these 3 derivations will be built:
  /nix/store/8kzmizrsv12xhpl1qg70kff6adf8f4a6-iets-fuzzers-0.0.0.drv
  /nix/store/zna5cqg82dnm8f4z16c18x491abryx7r-iets-fuzz-diff-0.0.0.drv
  /nix/store/58l8lfg6kivj5w2rpllngjzijbgf0azg-iets-fuzz-drv-check.drv
warning: 58l8lfg6kivj5w2rpllngjzijbgf0azg-iets-fuzz-drv-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
58l8lfg6kivj5w2rpllngjzijbgf0azg-iets-fuzz-drv-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/58l8lfg6kivj5w2rpllngjzijbgf0azg-iets-fuzz-drv-check.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=23&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/58l8lfg6kivj5w2rpllngjzijbgf0azg-iets-fuzz-drv-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xwidb6jaag97rsf24wxps8sz079wwkb0-iets-fuzz-drv-check