2026-04-05 02:26.57: New job: Build using linux-s390x in
                                []
2026-04-05 02:26.57: Will push staging image to ocurrent/opam-staging:debian-12-ocaml-5.2-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:33fe8e4bb7db614ceaf572d5fad1a2bed130c38b11a6fb684f21348acbc33ca6
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" ]


2026-04-05 02:26.57: Using cache hint "5.2.1-s390x-ocurrent/opam-staging@sha256:33fe8e4bb7db614ceaf572d5fad1a2bed130c38b11a6fb684f21348acbc33ca6"
2026-04-05 02:26.57: Waiting for resource in pool OCluster
2026-04-05 10:57.11: Waiting for worker…
2026-04-05 11:04.08: 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@sha256:4a43a54dd1fedceb30ba47e76cfcf2b47304f4161c0caeac2db1c61804ea3c91
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:33fe8e4bb7db614ceaf572d5fad1a2bed130c38b11a6fb684f21348acbc33ca6
#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@sha256:33fe8e4bb7db614ceaf572d5fad1a2bed130c38b11a6fb684f21348acbc33ca6
#6 CACHED

#7 [2/8] RUN apt-get -y update
#7 1.081 Hit:1 http://deb.debian.org/debian bookworm InRelease
#7 1.137 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
#7 1.169 Hit:3 http://deb.debian.org/debian-security bookworm-security InRelease
#7 1.594 Fetched 55.4 kB in 1s (80.6 kB/s)
#7 1.594 Reading package lists...
#7 DONE 4.9s

#8 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#8 0.602 Reading package lists...
#8 1.092 Building dependency tree...
#8 1.169 Reading state information...
#8 1.191 Calculating upgrade...
#8 1.370 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#8 DONE 1.5s

#9 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 0.466 Reading package lists...
#9 0.957 Building dependency tree...
#9 1.031 Reading state information...
#9 1.157 The following NEW packages will be installed:
#9 1.157   libzstd-dev
#9 1.279 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#9 1.279 Need to get 315 kB of archives.
#9 1.279 After this operation, 1299 kB of additional disk space will be used.
#9 1.279 Get:1 http://deb.debian.org/debian bookworm/main s390x libzstd-dev s390x 1.5.4+dfsg2-5 [315 kB]
#9 2.164 debconf: delaying package configuration, since apt-utils is not installed
#9 2.242 Fetched 315 kB in 0s (1972 kB/s)
#9 2.455 Selecting previously unselected package libzstd-dev:s390x.
#9 2.455 (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 ... 18528 files and directories currently installed.)
#9 3.580 Preparing to unpack .../libzstd-dev_1.5.4+dfsg2-5_s390x.deb ...
#9 3.583 Unpacking libzstd-dev:s390x (1.5.4+dfsg2-5) ...
#9 3.660 Setting up libzstd-dev:s390x (1.5.4+dfsg2-5) ...
#9 DONE 3.8s

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

#11 [5/8] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#11 3.578 
#11 3.578 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 3.914 [ocaml-config.3/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#11 4.246 [ocaml-config.3/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#11 4.545 [ocaml-base-compiler.5.2.1] downloaded from cache at https://opam.ocaml.org/cache
#11 5.342 [ocaml-base-compiler.5.2.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#11 5.342 
#11 5.342 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 5.525 -> installed base-bigarray.base
#11 5.572 -> installed base-threads.base
#11 5.573 -> installed base-unix.base
#11 5.574 -> installed ocaml-options-vanilla.1
#11 185.7 -> installed ocaml-base-compiler.5.2.1
#11 185.8 -> installed ocaml-config.3
#11 185.9 -> installed ocaml.5.2.1
#11 185.9 -> installed base-domains.base
#11 186.0 -> installed base-nnp.base
#11 186.2 Done.
#11 186.2 # Run eval $(opam env) to update the current shell environment
#11 DONE 187.8s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#12 0.848 ocaml-base-compiler is now pinned to version 5.2.1
#12 0.848 
#12 3.905 No package build needed.
#12 3.905 Nothing to do.
#12 3.906 # Run eval $(opam env) to update the current shell environment
#12 DONE 4.0s

#13 [7/8] RUN opam install -y opam-depext
#13 4.115 The following actions will be performed:
#13 4.115   - install opam-depext 1.2.3
#13 4.115 
#13 4.115 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 4.717 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#13 4.736 
#13 4.736 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.065 -> installed opam-depext.1.2.3
#13 6.074 Done.
#13 6.074 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.2s

#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 sha256:3a2e21d963ea9296c6316f47dbb5fb1d1acd4a31988c7a7dad598a492e9b6ee6
#15 writing image sha256:3a2e21d963ea9296c6316f47dbb5fb1d1acd4a31988c7a7dad598a492e9b6ee6 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 "sha256:3a2e21d963ea9296c6316f47dbb5fb1d1acd4a31988c7a7dad598a492e9b6ee6" to "ocurrent/opam-staging:debian-12-ocaml-5.2-s390x" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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debian-12-ocaml-5.2-s390x: digest: sha256:c6c7c724522daf32ff98a20dedf45b09971277823f332c2bcdbbcc9359111dfd size: 10332
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debian-12-ocaml-5.2-s390x: digest: sha256:c6c7c724522daf32ff98a20dedf45b09971277823f332c2bcdbbcc9359111dfd size: 10332
Job succeeded
2026-04-05 11:08.09: Job succeeded