$ sbcl --non-interactive --no-userinit --load asdf.lisp --eval "(trace asdf::visit-action asdf::compute-action-stamp asdf::safe-file-write-date)" --eval "(asdf:traverse (make-instance 'asdf:load-op) (asdf:find-system :sb-md5))"
This is SBCL 1.1.2.21-9f53ac7, 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.
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
  0: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
  0: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                         #<ASDF:SYSTEM "sb-md5"> ASDF:TRAVERSE
                         #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                           {1005654A7B}>
                         #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                           {1005654A9B}>)
    1: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                           #<ASDF:SYSTEM "sb-md5"> ASDF:TRAVERSE
                           #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                             {10058538AB}>
                           #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                             {10058538CB}>)
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::SAFE-FILE-WRITE-DATE
          #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
      2: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                             #<ASDF:SYSTEM "sb-rotate-byte"> ASDF:TRAVERSE
                             #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                               {1005999ACB}>
                             #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                               {1005999AEB}>)
        3: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                               #<ASDF:SYSTEM "sb-rotate-byte"> ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {10059A17DB}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {10059A17FB}>)
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:PREPARE-OP NIL {100584FED3}>
                                         #<ASDF:SYSTEM "sb-rotate-byte"> :PLAN
                                         ASDF:TRAVERSE)
            5: (ASDF::SAFE-FILE-WRITE-DATE
                #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
            5: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838427 NIL
        3: ASDF::VISIT-ACTION returned 3564838427
        3: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                               #<ASDF:CL-SOURCE-FILE
                                 "sb-rotate-byte" "package">
                               ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005AE474B}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005AE476B}>)
          4: (ASDF::VISIT-ACTION #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                 #<ASDF:CL-SOURCE-FILE
                                   "sb-rotate-byte" "package">
                                 ASDF:TRAVERSE
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005C8356B}>
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005C8358B}>)
            5: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                                   #<ASDF:CL-SOURCE-FILE
                                     "sb-rotate-byte" "package">
                                   ASDF:TRAVERSE
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005C8A65B}>
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005C8A67B}>)
              6: (ASDF::COMPUTE-ACTION-STAMP
                  #<ASDF:PREPARE-OP NIL {100584FED3}>
                  #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "package"> :PLAN
                  ASDF:TRAVERSE)
              6: ASDF::COMPUTE-ACTION-STAMP returned 3564838427 NIL
            5: ASDF::VISIT-ACTION returned 3564838427
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "package">
                                           :PLAN ASDF:TRAVERSE)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/package.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/package.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "package">
                                           :JUST-DONE T)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/package.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/package.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
          4: ASDF::VISIT-ACTION returned 3564838724
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                         #<ASDF:CL-SOURCE-FILE
                                           "sb-rotate-byte" "package">
                                         :PLAN ASDF:TRAVERSE)
            5: (ASDF::SAFE-FILE-WRITE-DATE
                #P"/usr/local/lib/sbcl/sb-rotate-byte/package.fasl")
            5: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
        3: ASDF::VISIT-ACTION returned 3564838724
        3: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                               #<ASDF:CL-SOURCE-FILE
                                 "sb-rotate-byte" "compiler">
                               ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005F0001B}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005F0003B}>)
          4: (ASDF::VISIT-ACTION #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                 #<ASDF:CL-SOURCE-FILE
                                   "sb-rotate-byte" "compiler">
                                 ASDF:TRAVERSE
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F05C4B}>
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F05C6B}>)
            5: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                                   #<ASDF:CL-SOURCE-FILE
                                     "sb-rotate-byte" "compiler">
                                   ASDF:TRAVERSE
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005F0B27B}>
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005F0B29B}>)
              6: (ASDF::COMPUTE-ACTION-STAMP
                  #<ASDF:PREPARE-OP NIL {100584FED3}>
                  #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "compiler"> :PLAN
                  ASDF:TRAVERSE)
              6: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
            5: ASDF::VISIT-ACTION returned 3564838724
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "compiler">
                                           :PLAN ASDF:TRAVERSE)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/compiler.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/compiler.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "compiler">
