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-5.3-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba
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 07:22.46: Using cache hint "5.3.0-s390x-ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba"
2026-06-06 13:25.29: Waiting for worker…
2026-06-06 13:25.35: 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 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 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:b8697a6050ba92a462deb349d87356871ee8f6d68f6eeeec6bbc23c5dd09c3ba
#5 CACHED

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

#7 [2/8] RUN apt-get -y update
#7 0.722 Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
#7 0.819 Get:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease [128 kB]
#7 1.242 Hit:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
#7 1.354 Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
#7 1.405 Fetched 128 kB in 1s (128 kB/s)
#7 1.405 Reading package lists...
#7 ...

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

#7 [2/8] RUN apt-get -y update
#7 1.405 Reading package lists...
#7 DONE 2.1s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.568 Reading package lists...
#9 1.192 Building dependency tree...
#9 1.264 Reading state information...
#9 1.287 Calculating upgrade...
#9 1.403 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 DONE 1.4s

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.603 Reading package lists...
#10 1.227 Building dependency tree...
#10 1.299 Reading state information...
#10 1.408 The following NEW packages will be installed:
#10 1.409   libzstd-dev
#10 1.808 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 1.808 Need to get 406 kB of archives.
#10 1.808 After this operation, 1521 kB of additional disk space will be used.
#10 1.808 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy/main s390x libzstd-dev s390x 1.4.8+dfsg-3build1 [406 kB]
#10 1.997 debconf: delaying package configuration, since apt-utils is not installed
#10 2.016 Fetched 406 kB in 0s (959 kB/s)
#10 2.038 Selecting previously unselected package libzstd-dev:s390x.
#10 2.038 (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 2.082 Preparing to unpack .../libzstd-dev_1.4.8+dfsg-3build1_s390x.deb ...
#10 2.083 Unpacking libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 2.118 Setting up libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 DONE 2.2s

#11 [5/8] RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
#11 0.826 
#11 0.826 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.826 Switch invariant: ["ocaml-base-compiler" {= "5.3.0"}]
#11 6.203 
#11 6.203 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 7.211 -> installed base-bigarray.base
#11 7.222 -> installed base-threads.base
#11 7.222 -> installed base-unix.base
#11 7.223 -> installed ocaml-options-vanilla.1
#11 7.811 -> retrieved ocaml-config.3  (2 extra sources)
#11 8.176 -> retrieved ocaml-compiler.5.3.0  (https://opam.ocaml.org/cache)
#11 190.3 -> installed ocaml-compiler.5.3.0
#11 190.3 -> installed ocaml-base-compiler.5.3.0
#11 190.3 -> installed ocaml-config.3
#11 190.4 -> installed ocaml.5.3.0
#11 190.4 -> installed base-domains.base
#11 190.4 -> installed base-effects.base
#11 190.4 -> installed base-nnp.base
#11 190.6 Done.
#11 190.6 # Run eval $(opam env --switch=5.3) to update the current shell environment
#11 DONE 195.4s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.3.0
#12 0.850 ocaml-base-compiler is now pinned to version 5.3.0
#12 0.850 
#12 6.551 No package build needed.
#12 6.551 Nothing to do.
#12 6.552 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.6s

#13 [7/8] RUN opam install -y opam-depext
#13 6.627 The following actions will be performed:
#13 6.627   - install opam-depext 1.2.3
#13 6.627 
#13 6.627 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 7.359 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 9.189 -> installed opam-depext.1.2.3
#13 9.202 Done.
#13 9.203 
#13 9.203 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 9.203 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 9.203 # Run eval $(opam env) to update the current shell environment
#13 DONE 10.3s

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

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.1s done
#15 writing image sha256:f1bc33b5a559d92a2ff1226dac13b3658e8fc7c6b2100ebf3eb66b26a3f45fa4 done
#15 DONE 1.1s

 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:f1bc33b5a559d92a2ff1226dac13b3658e8fc7c6b2100ebf3eb66b26a3f45fa4" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-5.3-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 13:30.02: Job succeeded