Build:
  1. 0
2026-10-06 18:08.57: New job: build xgboost.0.2.1 (26568143ac79)
2026-10-06 18:08.57: Waiting for resource in pool day11-builds
2026-10-06 18:16.48: Got resource from pool day11-builds
2026-10-06 18:16.48: [profile oxcaml-odoc-master] build xgboost.0.2.1
2026-10-06 18:16.48: build xgboost.0.2.1 (26568143ac79)
=== DEPENDENCIES (19 transitive) ===
  base-threads.base                                  464810371b96
  base-unix.base                                     4596d20d2cf7
  conf-autoconf.1                                    8ee1e3913008
  conf-c++.1.0                                       8ccd097daa9f
  conf-cmake.1                                       4dbcf629bf1b
  conf-libffi.2.0.0                                  3b04165a8510
  conf-pkg-config.5                                  e39f7209b38f
  conf-which.1                                       65c43ca119c3
  csexp.1.5.2                                        3194ba1b6774
  ctypes.0.24.0+ox                                   927b9c3563e2
  ctypes-foreign.0.24.0+ox                           793176c548fd
  dune.3.22.2+ox                                     9158bd0e098d
  dune-configurator.3.22.2+ox                        b9a3eeb73695
  integers.0.8.0                                     3b20eae8b330
  ocaml.5.2.0                                        879ae859f814
  ocaml-config.3                                     37112a8040f8
  ocaml-variants.5.2.0+ox                            8119d9341417
  oxcaml-compiler.5.2.0minus39                       72925b65bf23
  stdlib-shims.0.3.0                                 dad692a03c41
=== STDOUT ===
Processing: [default: loading data]