                                           :JUST-DONE T)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/compiler.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/compiler.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
          4: ASDF::VISIT-ACTION returned 3564838724
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                         #<ASDF:CL-SOURCE-FILE
                                           "sb-rotate-byte" "compiler">
                                         :PLAN ASDF:TRAVERSE)
            5: (ASDF::SAFE-FILE-WRITE-DATE
                #P"/usr/local/lib/sbcl/sb-rotate-byte/compiler.fasl")
            5: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
        3: ASDF::VISIT-ACTION returned 3564838724
        3: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                               #<ASDF:MODULE "sb-rotate-byte" "vm">
                               ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005F55BEB}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005F55C0B}>)
          4: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                                 #<ASDF:MODULE "sb-rotate-byte" "vm">
                                 ASDF:TRAVERSE
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F5D05B}>
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F5D07B}>)
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:PREPARE-OP NIL {100584FED3}>
                                           #<ASDF:MODULE "sb-rotate-byte" "vm">
                                           :PLAN ASDF:TRAVERSE)
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
          4: ASDF::VISIT-ACTION returned 3564838724
          4: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                                 #<ASDF:CL-SOURCE-FILE
                                   "sb-rotate-byte" "vm" "x86-64-vm">
                                 ASDF:TRAVERSE
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F68F9B}>
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005F68FBB}>)
            5: (ASDF::VISIT-ACTION #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                   #<ASDF:CL-SOURCE-FILE
                                     "sb-rotate-byte" "vm" "x86-64-vm">
                                   ASDF:TRAVERSE
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005F6E85B}>
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005F6E87B}>)
              6: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                                     #<ASDF:CL-SOURCE-FILE
                                       "sb-rotate-byte" "vm" "x86-64-vm">
                                     ASDF:TRAVERSE
                                     #<CLOSURE (LAMBDA #
                                                 :IN
                                                 ASDF::TRAVERSE-ACTION)
                                       {1005F74AAB}>
                                     #<CLOSURE (LAMBDA #
                                                 :IN
                                                 ASDF::TRAVERSE-ACTION)
                                       {1005F74ACB}>)
                7: (ASDF::COMPUTE-ACTION-STAMP
                    #<ASDF:PREPARE-OP NIL {100584FED3}>
                    #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "vm" "x86-64-vm">
                    :PLAN ASDF:TRAVERSE)
                7: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
              6: ASDF::VISIT-ACTION returned 3564838724
              6: (ASDF::COMPUTE-ACTION-STAMP
                  #<ASDF:COMPILE-OP NIL {1005C809A3}>
                  #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "vm" "x86-64-vm">
                  :PLAN ASDF:TRAVERSE)
                7: (ASDF::SAFE-FILE-WRITE-DATE
                    #P"/usr/local/lib/sbcl/sb-rotate-byte/x86-64-vm.fasl")
                7: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
                7: (ASDF::SAFE-FILE-WRITE-DATE
                    #P"/usr/local/lib/sbcl/sb-rotate-byte/x86-64-vm.lisp")
                7: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
              6: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
              6: (ASDF::COMPUTE-ACTION-STAMP
                  #<ASDF:COMPILE-OP NIL {1005C809A3}>
                  #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "vm" "x86-64-vm">
                  :JUST-DONE T)
                7: (ASDF::SAFE-FILE-WRITE-DATE
                    #P"/usr/local/lib/sbcl/sb-rotate-byte/x86-64-vm.fasl")
                7: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
                7: (ASDF::SAFE-FILE-WRITE-DATE
                    #P"/usr/local/lib/sbcl/sb-rotate-byte/x86-64-vm.lisp")
                7: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
              6: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
            5: ASDF::VISIT-ACTION returned 3564838724
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "vm" "x86-64-vm">
                                           :PLAN ASDF:TRAVERSE)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/x86-64-vm.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
          4: ASDF::VISIT-ACTION returned 3564838724
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                         #<ASDF:MODULE "sb-rotate-byte" "vm">
                                         :PLAN ASDF:TRAVERSE)
            5: (ASDF::SAFE-FILE-WRITE-DATE
                #P"/usr/local/lib/sbcl/sb-rotate-byte/")
            5: ASDF::SAFE-FILE-WRITE-DATE returned 3564838733
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838733 NIL
        3: ASDF::VISIT-ACTION returned 3564838733
        3: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                               #<ASDF:CL-SOURCE-FILE
                                 "sb-rotate-byte" "rotate-byte">
                               ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005FC8C2B}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {1005FC8C4B}>)
          4: (ASDF::VISIT-ACTION #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                 #<ASDF:CL-SOURCE-FILE
                                   "sb-rotate-byte" "rotate-byte">
                                 ASDF:TRAVERSE
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005FCEDBB}>
                                 #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                   {1005FCEDDB}>)
            5: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                                   #<ASDF:CL-SOURCE-FILE
