Building on bremusa.ocamllabs.io (from ocaml/opam:debian-unstable) Unable to find image 'ocaml/opam:debian-unstable' locally debian-unstable: Pulling from ocaml/opam Digest: sha256:867738023289fd26cdb69fad77687cf4ed3a8bf60dcddabdf3cc53c705746fd2 Status: Downloaded newer image for ocaml/opam:debian-unstable 2025-08-07 08:22.38 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" from cache /: (user (uid 1000) (gid 1000)) /: (env OPAMPRECISETRACKING 1) /: (env OPAMUTF8 never) /: (env OPAMEXTERNALSOLVER builtin-0install) /: (env OPAMCRITERIA +removed) /: (env CI true) /: (env OPAM_HEALTH_CHECK_CI true) /: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam")) 2025-08-07 08:22.38 ---> using "40df4fa4cdfc68a5fa7a326047e82a7adc5df52b8059d4a7b745bdd50aad56e7" from cache /: (run (network host) (shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q 06a1064b82e87c7ef006235ec98f1c89487892c9")) 2025-08-07 08:22.38 ---> using "190c02cbe0dbf4a8b0af5361aa9e25640f87291c4fe861cc6cf855e0fda3a8c0" from cache /: (run (shell "rm -rf ~/.opam && opam init -ya --bare --config ~/.opamrc-sandbox ~/opam-repository")) Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally 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. <><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><> [default] Initialised User configuration: ~/.profile is already up-to-date. [NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc. 2025-08-07 08:22.38 ---> using "012c52728bded521bf1d53a4382a5dac829cfe1a6f3ed7b53cc733c53b2d91cb" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "sudo apt update && sudo apt install autoconf -y")) WARNING: apt does not have a stable CLI interface. Use with caution in scripts. Get:1 http://deb.debian.org/debian unstable InRelease [216 kB] Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-08-07-0205.44-F-2025-08-02-0804.37.pdiff [69.1 kB] Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-08-07-0205.44-F-2025-08-02-0804.37.pdiff [69.1 kB] Fetched 348 kB in 2s (146 kB/s) Reading package lists... Building dependency tree... Reading state information... 4 packages can be upgraded. Run 'apt list --upgradable' to see them. WARNING: apt does not have a stable CLI interface. Use with caution in scripts. Reading package lists... Building dependency tree... Reading state information... Installing: autoconf Installing dependencies: automake autotools-dev m4 Suggested packages: autoconf-archive gnu-standards autoconf-doc libtool gettext m4-doc Summary: Upgrading: 0, Installing: 4, Removing: 0, Not Upgrading: 4 Download size: 1710 kB Space needed: 5051 kB / 219 GB available Get:1 http://deb.debian.org/debian unstable/main amd64 m4 amd64 1.4.19-8 [294 kB] Get:2 http://deb.debian.org/debian unstable/main amd64 autoconf all 2.72-3.1 [494 kB] Get:3 http://deb.debian.org/debian unstable/main amd64 autotools-dev all 20240727.1 [60.2 kB] Get:4 http://deb.debian.org/debian unstable/main amd64 automake all 1:1.17-4 [862 kB] Fetched 1710 kB in 0s (21.5 MB/s) Selecting previously unselected package m4. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20685 files and directories currently installed.) Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ... Unpacking m4 (1.4.19-8) ... Selecting previously unselected package autoconf. Preparing to unpack .../autoconf_2.72-3.1_all.deb ... Unpacking autoconf (2.72-3.1) ... Selecting previously unselected package autotools-dev. Preparing to unpack .../autotools-dev_20240727.1_all.deb ... Unpacking autotools-dev (20240727.1) ... Selecting previously unselected package automake. Preparing to unpack .../automake_1%3a1.17-4_all.deb ... Unpacking automake (1:1.17-4) ... Setting up m4 (1.4.19-8) ... Setting up autotools-dev (20240727.1) ... Setting up autoconf (2.72-3.1) ... Setting up automake (1:1.17-4) ... update-alternatives: using /usr/bin/automake-1.17 to provide /usr/bin/automake (automake) in auto mode 2025-08-07 