2025-12-09 07:37.04: New job: test rfc1951.1.2.0 with dune.3.21.0~alpha2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29042/head (a9b8a0d0db631d21208bd4ab7355e867d7ecf88d)
                              on debian-13-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29042/head" && git reset --hard a9b8a0d0
git fetch origin master
git merge --no-edit 2e91c1385fa6ee7c38e1108967fe3bf9ccba52f6
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:8c62cc7b043f64833949d4049211997093b28a2f1b98377748d3e185ae301c04
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn dune.3.21.0~alpha2 3.21.0~alpha2
RUN opam reinstall dune.3.21.0~alpha2; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'dune.3.21.0~alpha2' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall rfc1951.1.2.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'rfc1951.1.2.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test rfc1951.1.2.0) || true
RUN opam reinstall --with-test --verbose rfc1951.1.2.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'rfc1951.1.2.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2025-12-09 07:37.04: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:8c62cc7b043f64833949d4049211997093b28a2f1b98377748d3e185ae301c04-dune.3.21.0~alpha2-rfc1951.1.2.0-a9b8a0d0db631d21208bd4ab7355e867d7ecf88d"
2025-12-09 07:37.04: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:8c62cc7b043f64833949d4049211997093b28a2f1b98377748d3e185ae301c04)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "opam option solver=builtin-0install && opam config report"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMPRECISETRACKING 1)
 (env CI true)
 (env OPAM_REPO_CI true)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn dune.3.21.0~alpha2 3.21.0~alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall dune.3.21.0~alpha2;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'dune.3.21.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall rfc1951.1.2.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'rfc1951.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test rfc1951.1.2.0) || true"))
 (run (shell  "opam reinstall --with-test --verbose rfc1951.1.2.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'rfc1951.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-09 07:37.04: Waiting for resource in pool OCluster
2025-12-09 17:39.02: Waiting for worker…
2025-12-09 17:42.02: Got resource from pool OCluster
Building on clete
All commits already cached
HEAD is now at 2e91c1385f Merge pull request #29043 from hannesm/mirage-kv
Merge made by the 'ort' strategy.
 .../chrome-trace/chrome-trace.3.21.0~alpha2/opam   | 41 ++++++++++++
 .../dune-action-plugin.3.21.0~alpha2/opam          | 54 ++++++++++++++++
 .../dune-build-info.3.21.0~alpha2/opam             | 47 ++++++++++++++
 .../dune-configurator.3.21.0~alpha2/opam           | 51 +++++++++++++++
 packages/dune-glob/dune-glob.3.21.0~alpha2/opam    | 44 +++++++++++++
 .../dune-private-libs.3.21.0~alpha2/opam           | 52 +++++++++++++++
 .../dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha2/opam   | 43 +++++++++++++
 packages/dune-rpc/dune-rpc.3.21.0~alpha2/opam      | 46 +++++++++++++
 packages/dune-site/dune-site.3.21.0~alpha2/opam    | 39 +++++++++++
 packages/dune/dune.3.21.0~alpha2/opam              | 75 ++++++++++++++++++++++
 packages/dyn/dyn.3.21.0~alpha2/opam                | 42 ++++++++++++
 packages/fs-io/fs-io.3.21.0~alpha2/opam            | 40 ++++++++++++
 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha2/opam  | 45 +++++++++++++
 packages/ordering/ordering.3.21.0~alpha2/opam      | 40 ++++++++++++
 packages/stdune/stdune.3.21.0~alpha2/opam          | 48 ++++++++++++++
 .../top-closure/top-closure.3.21.0~alpha2/opam     | 39 +++++++++++
 packages/xdg/xdg.3.21.0~alpha2/opam                | 41 ++++++++++++
 17 files changed, 787 insertions(+)
 create mode 100644 packages/chrome-trace/chrome-trace.3.21.0~alpha2/opam
 create mode 100644 packages/dune-action-plugin/dune-action-plugin.3.21.0~alpha2/opam
 create mode 100644 packages/dune-build-info/dune-build-info.3.21.0~alpha2/opam
 create mode 100644 packages/dune-configurator/dune-configurator.3.21.0~alpha2/opam
 create mode 100644 packages/dune-glob/dune-glob.3.21.0~alpha2/opam
 create mode 100644 packages/dune-private-libs/dune-private-libs.3.21.0~alpha2/opam
 create mode 100644 packages/dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha2/opam
 create mode 100644 packages/dune-rpc/dune-rpc.3.21.0~alpha2/opam
 create mode 100644 packages/dune-site/dune-site.3.21.0~alpha2/opam
 create mode 100644 packages/dune/dune.3.21.0~alpha2/opam
 create mode 100644 packages/dyn/dyn.3.21.0~alpha2/opam
 create mode 100644 packages/fs-io/fs-io.3.21.0~alpha2/opam
 create mode 100644 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha2/opam
 create mode 100644 packages/ordering/ordering.3.21.0~alpha2/opam
 create mode 100644 packages/stdune/stdune.3.21.0~alpha2/opam
 create mode 100644 packages/top-closure/top-closure.3.21.0~alpha2/opam
 create mode 100644 packages/xdg/xdg.3.21.0~alpha2/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:8c62cc7b043f64833949d4049211997093b28a2f1b98377748d3e185ae301c04)
2025-12-09 17:42.12 ---> using "5f87df8c1f6f0886e7311dfd3df40b8bbb961cc34c83c0d033c6dd248c84bc7d" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-09 17:42.12 ---> using "f1296791f2d76481058db697105a569091a6b6345f05c94bbc5a650f1a364f9a" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
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.

