these 2 derivations will be built:
  /nix/store/38nzlb13c0n07i1rcicc1sf0q1zhij5s-flake-inputs.drv
  /nix/store/9vxlzyv1jp917arsq7xx2y1fa7ji0c80-check-flake-inputs.drv
building '/nix/store/38nzlb13c0n07i1rcicc1sf0q1zhij5s-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/38nzlb13c0n07i1rcicc1sf0q1zhij5s-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building 38nzlb13c0n07i1rcicc1sf0q1zhij5s-flake-inputs.drv
building '/nix/store/9vxlzyv1jp917arsq7xx2y1fa7ji0c80-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9vxlzyv1jp917arsq7xx2y1fa7ji0c80-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 9vxlzyv1jp917arsq7xx2y1fa7ji0c80-check-flake-inputs.drv