2026-05-30 07:47.47: New job: Build using linux-x86_64 in
                                []
2026-05-30 07:47.47: Will push staging image to ocurrent/opam-staging:alpine-3.23-ocaml-5.5-beta1-amd64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
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 apk update && apk upgrade
RUN apk add zstd
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" ]


2026-05-30 07:47.47: Using cache hint "5.5.0~beta1-amd64-ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021"
2026-05-30 16:25.19: Waiting for worker…
2026-05-30 16:25.19: Got resource from pool OCluster
Building on eumache.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: 674B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.5s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#4 DONE 0.5s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#6 CACHED

#7 [internal] load build context
#7 transferring context: 674B done
#7 DONE 0.0s

#8 [2/8] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.907 [beta] Initialised
#8 DONE 1.3s

#9 [3/8] RUN apk update && apk upgrade
#9 1.617 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]
#9 1.617 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]
#9 1.617 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/main]
#9 1.617 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/community]
#9 1.617 v20260127-10635-g2d2f89cc295 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]
#9 1.617 OK: 62367 distinct packages available
#9 2.461 (1/4) Upgrading libcurl (8.17.0-r1 -> 8.19.0-r0)
#9 2.518 (2/4) Upgrading curl (8.17.0-r1 -> 8.19.0-r0)
#9 2.547 (3/4) Upgrading rsync (3.4.2-r0 -> 3.4.3-r0)
#9 2.567 (4/4) Purging nghttp3 (1.13.1-r0)
#9 2.567 Executing busybox-1.37.0-r30.trigger
#9 2.585 OK: 338.2 MiB in 102 packages
#9 DONE 2.6s

#10 [4/8] RUN apk add zstd
#10 0.937 (1/1) Installing zstd (1.5.7-r2)
#10 0.995 Executing busybox-1.37.0-r30.trigger
#10 1.009 OK: 338.5 MiB in 103 packages
#10 DONE 1.1s

#11 [5/8] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#11 0.662 
#11 0.662 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.662 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#11 6.044 
#11 6.044 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 10.17 -> installed base-bigarray.base
#11 10.17 -> installed base-threads.base
#11 10.18 -> installed base-unix.base
#11 10.18 -> installed compiler-cloning.enabled
#11 10.18 -> installed ocaml-options-vanilla.1
#11 10.19 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#11 10.74 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#11 132.2 -> installed ocaml-compiler.5.5.0~beta1
#11 132.2 -> installed ocaml-base-compiler.5.5.0~beta1
#11 132.3 -> installed ocaml.5.5.0
#11 132.3 -> installed base-domains.base
#11 132.3 -> installed base-effects.base
#11 132.3 -> installed base-nnp.base
#11 132.7 Done.
#11 132.7 
#11 132.7 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#11 132.7 => This switch had to be compiled from sources, but future switches with the 🐌
#11 132.7    same compiler version and configuration should assemble instantly.
#11 132.7 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#11 DONE 134.5s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#12 0.554 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#12 0.554 
#12 5.973 Already up-to-date.
#12 5.973 Nothing to do.
#12 5.979 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.0s

#13 [7/8] RUN opam install -y opam-depext
#13 6.082 The following actions will be performed:
#13 6.082   - install opam-depext 1.2.3
#13 6.082 
#13 6.082 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.215 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 11.03 -> installed opam-depext.1.2.3
#13 11.04 Done.
#13 11.04 
#13 11.04 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 11.04 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 11.05 # Run eval $(opam env) to update the current shell environment
#13 DONE 12.6s

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

#15 exporting to image
#15 exporting layers
#15 exporting layers 5.9s done
#15 writing image sha256:2fd1e71396dffc3bca1ab0d1c3b87e772d2d65aaed54d86b06aec8ebd4ec93e2 done
#15 DONE 5.9s

 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 "sha256:2fd1e71396dffc3bca1ab0d1c3b87e772d2d65aaed54d86b06aec8ebd4ec93e2" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.5-beta1-amd64" as user "ocurrentbuilder"
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alpine-3.23-ocaml-5.5-beta1-amd64: digest: sha256:32fb34091390480ff61fe3e3ab2edd6a6e06a84db7cb8c918f97e373d60c6906 size: 9293
Job succeeded
2026-05-30 16:29.27: Job succeeded