(for PR #28222)

2025-08-21 14:28.34: New job: test letters.0.3.3 with lwt.6.0.0~alpha01, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28222/head (a14b2680809606d7e55ae7ed410b73438cb77bd0)
                              on debian-12-ocaml-5.3/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28222/head" && git reset --hard a14b2680
git fetch origin master
git merge --no-edit 4bae7ec4df49df4454ea492c8d7a1196aeae04e0
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3@sha256:ea4d070703e4c16aa9fe1cdf0b1a22c669ee514080881d205b570783be9040da
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt.6.0.0~alpha01 6.0.0~alpha01
RUN opam reinstall lwt.6.0.0~alpha01; \
    res=$?; \
    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-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt.6.0.0~alpha01' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall letters.0.3.3; \
    res=$?; \
    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-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'letters.0.3.3' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test letters.0.3.3) || true
RUN opam reinstall --with-test --verbose letters.0.3.3; \
    res=$?; \
    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-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'letters.0.3.3' && partial_fails="$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 .

2025-08-21 14:28.34: Using cache hint "ocaml/opam:debian-12-ocaml-5.3@sha256:ea4d070703e4c16aa9fe1cdf0b1a22c669ee514080881d205b570783be9040da-lwt.6.0.0~alpha01-letters.0.3.3-a14b2680809606d7e55ae7ed410b73438cb77bd0"
2025-08-21 14:28.34: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:ea4d070703e4c16aa9fe1cdf0b1a22c669ee514080881d205b570783be9040da)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.3 /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 lwt.6.0.0~alpha01 6.0.0~alpha01"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt.6.0.0~alpha01;\
             \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-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt.6.0.0~alpha01' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall letters.0.3.3;\
             \n        res=$?;\
             \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-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'letters.0.3.3' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test letters.0.3.3) || true"))
 (run (shell  "opam reinstall --with-test --verbose letters.0.3.3;\
             \n        res=$?;\
             \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-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'letters.0.3.3' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-08-21 14:28.34: Waiting for resource in pool OCluster
2025-08-21 14:38.24: Waiting for worker…
2025-08-21 14:39.38: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
Updating files:  88% (15949/18065)
Updating files:  89% (16078/18065)
Updating files:  90% (16259/18065)
Updating files:  91% (16440/18065)
Updating files:  92% (16620/18065)
Updating files:  93% (16801/18065)
Updating files:  94% (16982/18065)
Updating files:  95% (17162/18065)
Updating files:  96% (17343/18065)
Updating files:  97% (17524/18065)
Updating files:  98% (17704/18065)
Updating files:  99% (17885/18065)
Updating files: 100% (18065/18065)
Updating files: 100% (18065/18065), done.
HEAD is now at 4bae7ec4df Merge pull request #28375 from jmid/opam-compiler-re-bounds
Merge made by the 'ort' strategy.
