these 4 derivations will be built:
  /nix/store/wn1jljf96jbbik33qd4r6cpa9r13b9m6-source.drv
  /nix/store/fk1x0a35s5pwwkllwir0b23cfbf1bqjw-multica-0.8.2-go-modules.drv
  /nix/store/1jzxv9j65vnchic3vd957bdws4lmn3xd-multica-0.8.2.drv
  /nix/store/0rs1qqxz2cp9l8y8gxsssn0byaqay6k7-check-multica.drv
building '/nix/store/0rs1qqxz2cp9l8y8gxsssn0byaqay6k7-check-multica.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0rs1qqxz2cp9l8y8gxsssn0byaqay6k7-check-multica.drv' on farm.numtide.com:50051
check-multica> elastic-arm-dd5b305f: building 0rs1qqxz2cp9l8y8gxsssn0byaqay6k7-check-multica.drv