2026-06-06 06:54.08: New job: Build using linux-s390x in
                                []
2026-06-06 06:54.08: Will push staging image to ocurrent/opam-staging:ubuntu-26.04-ocaml-5.3-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:d925b38f6a3daed69804d7a28002433c964c97a97f5588b67f621229d084ada5
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
USER root
RUN apt-get -y update
RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
USER opam
RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
RUN opam pin add -k version ocaml-base-compiler 5.3.0
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 06:54.08: Using cache hint "5.3.0-s390x-ocurrent/opam-staging@sha256:d925b38f6a3daed69804d7a28002433c964c97a97f5588b67f621229d084ada5"
2026-06-06 12:09.50: Waiting for worker…
2026-06-06 12:11.11: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
WARNING: experimental flag squash is removed with BuildKit. You should squash inside build using a multi-stage Dockerfile for efficiency.
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 663B done
#1 DONE 0.1s

#2 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#2 CACHED

#3 resolve image config for docker-image://docker.io/docker/dockerfile:1
#3 DONE 0.1s

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:d925b38f6a3daed69804d7a28002433c964c97a97f5588b67f621229d084ada5
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.1s

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:d925b38f6a3daed69804d7a28002433c964c97a97f5588b67f621229d084ada5
#6 CACHED

#7 [2/8] RUN apt-get -y update
#7 0.892 Hit:1 http://ports.ubuntu.com/ubuntu-ports resolute InRelease
#7 1.048 Hit:2 http://ports.ubuntu.com/ubuntu-ports resolute-updates InRelease
#7 1.179 Hit:3 http://ports.ubuntu.com/ubuntu-ports resolute-backports InRelease
#7 1.359 Hit:4 http://ports.ubuntu.com/ubuntu-ports resolute-security InRelease
#7 1.386 Reading package lists...
#7 DONE 2.1s

#8 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#8 0.513 Reading package lists...
#8 1.181 Building dependency tree...
#8 1.262 Reading state information...
#8 1.298 Calculating upgrade...
#8 1.425 The following packages were automatically installed and are no longer required:
#8 1.425   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#8 1.425   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#8 1.425   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#8 1.425   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#8 1.425   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#8 1.425   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#8 1.425   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libctf-nobfd0 libctf0
#8 1.425   libdpkg-perl libfakeroot libfile-fcntllock-perl libgcc-15-dev libgomp1
#8 1.425   libisl23 libitm1 libjansson4 libksba8 liblocale-gettext-perl liblsan0
#8 1.425   libmpc3 libmpfr6 libnpth0t64 libsframe3 libstdc++-15-dev libtsan2 libubsan1
#8 1.425   linux-libc-dev lto-disabled-list make manpages manpages-dev pinentry-curses
#8 1.425   rpcsvc-proto xz-utils
#8 1.425 Use 'apt autoremove' to remove them.
#8 1.498 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#8 DONE 1.6s

#9 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 0.396 Reading package lists...
#9 1.052 Building dependency tree...
#9 1.133 Reading state information...
#9 1.156 Solving dependencies...
#9 1.276 The following packages were automatically installed and are no longer required:
#9 1.276   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#9 1.276   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#9 1.276   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#9 1.276   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#9 1.276   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#9 1.276   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#9 1.276   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libctf-nobfd0 libctf0
#9 1.276   libdpkg-perl libfakeroot libfile-fcntllock-perl libgcc-15-dev libgomp1
#9 1.276   libisl23 libitm1 libjansson4 libksba8 liblocale-gettext-perl liblsan0
#9 1.276   libmpc3 libmpfr6 libnpth0t64 libsframe3 libstdc++-15-dev libtsan2 libubsan1
#9 1.276   linux-libc-dev lto-disabled-list make manpages manpages-dev pinentry-curses
#9 1.276   rpcsvc-proto xz-utils
#9 1.276 Use 'apt autoremove' to remove them.
#9 1.298 The following NEW packages will be installed:
#9 1.298   libzstd-dev
#9 1.418 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#9 1.418 Need to get 414 kB of archives.
#9 1.418 After this operation, 1435 kB of additional disk space will be used.
#9 1.418 Get:1 http://ports.ubuntu.com/ubuntu-ports resolute/main s390x libzstd-dev s390x 1.5.7+dfsg-3 [414 kB]
#9 2.639 Fetched 414 kB in 0s (2762 kB/s)
#9 2.689 Selecting previously unselected package libzstd-dev:s390x.
#9 2.689 (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 ... 22543 files and directories currently installed.)
#9 2.766 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-3_s390x.deb ...
#9 2.769 Unpacking libzstd-dev:s390x (1.5.7+dfsg-3) ...
#9 2.817 Setting up libzstd-dev:s390x (1.5.7+dfsg-3) ...
#9 DONE 3.0s

#10 [internal] load build context
#10 transferring context: 663B done
#10 DONE 0.1s

#11 [5/8] RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
#11 0.760 
#11 0.760 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.760 Switch invariant: ["ocaml-base-compiler" {= "5.3.0"}]
#11 6.385 
#11 6.385 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 8.424 -> installed base-bigarray.base
#11 8.425 -> installed base-threads.base
#11 8.425 -> installed base-unix.base
#11 8.434 -> installed ocaml-options-vanilla.1
#11 8.874 -> retrieved ocaml-config.3  (2 extra sources)
#11 9.200 -> retrieved ocaml-compiler.5.3.0  (https://opam.ocaml.org/cache)
#11 183.3 -> installed ocaml-compiler.5.3.0
#11 183.3 -> installed ocaml-base-compiler.5.3.0
#11 183.3 -> installed ocaml-config.3
#11 183.4 -> installed ocaml.5.3.0
#11 183.4 -> installed base-domains.base
#11 183.4 -> installed base-effects.base
#11 183.4 -> installed base-nnp.base
#11 183.7 Done.
#11 183.7 # Run eval $(opam env --switch=5.3) to update the current shell environment
#11 DONE 187.7s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.3.0
#12 0.622 ocaml-base-compiler is now pinned to version 5.3.0
#12 0.622 
#12 5.983 No package build needed.
#12 5.983 Nothing to do.
#12 5.983 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.0s

#13 [7/8] RUN opam install -y opam-depext
#13 6.223 The following actions will be performed:
#13 6.223   - install opam-depext 1.2.3
#13 6.223 
#13 6.223 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.831 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 9.679 -> installed opam-depext.1.2.3
#13 9.685 Done.
#13 9.685 
#13 9.685 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 9.685 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 9.685 # Run eval $(opam env) to update the current shell environment
#13 DONE 10.6s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.1s

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.0s done
#15 writing image sha256:c9c95812e217149505774c664ac5c3ef38f07a47bbc1351c152bac0b0283e9f2 done
#15 DONE 1.0s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 14)
Pushing "sha256:c9c95812e217149505774c664ac5c3ef38f07a47bbc1351c152bac0b0283e9f2" to "ocurrent/opam-staging:ubuntu-26.04-ocaml-5.3-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 12:15.12: Job succeeded