2026-01-27 07:19.43: New job: test mirage/ocaml-tar https://github.com/mirage/ocaml-tar.git#refs/heads/main (bbb19985822cae634319f9eb1ff16f236e97d206) (linux-x86_64:ubuntu-25.04-4.14_opam-2.5) Base: ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14 Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/ocaml-tar.git" -b "main" && cd "ocaml-tar" && git reset --hard bbb19985 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14 # ubuntu-25.04-4.14_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 tar.opam tar-eio.opam ./ RUN opam pin add -yn tar.dev './' && \ opam pin add -yn tar-eio.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base-bigarray.base base-threads.base base-unix.base checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 decompress.1.5.3 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 optint.0.3.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y tar.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-27 07:19.43: Using cache hint "mirage/ocaml-tar-ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14-ubuntu-25.04-4.14_opam-2.5-bd538eed072c29d880783792e9cf5e0b" 2026-01-27 07:19.43: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14) (comment ubuntu-25.04-4.14_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 (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 tar.opam tar-eio.opam) (dst ./)) (run (network host) (shell "opam pin add -yn tar.dev './' && \ \nopam pin add -yn tar-eio.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base-bigarray.base base-threads.base base-unix.base checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 decompress.1.5.3 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 optint.0.3.0") (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 tar.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 --only-packages=tar @install @check @runtest && rm -rf _build")) ) 2026-01-27 07:19.43: Waiting for resource in pool OCluster 2026-01-27 07:22.00: Waiting for worker… 2026-01-27 07:24.25: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at bbb1998 Apply formatting and sync changes (from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14) Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14' locally docker.io/ocaml/opam@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14: Pulling from ocaml/opam c62190a9ab61: Already exists 40711a051401: Already exists c085f5ff2319: Already exists 412ed4068436: Already exists 2f55881e7c17: Already exists 208628d88256: Already exists 15e39b9245ec: Already exists dd37ca65b191: Already exists 6eed2619f1f0: Already exists 220a6634738b: Already exists 5ae888d7638a: Already exists 99610966bbbb: Already exists 98b09a045b22: Already exists 2c04c9e7274a: Already exists 839afca287cc: Already exists ccf7dd9d1cbf: Already exists b6ea8c876c09: Already exists b6ea8c876c09: Already exists 15f333aabb94: Already exists 477b7eb2609b: Already exists 3326c27d9244: Already exists b8cb47717717: Already exists 4f4fb700ef54: Already exists 2e070f5cd521: Already exists 94b1b55e95dc: Already exists 07aa22141608: Already exists d7bb015da553: Already exists 9d41ae5c57e0: Already exists 85a0ef716932: Already exists ca92d3abca91: Already exists e8a350942cff: Already exists a308a5ee6283: Already exists 902174a11eba: Already exists 2f1e88d133e2: Already exists e5494899f718: Already exists 4bdfe959d160: Already exists 07634e87d0e8: Already exists cb0f432311ea: Already exists 49552e721ed7: Already exists 37b0c9e8febd: Already exists bb37d1c599f3: Already exists d8558bdd35b8: Pulling fs layer c14f5ad6c755: Pulling fs layer 5b2edbf5da17: Pulling fs layer 96a20d219a97: Pulling fs layer 96a20d219a97: Waiting c14f5ad6c755: Verifying Checksum c14f5ad6c755: Download complete 5b2edbf5da17: Verifying Checksum 5b2edbf5da17: Download complete 96a20d219a97: Download complete d8558bdd35b8: Verifying Checksum d8558bdd35b8: Download complete d8558bdd35b8: Pull complete c14f5ad6c755: Pull complete 5b2edbf5da17: Pull complete 96a20d219a97: Pull complete Digest: sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14 Status: Downloaded newer image for ocaml/opam@sha256:863dda63d8d9d4b752c550777d3338cee2095ba25ff8114fc5688b1917f69f14 2026-01-27 07:30.46 ---> using "a087cecdfee3c27a6dfd3b374223c58ceb06bb9197e0c5bfa09038c2912fa098" from cache /: (comment ubuntu-25.04-4.14_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")) 2026-01-27 07:30.46 ---> using "6628fbaea287be085c1f69116897fa244551695563234cf2a0f2968080bfffcf" 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 [NOTE] The 'jobs' option was