these 2 derivations will be built:
  /nix/store/n9vg01a1gxx5vnds9y34aj8pqm8xjbks-flake-inputs.drv
  /nix/store/87rb1gdp3yb2ck5jimcw8wrs028807wf-check-flake-inputs.drv
building '/nix/store/n9vg01a1gxx5vnds9y34aj8pqm8xjbks-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/n9vg01a1gxx5vnds9y34aj8pqm8xjbks-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building n9vg01a1gxx5vnds9y34aj8pqm8xjbks-flake-inputs.drv
building '/nix/store/87rb1gdp3yb2ck5jimcw8wrs028807wf-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/87rb1gdp3yb2ck5jimcw8wrs028807wf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 87rb1gdp3yb2ck5jimcw8wrs028807wf-check-flake-inputs.drv