this derivation will be built:
  /nix/store/y26w2cddps0p2rqlh5pi2kd7rcwpsjk2-iets-ast-grep.drv
could not copy /nix/store/wmja17bbdh4wh7i7a8yy2ab02nac6vx7-iets-ast-grep: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2a01:4f9:3071:1fc8::1%5D:50051: handshaker shutdown
error: some outputs are unexpectedly invalid