these 2 derivations will be built:
  /nix/store/zk0602pv8y8vgpib5ylaw8xdxfvfp5az-flake-inputs.drv
  /nix/store/kr4ihj95fvcirh6znlsrvcwsb5s6g3p7-check-flake-inputs.drv
building '/nix/store/zk0602pv8y8vgpib5ylaw8xdxfvfp5az-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/zk0602pv8y8vgpib5ylaw8xdxfvfp5az-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building zk0602pv8y8vgpib5ylaw8xdxfvfp5az-flake-inputs.drv
building '/nix/store/kr4ihj95fvcirh6znlsrvcwsb5s6g3p7-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/kr4ihj95fvcirh6znlsrvcwsb5s6g3p7-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building kr4ihj95fvcirh6znlsrvcwsb5s6g3p7-check-flake-inputs.drv