The following actions will be performed:
  - install datalog 0.5

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[datalog: http] Command started
[datalog: http] Command started
[datalog.0.5] https://github.com/c-cube/datalog/archive/0.5.tar.gz downloaded

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[datalog: ./configure] Command started
+ ./configure "--bindir" "/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin" "--docdir" "/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/doc" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5)
- 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
- 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
[ERROR] The compilation of datalog failed at "./configure --bindir
        /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin
        --docdir
        /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/doc".
[datalog: ocamlfind remove] Command started
+ ocamlfind "remove" "datalog" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5)
- 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
- ocamlfind: [WARNING] No such file: /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/lib/datalog/META
- 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
- ocamlfind: [WARNING] No such file: /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/lib/datalog/META

#=== ERROR while installing datalog.0.5 =======================================#
# opam-version         1.2.2+dd (3852ba0a7708d4dc37f64dd4cd00f873bf317ac0)
# os                   linux
# command              ./configure --bindir /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/bin --docdir /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/doc
# path                 /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5
# compiler             4.07.0+pr2051
# exit-code            2
# env-file             /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5/datalog-10946.env
# stdout-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5/datalog-10946.out
# stderr-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/datalog.0.5/datalog-10946.out
### stdout ###
# 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
### stderr ###
# 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



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
The following actions failed
  - install datalog 0.5
No changes have been performed
'opam install datalog.0.5' failed.