08:22.38 ---> using "159374d4dfbeb7f87b486ade5afe9a00b3d6b0bdba42573a1887cdb5e30fe45b" from cache /: (run (network host) (shell "git clone -q 'https://github.com/oxcaml/opam-repository' ~/'oxcaml' && git -C ~/'oxcaml' checkout -q 29656e8e76b4441b5b62db11d35d193e380298ca")) 2025-08-07 08:22.38 ---> using "b5848cf3bbbc0c4981e5d5e3d9bcec3b4c6b4225e188081cd30294eec97db7b4" from cache /: (run (shell "opam repository add --dont-select 'oxcaml' ~/'oxcaml'")) [oxcaml] Initialised 2025-08-07 08:22.38 ---> using "c846a1cc387dcbe1a71e6838f59ad7ff1920eabe18952f84a40fd0b2a4641443" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam switch create --repositories=oxcaml,default '5.2.0+flambda2' '5.2.0+ox'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-variants" {= "5.2.0+ox"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-config.3 (cached) -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> installed conf-autoconf.0.2 -> installed conf-which.1 -> retrieved ocaml-variants.5.2.0+ox (https://github.com/oxcaml/oxcaml/archive/refs/tags/5.2.0minus-11-opam.tar.gz) -> installed ocaml-variants.5.2.0+ox -> installed ocaml-config.3 -> installed ocaml.5.2.0 -> installed base-domains.base -> installed base-nnp.base Done. # To update the current shell environment, run: eval $(opam env --switch=5.2.0+flambda2) 2025-08-07 08:22.38 ---> using "059e4c8d9fde813aed5ba328af1b91f6cd5242b6bc0b704a2be07cd5d14bb4e8" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://deb.debian.org/debian unstable InRelease - Reading package lists... 2025-08-07 08:22.38 ---> using "7b9500581933009c35fa6ed9ef22a28eda258d356f0b06a637af33ddf697e0af" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam remove -y optiml-transport.0.0.1\ \nopam install -vy optiml-transport.0.0.1\ \nres=$?\ \nif [ $res = 31 ]; then\ \n if opam show -f x-ci-accept-failures: optiml-transport.0.0.1 | grep -q 'debian-unstable'; then\ \n echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\ \n exit 69\ \n fi\ \nfi \ \n\ \n\ \nexit $res")) [NOTE] optiml-transport.0.0.1 is not installed. Nothing to do. The following actions will be performed: === install 2 packages - install dune 3.19.1 [required by optiml-transport] - install optiml-transport 0.0.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> Processing 1/6: [dune.3.19.1: extract] Processing 2/6: [dune.3.19.1: extract] [optiml-transport.0.0.1: extract] -> retrieved optiml-transport.0.0.1 (cached) Processing 2/6: [dune.3.19.1: extract] -> retrieved dune.3.19.1 (cached) Processing 3/6: [dune: ocaml 71] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "boot/bootstrap.ml" "-j" "71" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune.3.19.1) - ocamlc -output-complete-exe -w -24 -g -o .duneboot.exe -I boot -I +unix unix.cma boot/libs.ml boot/duneboot.ml - ./.duneboot.exe -j 71 - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads ocamlc_loc.mli - File "otherlibs/ocamlc-loc/src/ocamlc_loc.mli", line 1, characters 4-9: - Warning 53 [misplaced-attribute]: the "alert" attribute cannot appear in this context - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads stdune__Code_error.ml - File "otherlibs/stdune/src/code_error.ml", line 29, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads notty_unix.ml - File "vendor/notty/src-unix/notty_unix.ml", line 38, characters 23-29: - Alert unsafe_multidomain: Stdlib.Sys.signal - Use [Sys.Safe.signal]. - - File "vendor/notty/src-unix/notty_unix.ml", line 39, characters 31-45: - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads stdune__User_error.ml - File "otherlibs/stdune/src/user_error.ml", line 17, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads opamStd.ml - File "vendor/opam/src/core/opamStd.ml", line 960, characters 10-24: - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private__Conv.ml - File "otherlibs/dune-rpc/private/conv.ml", line 48, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private__Where.ml - File "otherlibs/dune-rpc/private/where.ml", line 22, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private__Types.ml - File "otherlibs/dune-rpc/private/types.ml", line 154, characters 6-31: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private__Registry.ml - File "otherlibs/dune-rpc/private/registry.ml", line 67, characters 4-29: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private__Versioned.ml - File "otherlibs/dune-rpc/private/versioned.ml", line 23, characters 4-29: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads opamSystem.ml - File "vendor/opam/src/core/opamSystem.ml", line 1248, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - - File "vendor/opam/src/core/opamSystem.ml", line 1264, characters 6-20: - Alert unsafe_multidomain: Stdlib.Sys.set_signal - Use [Sys.Safe.set_signal]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_private.ml - File "otherlibs/dune-rpc/private/dune_rpc_private.ml", line 200, characters 6-31: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_action_plugin.mli - File "otherlibs/dune-action-plugin/src/dune_action_plugin.mli", line 1, characters 4-9: - Warning 53 [misplaced-attribute]: the "alert" attribute cannot appear in this context - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads memo.ml - File "src/memo/memo.ml", line 414, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_rpc_server.ml - File "src/dune_rpc_server/dune_rpc_server.ml", line 15, characters 2-27: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_engine__Scheduler.ml - File "src/dune_engine/scheduler.ml", line 54, characters 4-29: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - - File "src/dune_engine/scheduler.ml", line 632, characters 6-20: - Alert unsafe_multidomain: Dune_engine__.Import.Sys.set_signal - Use [Sys.Safe.set_signal]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads opamPp.ml - File "vendor/opam/src/format/opamPp.ml", line 64, characters 9-34: - Alert unsafe_multidomain: Stdlib.Printexc.register_printer - Use [Printexc.Safe.register_printer]. - cd _boot && /home/opam/.opam/5.2.0+flambda2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads dune_tui.ml - File "src/dune_tui/dune_tui.ml", line 14, characters 7-21: - Alert unsafe_multidomain: Dune_tui__.Import.Sys.set_signal - Use [Sys.Safe.set_signal]. - - File "src/dune_tui/dune_tui.ml", line 22, characters 12-22: - Alert unsafe_multidomain: Dune_tui__.Import.Sys.signal - Use [Sys.Safe.signal]. - Processing 3/6: [dune: ./_boot/dune.exe build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "./_boot/dune.exe" "build" "dune.install" "--release" "--profile" "dune-bootstrap" "-j" "71" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/dune.3.19.1) -> compiled dune.3.19.1 -> installed dune.3.19.1 Processing 5/6: [optiml-transport: dune build] + /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "optiml-transport" "-j" "71" "@install" (CWD=/home/opam/.opam/5.2.0+flambda2/.opam-switch/build/optiml-transport.0.0.1) - (cd _build/default/lib && /usr/bin/gcc -x c++ -std=gnu++11 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -Wall -fdiagnostics-color=always -g -I /home/opam/.opam/5.2.0+flambda2/lib/ocaml -o EMD_wrapper.o -c EMD_wrapper.cpp) - EMD_wrapper.cpp: In function 'problem_type_t EMD_wrap(int, int, double*, double*, double*, double*, double*, double*, double*, int)': - EMD_wrapper.cpp:97:23: warning: comparison of integer expressions of different signedness: 'uint64_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] - 97 | for (uint64_t i=0; i<n1; i++) { - | ~^~~ - EMD_wrapper.cpp:108:23: warning: comparison of integer expressions of different signedness: 'uint64_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] - 108 | for (uint64_t i=0; i<n2; i++) { - | ~^~~ - In file included from full_bipartitegraph.h:28, - from network_simplex_simple.h:67, - from