(not at the head of any monitored branch or PR)
2026-03-10 08:59.47: New job: test lwt_eio.0.5, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29530/head (3af7d0a25910b3d20c909e559efb484eb6a78128)
                              on debian-unstable-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29530/head" && git reset --hard 3af7d0a2
git fetch origin master
git merge --no-edit 3c70647a78a7fd22066fca4f17f7ca4514500663
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-unstable-ocaml-5.4@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_eio.0.5 0.5
RUN opam reinstall lwt_eio.0.5; \
    res=$?; \
    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-unstable\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_eio.0.5' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test lwt_eio.0.5) || true
RUN opam reinstall --with-test --verbose lwt_eio.0.5; \
    res=$?; \
    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-unstable\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_eio.0.5' && partial_fails="$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 .

2026-03-10 08:59.47: Using cache hint "ocaml/opam:debian-unstable-ocaml-5.4@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be-lwt_eio.0.5-3af7d0a25910b3d20c909e559efb484eb6a78128"
2026-03-10 08:59.47: Using OBuilder spec:
((from ocaml/opam:debian-unstable-ocaml-5.4@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be)
 (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 lwt_eio.0.5 0.5"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_eio.0.5;\
             \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-unstable\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test lwt_eio.0.5) || true"))
 (run (shell  "opam reinstall --with-test --verbose lwt_eio.0.5;\
             \n        res=$?;\
             \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-unstable\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-10 08:59.47: Waiting for resource in pool OCluster
2026-03-10 09:30.05: Waiting for worker…
2026-03-10 09:31.28: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 3c70647a78 Merge pull request #29507 from NathanReb/release-ppxlib-0-38-0-5-5-preview
Updating 3c70647a78..3af7d0a259
Fast-forward
 packages/bimage-lwt/bimage-lwt.0.3.0/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.3.1/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.4.0/opam    | 6 +++++-
 packages/caqti-lwt/caqti-lwt.0.11.0/opam     | 4 +++-
 packages/caqti-lwt/caqti-lwt.1.0.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.2.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.3.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.6.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.7.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.8.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.9.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.0.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.1.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.2.4/opam      | 6 +++++-
 packages/fuseau-lwt/fuseau-lwt.0.1/opam      | 6 +++++-
 packages/lambda-term/lambda-term.1.13/opam   | 6 +++++-
 packages/lambda-term/lambda-term.2.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.2/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.3/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0/opam    | 6 +++++-
 packages/lambda-term/lambda-term.3.0.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.1.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.2.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.2/opam  | 6 +++++-
 packages/lwt_domain/lwt_domain.0.1.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.2.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.3.0/opam    | 6 +++++-
 packages/lwt_eio/lwt_eio.0.1/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.2/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.3/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.4/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5.1/opam          | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5/opam            | 6 +++++-
 packages/lwt_glib/lwt_glib.1.0.1/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.0/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.1/opam        | 6 +++++-
