Doesn't find cohttp.lwt even though it's installed :( about coq-chick-blog HOT 4 CLOSED

opam --version
opam list

docker build --tag=chick-blog .
docker run -ti -p 8008:8008 chick-blog

ricky@t520 60% /tmp$ opam --version
1.1.1

ricky@t520 53% /tmp$ opam list
Installed packages for 4.01.0:
base-bigarray                 base  Bigarray library distributed with the OCaml compiler
base-threads                  base  Threads library distributed with the OCaml compiler
base-unix                     base  Unix library distributed with the OCaml compiler
camlimages                   4.1.1  Image processing library
camlp4                      4.01.0  Camlp4 is a system for writing extensible parsers for programming languages
camlp5                        6.11  Preprocessor-pretty-printer of OCaml
camlzip                       1.05  Provides easy access to compressed files in ZIP, GZIP and JAR format
camomile                     0.8.5  A comprehensive Unicode library
cohttp                      0.11.2  HTTP library for Lwt, Async and Mirage
conduit                      0.5.0  Network connection library for TCP and SSL
coq                         8.4pl4  Formal proof management system
coq:error-handlers             dev  Simple and robust error handling functions.
coq:function-ninjas            dev  Write readable code using simple functional combinators.
coq:list-plus                  dev  More functions on lists.
coq:list-string                dev  Strings implemented as lists.
coq:moment                     dev  Parse, manipulate and pretty-print dates in Coq.
dypgen                  20120619-1  Self-extensible parsers and lexers for OCaml
fieldslib                109.20.03  Syntax extension to define first class values representing record fields, to get and set record fields, iterate and fold over all fields of a record and create new record values
lwt                          2.4.5  A cooperative threads library for OCaml
ocamlfind                    1.5.1  A library manager for OCaml
omake                0.9.8.6-0.rc1  Build system designed for scalability and portability
ounit                        2.0.0  Unit testing framework loosely based on HUnit. It is similar to JUnit, and other XUnit testing frameworks
patoline                       0.1  A new typesetting system, programmable in ocaml.
re                           1.2.2  RE is a regular expression library for OCaml
sexplib                  111.17.00  Library for serializing OCaml values to and from S-expressions
sqlite3-ocaml                2.0.6  SQLite3 bindings
stringext                    0.0.1  Extra string functions for OCaml
type_conv                111.13.00  Library for building type-driven syntax extensions
uri                          1.7.1  RFC3986 URI parsing library