CL-USER> (ql:quickload :spinneret)
To load "spinneret":
  Load 20 ASDF systems:
    alexandria asdf bordeaux-threads cl-ppcre
    fare-quasiquote-extras global-vars
    introspect-environment named-readtables parenscript
    parse-declarations-1.0 parse-number split-sequence
    string-case trivia trivia.quasiquote trivial-file-size
    trivial-garbage trivial-gray-streams
    trivial-macroexpand-all uiop
  Install 2 Quicklisp releases:
    serapeum spinneret
; Loading "spinneret"
..................................................
[package serapeum]................................
[package serapeum-user]...........................
..................................................
[package serapeum/op].............................
......................

; file: /home/josh/quicklisp/dists/quicklisp/software/serapeum-20180711-git/strings.lisp
; in: DEFUN COLLAPSE-WHITESPACE
;     (DECLARE (INLINE POSITION SERAPEUM:WHITESPACEP))
;
; caught ERROR:
;   There is no function named DECLARE.  References to DECLARE in some contexts
;   (like starts of blocks) are unevaluated expressions, but here the expression is
;   being evaluated, which invokes undefined behaviour.
..........;
          ; compilation unit aborted
          ;   caught 2 fatal ERROR conditions
          ;   caught 1 ERROR condition
; Evaluation aborted on #<UIOP/LISP-BUILD:COMPILE-FILE-ERROR {100A2824A3}>.
CL-USER>