2026-03-19 08:03.36: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (macos-x86_64:macos-homebrew-4.14_opam-2.5)Base: macos-homebrew-ocaml-4.14Opam project buildTo reproduce locally:git clone --recursive "https://github.com/jmid/mutaml.git" -b "main" && cd "mutaml" && git reset --hard 783831dccat > Dockerfile <<'END-OF-DOCKERFILE'FROM macos-homebrew-ocaml-4.14# macos-homebrew-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 mutaml.opam ./src/./RUN opam pin add -yn mutaml.dev './src/./'RUN echo '(lang dune 3.0)' > './src/./dune-project'ENV DEPS="base.v0.16.4 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.16.0 ppx_yojson_conv.v0.16.0 ppx_yojson_conv_lib.v0.16.0 ppxlib.0.35.0 seq.base sexplib0.v0.16.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . ./srcRUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-19 08:03.36: Using cache hint "jmid/mutaml-macos-homebrew-ocaml-4.14-macos-homebrew-4.14_opam-2.5-b225ef64f2b0b8e6a6814f457b4793c3"2026-03-19 08:03.36: Using OBuilder spec:((from macos-homebrew-ocaml-4.14)(comment macos-homebrew-4.14_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src mutaml.opam) (dst ./src/./))(run (network host)(shell "opam pin add -yn mutaml.dev './src/./'"))(run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))(env DEPS "base.v0.16.4 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.16.0 ppx_yojson_conv.v0.16.0 ppx_yojson_conv_lib.v0.16.0 ppxlib.0.35.0 seq.base sexplib0.v0.16.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPS"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst ./src))(run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-03-19 08:03.36: Waiting for resource in pool OCluster2026-03-19 08:03.36: Waiting for worker…2026-03-19 10:07.42: Got resource from pool OClusterBuilding on i7-worker-03All commits already cachedHEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5(from macos-homebrew-ocaml-4.14)2026-03-19 10:07.43 ---> using "0c60f117aee57abea8364cb033d47bb1d63ff0f68e5ee97378e032498e8442af" from cache/: (comment macos-homebrew-4.14_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))2026-03-19 10:07.44 ---> using "75b1629629d7f21c50a7e1e39b2ef83e2edb8ace81aab34254c0c8782b814749" from cache/: (run (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 /Users/mac1000/.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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///Users/mac1000/opam-repository2026-03-19 10:07.44 ---> using "a61e945ab7671a6fff400f946e3fe88df4d67a783ea1f56fa59dc21595ef1b19" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 4.14.22.5.02026-03-19 10:07.44 ---> using "11a9923a4c4f0ab256d15330129e4c4938459d2e6239eb4f7bdf0f2620300e09" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD95f7875db7..9f189ca4f9 master -> origin/master9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryEverything as up-to-date as possibleThe following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.0- ocaml-config.3However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-03-19 10:07.45 ---> using "2ff5904eee6d78a2e0a2172e50a82fa4df9bdae63778786871d1ae36e3f13afd" from cache/: (copy (src mutaml.opam) (dst ./src/./))2026-03-19 10:07.46 ---> saved as "90febc84156a3a495000c0ea97d0e640d4d3f8fb82fdcc611c615c4a575fd97a"/: (run (network host)(shell "opam pin add -yn mutaml.dev './src/./'"))[mutaml.dev] synchronised (file:///Users/mac1000/src)mutaml is now pinned to file:///Users/mac1000/src (version dev)2026-03-19 10:07.59 ---> saved as "860b82b52edf09a8b64d9f86ad3e77bc5a277d5b82af0e38c6ec7bcf797a01ee"/: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-03-19 10:08.01 ---> saved as "1977892149157abadcdce41bcbb558872c3fc39750326a1989228924bc0eb513"/: (env DEPS "base.v0.16.4 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.16.0 ppx_yojson_conv.v0.16.0 ppx_yojson_conv_lib.v0.16.0 ppxlib.0.35.0 seq.base sexplib0.v0.16.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0")/: (env CI true)/: (env OCAMLCI true)/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPS"))+ /usr/local/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mutaml.dev] synchronised (file:///Users/mac1000/src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following system packages will first need to be installed:coreutils diffutils<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/local/bin/brew "install" "coreutils" "diffutils"- ==> Fetching downloads for: coreutils and diffutils- ✔︎ Bottle Manifest coreutils (9.10)- ✔︎ Bottle Manifest diffutils (3.12)- ✔︎ Bottle Manifest diffutils (3.12)- ✔︎ Bottle Manifest gmp (6.3.0)- ✔︎ Bottle gmp (6.3.0)- ✔︎ Bottle diffutils (3.12)- ✔︎ Bottle coreutils (9.10)- ==> Installing coreutils dependency: gmp- ==> Pouring gmp--6.3.0.sequoia.bottle.tar.gz- 🍺 /usr/local/Cellar/gmp/6.3.0: 22 files, 3.4MB- ==> Pouring coreutils--9.10.sonoma.bottle.tar.gz- ==> Caveats- Commands also provided by macOS and the commands dir, dircolors, vdir have been installed with the prefix "g".