(not at the head of any monitored branch or PR)
2026-03-21 23:40.11: New job: test spectrum_palette_ppx.1.0.0.alpha2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29581/head (c52e39f11b5df3e4bb74becd6c0b64f6f336b223)
                              on freebsd-14.3-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29581/head" && git reset --hard c52e39f1
git fetch origin master
git merge --no-edit 76bf2ed9443fdee37e6f046c6295d358be3f8598
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM freebsd-14.3-ocaml-5.4
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/local/bin/opam-dev /usr/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn spectrum_palette_ppx.1.0.0.alpha2 1.0.0.alpha2
RUN opam reinstall spectrum_palette_ppx.1.0.0.alpha2; \
    res=$?; \
    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 "\"freebsd-14.3\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test spectrum_palette_ppx.1.0.0.alpha2) || true
RUN opam reinstall --with-test --verbose spectrum_palette_ppx.1.0.0.alpha2; \
    res=$?; \
    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 "\"freebsd-14.3\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails="$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 .

2026-03-21 23:40.11: Using cache hint "freebsd-14.3-ocaml-5.4-spectrum_palette_ppx.1.0.0.alpha2-c52e39f11b5df3e4bb74becd6c0b64f6f336b223"
2026-03-21 23:40.11: Using OBuilder spec:
((from freebsd-14.3-ocaml-5.4)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/local/bin/opam-dev /usr/local/bin/opam"))
 (run (network host)
      (shell "opam init --reinit -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 spectrum_palette_ppx.1.0.0.alpha2 1.0.0.alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall spectrum_palette_ppx.1.0.0.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 \"\\\"freebsd-14.3\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test spectrum_palette_ppx.1.0.0.alpha2) || true"))
 (run (shell  "opam reinstall --with-test --verbose spectrum_palette_ppx.1.0.0.alpha2;\
             \n        res=$?;\
             \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 \"\\\"freebsd-14.3\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-21 23:40.11: Waiting for resource in pool OCluster
2026-03-21 23:40.14: Waiting for worker…
2026-03-21 23:40.14: Got resource from pool OCluster
Building on rosemary
All commits already cached
Updating files: 100% (18514/18514), done.
HEAD is now at 76bf2ed944 Merge pull request #29572 from hannesm/release-letsencrypt-v2.0.0
Updating 76bf2ed944..c52e39f11b
Fast-forward
 packages/spectrum/spectrum.1.0.0.alpha2/opam       | 52 ++++++++++++++++++++++
 .../spectrum_capabilities.1.0.0.alpha2/opam        | 43 ++++++++++++++++++
 .../spectrum_palette_ppx.1.0.0.alpha2/opam         | 45 +++++++++++++++++++
 .../spectrum_palettes.1.0.0.alpha2/opam            | 42 +++++++++++++++++
 .../spectrum_tools.1.0.0.alpha2/opam               | 47 +++++++++++++++++++
 5 files changed, 229 insertions(+)
 create mode 100644 packages/spectrum/spectrum.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_capabilities/spectrum_capabilities.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_palette_ppx/spectrum_palette_ppx.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_palettes/spectrum_palettes.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_tools/spectrum_tools.1.0.0.alpha2/opam

(from freebsd-14.3-ocaml-5.4)
2026-03-21 23:35.56 ---> using "463e9b939b79b2568bf98b05cff00f85b3ec5717170cf88773a44ae3b08f11e7" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/local/bin/opam-dev /usr/local/bin/opam"))
2026-03-21 23:35.56 ---> using "0f4f38cca0f09ffdac905c0015fdbe56f9214c89e28a28ae3325cd6eed47fd99" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit -ni"))
No configuration file found, using 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 2.1 to version 2.2, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
[NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=1 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///home/opam/opam-repository
2026-03-21 23:36.04 ---> saved as "430d75e95f6be08ef0776e6e6bb864bc698709d5f7d071fd7fbbf37d0a8617d5"

/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=freebsd os-distribution=freebsd os-version=1403000
