these 2 derivations will be built:
  /nix/store/rbkr8jpzn1c6jfyqfjaldq6hd0nlr23j-flake-inputs.drv
  /nix/store/y1z078rxg413jqdhbid6b0iixnspnkk4-check-flake-inputs.drv
building '/nix/store/rbkr8jpzn1c6jfyqfjaldq6hd0nlr23j-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/rbkr8jpzn1c6jfyqfjaldq6hd0nlr23j-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building rbkr8jpzn1c6jfyqfjaldq6hd0nlr23j-flake-inputs.drv
building '/nix/store/y1z078rxg413jqdhbid6b0iixnspnkk4-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/y1z078rxg413jqdhbid6b0iixnspnkk4-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building y1z078rxg413jqdhbid6b0iixnspnkk4-check-flake-inputs.drv