This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-12-09 17:42.12 ---> using "0cac9a31b4750e6a46df8ed8d2f68352091a988199fdf62c52779549510cd6bf" from cache

/home/opam: (run (shell "opam option solver=builtin-0install && opam config report"))
Set to 'builtin-0install' the field solver in global configuration
# opam config report
# opam-version         2.5.0
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2025-12-09 17:42.12 ---> using "1deb91dc3badca969976ed6f3bc5fe7c443d73a2cfa957be662fd6f93e30aa7b" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (env CI true)

/home/opam: (env OPAM_REPO_CI true)

/home/opam: (run (shell "rm -rf opam-repository/"))
2025-12-09 17:42.12 ---> using "1a02438c8753bf7228a9eb625e65b7af26778a022b9ce0b16be5ef4f294c58cd" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-09 17:42.13 ---> using "5eb86997857236bc32f8e9906c0a6a1698d33db864496f8e374d3bf25b889084" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-09 17:42.13 ---> using "461b809ba40b3a1f0f49bbba2df1162936b2a997b1e1fab87951df5ee9c3828d" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [81.7 kB]
- Fetched 172 kB in 0s (1521 kB/s)
- Reading package lists...
- 
2025-12-09 17:42.13 ---> using "d953188c1144583f4d6c9508d29746bc7aa496329e24e2133499412480d3b360" from cache

