OCamllabs icon Home|Differences with the last checks|Previous runs


Building on iphito.caelum.ci.dev

(from ocaml/opam:debian-unstable)
Unable to find image 'ocaml/opam:debian-unstable' locally
debian-unstable: Pulling from ocaml/opam
246b81718375: Pulling fs layer
246b81718375: Verifying Checksum
246b81718375: Download complete
246b81718375: Pull complete
Digest: sha256:4e29c959a0c99234b79101f3a7bae2e0751e11f5c226d8c4262bd707230a1d42
Status: Downloaded newer image for ocaml/opam:debian-unstable
2023-10-17 14:20.22 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" from cache

/: (user (uid 1000) (gid 1000))

/: (env OPAMPRECISETRACKING 1)

/: (env OPAMUTF8 never)

/: (env OPAMEXTERNALSOLVER builtin-0install)

/: (env OPAMCRITERIA +removed)

/: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2023-10-17 14:20.22 ---> using "65c3237f501f7c75f3828458ecf2342bc41c98aaef8c6a7fd82bf46a58cb258c" from cache

/: (run (network host)
        (shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q a4349cb398e7d693e3d509914067dc47d1c71782"))
2023-10-17 14:20.22 ---> using "5b9ef314e178a110e7c277a4f34e584827e18c12ff3970d6dc7e9cdad137c99f" from cache

/: (run (shell "rm -rf ~/.opam && opam init -ya --bare --config ~/.opamrc-sandbox ~/opam-repository"))
Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally from built-in defaults.
Checking for available remotes: rsync and local, git.
  - you won't be able to use mercurial repositories unless you install the hg command on your system.
  - you won't be able to use darcs repositories unless you install the darcs command on your system.


<><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised

User configuration:
  ~/.profile is already up-to-date.
[NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc.

2023-10-17 14:20.22 ---> using "f619a20827c653a5ebcf9aee9c5cd99ef20957d76dc42efb6bd47302f356f226" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=default '4.13' '4.13.1'"))

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.13.1"} | "ocaml-system" {= "4.13.1"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-base-compiler.4.13.1  (cached)
-> installed ocaml-base-compiler.4.13.1
-> installed ocaml-config.2
-> installed ocaml.4.13.1
Done.
# Run eval $(opam env --switch=4.13) to update the current shell environment
2023-10-17 14:20.22 ---> using "1af8cdf167b30a19cb5d4d77d9c7b9098c162a8e346ab0a502dfcbf3a3cb9b20" from cache

/: (run (network host)
        (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [198 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2023-10-17-0803.31-F-2023-10-12-2014.16.pdiff [224 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2023-10-17-0803.31-F-2023-10-12-2014.16.pdiff [224 kB]
- Fetched 485 kB in 1s (329 kB/s)
- Reading package lists...
- 
2023-10-17 14:20.22 ---> using "d13e6c23bc5174c34d70f1631e64643d6485b45fcc6b3c1f60938c088efb8299" from cache

/: (env OCAMLPARAM warn-error=+8,_)

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam remove -y \"atdj.2.0.0\"\
               \nopam install -vy \"atdj.2.0.0\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"atdj.2.0.0\" | grep -q '\"debian-unstable\"'; then\
               \n        echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\
               \n        exit 69\
               \n    fi\
               \nfi\
               \n\
               \n\
               \nexit $res\
               \n"))
Nothing to do.
[NOTE] atdj.2.0.0 is not installed.

