these 6 derivations will be built:
  /nix/store/ssdhk03vrn5ry4av0fsjy7qb8l8z4jn5-tofu.drv
  /nix/store/k6my6cmb6r6nb4j5a6jczvg5qvrlgq2q-plan.drv
  /nix/store/n191cqqjajraq0zxxmbh9frw844mgl2k-destroy.drv
  /nix/store/vgdmm8ibac18wk5xnl1h99r2vl056l48-apply.drv
  /nix/store/xxn7an4iqnmlrqnyxjmy13vznc7lk28f-init.drv
  /nix/store/fijpin7yl6d4xh3r7d2p1s0w0nlniphi-nix-shell.drv
building '/nix/store/ssdhk03vrn5ry4av0fsjy7qb8l8z4jn5-tofu.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/ssdhk03vrn5ry4av0fsjy7qb8l8z4jn5-tofu.drv'
tofu> structuredAttrs is enabled
building '/nix/store/vgdmm8ibac18wk5xnl1h99r2vl056l48-apply.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/vgdmm8ibac18wk5xnl1h99r2vl056l48-apply.drv'
apply> structuredAttrs is enabled
building '/nix/store/n191cqqjajraq0zxxmbh9frw844mgl2k-destroy.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/n191cqqjajraq0zxxmbh9frw844mgl2k-destroy.drv'
destroy> structuredAttrs is enabled
building '/nix/store/xxn7an4iqnmlrqnyxjmy13vznc7lk28f-init.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/xxn7an4iqnmlrqnyxjmy13vznc7lk28f-init.drv'
init> structuredAttrs is enabled
building '/nix/store/k6my6cmb6r6nb4j5a6jczvg5qvrlgq2q-plan.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/k6my6cmb6r6nb4j5a6jczvg5qvrlgq2q-plan.drv'
plan> structuredAttrs is enabled
building '/nix/store/fijpin7yl6d4xh3r7d2p1s0w0nlniphi-nix-shell.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/fijpin7yl6d4xh3r7d2p1s0w0nlniphi-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok