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-5.4-flambda-amd64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
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 5.4 --packages=ocaml-variants.5.4.1+options,ocaml-options-only-flambda
RUN opam pin add -k version ocaml-variants 5.4.1+options
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 "5.4.1+flambda-amd64-ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021"
2026-05-30 16:02.43: Waiting for worker…
2026-05-30 16:02.43: Got resource from pool OCluster
Building on toxis.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: 601B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.6s

#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 0.2s

#6 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#6 CACHED

#7 [internal] load build context
#7 transferring context: 601B done
#7 DONE 0.2s

#8 [2/7] RUN apk update && apk upgrade
#8 1.246 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]
#8 1.246 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]
#8 1.246 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/main]
#8 1.246 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/community]
#8 1.246 v20260127-10635-g2d2f89cc295 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]
#8 1.246 OK: 62367 distinct packages available
#8 2.106 (1/4) Upgrading libcurl (8.17.0-r1 -> 8.19.0-r0)
#8 2.158 (2/4) Upgrading curl (8.17.0-r1 -> 8.19.0-r0)
#8 2.170 (3/4) Upgrading rsync (3.4.2-r0 -> 3.4.3-r0)
#8 2.181 (4/4) Purging nghttp3 (1.13.1-r0)
#8 2.181 Executing busybox-1.37.0-r30.trigger
#8 2.196 OK: 338.2 MiB in 102 packages
#8 DONE 2.3s

#9 [3/7] RUN apk add zstd
#9 0.911 (1/1) Installing zstd (1.5.7-r2)
#9 0.962 Executing busybox-1.37.0-r30.trigger
#9 0.978 OK: 338.5 MiB in 103 packages
#9 DONE 1.1s

#10 [4/7] RUN opam switch create 5.4 --packages=ocaml-variants.5.4.1+options,ocaml-options-only-flambda
#10 0.740 
#10 0.740 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.740 Switch invariant: ["ocaml-variants" {= "5.4.1+options"} "ocaml-options-only-flambda"]
#10 6.120 
#10 6.120 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 10.42 -> installed base-bigarray.base
#10 10.42 -> installed base-threads.base
#10 10.42 -> installed base-unix.base
#10 10.43 -> installed ocaml-option-flambda.1
#10 10.43 -> installed ocaml-options-only-flambda.1
#10 10.71 -> retrieved ocaml-config.3  (2 extra sources)
#10 11.68 -> retrieved ocaml-compiler.5.4.1  (https://opam.ocaml.org/cache)
#10 164.4 -> installed ocaml-compiler.5.4.1
#10 164.5 -> installed ocaml-variants.5.4.1+options
#10 164.5 -> installed ocaml-config.3
#10 164.5 -> installed ocaml.5.4.1
#10 164.5 -> installed base-domains.base
#10 164.5 -> installed base-effects.base
#10 164.5 -> installed base-nnp.base
#10 165.0 Done.
#10 165.0 # Run eval $(opam env --switch=5.4) to update the current shell environment
#10 DONE 166.8s

#11 [5/7] RUN opam pin add -k version ocaml-variants 5.4.1+options
#11 0.686 ocaml-variants is now pinned to version 5.4.1+options
#11 0.686 
#11 6.135 No package build needed.
#11 6.135 Nothing to do.
#11 6.142 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.2s

#12 [6/7] RUN opam install -y opam-depext
#12 6.151 The following actions will be performed:
#12 6.151   - install opam-depext 1.2.3
#12 6.152 
#12 6.152 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.390 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 11.40 -> installed opam-depext.1.2.3
#12 11.41 Done.
#12 11.41 
#12 11.41 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 11.41 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 11.42 # Run eval $(opam env) to update the current shell environment
#12 DONE 13.1s

#13 [7/7] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#13 DONE 0.2s

#14 exporting to image
#14 exporting layers
#14 exporting layers 7.4s done
#14 writing image sha256:60ac7596a59ae46fb71fc5f4add6ac7af9e8ba9445d41e95fb2f3bf15dc9d59c done
#14 DONE 7.4s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 13)
Pushing "sha256:60ac7596a59ae46fb71fc5f4add6ac7af9e8ba9445d41e95fb2f3bf15dc9d59c" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.4-flambda-amd64" as user "ocurrentbuilder"
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alpine-3.23-ocaml-5.4-flambda-amd64: digest: sha256:2f8de9ff95fb4b0b4baa78ffbcf62522b3788780ee7943d06e532eeb32c2f6d4 size: 9082
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alpine-3.23-ocaml-5.4-flambda-amd64: digest: sha256:2f8de9ff95fb4b0b4baa78ffbcf62522b3788780ee7943d06e532eeb32c2f6d4 size: 9082
Job succeeded
2026-05-30 16:07.30: Job succeeded