these 2 derivations will be built:
  /nix/store/d8j3rc156xf7r87s924jwm0wy4yhfs26-flake-inputs.drv
  /nix/store/vqwbn3cb6wscg09fyy66c2gv16hs0nl8-check-flake-inputs.drv
building '/nix/store/d8j3rc156xf7r87s924jwm0wy4yhfs26-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/d8j3rc156xf7r87s924jwm0wy4yhfs26-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-a30baf54: building d8j3rc156xf7r87s924jwm0wy4yhfs26-flake-inputs.drv
building '/nix/store/vqwbn3cb6wscg09fyy66c2gv16hs0nl8-check-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/vqwbn3cb6wscg09fyy66c2gv16hs0nl8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-a30baf54: building vqwbn3cb6wscg09fyy66c2gv16hs0nl8-check-flake-inputs.drv