 packages/lwt_log/lwt_log.1.1.0/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.1/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.4/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.3/opam          | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.10/opam | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.6/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.7/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.8/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.9/opam  | 6 +++++-
 packages/mwt/mwt.0.1.0/opam                  | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-1/opam      | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-2/opam      | 6 +++++-
 packages/ocluster/ocluster.0.1/opam          | 4 +++-
 packages/ocluster/ocluster.0.2.1/opam        | 6 +++++-
 packages/ocluster/ocluster.0.2/opam          | 4 +++-
 packages/ocluster/ocluster.0.3.0/opam        | 6 +++++-
 packages/picos/picos.0.3.0/opam              | 6 +++++-
 packages/picos/picos.0.4.0/opam              | 6 +++++-
 packages/picos_lwt/picos_lwt.0.5.0/opam      | 6 +++++-
 packages/picos_lwt/picos_lwt.0.6.0/opam      | 6 +++++-
 packages/tezt/tezt.2.0.0/opam                | 6 +++++-
 packages/tezt/tezt.3.0.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.1/opam                | 4 +++-
 packages/tezt/tezt.4.0.0/opam                | 4 +++-
 packages/tezt/tezt.4.1.0/opam                | 4 +++-
 packages/tezt/tezt.4.2.0/opam                | 4 +++-
 packages/tezt/tezt.4.3.0/opam                | 4 +++-
 84 files changed, 400 insertions(+), 84 deletions(-)

(from ocaml/opam:debian-unstable-ocaml-5.4@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be)
Unable to find image 'ocaml/opam:debian-unstable-ocaml-5.4@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be' locally
docker.io/ocaml/opam@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be: Pulling from ocaml/opam
5d328c471922: Pulling fs layer
f00abbd15497: Pulling fs layer
8db7d6e222cd: Pulling fs layer
745b4a42ed1b: Pulling fs layer
2896b51452b5: Pulling fs layer
1fea5b82256f: Pulling fs layer
8294f307901e: Pulling fs layer
8db7d6e222cd: Waiting
ecc43dfe3c80: Pulling fs layer
5c981433deda: Pulling fs layer
745b4a42ed1b: Waiting
75b392cef5ec: Pulling fs layer
c589b24d24cb: Pulling fs layer
8294f307901e: Waiting
e9218c22180c: Pulling fs layer
5c981433deda: Waiting
ecc43dfe3c80: Waiting
53efd95c2b7f: Pulling fs layer
2896b51452b5: Waiting
c9f0b85dce1f: Pulling fs layer
75b392cef5ec: Waiting
53efd95c2b7f: Waiting
d85ea5b43c76: Pulling fs layer
fe1b4d5e2ab3: Pulling fs layer
c9f0b85dce1f: Waiting
01719f26465e: Pulling fs layer
01719f26465e: Waiting
40ea78c8a01b: Pulling fs layer
d899eeed5549: Pulling fs layer
95eb2fcff96a: Pulling fs layer
c589b24d24cb: Waiting
e9218c22180c: Waiting
a1bef402d6bf: Pulling fs layer
40ea78c8a01b: Waiting
4f4fb700ef54: Pulling fs layer
d899eeed5549: Waiting
fe1b4d5e2ab3: Waiting
2b7876916db8: Pulling fs layer
17b1c517d9f9: Pulling fs layer
95eb2fcff96a: Waiting
a1bef402d6bf: Waiting
2b7876916db8: Waiting
1f3c24128938: Pulling fs layer
4f4fb700ef54: Waiting
17b1c517d9f9: Waiting
ff08eef5d167: Pulling fs layer
1f3c24128938: Waiting
9f93c317ad84: Pulling fs layer
de43567988be: Pulling fs layer
ff08eef5d167: Waiting
960f2cb3fd15: Pulling fs layer
9f93c317ad84: Waiting
de43567988be: Waiting
21cc70e6624a: Pulling fs layer
960f2cb3fd15: Waiting
cb5a64eedb74: Pulling fs layer
14423c9cef00: Pulling fs layer
21cc70e6624a: Waiting
cb5a64eedb74: Waiting
14423c9cef00: Waiting
05a3fcd55689: Pulling fs layer
bf669b533a13: Pulling fs layer
05a3fcd55689: Waiting
22f6d2e54943: Pulling fs layer
bf669b533a13: Waiting
68132bd2a62e: Pulling fs layer
b52e05e7534a: Pulling fs layer
22f6d2e54943: Waiting
c94f561cd98b: Pulling fs layer
b52e05e7534a: Waiting
68132bd2a62e: Waiting
866482d57749: Pulling fs layer
4433288cc778: Pulling fs layer
83673efe24e5: Pulling fs layer
c94f561cd98b: Waiting
866482d57749: Waiting
4433288cc778: Waiting
4d8b8f47597e: Pulling fs layer
0511166510bf: Pulling fs layer
4d8b8f47597e: Waiting
846f7d19236b: Pulling fs layer
0511166510bf: Waiting
83673efe24e5: Waiting
2c14dbfc250b: Pulling fs layer
f5a436005f49: Pulling fs layer
a99de58fb3e5: Pulling fs layer
