2026-06-06 07:22.46: New job: Build using linux-s390x in
                                []
2026-06-06 07:22.46: Will push staging image to ocurrent/opam-staging:ubuntu-22.04-ocaml-5.6-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba
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" ]


2026-06-06 07:22.46: Using cache hint "5.6.0-s390x-ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba"
2026-06-06 14:17.37: Waiting for worker…
2026-06-06 14:17.37: 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:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba
#4 DONE 0.0s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba
#6 CACHED

#7 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#7 0.904 [beta] Initialised
#7 DONE 1.5s

#8 [3/9] RUN apt-get -y update
#8 0.715 Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
#8 0.823 Get:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease [128 kB]
#8 1.274 Hit:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
#8 1.389 Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
#8 1.436 Fetched 128 kB in 1s (130 kB/s)
#8 1.436 Reading package lists...
#8 DONE 2.2s

#9 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.498 Reading package lists...
#9 1.126 Building dependency tree...
#9 1.203 Reading state information...
#9 1.224 Calculating upgrade...
#9 1.347 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 DONE 1.5s

#10 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.505 Reading package lists...
#10 1.117 Building dependency tree...
#10 1.189 Reading state information...
#10 1.314 The following NEW packages will be installed:
#10 1.314   libzstd-dev
#10 1.468 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 1.468 Need to get 406 kB of archives.
#10 1.468 After this operation, 1521 kB of additional disk space will be used.
#10 1.468 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy/main s390x libzstd-dev s390x 1.4.8+dfsg-3build1 [406 kB]
#10 1.727 debconf: delaying package configuration, since apt-utils is not installed
#10 1.767 Fetched 406 kB in 0s (2263 kB/s)
#10 1.793 Selecting previously unselected package libzstd-dev:s390x.
#10 1.793 (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 ... 15422 files and directories currently installed.)
#10 1.914 Preparing to unpack .../libzstd-dev_1.4.8+dfsg-3build1_s390x.deb ...
#10 1.914 Unpacking libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 1.941 Setting up libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 DONE 2.1s

#11 [internal] load build context
#11 transferring context: 753B done
#11 DONE 0.1s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.770 
#12 0.770 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.770 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 7.079 
#12 7.079 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.071 -> installed base-bigarray.base
#12 8.071 -> installed base-threads.base
#12 8.072 -> installed base-unix.base
#12 8.078 -> installed host-arch-s390x.1
#12 8.079 -> installed host-system-other.1
#12 8.088 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 8.399 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 198.6 -> installed ocaml-compiler.5.6
#12 198.6 -> installed ocaml-variants.5.6.0+trunk
#12 198.7 -> installed ocaml.5.6.0
#12 198.7 -> installed base-domains.base
#12 198.7 -> installed base-effects.base
#12 198.7 -> installed base-nnp.base
#12 198.9 Done.
#12 198.9 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 204.2s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 0.856 ocaml-variants is now pinned to version 5.6.0+trunk
#13 0.856 
#13 6.221 Already up-to-date.
#13 6.221 Nothing to do.
#13 6.221 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.6s

#14 [8/9] RUN opam install -y opam-depext
#14 6.217 The following actions will be performed:
#14 6.217   - install opam-depext 1.2.3
#14 6.217 
#14 6.217 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.876 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 9.566 -> installed opam-depext.1.2.3
#14 9.572 Done.
#14 9.572 
#14 9.572 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 9.572 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 9.572 # Run eval $(opam env) to update the current shell environment
#14 DONE 10.9s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.1s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.0s done
#16 writing image sha256:5e80bded0ae20e604bc37074bf5219b4c28ce27c5fd95e1efd0dcba151b9c409 done
#16 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 15)
Pushing "sha256:5e80bded0ae20e604bc37074bf5219b4c28ce27c5fd95e1efd0dcba151b9c409" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-5.6-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 14:21.50: Job succeeded