these 2 derivations will be built:
  /nix/store/89mfn9dz7g0q461vbsq0x2nhfrrr9cig-flake-inputs.drv
  /nix/store/hg99gmn6czn3rr0g5lld9la2ls1rqkaf-check-flake-inputs.drv
building '/nix/store/89mfn9dz7g0q461vbsq0x2nhfrrr9cig-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/89mfn9dz7g0q461vbsq0x2nhfrrr9cig-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 89mfn9dz7g0q461vbsq0x2nhfrrr9cig-flake-inputs.drv
building '/nix/store/hg99gmn6czn3rr0g5lld9la2ls1rqkaf-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/hg99gmn6czn3rr0g5lld9la2ls1rqkaf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building hg99gmn6czn3rr0g5lld9la2ls1rqkaf-check-flake-inputs.drv