The following actions will be performed:
=== install 8 packages
  - install atd         2.0.0        [required by atdj]
  - install atdj        2.0.0
  - install dune        3.11.1       [required by easy-format, menhir]
  - install easy-format 1.3.4        [required by atd]
  - install jbuilder    1.0+beta20.2 [required by atdj]
  - install menhir      20211128     [required by atd]
  - install menhirLib   20211128     [required by menhir]
  - install menhirSdk   20211128     [required by menhir]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/21:
Processing  2/21:
Processing  3/21:
-> retrieved easy-format.1.3.4  (cached)
Processing  4/21:
-> retrieved atd.2.0.0, atdj.2.0.0  (cached)
Processing  5/21:
-> retrieved jbuilder.1.0+beta20.2  (cached)
Processing  6/21: [jbuilder: ocaml configure.ml]
-> retrieved menhir.20211128, menhirLib.20211128, menhirSdk.20211128  (cached)
-> retrieved dune.3.11.1  (cached)
Processing  7/21: [dune: ocaml 255] [jbuilder: ocaml configure.ml]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "configure.ml" "--libdir" "/home/opam/.opam/4.13/lib" (CWD=/home/opam/.opam/4.13/.opam-switch/build/jbuilder.1.0+beta20.2)
Processing  7/21: [dune: ocaml 255] [jbuilder: ocaml bootstrap.ml]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "bootstrap.ml" (CWD=/home/opam/.opam/4.13/.opam-switch/build/jbuilder.1.0+beta20.2)
- OCAMLPARAM is set to "warn-error=+8,_"
- File "./bootstrap.ml", line 185, characters 29-41:
- 185 |              let base, ext = String.break base i in
-                                    ^^^^^^^^^^^^
- Warning 6 [labels-omitted]: label pos was omitted in the application of this function.
- File "./bootstrap.ml", line 190, characters 28-40:
- 190 |                  let a, b = String.break ext i in
-                                   ^^^^^^^^^^^^
- Warning 6 [labels-omitted]: label pos was omitted in the application of this function.
- '/home/opam/.opam/4.13/bin/ocamllex.opt' -q src/meta_lexer.mll
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/action.ml src/action_intf.ml src/arg_spec.ml src/artifacts.ml src/bin.ml src/binary_kind.ml src/build.ml src/build_interpret.ml src/build_system.ml src/clflags.ml src/cm_kind.ml src/colors.ml src/config.ml src/context.ml src/dep_path.ml src/env.ml src/errors.ml src/exe.ml src/file_tree.ml src/findlib.ml src/gen_meta.ml src/gen_rules.ml src/glob_lexer.boot.ml src/import.ml src/inline_tests.ml src/install.ml src/install_rules.ml src/installed_dune_file.ml src/interned.ml src/jbuild.ml src/jbuild_load.ml vendor/boot/jbuilder_opam_file_format.ml vendor/boot/jbuilder_re.ml src/js_of_ocaml_rules.ml src/lib.ml src/loc.ml src/log.ml src/main.ml src/menhir.ml src/merlin.ml src/meta.ml src/meta_lexer.ml src/ml_kind.ml src/mode.ml src/module.ml src/module_compilation.ml src/modules_partitioner.ml src/ocaml_flags.ml src/ocamldep.ml src/odoc.boot.ml src/opam_file.ml src/ordered_set_lang.ml src/package.ml src/path.ml src/per_item.ml src/preprocessing.ml src/print_diff.ml src/process.ml src/report_error.ml src/scheduler.ml src/scope.ml src/setup.boot.ml src/sexp.ml src/string_with_vars.ml src/sub_system.ml src/sub_system_intf.ml src/sub_system_name.ml src/super_context.ml src/syntax.ml src/top_closure.ml src/utils.ml src/utop.ml src/variant.ml src/vfile_kind.ml src/watermarks.ml src/workspace.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/stdune/caml/caml.ml src/stdune/caml/result.ml src/stdune/caml/result_compat.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/fiber/fiber.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/ocaml-config/ocaml_config.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/stdune/stdune.ml src/stdune/ansi_color.ml src/stdune/array.ml src/stdune/char.ml src/stdune/common.ml src/stdune/comparable.ml src/stdune/either.ml src/stdune/exn.ml src/stdune/filename.ml src/stdune/hashtbl.ml src/stdune/import.ml src/stdune/int.ml src/stdune/io.ml src/stdune/list.ml src/stdune/map.ml src/stdune/map_intf.ml src/stdune/option.ml src/stdune/or_exn.ml src/stdune/ordering.ml src/stdune/pp.ml src/stdune/result.ml src/stdune/set.ml src/stdune/set_intf.ml src/stdune/staged.ml src/stdune/string.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/usexp/usexp.ml src/usexp/parser_automaton_internal.ml src/usexp/sexp_ast.ml src/usexp/table.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamldep.opt' -modules src/xdg/xdg.ml > boot-depends.txt
- '/home/opam/.opam/4.13/bin/ocamlc.opt' -g -w -40 -o boot.exe unix.cma boot.ml
- File "src/stdune/caml/result.ml", line 4, characters 7-17:
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
