these 2 derivations will be built:
  /nix/store/91icm51ka237vf1pxsh7plm1r5cpa387-flake-inputs.drv
  /nix/store/ypjj6yd3di6zfn3f48ihydrqwcrp4raa-check-flake-inputs.drv
building '/nix/store/91icm51ka237vf1pxsh7plm1r5cpa387-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/91icm51ka237vf1pxsh7plm1r5cpa387-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-c5d90956: building 91icm51ka237vf1pxsh7plm1r5cpa387-flake-inputs.drv
building '/nix/store/ypjj6yd3di6zfn3f48ihydrqwcrp4raa-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ypjj6yd3di6zfn3f48ihydrqwcrp4raa-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-c5d90956: building ypjj6yd3di6zfn3f48ihydrqwcrp4raa-check-flake-inputs.drv