these 2 derivations will be built:
  /nix/store/rvd9p9074bwcb2fc0r4wn4fz95xx8hxl-flake-inputs.drv
  /nix/store/ykc6fv2wcirkhw8nsd5x4s53zjn3kprw-check-flake-inputs.drv
building '/nix/store/rvd9p9074bwcb2fc0r4wn4fz95xx8hxl-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/rvd9p9074bwcb2fc0r4wn4fz95xx8hxl-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building rvd9p9074bwcb2fc0r4wn4fz95xx8hxl-flake-inputs.drv
building '/nix/store/ykc6fv2wcirkhw8nsd5x4s53zjn3kprw-check-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/ykc6fv2wcirkhw8nsd5x4s53zjn3kprw-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ykc6fv2wcirkhw8nsd5x4s53zjn3kprw-check-flake-inputs.drv