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lens 1.0.1+8.12 Not compatible 👼

Context

# Packages matching: installed
# Name                # Installed # Synopsis
base-bigarray         base
base-threads          base
base-unix             base
conf-gmp              4           Virtual package relying on a GMP lib system installation
coq                   8.17.0      The Coq Proof Assistant
coq-core              8.17.0      The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            8.17.0      The Coq Proof Assistant -- Standard Library
coqide-server         8.17.0      The Coq Proof Assistant, XML protocol server
dune                  3.13.0      Fast, portable, and opinionated build system
ocaml                 4.14.0      The OCaml compiler (virtual package)
ocaml-base-compiler   4.14.0      Official release 4.14.0
ocaml-config          2           OCaml Switch Configuration
ocaml-options-vanilla 1           Ensure that OCaml is compiled with no special options enabled
ocamlfind             1.9.6       A library manager for OCaml
zarith                1.13        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
synopsis: "Generation of lenses for record datatypes"
maintainer: "gregory@bedrocksystems.com"
authors: [
  "Gregory Malecha <gregory@bedrocksystems.com>"
]
homepage: "https://github.com/bedrocksystems/coq-lens"
dev-repo: "git://github.com/bedrocksystems/coq-lens.git"
bug-reports: "https://github.com/bedrocksystems/coq-lens/issues"
license: "LGPL2.1+BedRock"
build: [
  [make "-j%{jobs}%"]
]
install: [
  [make "install"]
]
depends: [
  "ocaml"
  "coq" {>= "8.12" & < "8.13~"}
  "coq-metacoq-template" { = "1.0~beta1+8.12" }
]
tags: [
  "logpath:Lens"
  "date: 2020-11-18"
]
url {
  src: "https://github.com/bedrocksystems/coq-lens/archive/v1.0.1.tar.gz"
  checksum: "sha256=c1092aa89e885dd4abe1abc0605474440e8a763569be0accbbf6af4b129b3a91"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-lens.1.0.1+8.12 coq.8.17.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.17.0).
The following dependencies couldn't be met:
  - coq-lens -> coq < 8.13~ -> ocaml < 4.12
      base of this switch (use `--unlock-base' to force)
No solution found, exiting

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

Command: opam remove -y coq; opam install -y --show-action --unlock-base coq-lens.1.0.1+8.12
Return code: 0

Install dependencies

Command: true
Return code: 0
Duration: 0 s

Install 🚀

Command: true
Return code: 0
Duration: 0 s

Installation size

No files were installed.

Uninstall 🧹

Command: true
Return code: 0
Missing removes: none
Wrong removes: none