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Building on asteria.caelum.ci.dev

(from ocaml/opam:debian-unstable)
Unable to find image 'ocaml/opam:debian-unstable' locally
debian-unstable: Pulling from ocaml/opam
Digest: sha256:730ba1f0177ca25fd2003dcf99bd6c4e2bc2f1957c5aebd8d47e1bd69cf161a0
Status: Downloaded newer image for ocaml/opam:debian-unstable
2024-11-10 00:44.33 ---> 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"))
2024-11-10 00:44.33 ---> 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 eecf6d033c6c13a6bda9b445601ddcbaa09dd288"))
2024-11-10 00:44.33 ---> using "659878f189cdb906ec3e452fdc4f26cfb0c3654f53f43b380cf690e70b2f5ac6" 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.

2024-11-10 00:44.33 ---> using "b22293df705e6cba3afecfd99e3970445bf105f18df9a7b31bf5584e65710795" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=default '5.2' '5.2.0'"))

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.2.0"} | "ocaml-system" {= "5.2.0"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ocaml-config.3  (cached)
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed host-arch-x86_64.1
-> installed host-system-other.1
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-base-compiler.5.2.0  (https://github.com/ocaml/ocaml/archive/5.2.0.tar.gz)
-> installed ocaml-base-compiler.5.2.0
-> 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)
2024-11-10 00:44.33 ---> using "8fd36891ebefedca7a435260dc41c24cf1733450805009f765316c933d1bca81" from cache

/: (run (network host)
        (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [202 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-2024-11-09-0804.37-F-2024-11-04-2012.18.pdiff [276 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2024-11-09-0804.37-F-2024-11-04-2012.18.pdiff [276 kB]
- Fetched 542 kB in 2s (353 kB/s)
- Reading package lists...
- 
2024-11-10 00:44.33 ---> using "2c1c259efd7e49e7c82a9823bddc373e8f9b1460087914e9a0beebb05bfce7a7" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam remove -y \"mccs.1.1+11\"\
               \nopam install -vy \"mccs.1.1+11\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"mccs.1.1+11\" | 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\
               \n"))
Nothing to do.
[NOTE] mccs.1.1+11 is not installed.

The following actions will be performed:
=== install 6 packages
  - install conf-c++ 1.0    [required by mccs]
  - install cppo     1.7.0  [required by extlib]
  - install cudf     0.10   [required by mccs]
  - install dune     3.16.1 [required by mccs]
  - install extlib   1.8.0  [required by cudf]
  - install mccs     1.1+11

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/18: [cppo.1.7.0: extract]
Processing  3/18: [cppo.1.7.0: extract] [cudf.0.10: extract]
Processing  4/18: [cppo.1.7.0: extract] [cudf.0.10: extract] [dune.3.16.1: extract]
Processing  5/18: [cppo.1.7.0: extract] [cudf.0.10: extract] [dune.3.16.1: extract] [conf-c++: c++]
-> retrieved cppo.1.7.0  (cached)
Processing  5/18: [cudf.0.10: extract] [dune.3.16.1: extract] [conf-c++: c++]
Processing  6/18: [cudf.0.10: extract] [dune.3.16.1: extract] [extlib.1.8.0: extract] [conf-c++: c++]
-> retrieved cudf.0.10  (cached)
Processing  6/18: [dune.3.16.1: extract] [extlib.1.8.0: extract] [conf-c++: c++]
Processing  7/18: [dune.3.16.1: extract] [extlib.1.8.0: extract] [mccs.1.1+11: http] [conf-c++: c++]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "c++" "--version" (CWD=/home/opam/.opam/5.2/.opam-switch/build/conf-c++.1.0)
- c++ (Debian 14.2.0-8) 14.2.0
- Copyright (C) 2024 Free Software Foundation, Inc.
- This is free software; see the source for copying conditions.  There is NO
- warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- 
-> compiled  conf-c++.1.0
Processing  7/18: [dune.3.16.1: extract] [extlib.1.8.0: extract] [mccs.1.1+11: http]
-> installed conf-c++.1.0
Processing  8/18: [dune.3.16.1: extract] [extlib.1.8.0: extract] [mccs.1.1+11: http]
-> retrieved extlib.1.8.0  (cached)
Processing  8/18: [dune.3.16.1: extract] [mccs.1.1+11: http]
Processing  8/18: [dune.3.16.1: extract] [mccs.1.1+11: extract]
-> retrieved dune.3.16.1  (cached)
Processing  8/18: [mccs.1.1+11: extract]
Processing  9/18: [mccs.1.1+11: extract] [dune: ocaml 255]
-> retrieved mccs.1.1+11  (https://github.com/AltGr/ocaml-mccs/archive/1.1+11.tar.gz)
Processing  9/18: [dune: ocaml 255]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "ocaml" "boot/bootstrap.ml" "-j" "255" (CWD=/home/opam/.opam/5.2/.opam-switch/build/dune.3.16.1)
- 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 255
- cd _boot && /home/opam/.opam/5.2/bin/ocamlopt.opt -c -g -no-alias-deps -w -49-6 -alert -unstable -I +unix -I +threads stdune.ml
- File "otherlibs/stdune/src/stdune.ml", line 1, characters 4-9:
- Warning 53 [misplaced-attribute]: the "alert" attribute cannot appear in this context
- 

