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interval 3.4.2 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                 8.12.0      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: "guillaume.melquiond@inria.fr"
homepage: "https://coqinterval.gitlabpages.inria.fr/"
dev-repo: "git+https://gitlab.inria.fr/coqinterval/interval.git"
bug-reports: "https://gitlab.inria.fr/coqinterval/interval/issues"
license: "CeCILL-C"
build: [
  ["./configure"]
  ["./remake" "-j%{jobs}%"]
]
install: ["./remake" "install"]
depends: [
  "coq" {>= "8.7" & < "8.12~"}
  "coq-bignums"
  "coq-flocq" {>= "3.0"}
  "coq-mathcomp-ssreflect" {>= "1.6"}
  "coq-coquelicot" {>= "3.0"}
  ("conf-g++" | "conf-clang")
]
tags: [
  "keyword:interval arithmetic"
  "keyword:decision procedure"
  "keyword:floating-point arithmetic"
  "keyword:reflexive tactic"
  "keyword:Taylor models"
  "category:Mathematics/Real Calculus and Topology"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Decision procedures"
  "date:2020-02-25"
]
authors: [ "Guillaume Melquiond <guillaume.melquiond@inria.fr>" "Érik Martin-Dorel <erik.martin-dorel@irit.fr>" "Thomas Sibut-Pinote <thomas.sibut-pinote@inria.fr>" ]
synopsis: "A Coq tactic for proving bounds on real-valued expressions automatically"
url {
  src: "https://coqinterval.gitlabpages.inria.fr/releases/interval-3.4.2.tar.gz"
  checksum: "sha512=4e61a3bfe5f8758db8a09dec4f690213bb369a1ae960237ecfeb3c1d999619f9ef5afd5daeeeecc44dfe64bd4c46ffcca7a2872c11febd47ecbb0d799bc478fe"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-interval.3.4.2 coq.8.12.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.12.0).
The following dependencies couldn't be met:
  - coq-interval -> coq < 8.12~ -> 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-interval.3.4.2
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