these 2 derivations will be built:
  /nix/store/3g85xn85my0rd0sz6nf91v6jzmk8dmm5-flake-inputs.drv
  /nix/store/9rjfgbqn9pd5asdf3ify1napac6w9b91-check-flake-inputs.drv
building '/nix/store/3g85xn85my0rd0sz6nf91v6jzmk8dmm5-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/3g85xn85my0rd0sz6nf91v6jzmk8dmm5-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 3g85xn85my0rd0sz6nf91v6jzmk8dmm5-flake-inputs.drv
building '/nix/store/9rjfgbqn9pd5asdf3ify1napac6w9b91-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9rjfgbqn9pd5asdf3ify1napac6w9b91-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9rjfgbqn9pd5asdf3ify1napac6w9b91-check-flake-inputs.drv