Processing  9/18: [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" "255" (CWD=/home/opam/.opam/5.2/.opam-switch/build/dune.3.16.1)
-> compiled  dune.3.16.1
-> installed dune.3.16.1
Processing 11/18: [cppo: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "cppo" "-j" "255" "@install" (CWD=/home/opam/.opam/5.2/.opam-switch/build/cppo.1.7.0)
-> compiled  cppo.1.7.0
-> installed cppo.1.7.0
Processing 13/18: [extlib: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "extlib" "-j" "255" (CWD=/home/opam/.opam/5.2/.opam-switch/build/extlib.1.8.0)
-> compiled  extlib.1.8.0
-> installed extlib.1.8.0
Processing 15/18: [cudf: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "cudf" "-j" "255" (CWD=/home/opam/.opam/5.2/.opam-switch/build/cudf.0.10)
- (cd _build/default && /home/opam/.opam/5.2/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -I lib/.cudf.objs/byte -I /home/opam/.opam/5.2/lib/extlib -intf-suffix .ml -no-alias-deps -o lib/.cudf.objs/byte/cudf_type_parser.cmo -c -impl lib/cudf_type_parser.ml)
- File "lib/cudf_type_parser.mly", line 204, characters 24-42:
- Warning 6 [labels-omitted]: label prefix was omitted in the application of this function.
- (cd _build/default && /home/opam/.opam/5.2/bin/ocamlopt.opt -w -40 -g -I lib/.cudf.objs/byte -I lib/.cudf.objs/native -I /home/opam/.opam/5.2/lib/extlib -intf-suffix .ml -no-alias-deps -o lib/.cudf.objs/native/cudf_type_parser.cmx -c -impl lib/cudf_type_parser.ml)
- File "lib/cudf_type_parser.mly", line 204, characters 24-42:
- Warning 6 [labels-omitted]: label prefix was omitted in the application of this function.
-> compiled  cudf.0.10
-> installed cudf.0.10
Processing 17/18: [mccs: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "mccs" "-j" "255" (CWD=/home/opam/.opam/5.2/.opam-switch/build/mccs.1.1+11)
- (cd _build/default/src/glpk && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -Wno-parentheses -g -I /home/opam/.opam/5.2/lib/ocaml -o wclique1.o -c wclique1.c)
- src/glpk/misc/wclique1.c: In function '_glp_wclique1':
- src/glpk/misc/wclique1.c:121:7: warning: 'memset' specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
- src/glpk/misc/wclique1.c:123:7: warning: 'memset' specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
- File "src/dune", line 5, characters 63-73:
- 5 |    new_criteria notuptodate_criteria removed_criteria mccscudf mccs_stubs)
-                                                                    ^^^^^^^^^^
- (cd _build/default/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -I . -DUSEGLPK -g -I /home/opam/.opam/5.2/lib/ocaml -I /home/opam/.opam/5.2/lib/cudf -I /home/opam/.opam/5.2/lib/extlib -I glpk -o mccs_stubs.o -c mccs_stubs.cpp)
- mccs_stubs.cpp:27:9: warning: "Some_val" redefined
-    27 | #define Some_val(v)  Field(v,0)
