2026-06-27 17:53.51: New job: Build using linux-s390x in
                                []
2026-06-27 17:53.51: Will push staging image to ocurrent/opam-staging:ubuntu-26.04-ocaml-5.2-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d
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 5.2 --packages=ocaml-base-compiler.5.2.1
RUN opam pin add -k version ocaml-base-compiler 5.2.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-27 17:53.51: Using cache hint "5.2.1-s390x-ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d"
2026-06-27 17:53.51: Waiting for resource in pool OCluster
2026-06-27 23:54.24: Waiting for worker…
2026-06-28 00:02.14: 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:
#1 transferring dockerfile: 663B 0.0s done
#1 DONE 0.2s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.4s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context:
#5 transferring context: 2B done
#5 DONE 0.2s

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d
#6 CACHED

#7 [internal] load build context
#7 transferring context: 663B done
#7 DONE 0.4s

#8 [2/8] RUN apt-get -y update
#8 1.557 Hit:1 http://ports.ubuntu.com/ubuntu-ports resolute InRelease
#8 1.707 Get:2 http://ports.ubuntu.com/ubuntu-ports resolute-updates InRelease [137 kB]
#8 2.079 Hit:3 http://ports.ubuntu.com/ubuntu-ports resolute-backports InRelease
#8 2.330 Hit:4 http://ports.ubuntu.com/ubuntu-ports resolute-security InRelease
#8 2.380 Get:5 http://ports.ubuntu.com/ubuntu-ports resolute-updates/main s390x Packages [247 kB]
#8 2.416 Get:6 http://ports.ubuntu.com/ubuntu-ports resolute-updates/universe s390x Packages [187 kB]
#8 2.488 Fetched 571 kB in 1s (431 kB/s)
#8 2.488 Reading package lists...
#8 DONE 3.5s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 1.775 Reading package lists...
#9 2.601 Building dependency tree...
#9 2.677 Reading state information...
#9 2.725 Calculating upgrade...
#9 2.983 The following packages were automatically installed and are no longer required:
#9 2.983   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#9 2.983   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#9 2.983   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#9 2.983   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#9 2.983   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#9 2.983   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#9 2.983   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libcrypt-dev
#9 2.983   libctf-nobfd0 libctf0 libdpkg-perl libfakeroot libfile-fcntllock-perl
#9 2.983   libgcc-15-dev libgomp1 libisl23 libitm1 libjansson4 libksba8
#9 2.983   liblocale-gettext-perl liblsan0 libmpc3 libmpfr6 libnpth0t64 libsframe3
#9 2.983   libstdc++-15-dev libtsan2 libubsan1 linux-libc-dev lto-disabled-list make
#9 2.983   manpages manpages-dev pinentry-curses rpcsvc-proto xz-utils
#9 2.983 Use 'apt autoremove' to remove them.
#9 3.073 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 DONE 3.4s

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.849 Reading package lists...
#10 1.698 Building dependency tree...
#10 1.805 Reading state information...
#10 1.834 Solving dependencies...
#10 1.977 The following packages were automatically installed and are no longer required:
#10 1.977   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#10 1.977   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#10 1.977   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#10 1.977   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#10 1.977   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#10 1.977   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#10 1.977   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libcrypt-dev
#10 1.977   libctf-nobfd0 libctf0 libdpkg-perl libfakeroot libfile-fcntllock-perl
#10 1.977   libgcc-15-dev libgomp1 libisl23 libitm1 libjansson4 libksba8
#10 1.977   liblocale-gettext-perl liblsan0 libmpc3 libmpfr6 libnpth0t64 libsframe3
#10 1.977   libstdc++-15-dev libtsan2 libubsan1 linux-libc-dev lto-disabled-list make
#10 1.977   manpages manpages-dev pinentry-curses rpcsvc-proto xz-utils
#10 1.977 Use 'apt autoremove' to remove them.
#10 1.986 The following NEW packages will be installed:
#10 1.986   libzstd-dev
#10 2.073 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 2.073 Need to get 414 kB of archives.
#10 2.073 After this operation, 1435 kB of additional disk space will be used.
#10 2.073 Get:1 http://ports.ubuntu.com/ubuntu-ports resolute/main s390x libzstd-dev s390x 1.5.7+dfsg-3 [414 kB]
#10 3.404 Fetched 414 kB in 0s (1998 kB/s)
#10 3.705 Selecting previously unselected package libzstd-dev:s390x.
#10 3.705 (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 ... 22540 files and directories currently installed.)
#10 3.712 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-3_s390x.deb ...
#10 3.987 Unpacking libzstd-dev:s390x (1.5.7+dfsg-3) ...
#10 3.987 Setting up libzstd-dev:s390x (1.5.7+dfsg-3) ...
#10 DONE 4.9s

#11 [5/8] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#11 1.722 
#11 1.722 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 1.722 Switch invariant: ["ocaml-base-compiler" {= "5.2.1"}]
#11 8.383 
#11 8.383 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 12.02 -> installed base-bigarray.base
#11 12.02 -> installed base-threads.base
#11 12.02 -> installed base-unix.base
#11 12.03 -> installed ocaml-options-vanilla.1
#11 12.52 -> retrieved ocaml-config.3  (2 extra sources)
#11 13.81 -> retrieved ocaml-base-compiler.5.2.1  (https://opam.ocaml.org/cache)
#11 297.8 -> installed ocaml-base-compiler.5.2.1
#11 297.8 -> installed ocaml-config.3
#11 298.1 -> installed ocaml.5.2.1
#11 298.1 -> installed base-domains.base
#11 298.2 -> installed base-nnp.base
#11 298.8 Done.
#11 298.8 # Run eval $(opam env --switch=5.2) to update the current shell environment
#11 DONE 319.1s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#12 2.350 ocaml-base-compiler is now pinned to version 5.2.1
#12 2.350 
#12 12.22 No package build needed.
#12 12.22 Nothing to do.
#12 12.22 # Run eval $(opam env) to update the current shell environment
#12 DONE 14.6s

#13 [7/8] RUN opam install -y opam-depext
#13 8.780 The following actions will be performed:
#13 8.780   - install opam-depext 1.2.3
#13 8.780 
#13 8.780 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 9.669 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 13.23 -> installed opam-depext.1.2.3
#13 13.23 Done.
#13 13.23 
#13 13.23 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 13.23 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 13.23 # Run eval $(opam env) to update the current shell environment
#13 DONE 19.0s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.7s

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.1s done
#15 writing image sha256:186fd582fc75abbb797fecc6c88ca665b7531c983ecbb49b35578895a589f0ed
#15 writing image sha256:186fd582fc75abbb797fecc6c88ca665b7531c983ecbb49b35578895a589f0ed done
#15 DONE 2.1s

 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 "sha256:186fd582fc75abbb797fecc6c88ca665b7531c983ecbb49b35578895a589f0ed" to "ocurrent/opam-staging:ubuntu-26.04-ocaml-5.2-s390x" as user "ocurrentbuilder"
Login Succeeded
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ubuntu-26.04-ocaml-5.2-s390x: digest: sha256:a6ccae7aaec477778a2549d96af78acf70e74958d841dd49ca0a8a3e8fdad8ca size: 10545
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ubuntu-26.04-ocaml-5.2-s390x: digest: sha256:a6ccae7aaec477778a2549d96af78acf70e74958d841dd49ca0a8a3e8fdad8ca size: 10545
Job succeeded
2026-06-28 00:09.00: Job succeeded