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 39
# repositories         1 (version-controlled)
# pinned               0
# current-switch       5.4.0
# invariant            ["ocaml-base-compiler" {= "5.4.0"} | "ocaml-system" {= "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/5.4.0/lib/ocaml/stublibs:/home/opam/.opam/5.4.0/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2026-03-21 23:36.06 ---> saved as "8a5a57fecc1d42886ddc4a5b75b36583eef8196838ccdc1bf870bc7798f6f185"

/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/"))
2026-03-21 23:36.17 ---> saved as "5d57b5e6a2b42d2aa72fb2cc8558fd5735263edde7f2032c7588b729f1b1565f"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-21 23:36.33 ---> saved as "b80befe5dc2b71b85d1b82eb89fae705e3d0b0b42859ac036ba6dd07954ded82"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-21 23:36.53 ---> saved as "7dd106e1a28c5a17b6af569c757606e0fea4c778e30a3b8f22de65c20f99eb90"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
[WARNING] Unknown update command for bsd, skipping system update
2026-03-21 23:36.54 ---> saved as "cfd09b2bd7793509703775fe9df2055a7a7eb2520fc6a3726be382000708fe20"

/home/opam: (run (shell "opam pin add -k version -yn spectrum_palette_ppx.1.0.0.alpha2 1.0.0.alpha2"))
spectrum_palette_ppx is now pinned to version 1.0.0.alpha2
2026-03-21 23:36.57 ---> saved as "9c13acb4f0cea2a6605bef3fa511fabf6bacd29753d7e886b373db77cf43316c"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall spectrum_palette_ppx.1.0.0.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 \"\\\"freebsd-14.3\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
spectrum_palette_ppx.1.0.0.alpha2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 17 packages
  ∗ color                0.3.0                 [required by spectrum_palette_ppx]
  ∗ cppo                 1.8.0                 [required by ppx_deriving]
  ∗ dune                 3.22.0                [required by spectrum_palette_ppx]
  ∗ gg                   1.0.0                 [required by color]
  ∗ ocaml-compiler-libs  v0.17.0               [required by ppxlib]
  ∗ ocamlbuild           0.16.1                [required by gg]
  ∗ ocamlfind            1.9.8                 [required by gg, ppx_deriving]
  ∗ oktree               0.2.4                 [required by spectrum_palette_ppx]
  ∗ ppx_derivers         1.2.1                 [required by ppx_deriving]
  ∗ ppx_deriving         6.1.1                 [required by oktree]
  ∗ ppxlib               0.37.0                [required by spectrum_palette_ppx]
  ∗ re                   1.14.0                [required by spectrum_palette_ppx]
  ∗ sexplib0             v0.17.0               [required by ppxlib]
  ∗ spectrum_palette_ppx 1.0.0.alpha2 (pinned)
  ∗ stdlib-shims         0.3.0                 [required by ppxlib]
  ∗ topkg                1.1.1                 [required by gg]
  ∗ yojson               3.0.0                 [required by spectrum_palette_ppx]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved color.0.3.0  (cached)
⬇ retrieved cppo.1.8.0  (cached)
⬇ retrieved dune.3.22.0  (cached)
⬇ retrieved gg.1.0.0  (cached)
⬇ retrieved ocaml-compiler-libs.v0.17.0  (cached)
⬇ retrieved ocamlbuild.0.16.1  (cached)
⬇ retrieved ocamlfind.1.9.8  (cached)
⬇ retrieved oktree.0.2.4  (cached)
⬇ retrieved ppx_derivers.1.2.1  (cached)
⬇ retrieved ppx_deriving.6.1.1  (cached)
⬇ retrieved ppxlib.0.37.0  (cached)
⬇ retrieved re.1.14.0  (cached)
⬇ retrieved sexplib0.v0.17.0  (cached)
⬇ retrieved spectrum_palette_ppx.1.0.0.alpha2  (https://github.com/anentropic/ocaml-spectrum/archive/refs/tags/1.0.0.alpha2.tar.gz)
⬇ retrieved stdlib-shims.0.3.0  (cached)
⬇ retrieved topkg.1.1.1  (cached)
⬇ retrieved yojson.3.0.0  (cached)
∗ installed ocamlfind.1.9.8
∗ installed ocamlbuild.0.16.1
∗ installed topkg.1.1.1
∗ installed gg.1.0.0
∗ installed dune.3.22.0
∗ installed ppx_derivers.1.2.1
∗ installed color.0.3.0
∗ installed stdlib-shims.0.3.0
∗ installed sexplib0.v0.17.0
∗ installed ocaml-compiler-libs.v0.17.0
∗ installed cppo.1.8.0
∗ installed yojson.3.0.0
∗ installed re.1.14.0
∗ installed ppxlib.0.37.0
∗ installed ppx_deriving.6.1.1
∗ installed oktree.0.2.4
∗ installed spectrum_palette_ppx.1.0.0.alpha2
Done.
