these 2 derivations will be built:
  /nix/store/k1dvfzi9f2z266jrdjnkw0lamqm8pibc-flake-inputs.drv
  /nix/store/7v3ylw8zml7n6j1f7s6hanjmsi4q2g4c-check-flake-inputs.drv
building '/nix/store/k1dvfzi9f2z266jrdjnkw0lamqm8pibc-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/k1dvfzi9f2z266jrdjnkw0lamqm8pibc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-f49ce1c9: building k1dvfzi9f2z266jrdjnkw0lamqm8pibc-flake-inputs.drv
building '/nix/store/7v3ylw8zml7n6j1f7s6hanjmsi4q2g4c-check-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/7v3ylw8zml7n6j1f7s6hanjmsi4q2g4c-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-f49ce1c9: building 7v3ylw8zml7n6j1f7s6hanjmsi4q2g4c-check-flake-inputs.drv