this derivation will be built:
  /nix/store/gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.drv
building '/nix/store/gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.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'
gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.drv: bld4: not scheduled here: gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.drv, asking the scheduler again
building '/nix/store/gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.drv' on farm.numtide.com:50051
check-icm> bld4: building gl6b9k913irp11s11fpv73xkwzd5nbb6-check-icm.drv

upload niks3: ok