Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-06 22:31.01 ---> using "63e5ddb9687855d0a0c4c5e0088f813758807605401f3a88b07751088826ddff" from cache
C:/: (user (uid 1000) (gid 1000))
C:/: (env OPAMPRECISETRACKING 1)
C:/: (env OPAMUTF8 never)
C:/: (env OPAMEXTERNALSOLVER builtin-0install)
C:/: (env OPAMCRITERIA +removed)
C:/: (env CI true)
C:/: (env OPAM_HEALTH_CHECK_CI true)
C:/: (run (shell "ln -f /usr/local/bin/opam-dev.exe /usr/local/bin/opam.exe"))
2026-03-06 22:31.01 ---> using "eb751f1617949fccf400da87a349c508e73323f3f0e3482f2cce8c46fbcb6c21" from cache
C:/: (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 31db989bcaf14647d9889b8903120d6202ac37a8"))
2026-03-06 22:31.01 ---> using "ef58fca6f6db70f2bdfd85579892df7c50e047d2e179a3be59dcaa5c5a2d773c" from cache
C:/: (run (shell "rm -rf ~/.opam && opam init -ya --bare ~/opam-repository"))
User configuration:
Updating ~\.bashrc.
[NOTE] Make sure that ~/.bashrc is well sourced in your ~\.bash_profile.
Added 9 lines after line 1 in ~\.bashrc.
2026-03-06 22:31.01 ---> using "c700dfaf6f2da6800841bb961abfee8cd8858dee38ab51c0793b149f1795270d" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam switch create --repositories=default 'mingw-5.4' '5.4.0'"))
<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.0"}]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed arch-x86_64.1
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed host-arch-x86_64.1
-> installed host-system-mingw.1
-> retrieved mingw-w64-shims.0.2.0 (cached)
-> installed conf-mingw-w64-gcc-x86_64.1
-> retrieved flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.1
-> installed system-mingw.1
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-config.3 (2 extra sources)
-> retrieved ocaml-config.3 (2 extra sources)
-> retrieved ocaml-compiler.5.4.0 (https://github.com/ocaml/ocaml/releases/download/5.4.0/ocaml-5.4.0.tar.gz)
-> installed ocaml-compiler.5.4.0
-> installed ocaml-base-compiler.5.4.0
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.
# To update the current shell environment, run: eval $(opam env --switch=mingw-5.4)
2026-03-06 22:31.01 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-06 22:31.01 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y cb-check.0.1\
\nopam install -vy cb-check.0.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: cb-check.0.1 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; 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] cb-check.0.1 is not installed.
Nothing to do.
The following actions will be performed:
=== install 3 packages
- install cb-check 0.1
- install dune 3.21.1 [required by cb-check]
- install yojson 3.0.0 [required by cb-check]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/9: [cb-check.0.1: http]
Processing 2/9: [cb-check.0.1: http] [dune.3.21.1: extract]
Processing 3/9: [cb-check.0.1: http] [dune.3.21.1: extract] [yojson.3.0.0: extract]
Processing 3/9: [cb-check.0.1: extract] [dune.3.21.1: extract] [yojson.3.0.0: extract]
-> retrieved yojson.3.0.0 (cached)
Processing 3/9: [cb-check.0.1: extract] [dune.3.21.1: extract]
-> retrieved cb-check.0.1 (https://github.com/ocurrent/current-bench/archive/refs/tags/0.1.zip)
Processing 3/9: [dune.3.21.1: extract]
-> retrieved dune.3.21.1 (cached)
Processing 4/9: [dune: ocaml 15]
+ C:\opam\.opam\mingw-5.4\bin\ocaml.exe "boot/bootstrap.ml" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1)
- ocamlc -output-complete-exe -intf-suffix .dummy -g -o .duneboot.exe -I boot -I +unix unix.cma boot/types.ml boot/libs.ml boot/duneboot.ml
- .\.duneboot.exe -j 15
Processing 4/9: [dune: ./_boot/dune.exe build]
+ C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1\./_boot/dune.exe "build" "dune.install" "--release" "--profile" "dune-bootstrap" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1)
-> compiled dune.3.21.1
-> installed dune.3.21.1
Processing 6/9: [yojson: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "yojson" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\yojson.3.0.0)
-> compiled yojson.3.0.0
-> installed yojson.3.0.0
