these 2 derivations will be built:
  /nix/store/d2xh8y8hh4sr5wv0j3ydpxinl84hx2r5-flake-inputs.drv
  /nix/store/1h3san3hmih41i1swxaag1422x4l9dp6-check-flake-inputs.drv
building '/nix/store/d2xh8y8hh4sr5wv0j3ydpxinl84hx2r5-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/d2xh8y8hh4sr5wv0j3ydpxinl84hx2r5-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building d2xh8y8hh4sr5wv0j3ydpxinl84hx2r5-flake-inputs.drv
building '/nix/store/1h3san3hmih41i1swxaag1422x4l9dp6-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/1h3san3hmih41i1swxaag1422x4l9dp6-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building 1h3san3hmih41i1swxaag1422x4l9dp6-check-flake-inputs.drv