2026-07-24 10:52.12: New job: build mlmpfr.4.0.2+dune (81473892bf13)
2026-07-24 10:52.12: Waiting for resource in pool day11-builds
2026-07-24 10:58.53: Got resource from pool day11-builds
2026-07-24 10:58.53: [profile full] build mlmpfr.4.0.2+dune
2026-07-24 10:58.53: build mlmpfr.4.0.2+dune (81473892bf13)
=== DEPENDENCIES (7 transitive) ===
  base-threads.base                                  afe16a8e71c3
  base-unix.base                                     73c0a5fdd34a
  compiler-cloning.enabled                           22a431860256
  dune.3.24.1                                        0d2a3ba8bfb9
  ocaml.5.5.0                                        af24caade1d3
  ocaml-base-compiler.5.5.0                          5f93989ce6d7
  ocaml-compiler.5.5.0                               15edcf5138e5
=== STDOUT ===
Processing: [default: loading data]

The following system packages will first need to be installed:
    libmpfr-dev

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libmpfr-dev"
- Selecting previously unselected package libgmpxx4ldbl:amd64.
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(Reading database ... 20108 files and directories currently installed.)
- Preparing to unpack .../libgmpxx4ldbl_2%3a6.3.0+dfsg-3_amd64.deb ...
- Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ...
- Selecting previously unselected package libgmp-dev:amd64.
- Preparing to unpack .../libgmp-dev_2%3a6.3.0+dfsg-3_amd64.deb ...
- Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-3) ...
- Selecting previously unselected package libmpfr-dev:amd64.
- Preparing to unpack .../libmpfr-dev_4.2.2-1_amd64.deb ...
- Unpacking libmpfr-dev:amd64 (4.2.2-1) ...
- Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ...
- Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-3) ...
- Setting up libmpfr-dev:amd64 (4.2.2-1) ...
- Processing triggers for libc-bin (2.41-12+deb13u3) ...
[mlmpfr.4.0.2+dune: dl]
[mlmpfr.4.0.2+dune: extract]
[mlmpfr.4.0.2+dune/mlmpfr_compatibility_test.c: dl]
-> retrieved mlmpfr.4.0.2+dune  (https://opam.ocaml.org/cache)
[mlmpfr: cc mlmpfr_compatibility_test.c]
+ /usr/bin/cc "mlmpfr_compatibility_test.c" "-lmpfr" "-o" "mlmpfr_compatibility_test" (CWD=/home/opam/.opam/default/.opam-switch/build/mlmpfr.4.0.2+dune)
[mlmpfr: ./mlmpfr_compatibility_test]
+ /home/opam/.opam/default/.opam-switch/build/mlmpfr.4.0.2+dune/./mlmpfr_compatibility_test  (CWD=/home/opam/.opam/default/.opam-switch/build/mlmpfr.4.0.2+dune)
[ERROR] The compilation of mlmpfr.4.0.2+dune failed at "./mlmpfr_compatibility_test".
build failed... 

=== STDERR ===

2026-07-24 10:59.10: FAILED: build mlmpfr.4.0.2+dune
2026-07-24 10:59.10: Job failed: build failed: mlmpfr.4.0.2+dune