- If you need to use these commands with their normal names, you can add a "gnubin" directory to your PATH with:- PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"- ==> Summary- 🍺 /usr/local/Cellar/coreutils/9.10: 457 files, 9.7MB- ==> Running `brew cleanup coreutils`...- Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`.- Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`).- ==> Pouring diffutils--3.12.sonoma.bottle.tar.gz- 🍺 /usr/local/Cellar/diffutils/3.12: 18 files, 867.2KB- ==> Running `brew cleanup diffutils`...- ==> Caveats- ==> coreutils- Commands also provided by macOS and the commands dir, dircolors, vdir have been installed with the prefix "g".- If you need to use these commands with their normal names, you can add a "gnubin" directory to your PATH with:- PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"# To update the current shell environment, run: eval $(opam env)2026-03-19 10:08.50 ---> saved as "a77dc4a58364d6a0b52d83698809cf37afd182aced10afdbbb70b5e0ef36c369"/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 22 packages- install base v0.16.4- install conf-diffutils 2- install conf-timeout 1- install cppo 1.8.0- install csexp 1.5.2- install dune 3.22.0- install dune-configurator 3.22.0- install ocaml-compiler-libs v0.12.4- install ocamlfind 1.9.8- install octavius 1.2.2- install ounit2 2.2.7- install ppx_derivers 1.2.1- install ppx_deriving 6.0.3- install ppx_js_style v0.16.0- install ppx_yojson_conv v0.16.0- install ppx_yojson_conv_lib v0.16.0- install ppxlib 0.35.0- install seq base- install sexplib0 v0.16.0- install stdlib-random 1.2.0- install stdlib-shims 0.3.0- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> installed conf-timeout.1-> installed conf-diffutils.2-> retrieved csexp.1.5.2 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved base.v0.16.4 (cached)-> retrieved ocaml-compiler-libs.v0.12.4 (cached)-> retrieved octavius.1.2.2 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ounit2.2.2.7 (cached)-> retrieved ppx_deriving.6.0.3 (cached)-> retrieved ppx_js_style.v0.16.0 (cached)-> retrieved ppx_yojson_conv.v0.16.0 (cached)-> retrieved ppx_yojson_conv_lib.v0.16.0 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved sexplib0.v0.16.0 (cached)-> retrieved stdlib-random.1.2.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved ppxlib.0.35.0 (cached)-> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached)-> installed ocamlfind.1.9.8-> installed dune.3.22.0-> installed stdlib-shims.0.3.0-> installed ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed ounit2.2.2.7-> installed yojson.3.0.0-> installed sexplib0.v0.16.0-> installed octavius.1.2.2-> installed ocaml-compiler-libs.v0.12.4-> installed cppo.1.8.0-> installed ppx_yojson_conv_lib.v0.16.0-> installed stdlib-random.1.2.0-> installed dune-configurator.3.22.0-> installed base.v0.16.4-> installed ppxlib.0.35.0-> installed ppx_js_style.v0.16.0-> installed ppx_deriving.6.0.3-> installed ppx_yojson_conv.v0.16.0Done.# To update the current shell environment, run: eval $(opam env)2026-03-19 10:10.43 ---> saved as "2197f5eda4062f86c38af20e4409886f0c4d93f12d94b2565817fe50d16adc34"/: (copy (src .) (dst ./src))2026-03-19 10:10.45 ---> saved as "ac779f63e8174fc4f641ad670ec717e1ef82da4e28fdb149f51f866d46f02907"/: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/examples/testproj-1-module && ./ounittest.exe)....Ran: 4 tests in: 0.10 seconds.OK(cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe)..Ran: 2 tests in: 0.10 seconds.OKFile "test/issue-newlines.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/issue-newlines.t/run.t _build/default/test/issue-newlines.t/run.t.correcteddiff --git a/_build/default/test/issue-newlines.t/run.t b/_build/default/test/issue-newlines.t/run.t.correctedindex aa84ce6..4bf8ac6 100644--- a/_build/default/test/issue-newlines.t/run.t+++ b/_build/default/test/issue-newlines.t/run.t.corrected@@ -53,7 +53,7 @@ Set seed and (full) mutation rate as environment variables, for repeatability$ ls _builddefault- log+ trace.csexp$ ls _build/defaultmutaml-mut-files.txtFile "test/issue-attributes.