 packages/curl_lwt/curl_lwt.0.10.0/opam            |  2 +-
 packages/lwt/lwt.6.0.0~alpha01/opam               | 69 +++++++++++++++++++++++
 packages/lwt_direct/lwt_direct.6.0.0~alpha01/opam | 44 +++++++++++++++
 packages/lwt_glib/lwt_glib.1.0.1/opam             |  2 +-
 packages/lwt_glib/lwt_glib.1.1.0/opam             |  2 +-
 packages/lwt_glib/lwt_glib.1.1.1/opam             |  2 +-
 packages/lwt_log/lwt_log.1.1.0/opam               |  2 +-
 packages/lwt_log/lwt_log.1.1.1/opam               |  2 +-
 packages/lwt_log/lwt_log.1.1.2/opam               |  2 +-
 packages/ocurl/ocurl.0.7.6/opam                   |  1 +
 packages/ocurl/ocurl.0.7.7/opam                   |  1 +
 packages/ocurl/ocurl.0.7.8/opam                   |  1 +
 packages/ocurl/ocurl.0.7.9/opam                   |  1 +
 packages/ocurl/ocurl.0.8.1/opam                   |  1 +
 packages/ocurl/ocurl.0.8.2/opam                   |  1 +
 packages/ocurl/ocurl.0.9.0/opam                   |  1 +
 packages/ocurl/ocurl.0.9.1/opam                   |  1 +
 packages/ocurl/ocurl.0.9.2/opam                   |  1 +
 18 files changed, 129 insertions(+), 7 deletions(-)
 create mode 100644 packages/lwt/lwt.6.0.0~alpha01/opam
 create mode 100644 packages/lwt_direct/lwt_direct.6.0.0~alpha01/opam

(from ocaml/opam:debian-12-ocaml-5.3@sha256:ea4d070703e4c16aa9fe1cdf0b1a22c669ee514080881d205b570783be9040da)
2025-08-21 14:40.05 ---> using "7b3e7b3709bbd37e599e66041e6848f5fe2736f92dc6c0cdd0ce7e7e3b68a5fe" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-08-21 14:40.05 ---> using "fdb2f3150c6149944c5fb21481d03894b2a1eb858b0e57dd2c9a75abe976a37d" 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 development 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
2025-08-21 14:40.05 ---> using "17e4912cc343bf9d6e06e48e9e9351b5dc4e90574d8d51e624e13d87c1256c34" 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         2.3.0 (35acd0c5abc5e66cdbd5be16ba77aa6c33a4c724)
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=12
# 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       5.3
# invariant            ["ocaml-base-compiler" {= "5.3.0"}]
# compiler-packages    ocaml-base-compiler.5.3.0, ocaml-compiler.5.3.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.3/lib/ocaml/stublibs:/home/opam/.opam/5.3/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.3.0
2025-08-21 14:40.05 ---> using "6706a07cda0f456729fd8ea317c1b2e469be2575c65745711a34e940deb30914" 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/"))
2025-08-21 14:40.05 ---> using "446e092e760c930913d6e325d53ad558bf56968ae9672a6e786f97fb5382a4a2" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-08-21 14:40.07 ---> using "e2d8033e36d0fb3ddcd7c5ffe7ca15b94d06ebe44acbaee74a0996ef8753f31d" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-08-21 14:40.07 ---> using "102a3119b01dda2f8e376fe34bff237f44bca320d513614a9a351f4b25965402" 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 bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [274 kB]
- Fetched 378 kB in 0s (840 kB/s)
- Reading package lists...
- 
2025-08-21 14:40.07 ---> using "24d874fb0411c6b2f2d4776fdc89242207712820407a8f30cf172d2fdb697872" from cache

/home/opam: (run (shell "opam pin add -k version -yn lwt.6.0.0~alpha01 6.0.0~alpha01"))
lwt is now pinned to version 6.0.0~alpha01
2025-08-21 14:40.07 ---> using "6ab5442de9272c0f0db61129d10e60bfa1be8d0f95173d943f2d541603c9d186" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt.6.0.0~alpha01;\
                        \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-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt.6.0.0~alpha01' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt.6.0.0~alpha01 is not installed. Install it? [y/n] y
The following actions will be performed:
=== install 9 packages
  - install base-bytes        base                   [required by ocplib-endian]
  - install cppo              1.8.0                  [required by lwt]
  - install csexp             1.5.2                  [required by dune-configurator]
  - install domain_shims      0.1.0                  [required by lwt]
  - install dune              3.20.0                 [required by lwt]
  - install dune-configurator 3.20.0                 [required by lwt]
  - install lwt               6.0.0~alpha01 (pinned)
  - install ocamlfind         1.9.8                  [required by base-bytes]
  - install ocplib-endian     1.2                    [required by lwt]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved domain_shims.0.1.0  (cached)
-> retrieved dune.3.20.0, dune-configurator.3.20.0  (cached)
-> retrieved lwt.6.0.0~alpha01  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.20.0
-> installed domain_shims.0.1.0
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.20.0
-> installed lwt.6.0.0~alpha01
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-21 14:40.07 ---> using "934ae348bdb4eb1a3fa9f44645715c7fa3377f89d2dc4f3d2bd34a7121234837" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall letters.0.3.3;\
