The following actions will be performed:
  - install ocaml-migrate-parsetree-ocamlbuild 1.0.1

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[ocaml-migrate-parsetree-ocamlbuild: http] Command started
[ocaml-migrate-parsetree-ocamlbuild: http] Command started
[ocaml-migrate-parsetree-ocamlbuild.1.0.1] https://github.com/let-def/ocaml-migrate-parsetree/archive/1.0.1.tar.gz downloaded

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[ocaml-migrate-parsetree-ocamlbuild: jbuilder build] Command started
+ jbuilder "build" "-p" "ocaml-migrate-parsetree-ocamlbuild" "-j" "4" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1)
-        ocaml (internal) (exit 1)
- (cd src && /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin/ocaml -I +compiler-libs /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/_build/.jbuilds/default/src/jbuild.ml)
- Unkown OCaml version 4.07.1+dev0-2018-07-10
-        ocaml (internal) (exit 1)
- (cd src && /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin/ocaml -I +compiler-libs /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/_build/.jbuilds/default/src/jbuild.ml)
- Unkown OCaml version 4.07.1+dev0-2018-07-10
[ERROR] The compilation of ocaml-migrate-parsetree-ocamlbuild failed at
        "jbuilder build -p ocaml-migrate-parsetree-ocamlbuild -j 4".

#=== ERROR while installing ocaml-migrate-parsetree-ocamlbuild.1.0.1 ==========#
# opam-version         1.2.2+dd (3852ba0a7708d4dc37f64dd4cd00f873bf317ac0)
# os                   linux
# command              jbuilder build -p ocaml-migrate-parsetree-ocamlbuild -j 4
# path                 /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1
# compiler             4.07.0+pr2051
# exit-code            1
# env-file             /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/ocaml-migrate-parsetree-ocamlbuild-9443.env
# stdout-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/ocaml-migrate-parsetree-ocamlbuild-9443.out
# stderr-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/ocaml-migrate-parsetree-ocamlbuild-9443.out
### stdout ###
#        ocaml (internal) (exit 1)
# (cd src && /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin/ocaml -I +compiler-libs /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/_build/.jbuilds/default/src/jbuild.ml)
# Unkown OCaml version 4.07.1+dev0-2018-07-10
### stderr ###
#        ocaml (internal) (exit 1)
# (cd src && /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin/ocaml -I +compiler-libs /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/ocaml-migrate-parsetree-ocamlbuild.1.0.1/_build/.jbuilds/default/src/jbuild.ml)
# Unkown OCaml version 4.07.1+dev0-2018-07-10



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
The following actions failed
  - install ocaml-migrate-parsetree-ocamlbuild 1.0.1
No changes have been performed
'opam install ocaml-migrate-parsetree-ocamlbuild.1.0.1' failed.