this derivation will be built:
  /nix/store/kqdzwn1gc47k0pkvh6i04zqp7d3k3kw3-check-bun-bin.drv
building '/nix/store/kqdzwn1gc47k0pkvh6i04zqp7d3k3kw3-check-bun-bin.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux'
building '/nix/store/kqdzwn1gc47k0pkvh6i04zqp7d3k3kw3-check-bun-bin.drv' on farm.numtide.com:50051
check-bun-bin> bld3: building kqdzwn1gc47k0pkvh6i04zqp7d3k3kw3-check-bun-bin.drv

upload niks3: ok