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/issue-attributes.t/run.t _build/default/test/issue-attributes.t/run.t.correcteddiff --git a/_build/default/test/issue-attributes.t/run.t b/_build/default/test/issue-attributes.t/run.t.correctedindex f01a6b8..637c26a 100644--- a/_build/default/test/issue-attributes.t/run.t+++ b/_build/default/test/issue-attributes.t/run.t.corrected@@ -42,7 +42,7 @@ Set seed and (full) mutation rate as environment variables, for repeatability$ ls _builddefault- log+ trace.csexp$ ls _build/defaultmutaml-mut-files.txtFile "test/issue-pattern-match.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/issue-pattern-match.t/run.t _build/default/test/issue-pattern-match.t/run.t.correcteddiff --git a/_build/default/test/issue-pattern-match.t/run.t b/_build/default/test/issue-pattern-match.t/run.t.correctedindex b47e514..10eb9f3 100644--- a/_build/default/test/issue-pattern-match.t/run.t+++ b/_build/default/test/issue-pattern-match.t/run.t.corrected@@ -71,7 +71,7 @@ Set seed and (full) mutation rate as environment variables, for repeatability$ ls _builddefault- log+ trace.csexp$ ls _build/defaultmutaml-mut-files.txtFile "test/issue-stdlib-equal.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/issue-stdlib-equal.t/run.t _build/default/test/issue-stdlib-equal.t/run.t.correcteddiff --git a/_build/default/test/issue-stdlib-equal.t/run.t b/_build/default/test/issue-stdlib-equal.t/run.t.correctedindex 0393bdf..a671915 100644--- a/_build/default/test/issue-stdlib-equal.t/run.t+++ b/_build/default/test/issue-stdlib-equal.t/run.t.corrected@@ -52,7 +52,7 @@ Set seed and (full) mutation rate as environment variables, for repeatability$ ls _builddefault- log+ trace.csexp$ ls _build/defaultmutaml-mut-files.txtFile "test/testproj-2-modules.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/testproj-2-modules.t/run.t _build/default/test/testproj-2-modules.t/run.t.correcteddiff --git a/_build/default/test/testproj-2-modules.t/run.t b/_build/default/test/testproj-2-modules.t/run.t.correctedindex dbd7d70..f92de9a 100644--- a/_build/default/test/testproj-2-modules.t/run.t+++ b/_build/default/test/testproj-2-modules.t/run.t.corrected@@ -19,27 +19,27 @@ Set seed and (full) mutation rate as environment variables, for repeatability$ export MUTAML_MUT_RATE=100$ bash ../filter_dune_build.sh test/ounittest.exe --instrument-with mutaml- Running mutaml instrumentation on "src/lib1.ml"- Randomness seed: 896745231 Mutation rate: 100 GADTs enabled: true- Created 3 mutations of src/lib1.ml- Writing mutation info to src/lib1.mutsRunning mutaml instrumentation on "src/lib2.ml"Randomness seed: 896745231 Mutation rate: 100 GADTs enabled: trueCreated 6 mutations of src/lib2.mlWriting mutation info to src/lib2.muts+ Running mutaml instrumentation on "src/lib1.ml"+ Randomness seed: 896745231 Mutation rate: 100 GADTs enabled: true+ Created 3 mutations of src/lib1.ml+ Writing mutation info to src/lib1.muts$ mutaml-runner _build/default/test/ounittest.exe- read mut file src/lib1.mutsread mut file src/lib2.muts- Testing mutant src/lib1:0 ... failed- Testing mutant src/lib1:1 ... failed- Testing mutant src/lib1:2 ... failed+ read mut file src/lib1.mutsTesting mutant src/lib2:0 ... passedTesting mutant src/lib2:1 ... passedTesting mutant src/lib2:2 ... passedTesting mutant src/lib2:3 ... failedTesting mutant src/lib2:4 ... failedTesting mutant src/lib2:5 ... failed+ Testing mutant src/lib1:0 ... failed+ Testing mutant src/lib1:1 ... failed+ Testing mutant src/lib1:2 ... failedWriting report data to mutaml-report.json$ mutaml-reportFile "test/testproj-1-module.t/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/testproj-1-module.t/run.t _build/default/test/testproj-1-module.t/run.t.correcteddiff --git a/_build/default/test/testproj-1-module.t/run.t b/_build/default/test/testproj-1-module.t/run.t.correctedindex d6bb955..929337f 100644--- a/_build/default/test/testproj-1-module.t/run.t+++ b/_build/default/test/testproj-1-module.t/run.t.corrected@@ -471,8 +471,8 @@ Create a dune-workspace file with another build context:_build:default- logmutation+ trace.csexp_mutations:lib.ml-mutant12"/usr/bin/env" "bash" "-c" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-03-19 10:11.37: Job failed: Failed: Build failed