                                     "sb-rotate-byte" "rotate-byte">
                                   ASDF:TRAVERSE
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005FD457B}>
                                   #<CLOSURE (LAMBDA #
                                               :IN
                                               ASDF::TRAVERSE-ACTION)
                                     {1005FD459B}>)
              6: (ASDF::COMPUTE-ACTION-STAMP
                  #<ASDF:PREPARE-OP NIL {100584FED3}>
                  #<ASDF:CL-SOURCE-FILE "sb-rotate-byte" "rotate-byte"> :PLAN
                  ASDF:TRAVERSE)
              6: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
            5: ASDF::VISIT-ACTION returned 3564838724
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "rotate-byte">
                                           :PLAN ASDF:TRAVERSE)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/rotate-byte.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/rotate-byte.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
            5: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                           #<ASDF:CL-SOURCE-FILE
                                             "sb-rotate-byte" "rotate-byte">
                                           :JUST-DONE T)
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/rotate-byte.fasl")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
              6: (ASDF::SAFE-FILE-WRITE-DATE
                  #P"/usr/local/lib/sbcl/sb-rotate-byte/rotate-byte.lisp")
              6: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
            5: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 T
          4: ASDF::VISIT-ACTION returned 3564838724
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                         #<ASDF:CL-SOURCE-FILE
                                           "sb-rotate-byte" "rotate-byte">
                                         :PLAN ASDF:TRAVERSE)
            5: (ASDF::SAFE-FILE-WRITE-DATE
                #P"/usr/local/lib/sbcl/sb-rotate-byte/rotate-byte.fasl")
            5: ASDF::SAFE-FILE-WRITE-DATE returned 3564838724
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838724 NIL
        3: ASDF::VISIT-ACTION returned 3564838724
        3: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                       #<ASDF:SYSTEM "sb-rotate-byte"> :PLAN
                                       ASDF:TRAVERSE)
          4: (ASDF::SAFE-FILE-WRITE-DATE
              #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
          4: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
        3: ASDF::COMPUTE-ACTION-STAMP returned 3564838733 NIL
      2: ASDF::VISIT-ACTION returned 3564838733
      2: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:PREPARE-OP NIL {100584FED3}>
                                     #<ASDF:SYSTEM "sb-md5"> :PLAN
                                     ASDF:TRAVERSE)
        3: (ASDF::SAFE-FILE-WRITE-DATE
            #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
        3: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
        3: (ASDF::SAFE-FILE-WRITE-DATE
            #P"/usr/local/lib/sbcl/sb-rotate-byte/sb-rotate-byte.asd")
        3: ASDF::SAFE-FILE-WRITE-DATE returned 3564838427
        3: (ASDF::SAFE-FILE-WRITE-DATE
            #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
        3: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
      2: ASDF::COMPUTE-ACTION-STAMP returned 3564838733 NIL
    1: ASDF::VISIT-ACTION returned 3564838733
    1: (ASDF::VISIT-ACTION #<ASDF:LOAD-OP NIL {1004C292F3}>
                           #<ASDF:CL-SOURCE-FILE "sb-md5" "md5"> ASDF:TRAVERSE
                           #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                             {100605590B}>
                           #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                             {100605592B}>)
      2: (ASDF::VISIT-ACTION #<ASDF:COMPILE-OP NIL {1005C809A3}>
                             #<ASDF:CL-SOURCE-FILE "sb-md5" "md5">
                             ASDF:TRAVERSE
                             #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                               {100605AD7B}>
                             #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                               {100605AD9B}>)
        3: (ASDF::VISIT-ACTION #<ASDF:PREPARE-OP NIL {100584FED3}>
                               #<ASDF:CL-SOURCE-FILE "sb-md5" "md5">
                               ASDF:TRAVERSE
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {100606085B}>
                               #<CLOSURE (LAMBDA # :IN ASDF::TRAVERSE-ACTION)
                                 {100606087B}>)
          4: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:PREPARE-OP NIL {100584FED3}>
                                         #<ASDF:CL-SOURCE-FILE "sb-md5" "md5">
                                         :PLAN ASDF:TRAVERSE)
          4: ASDF::COMPUTE-ACTION-STAMP returned 3564838733 NIL
        3: ASDF::VISIT-ACTION returned 3564838733
        3: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:COMPILE-OP NIL {1005C809A3}>
                                       #<ASDF:CL-SOURCE-FILE "sb-md5" "md5">
                                       :PLAN ASDF:TRAVERSE)
          4: (ASDF::SAFE-FILE-WRITE-DATE
              #P"/usr/local/lib/sbcl/sb-md5/md5.fasl")
          4: ASDF::SAFE-FILE-WRITE-DATE returned 3564838725
          4: (ASDF::SAFE-FILE-WRITE-DATE
              #P"/usr/local/lib/sbcl/sb-md5/md5.lisp")
          4: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
        3: ASDF::COMPUTE-ACTION-STAMP returned T NIL
      2: ASDF::VISIT-ACTION returned T
      2: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                     #<ASDF:CL-SOURCE-FILE "sb-md5" "md5">
                                     :PLAN ASDF:TRAVERSE)
        3: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/md5.fasl")
        3: ASDF::SAFE-FILE-WRITE-DATE returned 3564838725
      2: ASDF::COMPUTE-ACTION-STAMP returned T NIL
    1: ASDF::VISIT-ACTION returned T
    1: (ASDF::COMPUTE-ACTION-STAMP #<ASDF:LOAD-OP NIL {1004C292F3}>
                                   #<ASDF:SYSTEM "sb-md5"> :PLAN ASDF:TRAVERSE)
      2: (ASDF::SAFE-FILE-WRITE-DATE #P"/usr/local/lib/sbcl/sb-md5/sb-md5.asd")
      2: ASDF::SAFE-FILE-WRITE-DATE returned 3555406906
    1: ASDF::COMPUTE-ACTION-STAMP returned T NIL
  0: ASDF::VISIT-ACTION returned T