2026-03-21 23:38.49 ---> saved as "a46052e8b1419f47828d6d5d07e6c1ba4635717d113d887216ae4b96c28cee65"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test spectrum_palette_ppx.1.0.0.alpha2) || true"))
The following actions will be performed:
=== recompile 1 package
  ↻ spectrum_palette_ppx 1.0.0.alpha2 (pinned)
=== install 11 packages
  ∗ alcotest             1.9.1                 [required by spectrum_palette_ppx]
  ∗ astring              0.8.5                 [required by alcotest]
  ∗ cmdliner             2.1.0                 [required by alcotest]
  ∗ fmt                  0.11.0                [required by alcotest]
  ∗ junit                2.3.0                 [required by junit_alcotest]
  ∗ junit_alcotest       2.3.0                 [required by spectrum_palette_ppx]
  ∗ ocaml-syntax-shims   1.0.0                 [required by alcotest]
  ∗ ptime                1.2.0                 [required by junit]
  ∗ seq                  base                  [required by tyxml]
  ∗ tyxml                4.6.0                 [required by junit]
  ∗ uutf                 1.0.4                 [required by alcotest]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved alcotest.1.9.1  (https://github.com/mirage/alcotest/releases/download/1.9.1/alcotest-1.9.1.tbz)
⬇ retrieved astring.0.8.5  (https://erratique.ch/software/astring/releases/astring-0.8.5.tbz)
⬇ retrieved cmdliner.2.1.0  (https://erratique.ch/software/cmdliner/releases/cmdliner-2.1.0.tbz)
⬇ retrieved fmt.0.11.0  (https://erratique.ch/software/fmt/releases/fmt-0.11.0.tbz)
⬇ retrieved junit.2.3.0, junit_alcotest.2.3.0  (https://github.com/Khady/ocaml-junit/releases/download/2.3.0/junit-2.3.0.tbz)
⬇ retrieved ocaml-syntax-shims.1.0.0  (https://github.com/ocaml-ppx/ocaml-syntax-shims/releases/download/1.0.0/ocaml-syntax-shims-1.0.0.tbz)
⬇ retrieved ptime.1.2.0  (https://erratique.ch/software/ptime/releases/ptime-1.2.0.tbz)
⬇ retrieved seq.base  (2 extra sources)
⬇ retrieved seq.base  (2 extra sources)
∗ installed seq.base
∗ installed ocaml-syntax-shims.1.0.0
⬇ retrieved tyxml.4.6.0  (https://github.com/ocsigen/tyxml/releases/download/4.6.0/tyxml-4.6.0.tbz)
⬇ retrieved uutf.1.0.4  (https://erratique.ch/software/uutf/releases/uutf-1.0.4.tbz)
∗ installed astring.0.8.5
∗ installed ptime.1.2.0
⊘ removed   spectrum_palette_ppx.1.0.0.alpha2
∗ installed cmdliner.2.1.0
∗ installed uutf.1.0.4
∗ installed fmt.0.11.0
∗ installed alcotest.1.9.1
∗ installed tyxml.4.6.0
∗ installed junit.2.3.0
∗ installed junit_alcotest.2.3.0
∗ installed spectrum_palette_ppx.1.0.0.alpha2
Done.
2026-03-21 23:39.15 ---> saved as "2501de1cda565c4001912fea9ab65e9c9946c474405e042220ea1dbfa68fe332"

/home/opam: (run (shell  "opam reinstall --with-test --verbose spectrum_palette_ppx.1.0.0.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 \"\\\"freebsd-14.3\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'spectrum_palette_ppx.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
The following actions will be performed:
=== recompile 1 package
  ↻ spectrum_palette_ppx 1.0.0.alpha2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/4: [spectrum_palette_ppx: dune build]
+ /home/opam/.opam/5.4.0/bin/dune "build" "-p" "spectrum_palette_ppx" "-j" "39" "@install" "@runtest" (CWD=/home/opam/.opam/5.4.0/.opam-switch/build/spectrum_palette_ppx.1.0.0.alpha2)
- (cd _build/default/lib/spectrum_palette_ppx/test && ./test_utils.exe)
- Testing `PPX Utils'.
