The following actions will be performed:
  - install jupyter 2.3.3

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[jupyter: http] Command started
[jupyter: http] Command started
[jupyter.2.3.3] https://github.com/akabe/ocaml-jupyter/releases/download/v2.3.3/jupyter-2.3.3.tbz downloaded

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[jupyter: dune build] Command started
+ dune "build" "-p" "jupyter" "-j" "4" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/jupyter.2.3.3)
- File "jupyter/src/core/dune", line 15, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
- File "jupyter/src/comm/dune", line 13, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
- File "jupyter/src/notebook/dune", line 9, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
- File "jupyter/src/core/dune", line 15, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
- File "jupyter/src/comm/dune", line 13, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
- File "jupyter/src/notebook/dune", line 9, characters 14-39:
- Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
- compatible with Dune. Examples of ppx rewriters that are compatible with Dune
- are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
[ERROR] The compilation of jupyter failed at "dune build -p jupyter -j 4".

#=== ERROR while installing jupyter.2.3.3 =====================================#
# opam-version         1.2.2+dd (3852ba0a7708d4dc37f64dd4cd00f873bf317ac0)
# os                   linux
# command              dune build -p jupyter -j 4
# path                 /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/jupyter.2.3.3
# 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/jupyter.2.3.3/jupyter-5453.env
# stdout-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/jupyter.2.3.3/jupyter-5453.out
# stderr-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/jupyter.2.3.3/jupyter-5453.out
### stdout ###
# [...]
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
# File "jupyter/src/comm/dune", line 13, characters 14-39:
# Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
# File "jupyter/src/notebook/dune", line 9, characters 14-39:
# Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
### stderr ###
# [...]
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
# File "jupyter/src/comm/dune", line 13, characters 14-39:
# Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.
# File "jupyter/src/notebook/dune", line 9, characters 14-39:
# Error: No ppx driver were found. It seems that ppx_deriving_yojson is not
# compatible with Dune. Examples of ppx rewriters that are compatible with Dune
# are ones using ocaml-migrate-parsetree, ppxlib or ppx_driver.



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
The following actions failed
  - install jupyter 2.3.3
No changes have been performed

=-=- jupyter.2.3.3 troubleshooting =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=> Please run for registration of ocaml-jupyter kernel:
=> 
=> $ jupyter kernelspec install --name ocaml-jupyter \
'opam install jupyter.2.3.3' failed.