-       |         ^~~~~~~~
- In file included from mccs_stubs.cpp:6:
- /home/opam/.opam/5.2/lib/ocaml/caml/mlvalues.h:447:9: note: this is the location of the previous definition
-   447 | #define Some_val(v) Field(v, 0)
-       |         ^~~~~~~~
- In file included from /usr/include/c++/14/map:62,
-                  from mccs_stubs.cpp:14:
- /usr/include/c++/14/bits/stl_tree.h: In instantiation of 'static const _Key& std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_S_key(_Const_Link_type) [with _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; _Const_Link_type = const std::_Rb_tree_node<CUDFVersionedPackage*>*]':
- /usr/include/c++/14/bits/stl_tree.h:2114:47:   required from 'std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; key_type = CUDFVersionedPackage*]'
-  2114 |           __comp = _M_impl._M_key_compare(__k, _S_key(__x));
-       |                                                ~~~~~~^~~~~
- /usr/include/c++/14/bits/stl_tree.h:2167:4:   required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = CUDFVersionedPackage* const&; _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>]'
-  2167 |         = _M_get_insert_unique_pos(_KeyOfValue()(__v));
-       |           ^~~~~~~~~~~~~~~~~~~~~~~~
- /usr/include/c++/14/bits/stl_set.h:514:25:   required from 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = CUDFVersionedPackage*; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<CUDFVersionedPackage*, CUDFVersionedPackage*, std::_Identity<CUDFVersionedPackage*>, CUDFPackage_comparator, std::allocator<CUDFVersionedPackage*> >::const_iterator; typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other = std::allocator<CUDFVersionedPackage*>; typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key> = __gnu_cxx::__alloc_traits<std::allocator<CUDFVersionedPackage*>, CUDFVersionedPackage*>::rebind<CUDFVersionedPackage*>; typename _Allocator::value_type = CUDFVersionedPackage*; value_type = CUDFVersionedPackage*]'
-   514 |           _M_t._M_insert_unique(__x);
-       |           ~~~~~~~~~~~~~~~~~~~~~^~~~~
- mccs_stubs.cpp:316:39:   required from here
-   316 |   virtual_package->all_versions.insert(pkg);
-       |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
- /usr/include/c++/14/bits/stl_tree.h:768:15: error: static assertion failed: comparison object must be invocable as const
-   768 |               is_invocable_v<const _Compare&, const _Key&, const _Key&>,
-       |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- /usr/include/c++/14/bits/stl_tree.h:768:15: note: 'std::is_invocable_v<const CUDFPackage_comparator&, CUDFVersionedPackage* const&, CUDFVersionedPackage* const&>' evaluates to false
[ERROR] The compilation of mccs.1.1+11 failed at "dune build -p mccs -j 255".

