2026-01-16 13:57.59: New job: test tmcgilchrist/datalog https://github.com/tmcgilchrist/datalog.git#refs/heads/master (fa08cf6ce9371741a74bcd5f83509ee5c424ec71) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d Opam project build To reproduce locally: git clone --recursive "https://github.com/tmcgilchrist/datalog.git" -b "master" && cd "datalog" && git reset --hard fa08cf6c cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d # ubuntu-25.10-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 datalog.opam ./ RUN opam pin add -yn datalog.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.21.0 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 topkg.1.1.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y datalog.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-16 13:57.59: Using cache hint "tmcgilchrist/datalog-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d-ubuntu-25.10-5.4_opam-2.5-9e638395840dc0f145c492bd5b0cfa1b" 2026-01-16 13:57.59: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d) (comment ubuntu-25.10-5.4_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 (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 "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src datalog.opam) (dst ./)) (run (network host) (shell "opam pin add -yn datalog.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.21.0 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 topkg.1.1.1") (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 datalog.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")) ) 2026-01-16 13:57.59: Waiting for resource in pool OCluster 2026-01-16 17:19.40: Waiting for worker… 2026-01-16 17:24.17: Got resource from pool OCluster Building on clete All commits already cached HEAD is now at fa08cf6 Remove 32bit architectures. (from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d) Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d' locally docker.io/ocaml/opam@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d: Pulling from ocaml/opam 16c195d4c5e9: Already exists ea8d6f284f52: Already exists a590f1caf60c: Already exists 95a0aba17fe6: Already exists 24604fb30e30: Already exists bb7bc1b8d84e: Already exists b52bcdd4741a: Already exists 8c668707afec: Already exists c4692dd3f67a: Already exists 5eaf747da0d4: Already exists dacd9c5006da: Already exists f4da334a65ba: Already exists ac7668965f73: Already exists 34d1263af20a: Already exists a86b2aea8581: Already exists 32d4d471ed96: Already exists b77ed416f3dc: Already exists b77ed416f3dc: Already exists d1055a5d5025: Already exists 202c9ab5b2cc: Already exists 5c7364b10079: Already exists f1b0581b7244: Already exists 4f4fb700ef54: Already exists 9fa3330063e0: Already exists 2713ff50a5c7: Already exists 42b31df89324: Already exists cccb2a33229d: Already exists f9eb1b0ba386: Already exists cfa1b801ea0b: Already exists 731be0d7062d: Already exists 75483806616d: Already exists 61d580994fd0: Already exists 369979efbe7c: Already exists 3dcb2f554fbb: Already exists e1eaa3dbc066: Already exists bb45476b0f8e: Already exists 530fce115371: Already exists fb7cddf53135: Already exists fd3c4ec2a132: Already exists 809886565a24: Already exists b7adeb70e5d2: Already exists 93d6b25a0f2c: Already exists b7f94c26092e: Already exists 2f3c581aea92: Already exists 7c0e80be0075: Already exists 75b2f1ee103f: Already exists 5b17a385367e: Already exists d4ded4b7f699: Already exists Digest: sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d Status: Downloaded newer image for ocaml/opam@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d 2026-01-16 17:24.18 ---> using "af32c03474fe19e80e592c8693340c8ce6655469affb5fd3412b6c6978beb304" from cache /: (comment ubuntu-25.10-5.4_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")) 2026-01-16 17:24.18 ---> using "48ca1be731ec09fa9fcf51eb3c760bbe808657f16675c4adc3c7616d0ca1628a" 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 2.0 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 2026-01-16 17:24.18 ---> using "54834730e5f1ef7889eb8abe62f024973502919b990d0be6ecd40fc47d38fbbf" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-01-16 17:24.18 ---> using "3e6a607d767caf9a7be377c7cbb1abf80ab9aacf5c9cbcdd190a786907db7f65" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-16 17:24.18 ---> using "1203abad3b4e5797f4c1fa2491ba5736556317f6d5986a0b7b75b6407db4b5a4" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD a6b2f19780..92679ed614 master -> origin/master 873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-16 17:24.18 ---> using "faccaacc4ef9fb2c3c44ad662cd923586e88f3a431cbaa949a4dde291382b397" from cache /src: (copy (src datalog.opam) (dst ./)) 2026-01-16 17:24.18 ---> saved as "f3856510515b13f1d9a15535b93ed11524614d495742145d6a53dceb88aa36fe" /src: (run (network host) (shell "opam pin add -yn datalog.dev './'")) [datalog.dev] synchronised (file:///src) datalog is now pinned to file:///src (version dev) 2026-01-16 17:24.23 ---> saved as "d5aefda40f4e4985ea3cecf56df2dcbb8061690edc144c7a6b5400119bc72630" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-16 17:24.23 ---> saved as "eb2256885c32132792e5057448b068e16b531f4fb27867ca3ce25b3794070469" /src: (env DEPS "astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.21.0 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 topkg.1.1.1") /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 datalog.