these 2 derivations will be built:
  /nix/store/g93108dp5ic5iglsjpdzhw8p0pniafh7-flake-inputs.drv
  /nix/store/wa151168qa2hxrdhz6929i02bd0szbjb-check-flake-inputs.drv
building '/nix/store/g93108dp5ic5iglsjpdzhw8p0pniafh7-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/g93108dp5ic5iglsjpdzhw8p0pniafh7-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building g93108dp5ic5iglsjpdzhw8p0pniafh7-flake-inputs.drv
building '/nix/store/wa151168qa2hxrdhz6929i02bd0szbjb-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wa151168qa2hxrdhz6929i02bd0szbjb-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building wa151168qa2hxrdhz6929i02bd0szbjb-check-flake-inputs.drv