these 4 derivations will be built:
  /nix/store/jyhibm4mpw5bfy7gqdz42lkffprlpgd5-source.drv
  /nix/store/8wk3yyqv1bk3wwzyz2ndj66jjmbkls36-multica-0.8.0-go-modules.drv
  /nix/store/smzmw1qlmy7dbmj160lkx7y9l59ic496-multica-0.8.0.drv
  /nix/store/ijcqj20b7mgjw5gppmnazydy6afgsyr6-check-multica.drv
building '/nix/store/ijcqj20b7mgjw5gppmnazydy6afgsyr6-check-multica.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ijcqj20b7mgjw5gppmnazydy6afgsyr6-check-multica.drv' on farm.numtide.com:50051
check-multica> elastic-arm-a547aa52: building ijcqj20b7mgjw5gppmnazydy6afgsyr6-check-multica.drv