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://archive.ubuntu.com/ubuntu questing InRelease - Get:2 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB] - Get:3 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB] - Get:4 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB] - Get:5 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [295 kB] - Get:6 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [169 kB] - Get:7 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [114 kB] - Get:8 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [120 kB] - Get:9 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [174 kB] - Fetched 1277 kB in 3s (380 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [datalog.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 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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-nnp is already installed (current version is base). [NOTE] Package base-effects is already installed (current version is base). [NOTE] Package base-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). # To update the current shell environment, run: eval $(opam env) 2026-01-16 17:24.50 ---> saved as "1861f3d1cc37227dca74257aad445bdc20af381d0ab348a78591015951601d34" /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 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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-nnp is already installed (current version is base). [NOTE] Package base-effects is already installed (current version is base). [NOTE] Package base-domains 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 15 packages - install astring 0.8.5 - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.21.0 - install fmt 0.11.0 - install logs 0.10.0 - install mdx 2.5.1 - install ocaml-version 4.0.3 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install re 1.14.0 - install result 1.5 - install topkg 1.1.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved ocaml-version.4.0.3 (cached) -> retrieved mdx.2.5.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved re.1.14.0 (cached) -> retrieved result.1.5 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.21.0 (cached) -> installed cmdliner.2.1.0 -> installed ocamlfind.1.9.8 -> installed ocamlbuild.0.16.1 -> installed topkg.1.1.1 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.21.0 -> installed result.1.5 -> installed csexp.1.5.2 -> installed ocaml-version.4.0.3 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed re.1.14.0 -> installed mdx.2.5.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-16 17:26.30 ---> saved as "045d7f13c1136c94e5610b919f12f0e1207b559411bc27c6e74dea867603d8f7" /src: (copy (src .) (dst /src)) 2026-01-16 17:26.31 ---> saved as "7e816b4ef6c787439251bca05f30f891dca9e8d4a83760fd546f32f63098f3d7" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/5.4/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 -color always -safe-string -warn-error -a+8 -g -bin-annot -bin-annot-occurrences -I src/top_down/.datalog_top_down.objs/byte -I src/bottom_up/.datalog.objs/byte -cmi-file src/top_down/.datalog_top_down.objs/byte/datalog_top_down.cmi -no-alias-deps -opaque -open Datalog_top_down__ -o src/top_down/.datalog_top_down.objs/byte/datalog_top_down.cmo -c -impl src/top_down/Datalog_top_down.ml) File "src/top_down/Datalog_top_down.ml", line 1681, characters 10-17: 1681 | let new_var = ^^^^^^^ Warning 26 [unused-var]: unused variable new_var. (cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -color always -safe-string -warn-error -a+8 -g -I src/top_down/.datalog_top_down.objs/byte -I src/top_down/.datalog_top_down.objs/native -I src/bottom_up/.datalog.objs/byte -I src/bottom_up/.datalog.objs/native -cmi-file src/top_down/.datalog_top_down.objs/byte/datalog_top_down.cmi -no-alias-deps -opaque -open Datalog_top_down__ -o src/top_down/.datalog_top_down.objs/native/datalog_top_down.cmx -c -impl src/top_down/Datalog_top_down.ml) File "src/top_down/Datalog_top_down.ml", line 1681, characters 10-17: 1681 | let new_var = ^^^^^^^ Warning 26 [unused-var]: unused variable new_var. 2026-01-16 17:26.40 ---> saved as "d73c2b4ee2920e8627f1716e03fb2dc65d34b5f19bf7ed820a354bfea8521af8" Job succeeded 2026-01-16 17:26.40: Job succeeded