these 2 derivations will be built:
  /nix/store/v1ka2clwnc67ijnjg799xgzcwmalhr23-flake-inputs.drv
  /nix/store/4jd3v8rlkbzc99i5kp9r2m223z7hxiql-check-flake-inputs.drv
building '/nix/store/v1ka2clwnc67ijnjg799xgzcwmalhr23-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/v1ka2clwnc67ijnjg799xgzcwmalhr23-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building v1ka2clwnc67ijnjg799xgzcwmalhr23-flake-inputs.drv
building '/nix/store/4jd3v8rlkbzc99i5kp9r2m223z7hxiql-check-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/4jd3v8rlkbzc99i5kp9r2m223z7hxiql-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 4jd3v8rlkbzc99i5kp9r2m223z7hxiql-check-flake-inputs.drv