sbcl --load ~/quicklisp/setup.lisp                             \
             --eval '(ql:quickload "pgloader")'                        \
             --eval '(quit)'
This is SBCL 1.1.13.debian, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.

debugger invoked on a QUICKLISP-CLIENT:SYSTEM-NOT-FOUND in thread
#<THREAD "main thread" RUNNING {1002AB36A3}>:
  System "pgloader" not found

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
  0: [ABORT   ] Give up on "pgloader"
  1: [CONTINUE] Ignore runtime option --eval "(ql:quickload \"pgloader\")".
  2:            Skip rest of --eval and --load options.
  3:            Skip to toplevel READ/EVAL/PRINT loop.
  4: [EXIT    ] Exit SBCL (calling #'EXIT, killing the process).

((LABELS QUICKLISP-CLIENT::RECURSE :IN QUICKLISP-CLIENT::COMPUTE-LOAD-STRATEGY) "pgloader")