv'
building '/nix/store/2j5sllm5xm7ggw88fqqi2rjpsx1hcdvn-test-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/2j5sllm5xm7ggw88fqqi2rjpsx1hcdvn-test-examples.drv'

upload niks3: ok