2026-04-26 07:39.53: New job: Build using linux-arm64 in
                                []
2026-04-26 07:39.53: Will push staging image to ocurrent/opam-staging:debian-12-ocaml-5.3-arm32v7

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:b2fbf557e36d98aa3f106a374df1aa933ca4593ad65f60c3f55f27fc3ad2edf2
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
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 [ "/usr/bin/linux32", "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-04-26 07:39.53: Using cache hint "5.3.0-arm32v7-ocurrent/opam-staging@sha256:b2fbf557e36d98aa3f106a374df1aa933ca4593ad65f60c3f55f27fc3ad2edf2"
2026-04-26 07:39.53: Waiting for resource in pool OCluster
2026-04-26 07:39.53: Waiting for worker…
2026-04-26 07:39.53: Got resource from pool OCluster
Building on ainia.caelum.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: 729B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.3s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:2780b5c3bab67f1f76c781860de469442999ed1a0d7992a5efdf2cffc0e3d769
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:b2fbf557e36d98aa3f106a374df1aa933ca4593ad65f60c3f55f27fc3ad2edf2
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.0s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:b2fbf557e36d98aa3f106a374df1aa933ca4593ad65f60c3f55f27fc3ad2edf2
#6 CACHED

#7 [internal] load build context
#7 transferring context: 729B done
#7 DONE 0.0s

#8 [2/8] RUN apt-get -y update
#8 0.468 Hit:1 http://deb.debian.org/debian bookworm InRelease
#8 0.468 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
#8 0.470 Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
#8 0.863 Fetched 103 kB in 1s (152 kB/s)
#8 0.863 Reading package lists...
#8 DONE 1.6s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.217 Reading package lists...
#9 0.963 Building dependency tree...
#9 1.117 Reading state information...
#9 1.149 Calculating upgrade...
#9 1.384 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 0.274 Reading package lists...
#10 1.031 Building dependency tree...
#10 1.173 Reading state information...
#10 1.421 The following NEW packages will be installed:
#10 1.421   libzstd-dev
#10 1.454 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 1.454 Need to get 314 kB of archives.
#10 1.454 After this operation, 889 kB of additional disk space will be used.
#10 1.454 Get:1 http://deb.debian.org/debian bookworm/main armhf libzstd-dev armhf 1.5.4+dfsg2-5 [314 kB]
#10 1.609 debconf: delaying package configuration, since apt-utils is not installed
#10 1.644 Fetched 314 kB in 0s (8251 kB/s)
#10 1.664 Selecting previously unselected package libzstd-dev:armhf.
#10 1.664 (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 ... 18483 files and directories currently installed.)
#10 1.676 Preparing to unpack .../libzstd-dev_1.5.4+dfsg2-5_armhf.deb ...
#10 1.676 Unpacking libzstd-dev:armhf (1.5.4+dfsg2-5) ...
#10 1.731 Setting up libzstd-dev:armhf (1.5.4+dfsg2-5) ...
#10 DONE 1.8s

#11 [5/8] RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
#11 4.312 
#11 4.312 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 4.468 [ocaml-config.3/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#11 4.619 [ocaml-config.3/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#11 4.856 [ocaml-compiler.5.3.0] downloaded from cache at https://opam.ocaml.org/cache
#11 5.712 [ocaml-compiler.5.3.0/ocaml-compiler.install] downloaded from https://opam.ocaml.org/cache
#11 5.713 
#11 5.713 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 5.715 -> installed base-bigarray.base
#11 5.718 -> installed base-threads.base
#11 5.720 -> installed base-unix.base
#11 5.723 -> installed ocaml-option-bytecode-only.1
#11 6.025 -> installed ocaml-options-vanilla.1
#11 43.79 -> installed ocaml-compiler.5.3.0
#11 43.82 -> installed ocaml-base-compiler.5.3.0
#11 43.85 -> installed ocaml-config.3
#11 43.97 -> installed ocaml.5.3.0
#11 43.99 -> installed base-domains.base
#11 44.01 -> installed base-effects.base
#11 44.03 -> installed base-nnp.base
#11 44.28 Done.
#11 44.28 # Run eval $(opam env) to update the current shell environment
#11 DONE 44.4s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.3.0
#12 0.668 ocaml-base-compiler is now pinned to version 5.3.0
#12 0.668 
#12 4.465 No package build needed.
#12 4.465 Nothing to do.
#12 4.465 # Run eval $(opam env) to update the current shell environment
#12 DONE 4.5s

#13 [7/8] RUN opam install -y opam-depext
#13 4.795 The following actions will be performed:
#13 4.795   - install opam-depext 1.2.3
#13 4.795 
#13 4.795 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 5.043 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#13 5.070 
#13 5.070 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.824 -> installed opam-depext.1.2.3
#13 6.834 Done.
#13 6.835 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.9s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.0s

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.2s done
#15 writing image sha256:cad405daab37ed116a59158cd530e76236f7f4ae0b5ea7eff1a750b9956fdbde done
#15 DONE 1.3s

 1 warning found (use docker --debug to expand):
 - InvalidBaseImagePlatform: Base image ocurrent/opam-staging@sha256:b2fbf557e36d98aa3f106a374df1aa933ca4593ad65f60c3f55f27fc3ad2edf2 was pulled with platform "linux/arm/v7", expected "linux/arm64" for current build (line 3)
Pushing "sha256:cad405daab37ed116a59158cd530e76236f7f4ae0b5ea7eff1a750b9956fdbde" to "ocurrent/opam-staging:debian-12-ocaml-5.3-arm32v7" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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debian-12-ocaml-5.3-arm32v7: digest: sha256:ca5b8a75d08284fba9013e767d030ad4528fa0a44581432eb73f7c58899d3a59 size: 10331
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Job succeeded
2026-04-26 07:42.25: Job succeeded