846f7d19236b: Waiting
a99de58fb3e5: Waiting
2c14dbfc250b: Waiting
f5a436005f49: Waiting
8db7d6e222cd: Download complete
f00abbd15497: Verifying Checksum
f00abbd15497: Download complete
2896b51452b5: Verifying Checksum
2896b51452b5: Download complete
745b4a42ed1b: Verifying Checksum
745b4a42ed1b: Download complete
8294f307901e: Verifying Checksum
8294f307901e: Download complete
ecc43dfe3c80: Download complete
5d328c471922: Verifying Checksum
5d328c471922: Download complete
5d328c471922: Pull complete
f00abbd15497: Pull complete
8db7d6e222cd: Pull complete
745b4a42ed1b: Pull complete
2896b51452b5: Pull complete
1fea5b82256f: Verifying Checksum
1fea5b82256f: Download complete
75b392cef5ec: Verifying Checksum
75b392cef5ec: Download complete
c589b24d24cb: Verifying Checksum
c589b24d24cb: Download complete
1fea5b82256f: Pull complete
8294f307901e: Pull complete
ecc43dfe3c80: Pull complete
53efd95c2b7f: Verifying Checksum
53efd95c2b7f: Download complete
c9f0b85dce1f: Download complete
d85ea5b43c76: Verifying Checksum
d85ea5b43c76: Download complete
fe1b4d5e2ab3: Verifying Checksum
fe1b4d5e2ab3: Download complete
5c981433deda: Verifying Checksum
5c981433deda: Download complete
01719f26465e: Verifying Checksum
01719f26465e: Download complete
5c981433deda: Pull complete
75b392cef5ec: Pull complete
e9218c22180c: Verifying Checksum
e9218c22180c: Download complete
40ea78c8a01b: Verifying Checksum
40ea78c8a01b: Download complete
c589b24d24cb: Pull complete
d899eeed5549: Download complete
a1bef402d6bf: Download complete
e9218c22180c: Pull complete
95eb2fcff96a: Download complete
2b7876916db8: Verifying Checksum
2b7876916db8: Download complete
4f4fb700ef54: Verifying Checksum
4f4fb700ef54: Download complete
53efd95c2b7f: Pull complete
17b1c517d9f9: Download complete
ff08eef5d167: Verifying Checksum
ff08eef5d167: Download complete
c9f0b85dce1f: Pull complete
1f3c24128938: Download complete
d85ea5b43c76: Pull complete
fe1b4d5e2ab3: Pull complete
01719f26465e: Pull complete
9f93c317ad84: Verifying Checksum
9f93c317ad84: Download complete
960f2cb3fd15: Verifying Checksum
960f2cb3fd15: Download complete
40ea78c8a01b: Pull complete
d899eeed5549: Pull complete
95eb2fcff96a: Pull complete
a1bef402d6bf: Pull complete
4f4fb700ef54: Pull complete
2b7876916db8: Pull complete
17b1c517d9f9: Pull complete
1f3c24128938: Pull complete
ff08eef5d167: Pull complete
9f93c317ad84: Pull complete
de43567988be: Download complete
de43567988be: Pull complete
960f2cb3fd15: Pull complete
21cc70e6624a: Download complete
cb5a64eedb74: Verifying Checksum
cb5a64eedb74: Download complete
21cc70e6624a: Pull complete
cb5a64eedb74: Pull complete
14423c9cef00: Verifying Checksum
14423c9cef00: Download complete
14423c9cef00: Pull complete
05a3fcd55689: Verifying Checksum
05a3fcd55689: Download complete
bf669b533a13: Verifying Checksum
bf669b533a13: Download complete
05a3fcd55689: Pull complete
bf669b533a13: Pull complete
68132bd2a62e: Download complete
c94f561cd98b: Download complete
866482d57749: Verifying Checksum
866482d57749: Download complete
4433288cc778: Download complete
22f6d2e54943: Verifying Checksum
22f6d2e54943: Download complete
83673efe24e5: Verifying Checksum
83673efe24e5: Download complete
0511166510bf: Download complete
b52e05e7534a: Verifying Checksum
b52e05e7534a: Download complete
846f7d19236b: Verifying Checksum
846f7d19236b: Download complete
2c14dbfc250b: Download complete
f5a436005f49: Verifying Checksum
f5a436005f49: Download complete
a99de58fb3e5: Verifying Checksum
a99de58fb3e5: Download complete
22f6d2e54943: Pull complete
68132bd2a62e: Pull complete
b52e05e7534a: Pull complete
c94f561cd98b: Pull complete
866482d57749: Pull complete
4433288cc778: Pull complete
83673efe24e5: Pull complete
4d8b8f47597e: Verifying Checksum
4d8b8f47597e: Download complete
4d8b8f47597e: Pull complete
0511166510bf: Pull complete
846f7d19236b: Pull complete
2c14dbfc250b: Pull complete
f5a436005f49: Pull complete
a99de58fb3e5: Pull complete
Digest: sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be
Status: Downloaded newer image for ocaml/opam@sha256:052f22dabdce2fd49d2657b43d9a8b598f7c630053dc1783ae228858491ae3be
