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-5.6-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d
RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
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 5.6 --packages=ocaml-variants.5.6.0+trunk
RUN opam pin add -k version ocaml-variants 5.6.0+trunk
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 "5.6.0-s390x-ocurrent/opam-staging@sha256:09fb55294f1159f8d7244f03a258f3e625b0dd1510e0bd2f379f5c4e8bc3481d"
2026-06-27 17:53.51: Waiting for resource in pool OCluster
2026-06-28 00:03.01: Waiting for worker…
2026-06-28 00:10.02: 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: 753B done
#1 DONE 0.1s

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

#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: 2B done
#5 DONE 0.1s

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

#7 [internal] load build context
#7 transferring context: 753B done
#7 DONE 0.2s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.772 [beta] Initialised
#8 DONE 1.2s

#9 [3/9] RUN apt-get -y update
#9 0.572 Hit:1 http://ports.ubuntu.com/ubuntu-ports resolute InRelease
#9 0.671 Get:2 http://ports.ubuntu.com/ubuntu-ports resolute-updates InRelease [137 kB]
#9 1.097 Hit:3 http://ports.ubuntu.com/ubuntu-ports resolute-backports InRelease
#9 1.202 Hit:4 http://ports.ubuntu.com/ubuntu-ports resolute-security InRelease
#9 1.226 Get:5 http://ports.ubuntu.com/ubuntu-ports resolute-updates/main s390x Packages [247 kB]
#9 1.250 Get:6 http://ports.ubuntu.com/ubuntu-ports resolute-updates/universe s390x Packages [187 kB]
#9 1.273 Fetched 571 kB in 1s (565 kB/s)
#9 1.273 Reading package lists...
#9 DONE 2.0s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.343 Reading package lists...
#10 1.002 Building dependency tree...
#10 1.084 Reading state information...
#10 1.119 Calculating upgrade...
#10 1.242 The following packages were automatically installed and are no longer required:
#10 1.242   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#10 1.242   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#10 1.242   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#10 1.242   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#10 1.242   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#10 1.242   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#10 1.242   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libcrypt-dev
#10 1.242   libctf-nobfd0 libctf0 libdpkg-perl libfakeroot libfile-fcntllock-perl
#10 1.242   libgcc-15-dev libgomp1 libisl23 libitm1 libjansson4 libksba8
#10 1.242   liblocale-gettext-perl liblsan0 libmpc3 libmpfr6 libnpth0t64 libsframe3
#10 1.243   libstdc++-15-dev libtsan2 libubsan1 linux-libc-dev lto-disabled-list make
#10 1.243   manpages manpages-dev pinentry-curses rpcsvc-proto xz-utils
#10 1.243 Use 'apt autoremove' to remove them.
#10 1.264 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 1.4s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.335 Reading package lists...
#11 1.002 Building dependency tree...
#11 1.084 Reading state information...
#11 1.108 Solving dependencies...
#11 1.224 The following packages were automatically installed and are no longer required:
#11 1.224   binutils binutils-common binutils-s390x-linux-gnu bzip2 cpp cpp-15
#11 1.224   cpp-15-s390x-linux-gnu cpp-s390x-linux-gnu dirmngr dpkg-dev fakeroot g++
#11 1.224   g++-15 g++-15-s390x-linux-gnu g++-s390x-linux-gnu gcc gcc-15 gcc-15-base
#11 1.225   gcc-15-s390x-linux-gnu gcc-s390x-linux-gnu gnupg gnupg-l10n gnupg-utils gpg
#11 1.225   gpg-agent gpg-wks-client gpgconf gpgsm libalgorithm-diff-perl
#11 1.225   libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan8 libassuan9
#11 1.225   libatomic1 libbinutils libc-dev-bin libc6-dev libcc1-0 libcrypt-dev
#11 1.225   libctf-nobfd0 libctf0 libdpkg-perl libfakeroot libfile-fcntllock-perl
#11 1.225   libgcc-15-dev libgomp1 libisl23 libitm1 libjansson4 libksba8
#11 1.225   liblocale-gettext-perl liblsan0 libmpc3 libmpfr6 libnpth0t64 libsframe3
#11 1.226   libstdc++-15-dev libtsan2 libubsan1 linux-libc-dev lto-disabled-list make
#11 1.226   manpages manpages-dev pinentry-curses rpcsvc-proto xz-utils
#11 1.226 Use 'apt autoremove' to remove them.
#11 1.245 The following NEW packages will be installed:
#11 1.246   libzstd-dev
#11 1.330 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.330 Need to get 414 kB of archives.
#11 1.330 After this operation, 1435 kB of additional disk space will be used.
#11 1.330 Get:1 http://ports.ubuntu.com/ubuntu-ports resolute/main s390x libzstd-dev s390x 1.5.7+dfsg-3 [414 kB]
#11 2.158 Fetched 414 kB in 0s (4323 kB/s)
#11 2.180 Selecting previously unselected package libzstd-dev:s390x.
#11 2.180 (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.)
#11 2.182 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-3_s390x.deb ...
#11 2.184 Unpacking libzstd-dev:s390x (1.5.7+dfsg-3) ...
#11 2.221 Setting up libzstd-dev:s390x (1.5.7+dfsg-3) ...
#11 DONE 2.4s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.714 
#12 0.714 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.714 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 6.064 
#12 6.064 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.129 -> installed base-bigarray.base
#12 8.129 -> installed base-threads.base
#12 8.138 -> installed base-unix.base
#12 8.145 -> installed host-arch-s390x.1
#12 8.145 -> installed host-system-other.1
#12 8.187 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 8.464 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 332.5 -> installed ocaml-compiler.5.6
#12 332.5 -> installed ocaml-variants.5.6.0+trunk
#12 332.6 -> installed ocaml.5.6.0
#12 332.6 -> installed base-domains.base
#12 332.6 -> installed base-effects.base
#12 332.9 -> installed base-nnp.base
#12 333.4 Done.
#12 333.4 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 372.1s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 8.472 ocaml-variants is now pinned to version 5.6.0+trunk
#13 8.472 
#13 22.33 Already up-to-date.
#13 22.33 Nothing to do.
#13 22.34 # Run eval $(opam env) to update the current shell environment
#13 DONE 44.9s

#14 [8/9] RUN opam install -y opam-depext
#14 12.51 The following actions will be performed:
#14 12.51   - install opam-depext 1.2.3
#14 12.51 
#14 12.51 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 13.57 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 29.84 -> installed opam-depext.1.2.3
#14 29.94 Done.
#14 29.94 
#14 29.94 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 29.94 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 29.94 # Run eval $(opam env) to update the current shell environment
#14 DONE 68.7s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 7.9s

#16 exporting to image
#16 exporting layers
#16 exporting layers 8.8s done
#16 writing image sha256:842cb049788c055f682e580773ef43e66b7b529d3159ca3b092391b8b0a5d8e5
#16 writing image sha256:842cb049788c055f682e580773ef43e66b7b529d3159ca3b092391b8b0a5d8e5 0.0s done
#16 DONE 9.0s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 15)
Pushing "sha256:842cb049788c055f682e580773ef43e66b7b529d3159ca3b092391b8b0a5d8e5" to "ocurrent/opam-staging:ubuntu-26.04-ocaml-5.6-s390x" as user "ocurrentbuilder"
Login Succeeded
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ubuntu-26.04-ocaml-5.6-s390x: digest: sha256:eb946a8655ea1b0b6f4a3170c325951f6965915863b700f9010bd0c273d9c06a size: 10756
Job succeeded
2026-06-28 00:19.14: Job succeeded