these 2 derivations will be built:
  /nix/store/v9270dmf216p7r29z84sv4ppipcma6ii-flake-inputs.drv
  /nix/store/k0zz7d285fqkb8kvc6hwnyk3da19v2q4-check-flake-inputs.drv
building '/nix/store/v9270dmf216p7r29z84sv4ppipcma6ii-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/v9270dmf216p7r29z84sv4ppipcma6ii-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building v9270dmf216p7r29z84sv4ppipcma6ii-flake-inputs.drv
building '/nix/store/k0zz7d285fqkb8kvc6hwnyk3da19v2q4-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/k0zz7d285fqkb8kvc6hwnyk3da19v2q4-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building k0zz7d285fqkb8kvc6hwnyk3da19v2q4-check-flake-inputs.drv