these 2 derivations will be built:
  /nix/store/igdf5dg2c6q9ay7r66w7w2nd9xifmp36-flake-inputs.drv
  /nix/store/rk3j07vh5hand148in5fma3fw3hxymaw-check-flake-inputs.drv
building '/nix/store/igdf5dg2c6q9ay7r66w7w2nd9xifmp36-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/igdf5dg2c6q9ay7r66w7w2nd9xifmp36-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building igdf5dg2c6q9ay7r66w7w2nd9xifmp36-flake-inputs.drv
building '/nix/store/rk3j07vh5hand148in5fma3fw3hxymaw-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/rk3j07vh5hand148in5fma3fw3hxymaw-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building rk3j07vh5hand148in5fma3fw3hxymaw-check-flake-inputs.drv