                        \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-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'letters.0.3.3' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
letters.0.3.3 is not installed. Install it? [y/n] y
The following actions will be performed:
=== install 56 packages
  - install angstrom              0.16.1             [required by colombe, mrmime]
  - install asn1-combinators      0.2.6              [required by x509]
  - install astring               0.8.5              [required by ca-certs]
  - install base64                3.5.1              [required by mrmime, sendmail]
  - install bigarray-overlap      0.2.1              [required by mrmime]
  - install bigstringaf           0.10.0             [required by mrmime, sendmail]
  - install bos                   0.2.1              [required by ca-certs]
  - install ca-certs              0.2.3              [required by letters]
  - install cmdliner              1.3.0              [required by tls-lwt]
  - install coin                  0.1.4              [required by rosetta]
  - install colombe               0.8.1              [required by letters]
  - install conf-gmp              5                  [required by zarith, conf-gmp-powm-sec]
  - install conf-gmp-powm-sec     4                  [required by mirage-crypto-pk]
  - install conf-pkg-config       4                  [required by bigarray-overlap]
  - install cstruct               6.2.0              [required by sendmail]
  - install domain-name           0.4.1              [required by x509, tls]
  - install duration              0.2.1              [required by mirage-crypto-rng-lwt]
  - install emile                 1.1                [required by colombe, mrmime]
  - install eqaf                  0.9                [required by mirage-crypto]
  - install fmt                   0.11.0             [required by letters]
  - install fpath                 0.7.3              [required by letters]
  - install gmap                  0.3.0              [required by x509]
  - install hkdf                  1.0.4 (deprecated) [required by tls]
  - install ipaddr                5.6.1              [required by colombe, mrmime]
  - install ke                    0.6                [required by mrmime, sendmail]
  - install letters               0.3.3
  - install logs                  0.9.0              [required by ca-certs, sendmail]
  - install macaddr               5.6.1              [required by ipaddr]
  - install mirage-crypto         0.11.3             [required by ca-certs]
  - install mirage-crypto-ec      0.11.3             [required by x509, tls]
  - install mirage-crypto-pk      0.11.3             [required by x509, tls]
  - install mirage-crypto-rng     0.11.3             [required by tls, x509, mirage-crypto-rng-lwt]
  - install mirage-crypto-rng-lwt 0.11.3             [required by tls-lwt]
  - install mrmime                0.7.0              [required by letters]
  - install mtime                 2.1.0              [required by mirage-crypto-rng-lwt]
  - install ocaml-syntax-shims    1.0.0              [required by colombe]
  - install ocamlbuild            0.16.1             [required by bos, astring, ptime]
  - install pbkdf                 1.2.0              [required by x509]
  - install pecu                  0.7                [required by mrmime]
  - install prettym               0.0.3              [required by mrmime]
  - install ptime                 1.2.0              [required by letters]
  - install re                    1.13.2             [required by coin, uuuu]
  - install rosetta               0.3.0              [required by mrmime]
  - install rresult               0.7.0              [required by letters]
  - install sendmail              0.8.1              [required by letters]
  - install seq                   base               [required by re]
  - install sexplib0              v0.17.0            [required by mirage-crypto-pk]
  - install tls                   0.17.5             [required by letters]
  - install tls-lwt               0.17.5             [required by letters]
  - install topkg                 1.1.0              [required by bos, astring, ptime]
  - install unstrctrd             0.4                [required by mrmime]
  - install uutf                  1.0.4              [required by mrmime]
  - install uuuu                  0.3.0              [required by rosetta]
  - install x509                  0.16.5             [required by letters]
  - install yuscii                0.3.0              [required by rosetta]
  - install zarith                1.14               [required by asn1-combinators, mirage-crypto-pk]

The following system packages will first need to be installed:
    libgmp-dev pkg-config

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libgmp-dev" "pkg-config"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libgmpxx4ldbl:amd64.
- (Reading database ... 
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(Reading database ... 18778 files and directories currently installed.)
