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quickchick 1.2.0 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-threads        base
base-unix           base
conf-findutils      1           Virtual package relying on findutils
coq                 8.11.2      Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.07.1      Official release 4.07.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.5       A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "leonidas@umd.edu"
synopsis: "Randomized Property-Based Testing Plugin for Coq"
homepage: "https://github.com/QuickChick/QuickChick"
dev-repo: "git+https://github.com/QuickChick/QuickChick.git"
bug-reports: "https://github.com/QuickChick/QuickChick/issues"
license: "MIT"
build: [ make "-j%{jobs}%" ]
install: [ make "install" ]
depends: [
  "ocaml" {>= "4.05.0"}
  "coq" {>= "8.10" < "8.11~"}
  "coq-ext-lib"
  "coq-mathcomp-ssreflect"
  "ocamlbuild"
  "ocamlfind"
  "coq-simple-io" {>= "1.0.0"}
]
authors: [
  "Leonidas Lampropoulos <>"
  "Zoe Paraskevopoulou <>"
  "Maxime Denes <>"
  "Catalin Hritcu <>"
  "Benjamin Pierce <>"
  "Li-yao Xia <>"
  "Arthur Azevedo de Amorim <>"
  "Yishuai Li <>"
  "Antal Spector-Zabusky <>"
]
tags: [
  "keyword:extraction"
  "category:Miscellaneous/Coq Extensions"
  "logpath:QuickChick"
]
url {
  src: "https://github.com/QuickChick/QuickChick/archive/v1.2.0.tar.gz"
  checksum: "md5=df766e9807b8549576149c635db1c553"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-quickchick.1.2.0 coq.8.11.2

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.11.2).
The following dependencies couldn't be met:
  - coq-quickchick -> coq < 8.11~ -> ocaml < 4.06.0
      base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
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-quickchick.1.2.0
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