these 2 derivations will be built:
  /nix/store/1a1brm3d77jhywfdc09f0czf8z2n6f4x-flake-inputs.drv
  /nix/store/r5pjsg4jp2hpbz3hzbwf07xdk2m40hy4-check-flake-inputs.drv
building '/nix/store/1a1brm3d77jhywfdc09f0czf8z2n6f4x-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/1a1brm3d77jhywfdc09f0czf8z2n6f4x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-bdb1245a: building 1a1brm3d77jhywfdc09f0czf8z2n6f4x-flake-inputs.drv
building '/nix/store/r5pjsg4jp2hpbz3hzbwf07xdk2m40hy4-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/r5pjsg4jp2hpbz3hzbwf07xdk2m40hy4-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-bdb1245a: building r5pjsg4jp2hpbz3hzbwf07xdk2m40hy4-check-flake-inputs.drv