- Preparing to unpack .../0-libgmpxx4ldbl_2%3a6.2.1+dfsg1-1.1_amd64.deb ...
- Unpacking libgmpxx4ldbl:amd64 (2:6.2.1+dfsg1-1.1) ...
- Selecting previously unselected package libgmp-dev:amd64.
- Preparing to unpack .../1-libgmp-dev_2%3a6.2.1+dfsg1-1.1_amd64.deb ...
- Unpacking libgmp-dev:amd64 (2:6.2.1+dfsg1-1.1) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../2-libpkgconf3_1.8.1-1_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../3-pkgconf-bin_1.8.1-1_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-1) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../4-pkgconf_1.8.1-1_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../5-pkg-config_1.8.1-1_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-1) ...
- Setting up libpkgconf3:amd64 (1.8.1-1) ...
- Setting up libgmpxx4ldbl:amd64 (2:6.2.1+dfsg1-1.1) ...
- Setting up pkgconf-bin (1.8.1-1) ...
- Setting up libgmp-dev:amd64 (2:6.2.1+dfsg1-1.1) ...
- Setting up pkgconf:amd64 (1.8.1-1) ...
- Setting up pkg-config:amd64 (1.8.1-1) ...
- Processing triggers for libc-bin (2.36-9+deb12u10) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved asn1-combinators.0.2.6  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved base64.3.5.1  (cached)
-> retrieved bigarray-overlap.0.2.1  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved bos.0.2.1  (cached)
-> retrieved ca-certs.0.2.3  (cached)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved coin.0.1.4  (cached)
-> retrieved colombe.0.8.1, sendmail.0.8.1  (cached)
-> retrieved conf-gmp.5  (cached)
-> retrieved conf-gmp-powm-sec.4  (cached)
-> retrieved cstruct.6.2.0  (cached)
-> installed conf-gmp.5
-> installed conf-pkg-config.4
-> retrieved domain-name.0.4.1  (cached)
-> retrieved duration.0.2.1  (cached)
-> retrieved emile.1.1  (cached)
-> retrieved eqaf.0.9  (cached)
-> installed conf-gmp-powm-sec.4
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved gmap.0.3.0  (cached)
-> retrieved hkdf.1.0.4  (cached)
-> retrieved ipaddr.5.6.1, macaddr.5.6.1  (cached)
-> retrieved ke.0.6  (cached)
-> retrieved letters.0.3.3  (cached)
-> retrieved logs.0.9.0  (cached)
-> installed duration.0.2.1
-> installed bigarray-overlap.0.2.1
-> installed gmap.0.3.0
-> installed domain-name.0.4.1
-> installed base64.3.5.1
-> installed macaddr.5.6.1
-> installed bigstringaf.0.10.0
-> retrieved mirage-crypto.0.11.3, mirage-crypto-ec.0.11.3, mirage-crypto-pk.0.11.3, mirage-crypto-rng.0.11.3, mirage-crypto-rng-lwt.0.11.3  (cached)
-> installed ipaddr.5.6.1
-> retrieved mrmime.0.7.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved pbkdf.1.2.0  (cached)
-> retrieved pecu.0.7  (cached)
-> retrieved prettym.0.0.3  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved rosetta.0.3.0  (cached)
-> retrieved rresult.0.7.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved tls.0.17.5, tls-lwt.0.17.5  (cached)
-> retrieved topkg.1.1.0  (cached)
-> installed pecu.0.7
-> retrieved unstrctrd.0.4  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved uuuu.0.3.0  (cached)
-> retrieved x509.0.16.5  (cached)
-> retrieved yuscii.0.3.0  (cached)
-> retrieved zarith.1.14  (cached)
-> installed yuscii.0.3.0
-> installed sexplib0.v0.17.0
-> installed ocaml-syntax-shims.1.0.0
-> installed re.1.13.2
-> installed angstrom.0.16.1
-> installed cmdliner.1.3.0
-> installed coin.0.1.4
-> installed uuuu.0.3.0
-> installed rosetta.0.3.0
-> installed zarith.1.14
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.0
-> installed rresult.0.7.0
-> installed uutf.1.0.4
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed unstrctrd.0.4
-> installed astring.0.8.5
-> installed emile.1.1
-> installed ke.0.6
-> installed cstruct.6.2.0
-> installed colombe.0.8.1
-> installed prettym.0.0.3
-> installed eqaf.0.9
-> installed fpath.0.7.3
-> installed asn1-combinators.0.2.6
-> installed logs.0.9.0
-> installed mrmime.0.7.0
-> installed mirage-crypto.0.11.3
-> installed hkdf.1.0.4
-> installed pbkdf.1.2.0
-> installed mirage-crypto-rng.0.11.3
-> installed mirage-crypto-rng-lwt.0.11.3
-> installed mirage-crypto-pk.0.11.3
-> installed bos.0.2.1
-> installed mirage-crypto-ec.0.11.3
-> installed x509.0.16.5
-> installed ca-certs.0.2.3
-> installed tls.0.17.5
-> installed tls-lwt.0.17.5
-> installed sendmail.0.8.1
-> installed letters.0.3.3
Done.