- This run has ID `GEE31ZF4'.
- 
-   [OK]          camel_to_kebab          0   common conversions.
-   [OK]          camel_to_kebab          1   numeric suffixes.
- 
- Full test results in `~/.opam/5.4.0/.opam-switch/build/spectrum_palette_ppx.1.0.0.alpha2/_build/default/lib/spectrum_palette_ppx/test/_build/_tests/PPX Utils'.
- Test Successful in 0.001s. 2 tests run.
- (cd _build/default/lib/spectrum_palette_ppx/test && ./test_loader.exe)
- Testing `Loader'.
- This run has ID `4XIRT10T'.
- 
-   [OK]          Valid JSON - load                      0   single color.
-   [OK]          Valid JSON - load                      1   multiple colors.
-   [OK]          Valid JSON - load_assoc                0   colors indexed by ...
-   [OK]          Valid JSON - color_of_def              0   color definition c...
-   [OK]          Invalid JSON - missing fields          0   missing colorId.
-   [OK]          Invalid JSON - missing fields          1   missing name.
-   [OK]          Invalid JSON - missing fields          2   missing rgb.
-   [OK]          Invalid JSON - missing fields          3   missing r in rgb.
-   [OK]          Invalid JSON - missing fields          4   missing g in rgb.
-   [OK]          Invalid JSON - missing fields          5   missing b in rgb.
-   [OK]          Invalid JSON - wrong types             0   colorId wrong type.
-   [OK]          Invalid JSON - wrong types             1   name wrong type.
-   [OK]          Invalid JSON - wrong types             2   rgb wrong type.
-   [OK]          Invalid JSON - wrong types             3   r wrong type.
-   [OK]          Invalid JSON - structure               0   not an array.
- 
- Full test results in `~/.opam/5.4.0/.opam-switch/build/spectrum_palette_ppx.1.0.0.alpha2/_build/default/lib/spectrum_palette_ppx/test/_build/_tests/Loader'.
- Test Successful in 0.004s. 15 tests run.
- (cd _build/default/lib/spectrum_palette_ppx/test && ./test_palette.exe)
- Testing `Palette'.
- This run has ID `ZAS4K2FA'.
- 
-   [OK]          LAB color space conversion                    0   lab3_of_col...
-   [OK]          LAB color space conversion                    1   black vs wh...
-   [OK]          LAB color space conversion                    2   gray is neu...
-   [OK]          Nearest-color index building                  0   nearest_ind...
-   [OK]          Nearest-color lookup - exact matches          0   exact color...
-   [OK]          Nearest-color lookup - approximate            0   approximate...
-   [OK]          Nearest-color lookup - approximate            1   dark colors...
-   [OK]          nearest_of_list convenience wrapper           0   basic funct...
-   [OK]          nearest_of_list convenience wrapper           1   multiple ca...
-   [OK]          Perceptual distance in LAB space              0   red variants.
-   [OK]          Perceptual distance in LAB space              1   grayscale d...
-   [OK]          Perceptual distance in LAB space              2   blue variants.
- 
- Full test results in `~/.opam/5.4.0/.opam-switch/build/spectrum_palette_ppx.1.0.0.alpha2/_build/default/lib/spectrum_palette_ppx/test/_build/_tests/Palette'.
- Test Successful in 0.002s. 12 tests run.
λ compiled  spectrum_palette_ppx.1.0.0.alpha2
⊘ removed   spectrum_palette_ppx.1.0.0.alpha2
∗ installed spectrum_palette_ppx.1.0.0.alpha2
Done.
2026-03-21 23:39.22 ---> saved as "86d691dc20deac51cda96672fbb6a7079267f0124782eb2381856405f7c257b1"
Job succeeded
2026-03-21 23:44.24: Job succeeded