Processing 8/9: [cb-check: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "cb-check" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\cb-check.0.1)
- (cd _build/default && C:\opam\.opam\mingw-5.4\bin\ocamlopt.opt.exe -w -40 -g -I cb-check/.main.eobjs/byte -I cb-check/.main.eobjs/native -I C:\opam\.opam\mingw-5.4\lib\yojson -cmi-file cb-check/.main.eobjs/byte/dune__exe__Main.cmi -no-alias-deps -open Dune__exe -o cb-check/.main.eobjs/native/dune__exe__Main.cmx -c -impl cb-check/main.ml)
- File "cb-check/main.ml", line 19, characters 34-35:
- 19 | match Cb_schema.S.of_json j with
- ^
- Error: The value j has type
- Yojson.Safe.t =
- [ `Assoc of (string * Yojson.Safe.t) list
- | `Bool of bool
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of Yojson.Safe.t list
- | `Null
- | `String of string ]
- but an expression was expected of type
- [> `Assoc of
- (string *
- [> `List of
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ])
- list
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ]
- list
- | `Null
- | `String of string ])
- list
- | `List of
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ])
- list
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `List of
- [> `Float of float ] list
- | `Null
- | `String of string ]
- list
- | `Null
- | `String of string ])
- list ]
- list
- | `Null
- | `String of string ])
- list ]
- list
- | `Null
- | `String of string
- | `Tuple of [> `Int of int ] list ])
- list ]
- Type
- Yojson.Safe.t =
- [ `Assoc of (string * Yojson.Safe.t) list
- | `Bool of bool
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of Yojson.Safe.t list
- | `Null
- | `String of string ]
- is not compatible with type
- [> `List of
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ])
- list
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ]
- list
- | `Null
- | `String of string ])
- list
- | `List of
- [> `Assoc of
- (string *
- [> `Assoc of
- (string *
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `Null
- | `String of string ])
- list
- | `Float of float
- | `Int of int
- | `Intlit of string
- | `List of
- [> `Float of float
- | `Int of int
- | `Intlit of string
- | `List of [> `Float of float ] list
- | `Null
- | `String of string ]
- list
- | `Null
- | `String of string ])
- list ]
- list
- | `Null
- | `String of string ])
- list ]
- list
- | `Null
- | `String of string
- | `Tuple of [> `Int of int ] list ]
- The first variant type does not allow tag(s) `Tuple
[ERROR] The compilation of cb-check.0.1 failed at "dune build -p cb-check -j 15 @install".
#=== ERROR while compiling cb-check.0.1 =======================================#
# context 2.5.0 | win32/x86_64 | ocaml-base-compiler.5.4.0 | git+file://C:/cygwin64/home/opam/opam-repository
# path C:\opam\.opam\mingw-5.4\.opam-switch\build\cb-check.0.1
# command C:\opam\.opam\mingw-5.4\bin\dune.exe build -p cb-check -j 15 @install
# exit-code 1
# env-file C:\opam\.opam\log\cb-check-19892-b24aea.env
# output-file C:\opam\.opam\log\cb-check-19892-b24aea.out
### output ###
# Error: The value j has type
# [...]
# | `String of string ])
# list ]
# list
# | `Null
# | `String of string ])
# list ]
# list
# | `Null
# | `String of string
# | `Tuple of [> `Int of int ] list ]
# The first variant type does not allow tag(s) `Tuple
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build cb-check 0.1
+-
+- The following changes have been performed
| - install dune 3.21.1
| - install yojson 3.0.0
+-
# To update the current shell environment, run: eval $(opam env)
The former state can be restored with:
C:\cygwin64\usr\local\bin\opam.exe switch import "C:\\opam\\.opam\\mingw-5.4\\.opam-switch\\backup\\state-20260306223128.export"
'C:\cygwin64\usr\local\bin\opam.exe install -vy cb-check.0.1' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y cb-check.0.1
opam install -vy cb-check.0.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: cb-check.0.1 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; 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
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