2026-06-06 07:05.35: New job: Build using linux-arm64 in
                                []
2026-06-06 07:05.35: Will push staging image to ocurrent/opam-staging:debian-12-ocaml-5.6-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
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 07:05.35: Using cache hint "5.6.0-arm64-ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47"
2026-06-06 11:29.45: Waiting for worker…
2026-06-06 11:29.45: Got resource from pool OCluster
Building on kydoime.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: 753B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.4s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
#4 DONE 0.0s

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

#6 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
#6 CACHED

#7 [internal] load build context
#7 transferring context: 753B done
#7 DONE 0.0s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.954 [beta] Initialised
#8 DONE 1.3s

#9 [3/9] RUN apt-get -y update
#9 0.560 Hit:1 http://deb.debian.org/debian bookworm InRelease
#9 0.560 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
#9 0.561 Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
#9 0.911 Get:4 http://deb.debian.org/debian-security bookworm-security/main arm64 Packages [303 kB]
#9 0.967 Fetched 406 kB in 1s (622 kB/s)
#9 0.967 Reading package lists...
#9 DONE 1.5s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.297 Reading package lists...
#10 0.851 Building dependency tree...
#10 1.009 Reading state information...
#10 1.045 Calculating upgrade...
#10 1.272 The following packages will be upgraded:
#10 1.273   linux-libc-dev
#10 1.301 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 1.301 Need to get 2248 kB of archives.
#10 1.301 After this operation, 1024 B of additional disk space will be used.
#10 1.301 Get:1 http://deb.debian.org/debian-security bookworm-security/main arm64 linux-libc-dev arm64 6.1.174-1 [2248 kB]
#10 1.505 debconf: delaying package configuration, since apt-utils is not installed
#10 1.549 Fetched 2248 kB in 0s (34.2 MB/s)
#10 1.574 (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 ... 18778 files and directories currently installed.)
#10 1.596 Preparing to unpack .../linux-libc-dev_6.1.174-1_arm64.deb ...
#10 1.597 Unpacking linux-libc-dev:arm64 (6.1.174-1) over (6.1.172-1) ...
#10 2.165 Setting up linux-libc-dev:arm64 (6.1.174-1) ...
#10 DONE 2.2s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.268 Reading package lists...
#11 0.822 Building dependency tree...
#11 0.979 Reading state information...
#11 1.217 The following NEW packages will be installed:
#11 1.217   libzstd-dev
#11 1.289 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.289 Need to get 317 kB of archives.
#11 1.289 After this operation, 1139 kB of additional disk space will be used.
#11 1.289 Get:1 http://deb.debian.org/debian bookworm/main arm64 libzstd-dev arm64 1.5.4+dfsg2-5 [317 kB]
#11 1.620 debconf: delaying package configuration, since apt-utils is not installed
#11 1.658 Fetched 317 kB in 0s (1260 kB/s)
#11 1.680 Selecting previously unselected package libzstd-dev:arm64.
#11 1.680 (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 ... 18778 files and directories currently installed.)
#11 1.693 Preparing to unpack .../libzstd-dev_1.5.4+dfsg2-5_arm64.deb ...
#11 1.693 Unpacking libzstd-dev:arm64 (1.5.4+dfsg2-5) ...
#11 1.745 Setting up libzstd-dev:arm64 (1.5.4+dfsg2-5) ...
#11 DONE 1.8s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.683 
#12 0.683 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.683 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 6.416 
#12 6.416 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 9.009 -> installed base-bigarray.base
#12 9.010 -> installed base-threads.base
#12 9.012 -> installed base-unix.base
#12 9.026 -> installed host-arch-arm64.1
#12 9.027 -> installed host-system-other.1
#12 9.048 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 9.371 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 121.5 -> installed ocaml-compiler.5.6
#12 121.5 -> installed ocaml-variants.5.6.0+trunk
#12 121.6 -> installed ocaml.5.6.0
#12 121.6 -> installed base-domains.base
#12 121.6 -> installed base-effects.base
#12 121.6 -> installed base-nnp.base
#12 122.0 Done.
#12 122.0 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 123.6s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 0.614 ocaml-variants is now pinned to version 5.6.0+trunk
#13 0.614 
#13 6.567 Already up-to-date.
#13 6.567 Nothing to do.
#13 6.567 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.6s

#14 [8/9] RUN opam install -y opam-depext
#14 6.662 The following actions will be performed:
#14 6.662   - install opam-depext 1.2.3
#14 6.662 
#14 6.662 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.811 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.10 -> installed opam-depext.1.2.3
#14 10.12 Done.
#14 10.12 
#14 10.12 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.12 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.12 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.5s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.0s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.7s done
#16 writing image sha256:963500a1498518a8e864be1306a842a9b4ae77b5e9e9f1d2ec14b0430125a923 done
#16 DONE 1.7s

 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 "sha256:963500a1498518a8e864be1306a842a9b4ae77b5e9e9f1d2ec14b0430125a923" to "ocurrent/opam-staging:debian-12-ocaml-5.6-arm64" as user "ocurrentbuilder"
Login Succeeded
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debian-12-ocaml-5.6-arm64: digest: sha256:eed438800698cdb89a4aa12c97d606c410a2ce476f9c9c381af77f868d31e3cb size: 10341
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debian-12-ocaml-5.6-arm64: digest: sha256:eed438800698cdb89a4aa12c97d606c410a2ce476f9c9c381af77f868d31e3cb size: 10341
Job succeeded
2026-06-06 11:33.30: Job succeeded