2026-06-30 12:12.20: New job: test ahrefs/devkit https://github.com/ahrefs/devkit.git#refs/heads/master (ae85af087166afcc0811feddd737df503aaf3d48) (linux-x86_64:alpine-3.23-4.14_opam-2.5)Base: ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ahrefs/devkit.git" -b "master" && cd "devkit" && git reset --hard ae85af08cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387# alpine-3.23-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --chown=1000:1000 devkit.opam ./RUN opam pin add -yn devkit.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlzip.1.14 conf-libcurl.2 conf-libevent.1 conf-libpcre2-8.2 conf-pkg-config.5 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 curl.0.10.0 curl_lwt.0.10.0 dune.3.24.0 dune-compiledb.0.6.0 dune-configurator.3.24.0 extlib.1.8.0 extunix.0.4.4 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 libevent.0.9.0 lwt.6.1.2 lwt_ppx.6.1.0 num.1.6 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ocurl.transition ounit2.2.2.7 parsexp.v0.16.0 pcre2.8.0.4 ppx_derivers.1.2.1 ppxlib.0.38.0 seq.base sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 trace.0.12 uutf.1.0.4 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y devkit.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-30 12:12.20: Using cache hint "ahrefs/devkit-ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387-alpine-3.23-4.14_opam-2.5-a09c8ee4c4b8790e306a38c6bc80527e"2026-06-30 12:12.20: Using OBuilder spec:((from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387)(comment alpine-3.23-4.14_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --oneline"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))(copy (src devkit.opam) (dst ./))(run (network host)(shell "opam pin add -yn devkit.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlzip.1.14 conf-libcurl.2 conf-libevent.1 conf-libpcre2-8.2 conf-pkg-config.5 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 curl.0.10.0 curl_lwt.0.10.0 dune.3.24.0 dune-compiledb.0.6.0 dune-configurator.3.24.0 extlib.1.8.0 extunix.0.4.4 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 libevent.0.9.0 lwt.6.1.2 lwt_ppx.6.1.0 num.1.6 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ocurl.transition ounit2.2.2.7 parsexp.v0.16.0 pcre2.8.0.4 ppx_derivers.1.2.1 ppxlib.0.38.0 seq.base sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 trace.0.12 uutf.1.0.4 yojson.3.0.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y devkit.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-06-30 12:12.20: Waiting for resource in pool OCluster2026-06-30 12:16.01: Waiting for worker…2026-06-30 12:18.00: Got resource from pool OClusterBuilding on doris.caelum.ci.devAll commits already cachedHEAD is now at ae85af0 do not break uses of `Web.{show,simple}_result`(from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387)2026-06-30 12:29.13 ---> using "645db74cf2f6617db2ad81b0e818e4f1f9c438bf86fc197e2b1f68b1d3dfdf29" from cache/: (comment alpine-3.23-4.14_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-06-30 12:29.13 ---> using "cf8a7eb63fdaa4274d5ee8634b4a7b94f9670fcdafb4f064aa00246fcc10cd06" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADd6a960ed95..8cd35acddd master -> origin/master8cd35acddd Merge pull request #30092 from shonfeder/release-dune-3.24.02026-06-30 12:29.13 ---> using "ffb2c82bb9a7d3049593bee1d229b69a25bf8f3eb6a9cb195109202c63388521" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then 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 2.1 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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "ocaml-patches-overlay": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocurrent/opam-repository/': Could not resolve host: github.com (Could not contact DNS servers)"[default] synchronised from git+file:///home/opam/opam-repository2026-06-30 12:29.13 ---> using "29171594182fe17521f93e5d8ac1eb379e96ed60dd39eb192dfde03c1aa176d7" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 4.14.32.5.12026-06-30 12:29.13 ---> using "8323d25c7fa2a6a985007f1f0e37553c2dad7675522066a570c482512ed80cbf" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-30 12:29.13 ---> using "5932d2d79b6aa4cd1b1dae18d5b424469bc02da7af489a9113cf58a1141e45e0" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patchesEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).The following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.1- ocaml-config.3However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.1"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-06-30 