EMD.h:44, - from EMD_wrapper.cpp:49: - core.h:85:25: warning: typedef 'Node' locally defined but not used [-Wunused-local-typedefs] - 85 | typedef Digraph::Node Node; \ - | ^~~~ - EMD_wrapper.cpp:65:3: note: in expansion of macro 'DIGRAPH_TYPEDEFS' - 65 | DIGRAPH_TYPEDEFS(FullBipartiteDigraph); - | ^~~~~~~~~~~~~~~~ - EMD_wrapper.cpp: In function 'value transport_stub_native(value, value, value, value, value, value, value, value)': - EMD_wrapper.cpp:161:7: warning: unused variable 'maxit' [-Wunused-variable] - 161 | int maxit = Int_val(max_iter); - | ^~~~~ - network_simplex_simple.h: In instantiation of 'lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::NetworkSimplexSimple(const GR&, bool, int, ArcsType, uint64_t) [with GR = lemon::FullBipartiteDigraph; V = double; C = double; NodesType = unsigned int; ArcsType = long int; uint64_t = long unsigned int]': - EMD_wrapper.cpp:92:104: required from here - 92 | NetworkSimplexSimple<Digraph,double,double, node_id_type> net(di, true, (int) (n + m), n * m, maxIter); - | ^ - network_simplex_simple.h:523:18: warning: 'lemon::NetworkSimplexSimple<lemon::FullBipartiteDigraph, double, double, unsigned int>::_init_nb_arcs' will be initialized after [-Wreorder] - 523 | ArcsType _init_nb_arcs; - | ^~~~~~~~~~~~~ - network_simplex_simple.h:365:21: warning: 'const lemon::NetworkSimplexSimple<lemon::FullBipartiteDigraph, double, double, unsigned int>::Value lemon::NetworkSimplexSimple<lemon::FullBipartiteDigraph, double, double, unsigned int>::MAX' [-Wreorder] - 365 | const Value MAX; - | ^~~ - network_simplex_simple.h:236:9: warning: when initialized here [-Wreorder] - 236 | NetworkSimplexSimple(const GR& graph, bool arc_mixing, int nbnodes, ArcsType nb_arcs, uint64_t maxiters) : - | ^~~~~~~~~~~~~~~~~~~~ - network_simplex_simple.h: In instantiation of 'bool lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::initialPivots() [with GR = lemon::FullBipartiteDigraph; V = double; C = double; NodesType = unsigned int; ArcsType = long int]': - network_simplex_simple.h:1428:18: required from 'lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::ProblemType lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::start() [with PivotRuleImpl = lemon::NetworkSimplexSimple<lemon::FullBipartiteDigraph, double, double, unsigned int>::BlockSearchPivotRule; GR = lemon::FullBipartiteDigraph; V = double; C = double; NodesType = unsigned int; ArcsType = long int]' - 1428 | if (!initialPivots()) return UNBOUNDED; - | ^~~~~~~~~~~~~ - network_simplex_simple.h:1419:47: required from 'lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::ProblemType lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::start() [with GR = lemon::FullBipartiteDigraph; V = double; C = double; NodesType = unsigned int; ArcsType = long int]' - 1419 | return start<BlockSearchPivotRule>(); - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ - network_simplex_simple.h:700:25: required from 'lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::ProblemType lemon::NetworkSimplexSimple<GR, V, C, NodesType, ArcsType>::run() [with GR = lemon::FullBipartiteDigraph; V = double; C = double; NodesType = unsigned int; ArcsType = long int]' - 700 | return start(); - | ~~~~~^~ - EMD_wrapper.cpp:131:18: required from here - 131 | int ret=net.run(); - | ~~~~~~~^~ - network_simplex_simple.h:1362:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] - 1362 | for (int i = 0; i != demand_nodes.size(); ++i) { - | ~~^~~~~~~~~~~~~~~~~~~~~~ - network_simplex_simple.h:1400:36: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] - 1400 | for (ArcsType i = 0; i != arc_vector.size(); ++i) { - | ~~^~~~~~~~~~~~~~~~~~~~ -> compiled optiml-transport.0.0.1 -> installed optiml-transport.0.0.1 Done. # To update the current shell environment, run: eval $(opam env) 2025-08-07 08:26.24 ---> saved as "01bca9e7a226ddd21e5bdd0b327b96b22ccf4a6f802511debd62354b271ee55a" Job succeeded