2026-03-10 09:33.01 ---> using "fc5f960075c978ec0e06c84f3560d8c857fd1defcad50daa8249e5300ed026cd" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-10 09:33.01 ---> using "a7f8c42e1023ddd99516cc6b1dc5b5dd09b982c94c2d9bafb265d941baa4edb3" 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
2026-03-10 09:33.01 ---> using "40835c6e6561451717592bb071d803f4abc6eff8c12465b59acc83781bff9a41" 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=unknown
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 255
# 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
2026-03-10 09:33.01 ---> using "7b5982cab09db920dad7f5c3f06736d0cb94f99f187c29315a802b971a823bb4" 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/"))
2026-03-10 09:33.01 ---> using "212109850733c17a00b6ed0a6b4ce46d24fe6b211c30948949a3d5ebbe52a4c7" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-10 09:33.02 ---> using "91f0ad3bd02100faada6b00abea5b577ff183eca9e1701d909c1cf35762b715e" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-10 09:33.02 ---> using "db3bb0d1151e5813134b3365cd49a697644e40909ceb9775cefe3b2e4fa0106a" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [187 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Err:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index
-   Couldn't find the start of the patch series
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Ign:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages [10.3 MB]
- Fetched 10.6 MB in 1s (9311 kB/s)
- Reading package lists...
2026-03-10 09:33.02 ---> using "06c52fd7cf6deecfe64bc554389758c7f82a4b802de436a889db72d04a575dea" from cache

/home/opam: (run (shell "opam pin add -k version -yn lwt_eio.0.5 0.5"))
lwt_eio is now pinned to version 0.5
2026-03-10 09:33.02 ---> using "91bb21bdd5a42f1b30c9edf31947b3fc6cc7df87fdb4bbc43b05226fa0d45eb8" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_eio.0.5;\
                        \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-unstable\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_eio.0.5 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 23 packages
  - install base-bytes         base         [required by ocplib-endian]
  - install bigstringaf        0.10.0       [required by eio]
  - install cppo               1.8.0        [required by lwt]
  - install csexp              1.5.2        [required by dune-configurator]
  - install cstruct            6.2.0        [required by eio]
  - install domain-local-await 1.0.1        [required by eio]
  - install dune               3.21.1       [required by lwt_eio]
  - install dune-configurator  3.21.1       [required by lwt]
  - install eio                1.3          [required by lwt_eio]
  - install fmt                0.11.0       [required by eio]
  - install hmap               0.8.1        [required by eio]
  - install lwt                6.0.0        [required by lwt_eio]
  - install lwt-dllist         1.1.0        [required by eio]
  - install lwt_eio            0.5 (pinned)
  - install mtime              2.1.0        [required by eio]
  - install ocamlbuild         0.16.1       [required by hmap, mtime]
  - install ocamlfind          1.9.8        [required by hmap, mtime]
  - install ocplib-endian      1.2          [required by lwt]
  - install optint             0.3.0        [required by eio]
  - install psq                0.2.1        [required by eio]
  - install seq                base         [required by psq]
  - install thread-table       1.0.0        [required by domain-local-await]
  - install topkg              1.1.1        [required by hmap, mtime]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved cstruct.6.2.0  (cached)
-> retrieved domain-local-await.1.0.1  (cached)
-> retrieved dune.3.21.1, dune-configurator.3.21.1  (cached)
-> retrieved eio.1.3  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved hmap.0.8.1  (cached)
-> retrieved lwt.6.0.0  (cached)
-> retrieved lwt-dllist.1.1.0  (cached)
-> retrieved lwt_eio.0.5  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved psq.0.2.1  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed hmap.0.8.1
-> installed fmt.0.11.0
-> installed mtime.2.1.0
-> installed dune.3.21.1
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed cstruct.6.2.0
-> installed lwt-dllist.1.1.0
-> installed optint.0.3.0
-> installed psq.0.2.1
-> installed thread-table.1.0.0
-> installed ocplib-endian.1.2