12:29.13 ---> using "18887ee619e246a796fcdb6d18dae40516507678a993e9cb55d02fcfb9bd5dcb" from cache/src: (copy (src devkit.opam) (dst ./))2026-06-30 12:29.13 ---> saved as "612abcdb75b760a632f869c45417be7637219cdbd3a6118cf31c23ff1ec665e0"/src: (run (network host)(shell "opam pin add -yn devkit.dev './'"))[devkit.dev] synchronised (file:///src)devkit is now pinned to file:///src (version dev)2026-06-30 12:29.15 ---> saved as "bb58828abb5c20e3eefdb686a116db8f3f72777560404a9eee038f489c2ea1c3"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-30 12:29.15 ---> saved as "33095a1b88d1b7f2631f1770618889d94a42b5b39fdb1ad0e81f7c21dc2fce03"/src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlzip.1.14 conf-libcurl.2 conf-libevent.1 conf-libpcre2-8.2 conf-pkg-config.5 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 curl.0.10.0 curl_lwt.0.10.0 dune.3.24.0 dune-compiledb.0.6.0 dune-configurator.3.24.0 extlib.1.8.0 extunix.0.4.4 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 libevent.0.9.0 lwt.6.1.2 lwt_ppx.6.1.0 num.1.6 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ocurl.transition ounit2.2.2.7 parsexp.v0.16.0 pcre2.8.0.4 ppx_derivers.1.2.1 ppxlib.0.38.0 seq.base sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 trace.0.12 uutf.1.0.4 yojson.3.0.0")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y devkit.dev $DEPS"))+ /usr/bin/sudo "apk" "update"- v3.23.5-18-g32cc23bab49 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]- v3.23.5-18-g32cc23bab49 [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]- v3.24.0-1118-gfde89874b3d [https://dl-cdn.alpinelinux.org/alpine/edge/main]- v3.24.0-1121-g603c4bbf092 [https://dl-cdn.alpinelinux.org/alpine/edge/community]- v3.24.0-1118-gfde89874b3d [https://dl-cdn.alpinelinux.org/alpine/edge/testing]- OK: 62531 distinct packages available<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[devkit.dev] synchronised (file:///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 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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:curl-dev libevent-dev pcre2-dev zlib-dev<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/bin/sudo "apk" "add" "curl-dev" "libevent-dev" "pcre2-dev" "zlib-dev"- ( 1/25) Upgrading libcrypto3 (3.5.6-r0 -> 3.5.7-r0)- ( 2/25) Upgrading libssl3 (3.5.6-r0 -> 3.5.7-r0)- ( 3/25) Upgrading libcurl (8.17.0-r1 -> 8.19.0-r0)- ( 4/25) Upgrading curl (8.17.0-r1 -> 8.19.0-r0)- ( 5/25) Installing brotli (1.2.0-r0)- ( 6/25) Installing brotli-dev (1.2.0-r0)- ( 7/25) Installing c-ares-dev (1.34.6-r0)- ( 8/25) Installing libidn2-dev (2.3.8-r0)- ( 9/25) Installing libpsl-utils (0.21.5-r3)- (10/25) Installing libpsl-dev (0.21.5-r3)- (11/25) Installing nghttp2-dev (1.69.0-r0)- (12/25) Installing nghttp3-dev (1.13.1-r0)- (13/25) Installing openssl-dev (3.5.7-r0)- (14/25) Installing zlib-dev (1.3.2-r0)- (15/25) Installing zstd (1.5.7-r2)- (16/25) Installing zstd-dev (1.5.7-r2)- (17/25) Installing curl-dev (8.19.0-r0)- (18/25) Installing libevent (2.1.12-r8)- (19/25) Installing libevent-dev (2.1.12-r8)- (20/25) Installing bsd-compat-headers (0.7.2-r6)- (21/25) Installing libedit (20251016.3.1-r0)- (22/25) Installing libedit-dev (20251016.3.1-r0)- (23/25) Installing libpcre2-16 (10.47-r0)- (24/25) Installing libpcre2-32 (10.47-r0)- (25/25) Installing pcre2-dev (10.47-r0)- Executing busybox-1.37.0-r30.trigger- Executing ca-certificates-20260413-r0.trigger- OK: 346.6 MiB in 124 packages# To update the current shell environment, run: eval $(opam env)2026-06-30 12:29.26 ---> saved as "8f82dffbeae792bbdeaee976ac24c28ebc27f4613e8b1c41aa44bf7b2c2c8128"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(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 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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 45 packages- install astring 0.8.5- install base-bytes base- install camlzip 1.14- install conf-libcurl 2- install conf-libevent 1- install conf-libpcre2-8 2- install conf-pkg-config 5- install conf-zlib 1- install cppo 1.8.0- install csexp 1.5.2- install cstruct 6.2.0- install curl 0.10.0- install curl_lwt 0.10.0- install dune 3.24.0- install dune-compiledb 0.6.0- install dune-configurator 3.24.0- install extlib 1.8.0- install extunix 0.4.4- install ezjsonm 1.3.0- install fmt 0.11.0- install fpath 0.7.3- install hex 1.5.0- install jsonm 