/home/opam: (run (shell "opam pin add -k version -yn dune.3.21.0~alpha2 3.21.0~alpha2"))
dune is now pinned to version 3.21.0~alpha2
2025-12-09 17:42.13 ---> using "4bbb6c46577f14fbf00d88ad9fe4a416fdaa3fe45eb57c7c8107e7f4e475d88b" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall dune.3.21.0~alpha2;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'dune.3.21.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
dune.3.21.0~alpha2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install dune 3.21.0~alpha2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.21.0~alpha2  (cached)
-> installed dune.3.21.0~alpha2
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-09 17:42.13 ---> using "6e916170e11b6a845780488e15d6d58d70f93cf536b2d72ac046cb05589b0a6d" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall rfc1951.1.2.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'rfc1951.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
rfc1951.1.2.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 9 packages
  - install base-bytes        base          [required by decompress]
  - install bigarray-compat   1.1.0         [required by decompress]
  - install checkseum         0.5.2         [required by decompress]
  - install csexp             1.5.2         [required by dune-configurator]
  - install decompress        1.2.0         [required by rfc1951]
  - install dune-configurator 3.21.0~alpha2 [required by checkseum]
  - install ocamlfind         1.9.8         [required by base-bytes]
  - install optint            0.3.0         [required by decompress]
  - install rfc1951           1.2.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved bigarray-compat.1.1.0  (cached)
-> retrieved checkseum.0.5.2  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved decompress.1.2.0, rfc1951.1.2.0  (cached)
-> installed csexp.1.5.2
-> installed bigarray-compat.1.1.0
-> retrieved dune-configurator.3.21.0~alpha2  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved optint.0.3.0  (cached)
-> installed optint.0.3.0
-> installed dune-configurator.3.21.0~alpha2
-> installed checkseum.0.5.2
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed decompress.1.2.0
-> installed rfc1951.1.2.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-09 17:42.35 ---> saved as "da1bee48227e02a7ed9000e72f376777d5c946a8eb98ad02242117c5cb61bf1f"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test rfc1951.1.2.0) || true"))
The following actions will be performed:
=== recompile 1 package
  - recompile rfc1951 1.2.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved rfc1951.1.2.0  (https://opam.ocaml.org/cache)
-> removed   rfc1951.1.2.0
-> installed rfc1951.1.2.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-09 17:42.43 ---> saved as "6384c188e978795e4288afc0927fc49f0f8233810b6cefcacff98089581e7ff5"

/home/opam: (run (shell  "opam reinstall --with-test --verbose rfc1951.1.2.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'rfc1951.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
The following actions will be performed:
=== recompile 1 package
  - recompile rfc1951 1.2.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/4: [rfc1951.1.2.0: extract]
-> retrieved rfc1951.1.2.0  (cached)
Processing  2/4: [rfc1951: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "rfc1951" "-j" "71" (CWD=/home/opam/.opam/5.4/.opam-switch/build/rfc1951.1.2.0)
- (cd _build/default && /home/opam/.opam/5.4/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.rfc1951.objs/byte -I /home/opam/.opam/5.4/lib/bigarray-compat -I /home/opam/.opam/5.4/lib/checkseum -I /home/opam/.opam/5.4/lib/optint -cmi-file lib/.rfc1951.objs/byte/rfc1951__De.cmi -no-alias-deps -open Rfc1951 -o lib/.rfc1951.objs/byte/rfc1951__De.cmo -c -impl lib/de.ml)
- File "lib/de.ml", line 2843, characters 18-24:
- 2843 |   let to_string ?(buffer= 4096) ~i ~w ~q ~refill =
-                          ^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- (cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.opt -w -40 -g -I lib/.rfc1951.objs/byte -I lib/.rfc1951.objs/native -I /home/opam/.opam/5.4/lib/bigarray-compat -I /home/opam/.opam/5.4/lib/checkseum -I /home/opam/.opam/5.4/lib/optint -cmi-file lib/.rfc1951.objs/byte/rfc1951__De.cmi -no-alias-deps -open Rfc1951 -o lib/.rfc1951.objs/native/rfc1951__De.cmx -c -impl lib/de.ml)
- File "lib/de.ml", line 2843, characters 18-24:
- 2843 |   let to_string ?(buffer= 4096) ~i ~w ~q ~refill =
-                          ^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
Processing  2/4: [rfc1951: dune runtest]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "runtest" "-p" "rfc1951" "-j" "71" (CWD=/home/opam/.opam/5.4/.opam-switch/build/rfc1951.1.2.0)
-> compiled  rfc1951.1.2.0
-> removed   rfc1951.1.2.0
-> installed rfc1951.1.2.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-09 17:42.54 ---> saved as "2f4cf0bbebadab28b150e95ff4c3f5e769ad453b0e19910e14676ebe251829a6"
Job succeeded
2025-12-09 17:43.20: Job succeeded