-> installed domain-local-await.1.0.1
-> installed dune-configurator.3.21.1
-> installed bigstringaf.0.10.0
-> installed eio.1.3
-> installed lwt.6.0.0
-> installed lwt_eio.0.5
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-10 09:33.36 ---> saved as "f04bb1cd8c8aa9dba9bf41ed4d8a0aab7e27e164ecface89cd5814e4caaa4a38"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test lwt_eio.0.5) || true"))
The following actions will be performed:
=== downgrade 1 package
  - downgrade eio           1.3 to 0.12  [required by lwt_eio]
=== recompile 3 packages
  - recompile cstruct       6.2.0        [uses fmt]
  - recompile fmt           0.11.0       [uses cmdliner]
  - recompile lwt_eio       0.5 (pinned)
=== install 13 packages
  - install   astring       0.8.5        [required by mdx]
  - install   camlp-streams 5.0.1        [required by mdx]
  - install   cmdliner      2.1.0        [required by mdx]
  - install   eio_linux     0.12         [required by eio_main]
  - install   eio_main      0.12         [required by lwt_eio]
  - install   eio_posix     0.12         [required by eio_main]
  - install   iomux         0.4          [required by eio_posix]
  - install   logs          0.10.0       [required by mdx]
  - install   mdx           2.5.1        [required by lwt_eio]
  - install   ocaml-version 4.0.3        [required by mdx]
  - install   re            1.14.0       [required by mdx]
  - install   result        1.5          [required by mdx]
  - install   uring         2.7.0        [required by eio_linux]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (https://opam.ocaml.org/cache)
-> retrieved camlp-streams.5.0.1  (https://opam.ocaml.org/cache)
-> retrieved cmdliner.2.1.0  (https://opam.ocaml.org/cache)
-> retrieved cstruct.6.2.0  (https://opam.ocaml.org/cache)
-> retrieved eio.0.12, eio_linux.0.12, eio_main.0.12, eio_posix.0.12  (https://opam.ocaml.org/cache)
-> installed camlp-streams.5.0.1
-> retrieved fmt.0.11.0  (https://opam.ocaml.org/cache)
-> retrieved iomux.0.4  (https://opam.ocaml.org/cache)
-> retrieved logs.0.10.0  (https://opam.ocaml.org/cache)
-> retrieved mdx.2.5.1  (https://opam.ocaml.org/cache)
-> retrieved ocaml-version.4.0.3  (https://opam.ocaml.org/cache)
-> retrieved re.1.14.0  (https://opam.ocaml.org/cache)
-> retrieved result.1.5  (https://opam.ocaml.org/cache)
-> installed iomux.0.4
-> installed ocaml-version.4.0.3
-> installed astring.0.8.5
-> retrieved uring.2.7.0  (https://opam.ocaml.org/cache)
-> installed result.1.5
-> installed re.1.14.0
-> removed   lwt_eio.0.5
-> removed   eio.1.3
-> removed   cstruct.6.2.0
-> removed   fmt.0.11.0
-> installed cmdliner.2.1.0
-> installed fmt.0.11.0
-> installed cstruct.6.2.0
-> installed logs.0.10.0
-> installed eio.0.12
-> installed uring.2.7.0
-> installed eio_posix.0.12
-> installed eio_linux.0.12
-> installed mdx.2.5.1
-> installed eio_main.0.12
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".

#=== ERROR while compiling lwt_eio.0.5 ========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | pinned(https://github.com/ocaml-multicore/lwt_eio/releases/download/v0.5/lwt_eio-0.5.tbz)
# path                 ~/.opam/5.4/.opam-switch/build/lwt_eio.0.5
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p lwt_eio -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/lwt_eio-7-cbfd5c.env
# output-file          ~/.opam/log/lwt_eio-7-cbfd5c.out
### output ###
# File "test/test.md", line 1, characters 0-0:
# /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
# diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
# index 7a9272f..ac6774e 100644
# --- a/_build/default/test/test.md
# +++ b/_build/default/test/.mdx/test.md.corrected
# @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
#      );;
#  +eio: i = 1
#  +  lwt: i = 1
# -+  lwt: i = 2
#  +eio: i = 2
# -+  lwt: i = 3
# ++  lwt: i = 2
#  +eio: i = 3
# -+  lwt: i = 4
# ++  lwt: i = 3
#  +eio: i = 4
# -+  lwt: i = 5
# ++  lwt: i = 4
#  +eio: i = 5
# -+  lwt: i = 6
# ++  lwt: i = 5
#  +eio: i = 6
# -+  lwt: i = 7
# ++  lwt: i = 6
#  +eio: i = 7
# -+  lwt: i = 8
# ++  lwt: i = 7
#  +eio: i = 8
# ++  lwt: i = 8
#  - : unit = ()
#  ```
#  



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build lwt_eio 0.5
+- 
+- The following changes have been performed
