This is SBCL 2.1.5, 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.
* (ql:quickload :ironclad)
To load "ironclad":
  Load 1 ASDF system:
    ironclad
; Loading "ironclad"
[package ironclad-vm]; 
; caught ERROR:
;   READ error during COMPILE-FILE:
;   
;     Lock on package SB-VM violated when interning MAKE-EA while in package
;     IRONCLAD-VM.
;   See also:
;     The SBCL Manual, Node "Package Locks"
;   
;     (in form starting at line: 34, column: 0, position: 1344)

debugger invoked on a UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread
#<THREAD "main thread" RUNNING {1004AD0233}>:
  COMPILE-FILE-ERROR while
  compiling #<IRONCLAD-SOURCE-FILE "ironclad" "src" "opt" "sbcl" "x86oid-vm">

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

restarts (invokable by number or by possibly-abbreviated name):
  0: [RETRY                        ] Retry
                                     compiling #<IRONCLAD-SOURCE-FILE "ironclad" "src" "opt" "sbcl" "x86oid-vm">.
  1: [ACCEPT                       ] Continue, treating
                                     compiling #<IRONCLAD-SOURCE-FILE "ironclad" "src" "opt" "sbcl" "x86oid-vm">
                                     as having been successful.
  2:                                 Retry ASDF operation.
  3: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the
                                     configuration.
  4:                                 Retry ASDF operation.
  5:                                 Retry ASDF operation after resetting the
                                     configuration.
  6: [ABORT                        ] Give up on "ironclad"
  7:                                 Exit debugger, returning to top level.

(UIOP/LISP-BUILD:CHECK-LISP-COMPILE-RESULTS NIL T T "~/asdf-action::format-action/" ((#<ASDF/LISP-ACTION:COMPILE-OP > . #<IRONCLAD-SYSTEM::IRONCLAD-SOURCE-FILE "ironclad" "src" "opt" "sbcl" "x86oid-vm">)))
   source: (ERROR 'COMPILE-FILE-ERROR :CONTEXT-FORMAT CONTEXT-FORMAT
                  :CONTEXT-ARGUMENTS CONTEXT-ARGUMENTS)
0]