this derivation will be built:
  /nix/store/k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv
building '/nix/store/k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv: elastic-arm-9a50e053: not scheduled here: k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv, asking the scheduler again
building '/nix/store/k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv' on farm.numtide.com:50051
interpolate-conformance> elastic-arm-a30baf54: building k5myznmp8fahvp562cav2f9mv20x4687-interpolate-conformance.drv
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected