this derivation will be built: /nix/store/3bck8m2bqqzg1i2mfs7pqi6vjv4wkld5-run-sigma-vm-on-aarch64-linux.drv building '/nix/store/3bck8m2bqqzg1i2mfs7pqi6vjv4wkld5-run-sigma-vm-on-aarch64-linux.drv' on 'ssh-ng://builder@build01.clan.lol' building '/nix/store/3bck8m2bqqzg1i2mfs7pqi6vjv4wkld5-run-sigma-vm-on-aarch64-linux.drv' upload niks3: ok