this derivation will be built:
  /nix/store/apj7bfzq8pwdxhqcgc4iz0d4nwlsqx9v-treefmt-check.drv
building '/nix/store/apj7bfzq8pwdxhqcgc4iz0d4nwlsqx9v-treefmt-check.drv' on 'ssh-ng://customer@mac02'
error: Nix daemon disconnected unexpectedly (maybe it crashed?)
error: Cannot build '/nix/store/apj7bfzq8pwdxhqcgc4iz0d4nwlsqx9v-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/36n8nypgk8c28xjkyznpwiixd1vkkq41-treefmt-check