The following actions will be performed:
  - install qrencode 0.1

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[qrencode: http] Command started
[qrencode: http] Command started
[qrencode.0.1] https://github.com/vbmithr/qrencode-ocaml/archive/0.1.tar.gz downloaded

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[qrencode: make] Command started
+ make  (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1)
- ocaml setup.ml -configure 
- File "./setup.ml", line 213, characters 8-26:
- Warning 3: deprecated: Stdlib.String.set
- Use Bytes.set instead.
- File "./setup.ml", line 213, characters 8-11:
- Error: This expression has type string but an expression was expected of type
-          bytes
- Makefile:34: recipe for target 'setup.data' failed
- make: *** [setup.data] Error 2
- ocaml setup.ml -configure 
- File "./setup.ml", line 213, characters 8-26:
- Warning 3: deprecated: Stdlib.String.set
- Use Bytes.set instead.
- File "./setup.ml", line 213, characters 8-11:
- Error: This expression has type string but an expression was expected of type
-          bytes
- Makefile:34: recipe for target 'setup.data' failed
- make: *** [setup.data] Error 2
[ERROR] The compilation of qrencode failed at "make".
[qrencode: ocamlfind remove] Command started
+ ocamlfind "remove" "qrencode" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1)
- ocaml setup.ml -configure 
- File "./setup.ml", line 213, characters 8-26:
- Warning 3: deprecated: Stdlib.String.set
- Use Bytes.set instead.
- File "./setup.ml", line 213, characters 8-11:
- Error: This expression has type string but an expression was expected of type
-          bytes
- Makefile:34: recipe for target 'setup.data' failed
- make: *** [setup.data] Error 2
- ocamlfind: [WARNING] No such file: /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/lib/qrencode/META
- ocaml setup.ml -configure 
- File "./setup.ml", line 213, characters 8-26:
- Warning 3: deprecated: Stdlib.String.set
- Use Bytes.set instead.
- File "./setup.ml", line 213, characters 8-11:
- Error: This expression has type string but an expression was expected of type
-          bytes
- Makefile:34: recipe for target 'setup.data' failed
- make: *** [setup.data] Error 2
- ocamlfind: [WARNING] No such file: /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/lib/qrencode/META

#=== ERROR while installing qrencode.0.1 ======================================#
# opam-version         1.2.2+dd (3852ba0a7708d4dc37f64dd4cd00f873bf317ac0)
# os                   linux
# command              make
# path                 /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1
# compiler             4.07.0+24fac73
# exit-code            2
# env-file             /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1/qrencode-20359.env
# stdout-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1/qrencode-20359.out
# stderr-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+24fac73/dotopam/4.07.0+24fac73/build/qrencode.0.1/qrencode-20359.out
### stdout ###
# ocaml setup.ml -configure 
# File "./setup.ml", line 213, characters 8-26:
# Warning 3: deprecated: Stdlib.String.set
# Use Bytes.set instead.
# File "./setup.ml", line 213, characters 8-11:
# Error: This expression has type string but an expression was expected of type
#          bytes
# Makefile:34: recipe for target 'setup.data' failed
# make: *** [setup.data] Error 2
### stderr ###
# ocaml setup.ml -configure 
# File "./setup.ml", line 213, characters 8-26:
# Warning 3: deprecated: Stdlib.String.set
# Use Bytes.set instead.
# File "./setup.ml", line 213, characters 8-11:
# Error: This expression has type string but an expression was expected of type
#          bytes
# Makefile:34: recipe for target 'setup.data' failed
# make: *** [setup.data] Error 2



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
The following actions failed
  - install qrencode 0.1
No changes have been performed

=-=- qrencode.0.1 troobleshooting -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=> This package relies on external (system) dependencies that may be missing.
   `opam depext qrencode.0.1' may help you find the correct installation for
   your system.
'opam install qrencode.0.1' failed.