- File "src/stdune/caml/result.mli", line 6, characters 7-17:
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
- File "src/stdune/pp.ml", line 98, characters 7-18:
- Alert deprecated: Stdlib.Format.pp_open_tag
- Use Format.pp_open_stag.
- File "src/stdune/pp.ml", line 100, characters 7-19:
- Alert deprecated: Stdlib.Format.pp_close_tag
- Use Format.pp_close_stag.
- File "src/stdune/pp.ml", line 103, characters 18-48:
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/stdune/pp.ml", line 105, characters 6-36:
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
- File "src/stdune/io.ml", line 1, characters 11-21:
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
- File "src/usexp/usexp.ml", line 209, characters 15-52:
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/usexp/usexp.ml", line 210, characters 2-39:
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
- File "src/colors.ml", line 105, characters 18-48:
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/colors.ml", line 107, characters 6-36:
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
- File "src/super_context.ml", line 72, characters 7-11:
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
Processing  7/21: [dune: ocaml 255] [jbuilder: ./boot.exe 255]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "./boot.exe" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/jbuilder.1.0+beta20.2)
-       ocamlc src/stdune/caml/.caml.objs/caml__Result.{cmi,cmti}
- File "src/stdune/caml/result.mli", line 6, characters 7-17:
- 6 |   open Pervasives
-            ^^^^^^^^^^
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
-     ocamlopt src/stdune/caml/.caml.objs/caml__Result.{cmx,o}
- File "src/stdune/caml/result.ml", line 4, characters 7-17:
- 4 |   open Pervasives
-            ^^^^^^^^^^
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
-     ocamlopt src/stdune/.stdune.objs/stdune__Io.{cmx,o}
- File "src/stdune/io.ml", line 1, characters 11-21:
- 1 | module P = Pervasives
-                ^^^^^^^^^^
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
-     ocamlopt src/stdune/.stdune.objs/stdune__Pp.{cmx,o}
- File "src/stdune/pp.ml", line 98, characters 7-18:
- 98 |        pp_open_tag ppf (embed_tag ~opening ~closing);
-             ^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_open_tag
- Use Format.pp_open_stag.
- File "src/stdune/pp.ml", line 100, characters 7-19:
- 100 |        pp_close_tag ppf ()
-              ^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_close_tag
- Use Format.pp_close_stag.
- File "src/stdune/pp.ml", line 103, characters 18-48:
- 103 |       let funcs = pp_get_formatter_tag_functions ppf () in
-                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/stdune/pp.ml", line 105, characters 6-36:
- 105 |       pp_set_formatter_tag_functions ppf
-             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
-     ocamlopt src/usexp/.usexp.objs/usexp.{cmx,o}
- File "src/usexp/usexp.ml", line 209, characters 15-52:
- 209 |   let tfuncs = Format.pp_get_formatter_tag_functions ppf () in
-                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/usexp/usexp.ml", line 210, characters 2-39:
- 210 |   Format.pp_set_formatter_tag_functions ppf
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
-     ocamlopt src/.jbuilder.objs/jbuilder__Colors.{cmx,o}
- File "src/colors.ml", line 105, characters 18-48:
- 105 |       let funcs = pp_get_formatter_tag_functions ppf () in
-                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_get_formatter_tag_functions
- Use Format.pp_get_formatter_stag_functions.
- File "src/colors.ml", line 107, characters 6-36:
- 107 |       pp_set_formatter_tag_functions ppf
-             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert deprecated: Stdlib.Format.pp_set_formatter_tag_functions
- This function will erase non-string tag formatting functions. Use Format.pp_set_formatter_stag_functions.
-     ocamlopt src/.jbuilder.objs/jbuilder__Super_context.{cmx,o}
- File "src/super_context.ml", line 72, characters 7-11:
- 72 |       ?host
-             ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
-> compiled  jbuilder.1.0+beta20.2
Processing  7/21: [dune: ocaml 255]
-> installed jbuilder.1.0+beta20.2
Processing  8/21: [dune: ocaml 255]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "boot/bootstrap.ml" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/dune.3.11.1)
- ocamlc -output-complete-exe -w -24 -g -o .duneboot.exe -I boot unix.cma boot/libs.ml boot/duneboot.ml
- ./.duneboot.exe -j 255
- 