reset, its value was 255 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=255 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-27 07:30.46 ---> using "43b1664771e209c70664e1c4d4aa5215ea00316c213140908fe7d3a3067627b7" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-01-27 07:30.46 ---> using "e35201de726e6dcd60ed7658644b5fcf073701a2f448ca0d0784cb8c684ccdfa" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-27 07:30.46 ---> using "535b3512bf68b6720e90bebbd91312926b30294524d6e2ff60bb8bd88cd1b86d" 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")) 873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-27 07:30.46 ---> using "6083635e3d777ee134de196f4de170dc5d91d1e6ca4145471335a3aa16176a64" from cache /src: (copy (src tar.opam tar-eio.opam) (dst ./)) 2026-01-27 07:30.47 ---> saved as "ea7c5f6e6c9dce0a3d4f6ec976a27979abcdfd363dffcc5f6bf606e7fd1a3ab4" /src: (run (network host) (shell "opam pin add -yn tar.dev './' && \ \nopam pin add -yn tar-eio.dev './'")) [tar.dev] synchronised (file:///src) tar is now pinned to file:///src (version dev) [tar-eio.dev] synchronised (file:///src) tar-eio is now pinned to file:///src (version dev) 2026-01-27 07:30.54 ---> saved as "161036543d361d271dd4ef4fa8522ba60018e48ad4b12ec0f03bb8d004463f70" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-27 07:30.55 ---> saved as "6f58a63661f5f0d858842f868547279a2dcb26012416abf8286c79d32a749b56" /src: (env DEPS "base-bigarray.base base-threads.base base-unix.base checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 decompress.1.5.3 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 optint.0.3.0") /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 tar.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease - Get:2 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB] - Get:3 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB] - Get:5 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [452 kB] - Get:6 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [233 kB] - Get:7 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [325 kB] - Get:8 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [363 kB] - Get:9 http://security.ubuntu.com/ubuntu plucky-security/restricted amd64 Packages [330 kB] - Get:10 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [290 kB] - Fetched 2371 kB in 1s (2075 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [tar.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 4.14.2). [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). # To update the current shell environment, run: eval $(opam env) 2026-01-27 07:31.16 ---> saved as "27543d66a95cd4772bfe953f96d124d6c6ca19e87f99982942cb6c59c24416bc" /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 4.14.2). [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 7 packages - install checkseum 0.5.2 - install cmdliner 2.1.0 - install csexp 1.5.2 - install decompress 1.5.3 - install dune 3.21.0 - install dune-configurator 3.21.0 - install optint 0.3.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved checkseum.0.5.2 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved decompress.1.5.3 (cached) -> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached) -> installed cmdliner.2.1.0 -> installed dune.3.21.0 -> installed csexp.1.5.2 -> installed optint.0.3.0 -> installed dune-configurator.3.21.0 -> installed checkseum.0.5.2 -> installed decompress.1.5.3 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-27 07:32.24 ---> saved as "6c93c2076c1a020a6d09a913abca1d2dd021e37cfffbda36478b8606130795bd" /src: (copy (src .) (dst /src)) 2026-01-27 07:32.24 ---> saved as "15ab34b9bf5cfe3907fc46644297521727071ee20f6217475fb9e389f02415ba" /src: (run (shell "opam exec -- dune build --only-packages=tar @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 lib/.tar.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o lib/.tar.objs/byte/tar.cmo -c -impl lib/tar.ml) File "lib/tar.ml", line 30, characters 5-18: 30 | open Result.Syntax ^^^^^^^^^^^^^ Error: Unbound module Result.Syntax (cd _build/default && /home/opam/.opam/4.14/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 -g -I lib/.tar.objs/byte -I lib/.tar.objs/native -intf-suffix .ml -no-alias-deps -opaque -o lib/.tar.objs/native/tar.cmx -c -impl lib/tar.ml) File "lib/tar.ml", line 30, characters 5-18: 30 | open Result.Syntax ^^^^^^^^^^^^^ Error: Unbound module Result.Syntax "/usr/bin/env" "bash" "-c" "opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _build" failed with exit status 1 2026-01-27 07:32.25: Job failed: Failed: Build failed