this derivation will be built:
  /nix/store/fnnqvqg7db8d2pswrx3py4m09x2l8hba-interpolate-conformance.drv
building '/nix/store/fnnqvqg7db8d2pswrx3py4m09x2l8hba-interpolate-conformance.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/fnnqvqg7db8d2pswrx3py4m09x2l8hba-interpolate-conformance.drv' on farm.numtide.com:50051
interpolate-conformance> elastic-arm-9c728b7d: building fnnqvqg7db8d2pswrx3py4m09x2l8hba-interpolate-conformance.drv
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok