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-5.3-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 5.3 --packages=ocaml-variants.5.3.0+options,ocaml-options-only-flambda
RUN opam pin add -k version ocaml-variants 5.3.0+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 "5.3.0+flambda-amd64-ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021"
2026-05-30 15:54.20: Waiting for worker…
2026-05-30 15:54.20: Got resource from pool OCluster
Building on clete.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 0.5s

#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 0.0s

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

#6 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#6 DONE 0.0s

#7 [2/7] RUN apk update && apk upgrade
#7 CACHED

#8 [3/7] RUN apk add zstd
#8 CACHED

#9 [internal] load build context
#9 transferring context: 601B done
#9 DONE 0.1s

#10 [4/7] RUN opam switch create 5.3 --packages=ocaml-variants.5.3.0+options,ocaml-options-only-flambda
#10 0.630 
#10 0.630 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.630 Switch invariant: ["ocaml-variants" {= "5.3.0+options"} "ocaml-options-only-flambda"]
#10 5.979 
#10 5.979 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 10.01 -> installed base-bigarray.base
#10 10.02 -> installed base-threads.base
#10 10.02 -> installed base-unix.base
#10 10.02 -> installed ocaml-option-flambda.1
#10 10.02 -> installed ocaml-options-only-flambda.1
#10 10.35 -> retrieved ocaml-config.3  (2 extra sources)
#10 11.70 -> retrieved ocaml-compiler.5.3.0  (https://opam.ocaml.org/cache)
#10 157.5 -> installed ocaml-compiler.5.3.0
#10 157.5 -> installed ocaml-variants.5.3.0+options
#10 157.5 -> installed ocaml-config.3
#10 157.6 -> installed ocaml.5.3.0
#10 157.6 -> installed base-domains.base
#10 157.6 -> installed base-effects.base
#10 157.6 -> installed base-nnp.base
#10 158.0 Done.
#10 158.0 # Run eval $(opam env --switch=5.3) to update the current shell environment
#10 DONE 159.6s

#11 [5/7] RUN opam pin add -k version ocaml-variants 5.3.0+options
#11 0.645 ocaml-variants is now pinned to version 5.3.0+options
#11 0.645 
#11 6.088 No package build needed.
#11 6.088 Nothing to do.
#11 6.095 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.2s

#12 [6/7] RUN opam install -y opam-depext
#12 6.348 The following actions will be performed:
#12 6.348   - install opam-depext 1.2.3
#12 6.348 
#12 6.348 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.574 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 10.98 -> installed opam-depext.1.2.3
#12 10.99 Done.
#12 10.99 
#12 10.99 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 10.99 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 11.00 # Run eval $(opam env) to update the current shell environment
#12 DONE 12.3s

#13 [7/7] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#13 DONE 0.0s

#14 exporting to image
#14 exporting layers
#14 exporting layers 7.3s done
#14 writing image sha256:d9f7dddd2bc1b5b38fbca99118d837662c8d7780d4603b78042e4d66ce99dd44 done
#14 DONE 7.3s

 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:d9f7dddd2bc1b5b38fbca99118d837662c8d7780d4603b78042e4d66ce99dd44" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.3-flambda-amd64" as user "ocurrentbuilder"
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alpine-3.23-ocaml-5.3-flambda-amd64: digest: sha256:4e29926a14d4a8ce1920853fea67133446ea385f52741438b5867c93b1266add size: 9082
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alpine-3.23-ocaml-5.3-flambda-amd64: digest: sha256:4e29926a14d4a8ce1920853fea67133446ea385f52741438b5867c93b1266add size: 9082
Job succeeded
2026-05-30 15:58.51: Job succeeded