this derivation will be built:
  /nix/store/kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.drv
building '/nix/store/kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.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'
kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.drv: elastic-arm-6cbc966c: not scheduled here: kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.drv, asking the scheduler again
building '/nix/store/kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.drv' on farm.numtide.com:50051
nix-shell> elastic-arm-27a8ae70: building kf7mwyviv1ggmvpvczh4xhrcqzpxign7-nix-shell.drv
nix-shell> Running phase: buildPhase

upload niks3: ok