| - remove    lwt_eio       0.5
| - downgrade eio           1.3 to 0.12
| - recompile cstruct       6.2.0
| - recompile fmt           0.11.0
| - install   astring       0.8.5
| - install   camlp-streams 5.0.1
| - install   cmdliner      2.1.0
| - install   eio_linux     0.12
| - install   eio_main      0.12
| - install   eio_posix     0.12
| - install   iomux         0.4
| - install   logs          0.10.0
| - install   mdx           2.5.1
| - install   ocaml-version 4.0.3
| - install   re            1.14.0
| - install   result        1.5
| - install   uring         2.7.0
+- 
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/5.4/.opam-switch/backup/state-20260310093337.export"
Or you can retry to install your package selection with:
    /usr/bin/opam install --restore
2026-03-10 09:33.54 ---> saved as "9e19b9c0943c3653313a65bc7a1aa5f5281caddcd54bffab85d19be8485316af"

/home/opam: (run (shell  "opam reinstall --with-test --verbose lwt_eio.0.5;\
                        \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-unstable\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_eio.0.5 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install lwt_eio 0.5 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/3: [lwt_eio: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "lwt_eio" "-j" "255" "@install" "@runtest" (CWD=/home/opam/.opam/5.4/.opam-switch/build/lwt_eio.0.5)
- File "test/test.md", line 1, characters 0-0:
- /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
- diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
- index 7a9272f..ac6774e 100644
- --- a/_build/default/test/test.md
- +++ b/_build/default/test/.mdx/test.md.corrected
- @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
-      );;
-  +eio: i = 1
-  +  lwt: i = 1
- -+  lwt: i = 2
-  +eio: i = 2
- -+  lwt: i = 3
- ++  lwt: i = 2
-  +eio: i = 3
- -+  lwt: i = 4
- ++  lwt: i = 3
-  +eio: i = 4
- -+  lwt: i = 5
- ++  lwt: i = 4
-  +eio: i = 5
- -+  lwt: i = 6
- ++  lwt: i = 5
-  +eio: i = 6
- -+  lwt: i = 7
- ++  lwt: i = 6
-  +eio: i = 7
- -+  lwt: i = 8
- ++  lwt: i = 7
-  +eio: i = 8
- ++  lwt: i = 8
-  - : unit = ()
-  ```
-  
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".

#=== ERROR while compiling lwt_eio.0.5 ========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | pinned(https://github.com/ocaml-multicore/lwt_eio/releases/download/v0.5/lwt_eio-0.5.tbz)
# path                 ~/.opam/5.4/.opam-switch/build/lwt_eio.0.5
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p lwt_eio -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/lwt_eio-7-e30851.env
# output-file          ~/.opam/log/lwt_eio-7-e30851.out
### output ###
# File "test/test.md", line 1, characters 0-0:
# /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
# diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
# index 7a9272f..ac6774e 100644
# --- a/_build/default/test/test.md
# +++ b/_build/default/test/.mdx/test.md.corrected
# @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
#      );;
#  +eio: i = 1
#  +  lwt: i = 1
# -+  lwt: i = 2
#  +eio: i = 2
# -+  lwt: i = 3
# ++  lwt: i = 2
#  +eio: i = 3
# -+  lwt: i = 4
# ++  lwt: i = 3
#  +eio: i = 4
# -+  lwt: i = 5
# ++  lwt: i = 4
#  +eio: i = 5
# -+  lwt: i = 6
# ++  lwt: i = 5
#  +eio: i = 6
# -+  lwt: i = 7
# ++  lwt: i = 6
#  +eio: i = 7
# -+  lwt: i = 8
# ++  lwt: i = 7
#  +eio: i = 8
# ++  lwt: i = 8
#  - : unit = ()
#  ```
#  



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build lwt_eio 0.5
+- 
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'opam reinstall --with-test --verbose lwt_eio.0.5' failed.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose lwt_eio.0.5;
        res=$?;
        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-unstable\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lwt_eio.0.5' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-10 09:34.13: Job failed: Failed: Build failed
2026-03-10 09:34.13: Log analysis:
2026-03-10 09:34.13: >>> 
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".
 (score = 20)
2026-03-10 09:34.13: >>> 
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".
 (score = 20)
2026-03-10 09:34.13: The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".