dokku: gzip: stdin: unexpected end of file

Hi,

When I try to push a ruby ​​deposit this is what I get :

git push dokku master
Décompte des objets: 56, fait.
Delta compression using up to 8 threads.
Compression des objets: 100% (52/52), fait.
Écriture des objets: 100% (56/56), 7.69 KiB | 0 bytes/s, fait.
Total 56 (delta 23), reused 0 (delta 0)
-----> Cleaning up...
-----> Building project from herokuish...
-----> Adding BUILD_ENV to build environment...
-----> Ruby app detected
remote: /tmp/buildpacks/01_buildpack-ruby/lib/language_pack/shell_helpers.rb:49:in `run!': Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 30 --max-time 600 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/cedar-14/ruby-2.2.6.tgz -s -o - | tar zxf - ' failed unexpectedly: (LanguagePack::Fetcher::FetchError)
remote: 
remote: gzip: stdin: unexpected end of file
remote: tar: Child returned status 1
remote: tar: Error is not recoverable: exiting now
remote: 	from /tmp/buildpacks/01_buildpack-ruby/lib/language_pack/fetcher.rb:24:in `fetch_untar'
remote: 	from /tmp/buildpacks/01_buildpack-ruby/lib/language_pack/installers/heroku_ruby_installer.rb:22:in `block in fetch_unpack'
remote: 	from /tmp/buildpacks/01_buildpack-ruby/lib/language_pack/installers/heroku_ruby_installer.rb:16:in `chdir'
remote: 	from /tmp/buildpacks/01_buildpack-ruby/lib/language_pack/installers/heroku_ruby_installer.rb:16:in `fetch_unpack'
remote: 	from /tmp/buildpacks/01_buildpack-ruby/bin/bootstrap:13:in `<main>'
remote: /tmp/buildpacks/01_buildpack-ruby/bin/compile: line 21: /tmp/tmp.r9sdNtWZpz/bin/ruby: No such file or directory
To dokku.fr:project
 ! [remote rejected] master -> master (pre-receive hook declined)
error: impossible de pousser des références vers 'dokku@dokku.fr:project'

-----> uname: Linux neo 4.10.4-1-ARCH #1 SMP PREEMPT Sat Mar 18 19:39:18 CET 2017 x86_64 GNU/Linux
-----> memory: 
              total        used        free      shared  buff/cache   available
Mem:           3918         929         698          19        2291        2683
Swap:          3914           0        3914
-----> docker version: 
Client:
 Version:      17.03.0-ce
 API version:  1.26
 Go version:   go1.8
 Git commit:   60ccb2265b
 Built:        Sun Mar  5 13:38:03 2017
 OS/Arch:      linux/amd64

Server:
 Version:      17.03.0-ce
 API version:  1.26 (minimum version 1.12)
 Go version:   go1.8
 Git commit:   60ccb2265b
 Built:        Sun Mar  5 13:38:03 2017
 OS/Arch:      linux/amd64
 Experimental: false
-----> docker daemon info: 
Containers: 4
 Running: 0
 Paused: 0
 Stopped: 4
Images: 7
Server Version: 17.03.0-ce
Storage Driver: overlay2
 Backing Filesystem: extfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins: 
 Volume: local
 Network: bridge host macvlan null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 977c511eda0925a723debdc94d09459af49d082a
runc version: a01dafd48bc1c7cc12bdb01206f9fea7dd6feb70
init version: 949e6fa
Security Options:
 seccomp
  Profile: default
Kernel Version: 4.10.4-1-ARCH
Operating System: Arch Linux
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 3.827 GiB
Name: neo
ID: HVIO:UVBC:G67N:2G36:TWVH:T75X:ETFS:NO56:JGUT:PDQU:OTOB:Q37D
Docker Root Dir: /var/lib/docker
Debug Mode (client): true
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:
 127.0.0.0/8
Live Restore Enabled: false
-----> sigil version: 0.4.0
-----> herokuish version: 
herokuish: 0.3.27
buildpacks:
  heroku-buildpack-multi     v1.0.0
  heroku-buildpack-ruby      v155
  heroku-buildpack-nodejs    v98
  heroku-buildpack-clojure   v76
  heroku-buildpack-python    v99
  heroku-buildpack-java      v51
  heroku-buildpack-gradle    v21
  heroku-buildpack-grails    v21
  heroku-buildpack-scala     v76
  heroku-buildpack-play      v26
  heroku-buildpack-php       v120
  heroku-buildpack-go        v62
  heroku-buildpack-erlang    fa17af9
  buildpack-nginx            v8
-----> dokku version: 0.8.0
-----> dokku plugins: 
plugn: 0.2.2
  00_dokku-standard    0.8.0 enabled    dokku core standard plugin
  20_events            0.8.0 enabled    dokku core events logging plugin
  apps                 0.8.0 enabled    dokku core apps plugin
  build-env            0.8.0 enabled    dokku core build-env plugin
  certs                0.8.0 enabled    dokku core certificate management plugin
  checks               0.8.0 enabled    dokku core checks plugin
  common               0.8.0 enabled    dokku core common plugin
  config               0.8.0 enabled    dokku core config plugin
  docker-options       0.8.0 enabled    dokku core docker-options plugin
  domains              0.8.0 enabled    dokku core domains plugin
  enter                0.8.0 enabled    dokku core enter plugin
  git                  0.8.0 enabled    dokku core git plugin
  logs                 0.8.0 enabled    dokku core logs plugin
  named-containers     0.8.0 enabled    dokku core named containers plugin
  nginx-vhosts         0.8.0 enabled    dokku core nginx-vhosts plugin
  plugin               0.8.0 enabled    dokku core plugin plugin
  proxy                0.8.0 enabled    dokku core proxy plugin
  ps                   0.8.0 enabled    dokku core ps plugin
  repo                 0.8.0 enabled    dokku core repo plugin
  shell                0.8.0 enabled    dokku core shell plugin
  ssh-keys             0.8.0 enabled    dokku core ssh-keys plugin
  storage              0.8.0 enabled    dokku core storage plugin
  tags                 0.8.0 enabled    dokku core tags plugin
  tar                  0.8.0 enabled    dokku core tar plugin

Environment details (AWS, VirtualBox, physical, etc.):

Physical, Dedibox SC.

How was Dokku installed?:

Archlinux package

Thanks in advance for your help and your time.