gistfile1.txt

[root@ip-10-0-15-94:~/nixpkgs]# nix build -f . ocamlPackages.uunf jackline  ocamlPackages.carton
builder for '/nix/store/jk2iifylxp71nda1glf9pyiamyz58ck8-ocaml-uunf-13.0.0.drv' failed with exit code 1; last 10 log lines:
  Command exited with code 2.
  pkg.ml: [ERROR] cmd ['ocamlbuild' '-use-ocamlfind' '-classic-display' '-j' '4' '-tag' 'debug'
       '-build-dir' '_build' 'opam' 'pkg/META' 'CHANGES.md' 'LICENSE.md'
       'README.md' 'src/uunf.a' 'src/uunf.cmxs' 'src/uunf.cmxa' 'src/uunf.cma'
       'src/uunf.cmx' 'src/uunf.cmi' 'src/uunf.mli' 'src/uunf_data.cmx'
       'src/uunf_tmapbyte.cmx' 'src/uunf_tmapbool.cmx' 'src/uunf_tmap.cmx'
       'src/uunf_string.a' 'src/uunf_string.cmxs' 'src/uunf_string.cmxa'
       'src/uunf_string.cma' 'src/uunf_string.cmx' 'src/uunf_string.cmi'
       'src/uunf_string.mli' 'test/unftrip.native' 'doc/index.mld' 'DEVEL.md'
       'test/examples.ml']: exited with 10
cannot build derivation '/nix/store/55igza0q2fqcfr9gdnvfqgijvbnrm4qd-ocaml4.08.1-uucp-13.0.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/xavn8663md8gqjf2fpv8363clfbb7c54-ocaml4.08.1-jackline-unstable-2020-09-03.drv': 1 dependencies couldn't be built
[12 built (1 failed), 154 copied (973.0 MiB), 189.1 MiB DL]
error: build of '/nix/store/6fcic3sgk43zjmj6qdwj1gfgbcqkrn3q-ocaml4.10.0-carton-0.2.0.drv', '/nix/store/xavn8663md8gqjf2fpv8363clfbb7c54-ocaml4.08.1-jackline-unstable-2020-09-03.drv' failed