1.0.2- install libevent 0.9.0- install lwt 6.1.2- install lwt_ppx 6.1.0- install num 1.6- install ocaml-compiler-libs v0.12.4- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install ocurl transition (deprecated)- install ounit2 2.2.7- install parsexp v0.16.0- install pcre2 8.0.4- install ppx_derivers 1.2.1- install ppxlib 0.38.0- install seq base- install sexplib v0.16.0- install sexplib0 v0.16.0- install stdlib-shims 0.3.0- install topkg 1.1.1- install trace 0.12- install uutf 1.0.4- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved conf-pkg-config.5 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved camlzip.1.14 (cached)-> retrieved cppo.1.8.0 (cached)-> installed conf-libcurl.2-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved curl.0.10.0, curl_lwt.0.10.0, ocurl.transition (cached)-> installed conf-pkg-config.5-> retrieved dune-compiledb.0.6.0 (cached)-> retrieved extlib.1.8.0 (cached)-> installed conf-libevent.1-> installed conf-libpcre2-8.2-> installed conf-zlib.1-> retrieved extunix.0.4.4 (cached)-> retrieved ezjsonm.1.3.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved fpath.0.7.3 (cached)-> retrieved hex.1.5.0 (cached)-> retrieved jsonm.1.0.2 (cached)-> retrieved libevent.0.9.0 (cached)-> retrieved lwt.6.1.2 (cached)-> retrieved lwt_ppx.6.1.0 (cached)-> retrieved num.1.6 (cached)-> retrieved ocaml-compiler-libs.v0.12.4 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved ounit2.2.2.7 (cached)-> retrieved parsexp.v0.16.0 (cached)-> retrieved pcre2.8.0.4 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved sexplib.v0.16.0 (cached)-> retrieved sexplib0.v0.16.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved ppxlib.0.38.0 (cached)-> retrieved dune.3.24.0, dune-configurator.3.24.0 (cached)-> installed num.1.6-> installed ocamlbuild.0.16.1-> retrieved trace.0.12 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved yojson.3.0.0 (cached)-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed libevent.0.9.0-> installed camlzip.1.14-> installed topkg.1.1.1-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed jsonm.1.0.2-> installed fpath.0.7.3-> installed dune.3.24.0-> installed ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed ocaml-compiler-libs.v0.12.4-> installed sexplib0.v0.16.0-> installed stdlib-shims.0.3.0-> installed yojson.3.0.0-> installed ocplib-endian.1.2-> installed hex.1.5.0-> installed trace.0.12-> installed extlib.1.8.0-> installed ezjsonm.1.3.0-> installed ounit2.2.2.7-> installed dune-configurator.3.24.0-> installed parsexp.v0.16.0-> installed sexplib.v0.16.0-> installed dune-compiledb.0.6.0-> installed lwt.6.1.2-> installed pcre2.8.0.4-> installed curl.0.10.0-> installed curl_lwt.0.10.0-> installed ocurl.transition-> installed ppxlib.0.38.0-> installed lwt_ppx.6.1.0-> installed extunix.0.4.4Done.<><> ocurl.transition installed successfully ><><><><><><><><><><><><><><><><><>=> Note: This package is deprecated.=> ocurl has been renamed and the ocurl package is now a transition package. Use the curl package instead.# To update the current shell environment, run: eval $(opam env)2026-06-30 12:30.27 ---> saved as "401ac0d76cebb364333f2035900cb8aafb28778ae0a6e45a0fc04359e2291247"/src: (copy (src .) (dst /src))2026-06-30 12:30.28 ---> saved as "866438d31387d9c585183e8ccab15b9f8bedc4ea50a3a0572eb5fb659f988635"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I .devkit_core.objs/byte -I /home/opam/.opam/4.14/lib/curl -I /home/opam/.opam/4.14/lib/curl_lwt -I /home/opam/.opam/4.14/lib/extlib -I /home/opam/.opam/4.14/lib/extunix -I /home/opam/.opam/4.14/lib/libevent -I /home/opam/.opam/4.14/lib/lwt -I /home/opam/.opam/4.14/lib/lwt/unix -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/pcre2 -I /home/opam/.opam/4.14/lib/stdlib-shims -I /home/opam/.opam/4.14/lib/trace/core -I /home/opam/.opam/4.14/lib/yojson -I /home/opam/.opam/4.14/lib/zip -I ocamlnet_lite/.ocamlnet_lite.objs/byte -no-alias-deps -opaque -open Devkit_core -o .devkit_core.objs/byte/devkit_core__Lwt_engines.cmo -c -impl lwt_engines.ml)File "lwt_engines.ml", lines 37-76, characters 0-3:37 | object(self)38 | inherit Lwt_engine.abstract39 |40 | val events_ = Ev.init ()41 | val mutable pid = Unix.getpid ()...73 | Ev.add ev (Some delay);74 | lazy (stop := true; Ev.del ev)75 |76 | endError: This non-virtual class has virtual methods.The following methods are virtual : id"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-06-30 12:30.30: Job failed: Failed: Build failed