2026-06-06 06:54.55: New job: Build using linux-arm64 in
                                []
2026-06-06 06:54.55: Will push staging image to ocurrent/opam-staging:ubuntu-24.04-ocaml-5.5-beta1-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
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 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 06:54.55: Using cache hint "5.5.0~beta1-arm64-ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63"
2026-06-06 08:47.01: Waiting for worker…
2026-06-06 08:47.01: Got resource from pool OCluster
Building on molpadia.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: 769B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 1.3s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
#4 DONE 0.0s

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

#6 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
#6 CACHED

#7 [internal] load build context
#7 transferring context: 769B done
#7 DONE 0.0s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.799 [beta] Initialised
#8 DONE 1.1s

#9 [3/9] RUN apt-get -y update
#9 0.497 Hit:1 http://ports.ubuntu.com/ubuntu-ports noble InRelease
#9 0.573 Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates InRelease [126 kB]
#9 0.916 Hit:3 http://ports.ubuntu.com/ubuntu-ports noble-backports InRelease
#9 1.002 Hit:4 http://ports.ubuntu.com/ubuntu-ports noble-security InRelease
#9 1.015 Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/main arm64 Packages [2667 kB]
#9 1.196 Fetched 2793 kB in 1s (3096 kB/s)
#9 1.196 Reading package lists...
#9 DONE 2.4s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.265 Reading package lists...
#10 1.411 Building dependency tree...
#10 1.674 Reading state information...
#10 1.741 Calculating upgrade...
#10 2.114 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 2.1s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.209 Reading package lists...
#11 1.336 Building dependency tree...
#11 1.599 Reading state information...
#11 1.977 The following NEW packages will be installed:
#11 1.978   libzstd-dev
#11 2.039 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 2.039 Need to get 344 kB of archives.
#11 2.039 After this operation, 1163 kB of additional disk space will be used.
#11 2.039 Get:1 http://ports.ubuntu.com/ubuntu-ports noble-updates/main arm64 libzstd-dev arm64 1.5.5+dfsg2-2build1.1 [344 kB]
#11 2.251 debconf: delaying package configuration, since apt-utils is not installed
#11 2.307 Fetched 344 kB in 0s (3831 kB/s)
#11 2.332 Selecting previously unselected package libzstd-dev:arm64.
#11 2.332 (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 ... 16340 files and directories currently installed.)
#11 2.345 Preparing to unpack .../libzstd-dev_1.5.5+dfsg2-2build1.1_arm64.deb ...
#11 2.346 Unpacking libzstd-dev:arm64 (1.5.5+dfsg2-2build1.1) ...
#11 2.387 Setting up libzstd-dev:arm64 (1.5.5+dfsg2-2build1.1) ...
#11 DONE 2.4s

#12 [6/9] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#12 0.610 
#12 0.610 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.610 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#12 7.090 
#12 7.090 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 9.789 -> installed base-bigarray.base
#12 9.798 -> installed base-threads.base
#12 9.799 -> installed base-unix.base
#12 9.800 -> installed compiler-cloning.enabled
#12 9.801 -> installed ocaml-options-vanilla.1
#12 9.817 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 10.44 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#12 123.8 -> installed ocaml-compiler.5.5.0~beta1
#12 123.8 -> installed ocaml-base-compiler.5.5.0~beta1
#12 124.0 -> installed ocaml.5.5.0
#12 124.0 -> installed base-domains.base
#12 124.0 -> installed base-effects.base
#12 124.0 -> installed base-nnp.base
#12 124.3 Done.
#12 124.3 
#12 124.3 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#12 124.3 => This switch had to be compiled from sources, but future switches with the 🐌
#12 124.3    same compiler version and configuration should assemble instantly.
#12 124.3 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#12 DONE 126.2s

#13 [7/9] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#13 0.631 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#13 0.631 
#13 7.188 Already up-to-date.
#13 7.188 Nothing to do.
#13 7.191 # Run eval $(opam env) to update the current shell environment
#13 DONE 7.2s

#14 [8/9] RUN opam install -y opam-depext
#14 7.289 The following actions will be performed:
#14 7.289   - install opam-depext 1.2.3
#14 7.289 
#14 7.289 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 7.550 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 11.04 -> installed opam-depext.1.2.3
#14 11.05 Done.
#14 11.05 
#14 11.05 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 11.05 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 11.05 # Run eval $(opam env) to update the current shell environment
#14 DONE 12.3s

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

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.8s done
#16 writing image sha256:aa1779e01ca0e76fc6ae3b22c9b38fbaa0298be366d880d1866e96d4871ef18a done
#16 DONE 1.8s

 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:aa1779e01ca0e76fc6ae3b22c9b38fbaa0298be366d880d1866e96d4871ef18a" to "ocurrent/opam-staging:ubuntu-24.04-ocaml-5.5-beta1-arm64" as user "ocurrentbuilder"
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Job succeeded
2026-06-06 08:50.32: Job succeeded