these 2 derivations will be built:
  /nix/store/d2hnb7mrxnbi5vvs8zjnyl4hk47pj52k-flake-inputs.drv
  /nix/store/5k0ril1mkq9w3gps82bqdz1zybr267hh-check-flake-inputs.drv
building '/nix/store/d2hnb7mrxnbi5vvs8zjnyl4hk47pj52k-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/d2hnb7mrxnbi5vvs8zjnyl4hk47pj52k-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-ac8bb7f5: building d2hnb7mrxnbi5vvs8zjnyl4hk47pj52k-flake-inputs.drv
building '/nix/store/5k0ril1mkq9w3gps82bqdz1zybr267hh-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/5k0ril1mkq9w3gps82bqdz1zybr267hh-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-ac8bb7f5: building 5k0ril1mkq9w3gps82bqdz1zybr267hh-check-flake-inputs.drv