Some systems failed to build for Quicklisp dist

[quicklisp]

Building with SBCL 2.1.6 / ASDF 3.3.1 for quicklisp dist creation.

Trying to build commit id c1c2fa9

clml.docs fails to build because of a failure in clml.time-series.

clml.graph fails to build because of a failure in clml.time-series.

clml.som.example fails to build because of a failure in clml.som.

clml.som fails to build with the following error:

; caught WARNING:
;   Constant NIL conflicts with its asserted type CONS.
;   See also:
;     The SBCL Manual, Node "Handling of Types"
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {1001A18103}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "clml.som" "lvq_pak">

clml.test fails to build because of a failure in clml.time-series.

clml.time-series fails to build with the following error:

; caught WARNING:
;   Constant NIL conflicts with its asserted type NUMBER.
;   See also:
;     The SBCL Manual, Node "Handling of Types"
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {1001A18103}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "clml.time-series" "ts-read-data">

clml fails to build because of a failure in clml.time-series.

Full log here