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

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

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libxgboost-dev"
- Selecting previously unselected package libdmlc0t64:amd64.
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(Reading database ... 24016 files and directories currently installed.)
- Preparing to unpack .../libdmlc0t64_0.5+git20240614.1334185-1+b1_amd64.deb ...
- Unpacking libdmlc0t64:amd64 (0.5+git20240614.1334185-1+b1) ...
- Selecting previously unselected package libxgboost0.
- Preparing to unpack .../libxgboost0_3.0.0-1_amd64.deb ...
- Unpacking libxgboost0 (3.0.0-1) ...
- Selecting previously unselected package libxgboost-dev.
- Preparing to unpack .../libxgboost-dev_3.0.0-1_amd64.deb ...
- Unpacking libxgboost-dev (3.0.0-1) ...
- Setting up libdmlc0t64:amd64 (0.5+git20240614.1334185-1+b1) ...
- Setting up libxgboost0 (3.0.0-1) ...
- Setting up libxgboost-dev (3.0.0-1) ...
- Processing triggers for libc-bin (2.41-12+deb13u3) ...
[xgboost.0.2.1: dl]
[xgboost.0.2.1: extract]
-> retrieved xgboost.0.2.1  (https://opam.ocaml.org/cache)
[xgboost: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "xgboost" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/xgboost.0.2.1)
- (cd _build/default/src/bindings && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -D_FILE_OFFSET_BITS=64 -Wall -fdiagnostics-color=always -g -Wno-incompatible-pointer-types -Wno-discarded-qualifiers -g -I /home/opam/.opam/default/lib/ocaml -I /home/opam/.opam/default/lib/ctypes xgboost__c_cout_generated_types.c -o xgboost__c_cout_generated_types.exe)
- In file included from /home/opam/.opam/default/lib/ctypes/ctypes_primitives.h:16,
-                  from /home/opam/.opam/default/lib/ctypes/ctypes_cstubs_internals.h:13,
-                  from xgboost__c_cout_generated_types.c:4:
- /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:37:9: warning: "Int8_val" redefined
-    37 | #define Int8_val(V) ((int8_t)(Int_val(V)))
-       |         ^~~~~~~~
- In file included from /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:11:
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:154:9: note: this is the location of the previous definition
-   154 | #define Int8_val(x)  ((int8_t) Long_val(x))
-       |         ^~~~~~~~
- /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:38:9: warning: "Int16_val" redefined
-    38 | #define Int16_val(V) ((int16_t)(Int_val(V)))
-       |         ^~~~~~~~~
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:153:9: note: this is the location of the previous definition
-   153 | #define Int16_val(x) ((int16_t) Long_val(x))
-       |         ^~~~~~~~~
- (cd _build/default/src/bindings && /usr/bin/gcc -Wno-incompatible-pointer-types -Wno-discarded-qualifiers -g -I /home/opam/.opam/default/lib/ocaml -I /home/opam/.opam/default/lib/ctypes -I /home/opam/.opam/default/lib/ctypes/stubs -I /home/opam/.opam/default/lib/integers -I /home/opam/.opam/default/lib/ocaml/str -I /home/opam/.opam/default/lib/stdlib-shims -o xgboost__c_cout_generated_functions__Function_description__Functions.o -c xgboost__c_cout_generated_functions__Function_description__Functions.c)
- In file included from /home/opam/.opam/default/lib/ctypes/ctypes_primitives.h:16,
-                  from /home/opam/.opam/default/lib/ctypes/ctypes_cstubs_internals.h:13,
-                  from xgboost__c_cout_generated_functions__Function_description__Functions.c:2:
- /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:37:9: warning: "Int8_val" redefined
-    37 | #define Int8_val(V) ((int8_t)(Int_val(V)))
-       |         ^~~~~~~~
- In file included from /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:11:
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:154:9: note: this is the location of the previous definition
-   154 | #define Int8_val(x)  ((int8_t) Long_val(x))
-       |         ^~~~~~~~
- /home/opam/.opam/default/lib/ctypes/ocaml_integers.h:38:9: warning: "Int16_val" redefined
-    38 | #define Int16_val(V) ((int16_t)(Int_val(V)))
-       |         ^~~~~~~~~
- /home/opam/.opam/default/lib/ocaml/caml/mlvalues.h:153:9: note: this is the location of the previous definition
-   153 | #define Int16_val(x) ((int16_t) Long_val(x))
-       |         ^~~~~~~~~
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I src/xgboost/.xgboost.objs/byte -I /home/opam/.opam/default/lib/ctypes -I /home/opam/.opam/default/lib/ctypes-foreign -I /home/opam/.opam/default/lib/ctypes/stubs -I /home/opam/.opam/default/lib/integers -I /home/opam/.opam/default/lib/ocaml/str -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/stdlib-shims -I src/bindings/.xgboost_bindings.objs/byte -no-alias-deps -open Xgboost__ -o src/xgboost/.xgboost.objs/byte/xgboost__Error.cmo -c -impl src/xgboost/error.ml)
- File "src/xgboost/error.ml", line 23, characters 2-27:
- 23 |   Printexc.register_printer (function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I src/xgboost/.xgboost.objs/byte -I src/xgboost/.xgboost.objs/native -I /home/opam/.opam/default/lib/ctypes -I /home/opam/.opam/default/lib/ctypes-foreign -I /home/opam/.opam/default/lib/ctypes/stubs -I /home/opam/.opam/default/lib/integers -I /home/opam/.opam/default/lib/ocaml/str -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/stdlib-shims -I src/bindings/.xgboost_bindings.objs/byte -I src/bindings/.xgboost_bindings.objs/native -cmi-file src/xgboost/.xgboost.objs/byte/xgboost__Error.cmi -no-alias-deps -open Xgboost__ -o src/xgboost/.xgboost.objs/native/xgboost__Error.cmx -c -impl src/xgboost/error.ml)
- File "src/xgboost/error.ml", line 23, characters 2-27:
- 23 |   Printexc.register_printer (function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
-> compiled  xgboost.0.2.1
-> installed xgboost.0.2.1
[WARNING] Opam packages conf-autoconf.1, conf-libffi.2.0.0 and conf-pkg-config.5 depend on the following system packages that are no longer installed: autoconf libffi-dev pkg-config
  - conf-autoconf.1: depends on autoconf
  - conf-libffi.2.0.0: depends on libffi-dev
  - conf-pkg-config.5: depends on pkg-config

=== STDERR ===

2026-10-06 18:17.11: OK: build xgboost.0.2.1 (runc: 15.1s, disk: 0KB)
2026-10-06 18:17.11: Job succeeded