#=== ERROR while compiling mccs.1.1+11 ========================================#
# context              2.4.0~alpha1~dev | linux/x86_64 | ocaml-base-compiler.5.2.0 | file:///home/opam/opam-repository
# path                 ~/.opam/5.2/.opam-switch/build/mccs.1.1+11
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p mccs -j 255
# exit-code            1
# env-file             ~/.opam/log/mccs-8-cd5388.env
# output-file          ~/.opam/log/mccs-8-cd5388.out
### output ###
# (cd _build/default/src/glpk && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -Wno-parentheses -g -I /home/opam/.opam/5.2/lib/ocaml -o wclique1.o -c wclique1.c)
# src/glpk/misc/wclique1.c: In function '_glp_wclique1':
# src/glpk/misc/wclique1.c:121:7: warning: 'memset' specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
# src/glpk/misc/wclique1.c:123:7: warning: 'memset' specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
# File "src/dune", line 5, characters 63-73:
# 5 |    new_criteria notuptodate_criteria removed_criteria mccscudf mccs_stubs)
#                                                                    ^^^^^^^^^^
# (cd _build/default/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -pthread -I . -DUSEGLPK -g -I /home/opam/.opam/5.2/lib/ocaml -I /home/opam/.opam/5.2/lib/cudf -I /home/opam/.opam/5.2/lib/extlib -I glpk -o mccs_stubs.o -c mccs_stubs.cpp)
# mccs_stubs.cpp:27:9: warning: "Some_val" redefined
#    27 | #define Some_val(v)  Field(v,0)
#       |         ^~~~~~~~
# In file included from mccs_stubs.cpp:6:
# /home/opam/.opam/5.2/lib/ocaml/caml/mlvalues.h:447:9: note: this is the location of the previous definition
#   447 | #define Some_val(v) Field(v, 0)
#       |         ^~~~~~~~
# In file included from /usr/include/c++/14/map:62,
#                  from mccs_stubs.cpp:14:
# /usr/include/c++/14/bits/stl_tree.h: In instantiation of 'static const _Key& std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_S_key(_Const_Link_type) [with _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; _Const_Link_type = const std::_Rb_tree_node<CUDFVersionedPackage*>*]':
# /usr/include/c++/14/bits/stl_tree.h:2114:47:   required from 'std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; key_type = CUDFVersionedPackage*]'
#  2114 |           __comp = _M_impl._M_key_compare(__k, _S_key(__x));
#       |                                                ~~~~~~^~~~~
# /usr/include/c++/14/bits/stl_tree.h:2167:4:   required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = CUDFVersionedPackage* const&; _Key = CUDFVersionedPackage*; _Val = CUDFVersionedPackage*; _KeyOfValue = std::_Identity<CUDFVersionedPackage*>; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>]'
#  2167 |         = _M_get_insert_unique_pos(_KeyOfValue()(__v));
#       |           ^~~~~~~~~~~~~~~~~~~~~~~~
# /usr/include/c++/14/bits/stl_set.h:514:25:   required from 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = CUDFVersionedPackage*; _Compare = CUDFPackage_comparator; _Alloc = std::allocator<CUDFVersionedPackage*>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<CUDFVersionedPackage*, CUDFVersionedPackage*, std::_Identity<CUDFVersionedPackage*>, CUDFPackage_comparator, std::allocator<CUDFVersionedPackage*> >::const_iterator; typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other = std::allocator<CUDFVersionedPackage*>; typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key> = __gnu_cxx::__alloc_traits<std::allocator<CUDFVersionedPackage*>, CUDFVersionedPackage*>::rebind<CUDFVersionedPackage*>; typename _Allocator::value_type = CUDFVersionedPackage*; value_type = CUDFVersionedPackage*]'
#   514 |           _M_t._M_insert_unique(__x);
#       |           ~~~~~~~~~~~~~~~~~~~~~^~~~~
# mccs_stubs.cpp:316:39:   required from here
#   316 |   virtual_package->all_versions.insert(pkg);
#       |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
# /usr/include/c++/14/bits/stl_tree.h:768:15: error: static assertion failed: comparison object must be invocable as const
#   768 |               is_invocable_v<const _Compare&, const _Key&, const _Key&>,
#       |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# /usr/include/c++/14/bits/stl_tree.h:768:15: note: 'std::is_invocable_v<const CUDFPackage_comparator&, CUDFVersionedPackage* const&, CUDFVersionedPackage* const&>' evaluates to false



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build mccs 1.1+11
+- 
+- The following changes have been performed
| - install conf-c++ 1.0
| - install cppo     1.7.0
| - install cudf     0.10
| - install dune     3.16.1
| - install extlib   1.8.0
+- 
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/5.2/.opam-switch/backup/state-20241110004435.export"
'opam install -vy mccs.1.1+11' failed.
"/usr/bin/env" "bash" "-c" "
opam remove -y "mccs.1.1+11"
opam install -vy "mccs.1.1+11"
res=$?
if [ $res = 31 ]; then
    if opam show -f x-ci-accept-failures: "mccs.1.1+11" | grep -q '"debian-unstable"'; then
        echo "This package failed and has been disabled for CI using the 'x-ci-accept-failures' field."
        exit 69
    fi
fi


exit $res
" failed with exit status 31
Failed: Build failed