Processing  8/21: [dune: ./_boot/dune.exe build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "./_boot/dune.exe" "build" "dune.install" "--release" "--profile" "dune-bootstrap" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/dune.3.11.1)
-> compiled  dune.3.11.1
-> installed dune.3.11.1
Processing 10/21: [easy-format: dune build]
Processing 11/21: [easy-format: dune build] [menhirLib: dune build]
Processing 12/21: [easy-format: dune build] [menhirLib: dune build] [menhirSdk: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "easy-format" "-j" "255" "@install" (CWD=/home/opam/.opam/4.13/.opam-switch/build/easy-format.1.3.4)
-> compiled  easy-format.1.3.4
Processing 12/21: [menhirLib: dune build] [menhirSdk: dune build]
-> installed easy-format.1.3.4
Processing 13/21: [menhirLib: dune build] [menhirSdk: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "menhirSdk" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/menhirSdk.20211128)
-> compiled  menhirSdk.20211128
Processing 13/21: [menhirLib: dune build]
-> installed menhirSdk.20211128
Processing 14/21: [menhirLib: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "menhirLib" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/menhirLib.20211128)
- (cd _build/default/lib/pack && ./pack.exe)
- Creating menhirLib.ml...
- Creating menhirLib.mli...
-> compiled  menhirLib.20211128
-> installed menhirLib.20211128
Processing 16/21: [menhir: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "menhir" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/menhir.20211128)
- (cd _build/default/src/stage2 && .bin/menhir --no-pager --table --fixed-exception --require-aliases --strict parser.mly --compare-errors parserMessages.auto.messages --compare-errors parserMessages.messages) > _build/default/src/stage2/parserMessages.check
- Read 101 sample input sentences and 101 error messages.
- Read 101 sample input sentences and 48 error messages.
- (cd _build/default && src/stage2/.bin/menhir --no-pager --table --fixed-exception --require-aliases --strict --strict -lg 1 -la 1 -lc 1 -v src/stage2/parser.mly --base src/stage2/parser --infer-read-reply src/stage2/parser__mock.mli.inferred)
- Grammar has 56 nonterminal symbols, among which 1 start symbols.
- Grammar has 37 terminal symbols.
- Grammar has 129 productions.
- Built an LR(0) automaton with 194 states.
- The grammar is not SLR(1) -- 5 states have a conflict.
- The construction mode is no-pager.
- Built an LR(1) automaton with 298 states.
- One shift/reduce conflict was silently solved.
- Extra reductions on error were added in 40 states.
- Priority played a role in 0 of these states.
- 152 out of 298 states have a default reduction.
- The action table is 11324 entries; 1610 non-zero; 1359 compressed.
- The action table occupies roughly 2816 bytes.
- The goto table is 16986 entries; 329 non-zero; 636 compressed.
- The goto table occupies roughly 1368 bytes.
- The error table occupies roughly 1448 bytes.
- The default_reduction table occupies roughly 336 bytes.
- The lhs table occupies roughly 168 bytes.
- The trace table occupies roughly 8 bytes.
- (cd _build/default/src/stage2 && .bin/menhir --no-pager --table --fixed-exception --require-aliases --strict parser.mly --compile-errors parserMessages.messages) > _build/default/src/stage2/parserMessages.ml
- Read 101 sample input sentences and 48 error messages.
-> compiled  menhir.20211128
-> installed menhir.20211128
Processing 18/21: [atd: jbuilder build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "jbuilder" "build" "-p" "atd" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/atd.2.0.0)
-       ocamlc atd/src/.atd.objs/atd__Doc.{cmo,cmt}
- File "atd/src/doc.ml", line 20, characters 2-21:
- 20 |   Annot.get_opt_field
-        ^^^^^^^^^^^^^^^^^^^
- Warning 6 [labels-omitted]: labels parse, sections, field were omitted in the application of this function.
-       ocamlc atd/src/.atd.objs/atd__Sort.{cmo,cmt}
- File "atd/src/sort.ml", line 53, characters 24-42:
- 53 |       let compare a b = Pervasives.compare a.id b.id
-                              ^^^^^^^^^^^^^^^^^^
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
-     ocamlopt atd/src/.atd.objs/atd__Sort.{cmx,o}
- File "atd/src/sort.ml", line 53, characters 24-42:
- 53 |       let compare a b = Pervasives.compare a.id b.id
-                              ^^^^^^^^^^^^^^^^^^
- Alert deprecated: module Stdlib.Pervasives
- Use Stdlib instead.
- 
- If you need to stay compatible with OCaml < 4.07, you can use the 
- stdlib-shims library: https://github.com/ocaml/stdlib-shims
-     ocamlopt atd/src/.atd.objs/atd__Doc.{cmx,o}
- File "atd/src/doc.ml", line 20, characters 2-21:
- 20 |   Annot.get_opt_field
-        ^^^^^^^^^^^^^^^^^^^
- Warning 6 [labels-omitted]: labels parse, sections, field were omitted in the application of this function.
-       ocamlc atd/src/.atd.objs/atd__Parser.{cmo,cmt}
- File "parser.mly", line 120, characters 18-33:
- Warning 6 [labels-omitted]: labels sections, field were omitted in the application of this function.
- File "parser.mly", line 124, characters 17-32:
- Warning 6 [labels-omitted]: labels loc, section, field were omitted in the application of this function.
-     ocamlopt atd/src/.atd.objs/atd__Parser.{cmx,o}
- File "parser.mly", line 120, characters 18-33:
- Warning 6 [labels-omitted]: labels sections, field were omitted in the application of this function.
- File "parser.mly", line 124, characters 17-32:
- Warning 6 [labels-omitted]: labels loc, section, field were omitted in the application of this function.
-> compiled  atd.2.0.0
-> installed atd.2.0.0
Processing 20/21: [atdj: jbuilder build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "jbuilder" "build" "-p" "atdj" "-j" "255" (CWD=/home/opam/.opam/4.13/.opam-switch/build/atdj.2.0.0)
-> compiled  atdj.2.0.0
-> installed atdj.2.0.0
Done.
# Run eval $(opam env) to update the current shell environment
2023-10-17 14:20.55 ---> saved as "1910497b788e9295bfe87de15f38caa38bcb6b6faa1e1cfdab4f83878157843b"
Job succeeded