<><> hkdf.1.0.4 installed successfully ><><><><><><><><><><><><><><><><><><><><>
=> Note: This package is deprecated.
# To update the current shell environment, run: eval $(opam env)
2025-08-21 14:40.59 ---> saved as "9de0925ed79defa8ef6c070c9a6359f1f83c9529e369c6f33aa9a86e84e43b3e"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test letters.0.3.3) || true"))
The following actions will be performed:
=== recompile 1 package
  - recompile letters      0.3.3
=== install 4 packages
  - install   alcotest     1.9.0 [required by letters]
  - install   alcotest-lwt 1.9.0 [required by letters]
  - install   stdlib-shims 0.3.0 [required by alcotest]
  - install   yojson       3.0.0 [required by letters]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved alcotest.1.9.0, alcotest-lwt.1.9.0  (https://opam.ocaml.org/cache)
-> retrieved letters.0.3.3  (https://opam.ocaml.org/cache)
-> retrieved stdlib-shims.0.3.0  (https://opam.ocaml.org/cache)
-> retrieved yojson.3.0.0  (https://opam.ocaml.org/cache)
-> installed stdlib-shims.0.3.0
-> installed alcotest.1.9.0
-> removed   letters.0.3.3
-> installed yojson.3.0.0
-> installed alcotest-lwt.1.9.0
-> installed letters.0.3.3
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-21 14:41.12 ---> saved as "a6a2fa4fa348573a69d6f579d3b4d74eed267c868db5999b274f7a0429d43c62"

/home/opam: (run (shell  "opam reinstall --with-test --verbose letters.0.3.3;\
                        \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-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'letters.0.3.3' && partial_fails=\"$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 letters 0.3.3

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/4: [letters.0.3.3: extract]
-> retrieved letters.0.3.3  (cached)
Processing  2/4: [letters: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "letters" "-j" "71" "@install" "@runtest" (CWD=/home/opam/.opam/5.3/.opam-switch/build/letters.0.3.3)
- (cd _build/default && /home/opam/.opam/5.3/bin/ocamlopt.opt -w -40 -g -I lib/.letters.objs/byte -I lib/.letters.objs/native -I /home/opam/.opam/5.3/lib/ca-certs -I /home/opam/.opam/5.3/lib/colombe -I /home/opam/.opam/5.3/lib/colombe/emile -I /home/opam/.opam/5.3/lib/domain-name -I /home/opam/.opam/5.3/lib/emile -I /home/opam/.opam/5.3/lib/fmt -I /home/opam/.opam/5.3/lib/logs -I /home/opam/.opam/5.3/lib/lwt -I /home/opam/.opam/5.3/lib/lwt/unix -I /home/opam/.opam/5.3/lib/mrmime -I /home/opam/.opam/5.3/lib/ptime -I /home/opam/.opam/5.3/lib/ptime/clock -I /home/opam/.opam/5.3/lib/rresult -I /home/opam/.opam/5.3/lib/sendmail -I /home/opam/.opam/5.3/lib/sendmail/starttls -I /home/opam/.opam/5.3/lib/tls -I /home/opam/.opam/5.3/lib/tls-lwt -I /home/opam/.opam/5.3/lib/x509 -cmi-file lib/.letters.objs/byte/letters__Sendmail_handler.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/native/letters__Sendmail_handler.cmx -c -impl lib/sendmail_handler.ml)
- File "_none_", line 1:
- Alert ocaml_deprecated_auto_include: 
- OCaml's lib directory layout changed in 5.0. The unix subdirectory has been
- automatically added to the search path, but you should add -I +unix to the
- command-line to silence this alert (e.g. by adding unix to the list of
- libraries in your dune file, or adding use_unix to your _tags file for
- ocamlbuild, or using -package unix for ocamlfind).
