this derivation will be built:
  /nix/store/6afj0cqvr1r6pnc9358ycmsqkmhhg2l4-check-forgecode.drv
building '/nix/store/6afj0cqvr1r6pnc9358ycmsqkmhhg2l4-check-forgecode.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=22&system=aarch64-linux'
building '/nix/store/6afj0cqvr1r6pnc9358ycmsqkmhhg2l4-check-forgecode.drv' on farm.numtide.com:50051
check-forgecode> bld4: building 6afj0cqvr1r6pnc9358ycmsqkmhhg2l4-check-forgecode.drv

upload niks3: ok