these 2 derivations will be built:
  /nix/store/lmd38ni6x8821w3jbk8pbqpkzm0mi49h-flake-inputs.drv
  /nix/store/gqmcsv2w8kp85dxvc16piw9rm57kjn88-check-flake-inputs.drv
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: tcp handshaker shutdown, retrying
building '/nix/store/lmd38ni6x8821w3jbk8pbqpkzm0mi49h-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-linux'
building '/nix/store/lmd38ni6x8821w3jbk8pbqpkzm0mi49h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-b1a4a024: building lmd38ni6x8821w3jbk8pbqpkzm0mi49h-flake-inputs.drv
could not copy /nix/store/5p5mily28gikqa0qn8f2mmh5zvdqhxy2-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: tcp handshaker shutdown
error: some outputs are unexpectedly invalid