- 
- File "lib/sendmail_handler.ml", line 42, characters 3-17:
- 42 |   ?authentication
-         ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 40, characters 3-7:
- 40 |   ?port
-         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 95, characters 33-47:
- 95 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                                       ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 95, characters 19-23:
- 95 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- (cd _build/default && /home/opam/.opam/5.3/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.letters.objs/byte -I /home/opam/.opam/5.3/lib/ca-certs -I /home/opam/.opam/5.3/lib/colombe -I /home/opam/.opam/5.3/lib/colombe/emile -I /home/opam/.opam/5.3/lib/domain-name -I /home/opam/.opam/5.3/lib/emile -I /home/opam/.opam/5.3/lib/fmt -I /home/opam/.opam/5.3/lib/logs -I /home/opam/.opam/5.3/lib/lwt -I /home/opam/.opam/5.3/lib/lwt/unix -I /home/opam/.opam/5.3/lib/mrmime -I /home/opam/.opam/5.3/lib/ptime -I /home/opam/.opam/5.3/lib/ptime/clock -I /home/opam/.opam/5.3/lib/rresult -I /home/opam/.opam/5.3/lib/sendmail -I /home/opam/.opam/5.3/lib/sendmail/starttls -I /home/opam/.opam/5.3/lib/tls -I /home/opam/.opam/5.3/lib/tls-lwt -I /home/opam/.opam/5.3/lib/x509 -cmi-file lib/.letters.objs/byte/letters__Sendmail_handler.cmi -no-alias-deps -open Letters__ -o lib/.letters.objs/byte/letters__Sendmail_handler.cmo -c -impl lib/sendmail_handler.ml)
- File "_none_", line 1:
- Alert ocaml_deprecated_auto_include: 
- OCaml's lib directory layout changed in 5.0. The unix subdirectory has been
- automatically added to the search path, but you should add -I +unix to the
- command-line to silence this alert (e.g. by adding unix to the list of
- libraries in your dune file, or adding use_unix to your _tags file for
- ocamlbuild, or using -package unix for ocamlfind).
- 
- File "lib/sendmail_handler.ml", line 42, characters 3-17:
- 42 |   ?authentication
-         ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 40, characters 3-7:
- 40 |   ?port
-         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 95, characters 33-47:
- 95 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                                       ^^^^^^^^^^^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- 
- File "lib/sendmail_handler.ml", line 95, characters 19-23:
- 95 | let run ~hostname ?port ~domain ?authentication ~tls_authenticator ~from ~recipients ~mail
-                         ^^^^
- Warning 16 [unerasable-optional-argument]: this optional argument cannot be erased.
- (cd _build/default/test && ./test.exe)
- Testing `model'.
- This run has ID `IUOL91HA'.
- 
-   [OK]          config          0   create config.
- 
- Full test results in `~/.opam/5.3/.opam-switch/build/letters.0.3.3/_build/default/test/_build/_tests/model'.
- Test Successful in 0.000s. 1 test run.
-> compiled  letters.0.3.3
-> removed   letters.0.3.3
-> installed letters.0.3.3
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-21 14:41.19 ---> saved as "c131cd99a9b8ebcb089acd589c2dd26a23245e77fcb6867566522d628161841e"
Job succeeded
2025-08-21 14:41.53: Job succeeded