these 2 derivations will be built:
  /nix/store/skjds2vh9hzbjkkv8lyxdz80ch9lyy1v-flake-inputs.drv
  /nix/store/q17gv6a51svf6ck7r317gz7a9picr3vg-check-flake-inputs.drv
building '/nix/store/skjds2vh9hzbjkkv8lyxdz80ch9lyy1v-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/skjds2vh9hzbjkkv8lyxdz80ch9lyy1v-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building skjds2vh9hzbjkkv8lyxdz80ch9lyy1v-flake-inputs.drv
building '/nix/store/q17gv6a51svf6ck7r317gz7a9picr3vg-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/q17gv6a51svf6ck7r317gz7a9picr3vg-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building q17gv6a51svf6ck7r317gz7a9picr3vg-check-flake-inputs.drv