2026-07-25 20:58.16: New job: Build using linux-s390x in
                                []
2026-07-25 20:58.16: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.6-no-flat-float-array-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
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,ocaml-options-only-no-flat-float-array
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" ]


2026-07-25 20:58.16: Using cache hint "5.6.0+no-flat-float-array-s390x-ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7"
2026-07-25 20:58.16: Waiting for resource in pool OCluster
2026-07-27 18:11.55: Waiting for worker…
2026-07-27 18:15.39: 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: 792B done
#1 DONE 0.2s

#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@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#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@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#6 CACHED

#7 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#7 0.944 [beta] Initialised
#7 DONE 5.0s

#8 [3/9] RUN apt-get -y update
#8 0.573 Hit:1 http://deb.debian.org/debian trixie InRelease
#8 0.578 Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
#8 0.606 Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
#8 0.625 Get:4 http://deb.debian.org/debian trixie-updates/main s390x Packages.diff/Index [4995 B]
#8 0.640 Get:5 http://deb.debian.org/debian-security trixie-security/main s390x Packages [216 kB]
#8 0.868 Get:6 http://deb.debian.org/debian trixie-updates/main s390x Packages T-2026-07-18-0800.33-F-2026-07-18-0800.33.pdiff [4350 B]
#8 0.878 Get:6 http://deb.debian.org/debian trixie-updates/main s390x Packages T-2026-07-18-0800.33-F-2026-07-18-0800.33.pdiff [4350 B]
#8 0.884 Fetched 316 kB in 0s (835 kB/s)
#8 0.884 Reading package lists...
#8 DONE 1.5s

#9 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.328 Reading package lists...
#9 0.887 Building dependency tree...
#9 0.961 Reading state information...
#9 0.991 Calculating upgrade...
#9 1.125 The following packages will be upgraded:
#9 1.125   linux-libc-dev
#9 1.194 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 1.194 Need to get 2859 kB of archives.
#9 1.194 After this operation, 8192 B of additional disk space will be used.
#9 1.194 Get:1 http://deb.debian.org/debian-security trixie-security/main s390x linux-libc-dev all 6.12.96-1 [2859 kB]
#9 2.005 Fetched 2859 kB in 0s (16.7 MB/s)
#9 2.023 (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 ... 20382 files and directories currently installed.)
#9 2.067 Preparing to unpack .../linux-libc-dev_6.12.96-1_all.deb ...
#9 2.072 Unpacking linux-libc-dev (6.12.96-1) over (6.12.95-1) ...
#9 4.909 Setting up linux-libc-dev (6.12.96-1) ...
#9 DONE 5.0s

#10 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.386 Reading package lists...
#10 0.955 Building dependency tree...
#10 1.027 Reading state information...
#10 1.179 The following NEW packages will be installed:
#10 1.179   libzstd-dev
#10 1.252 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 1.252 Need to get 391 kB of archives.
#10 1.252 After this operation, 1480 kB of additional disk space will be used.
#10 1.252 Get:1 http://deb.debian.org/debian trixie/main s390x libzstd-dev s390x 1.5.7+dfsg-1 [391 kB]
#10 1.971 Fetched 391 kB in 0s (3595 kB/s)
#10 1.987 Selecting previously unselected package libzstd-dev:s390x.
#10 1.987 (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 ... 20382 files and directories currently installed.)
#10 1.992 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-1_s390x.deb ...
#10 1.993 Unpacking libzstd-dev:s390x (1.5.7+dfsg-1) ...
#10 2.042 Setting up libzstd-dev:s390x (1.5.7+dfsg-1) ...
#10 DONE 2.1s

#11 [internal] load build context
#11 transferring context: 792B done
#11 DONE 0.2s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk,ocaml-options-only-no-flat-float-array
#12 0.757 
#12 0.757 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.757 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"} "ocaml-options-only-no-flat-float-array"]
#12 5.999 
#12 5.999 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.407 -> installed base-bigarray.base
#12 8.408 -> installed base-threads.base
#12 8.409 -> installed base-unix.base
#12 8.410 -> installed host-arch-s390x.1
#12 8.410 -> installed host-system-other.1
#12 8.423 -> installed ocaml-option-bytecode-only.1
#12 8.424 -> installed ocaml-option-no-flat-float-array.1
#12 8.425 -> installed ocaml-options-only-no-flat-float-array.1+bytecode-only
#12 8.435 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 8.724 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 115.6 -> installed ocaml-compiler.5.6
#12 115.6 -> installed ocaml-variants.5.6.0+trunk
#12 115.7 -> installed ocaml.5.6.0
#12 115.7 -> installed base-domains.base
#12 115.7 -> installed base-effects.base
#12 115.7 -> installed base-nnp.base
#12 115.9 Done.
#12 115.9 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 118.8s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 0.789 ocaml-variants is now pinned to version 5.6.0+trunk
#13 0.789 
#13 6.176 Already up-to-date.
#13 6.176 Nothing to do.
#13 6.177 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.8s

#14 [8/9] RUN opam install -y opam-depext
#14 6.034 The following actions will be performed:
#14 6.035   - install opam-depext 1.2.3
#14 6.035 
#14 6.035 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.674 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.27 -> installed opam-depext.1.2.3
#14 10.30 Done.
#14 10.30 
#14 10.30 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.30 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.30 # Run eval $(opam env) to update the current shell environment
#14 DONE 13.0s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.2s

#16 exporting to image
#16 exporting layers
#16 exporting layers 0.7s done
#16 writing image sha256:3e6ca8d2f1802b06e08bf3b2f6818b4a7100ab1b27a6976a31792c23f3328e55 done
#16 DONE 0.8s

 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 "sha256:3e6ca8d2f1802b06e08bf3b2f6818b4a7100ab1b27a6976a31792c23f3328e55" to "ocurrent/opam-staging:debian-13-ocaml-5.6-no-flat-float-array-s390x" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-5.6-no-flat-float-array-s390x: digest: sha256:f151adadb170ff23b3342fd7e75d595f40f9f31d7dd8177fbb6cfba03d813878 size: 10336
Job succeeded
2026-07-27 18:18.18: Job succeeded