The value
  NIL
is not of type
  SB-C:STORAGE-CLASS
   [Condition of type TYPE-ERROR]

Restarts:
 0: [RETRY] Retry compiling #<CL-SOURCE-FILE "serapeum" "level0" "hash-tables">.
 1: [ACCEPT] Continue, treating compiling #<CL-SOURCE-FILE "serapeum" "level0" "hash-tables"> as having been successful.
 2: [RETRY] Retry ASDF operation.
 3: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the configuration.
 4: [RETRY] Retry ASDF operation.
 5: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the configuration.
 --more--

Backtrace:
  0: (SB-C:LOCATION= #<SB-C:TN t1[RSP(u)] :NORMAL> #<SB-C:TN t2 :UNUSED>)
      Locals:
        X = #<SB-C:TN t1[RSP(u)] :NORMAL>
        Y = #<SB-C:TN t2 :UNUSED>
  1: (SB-C:MOVE #<SB-C:TN t1[RSP(u)] :NORMAL> #<SB-C:TN t2 :UNUSED> NIL)
      Locals:
        SB-VM::DST = #<SB-C:TN t1[RSP(u)] :NORMAL>
        SB-VM::SIZE = NIL
        SB-VM::SRC = #<SB-C:TN t2 :UNUSED>
  2: (SB-C::GENERATE-CODE #<SB-C:COMPONENT :NAME "DEFUN @" {1005B26573}>)
      Locals:
        ASMSTREAM = #S(SB-ASSEM::ASMSTREAM ..)
        BLOCK = #<SB-C::IR2-BLOCK ..>
        COMPONENT = #<SB-C:COMPONENT :NAME "DEFUN @" {1005B26573}>
        FILLER-PATTERN = :LONG-NOP
        IR2-COMPONENT = #S(SB-C::IR2-COMPONENT ..)
        PREV-ENV = #<SB-C::ENVIRONMENT :LAMBDA #<SB-C::CLAMBDA :%SOURCE-NAME SERAPEUM:@ :%DEBUG-NAME NIL :KIND :OPTIONAL :TYPE # :WHERE-FROM :DEFINED :VARS # {1005B14FF3}> {1005B3C423}>
        VOP = #<SB-C::VOP :INFO SB-C:RESET-STACK-POINTER :ARGS #<SB-C:TN-REF :TN # :WRITE-P NIL :VOP SB-C:RESET-STACK-POINTER> :RESULTS NIL>
  3: (SB-C::%COMPILE-COMPONENT #<SB-C:COMPONENT :NAME "DEFUN @" {1005B26573}>)
  4: (SB-C::COMPILE-COMPONENT #<SB-C:COMPONENT :NAME "DEFUN @" {1005B26573}>)
  5: (SB-C::COMPILE-TOPLEVEL (#<SB-C::CLAMBDA :%SOURCE-NAME SB-C::.ANONYMOUS. :%DEBUG-NAME (SB-C::TOP-LEVEL-FORM #) :KIND :TOPLEVEL :TYPE #<SB-KERNEL:BUILT-IN-CLASSOID FUNCTION (read-only)> :WHERE-FROM :DE..
  6: (SB-C::CONVERT-AND-MAYBE-COMPILE (SB-IMPL::%DEFUN (QUOTE SERAPEUM:@) (SB-INT:NAMED-LAMBDA SERAPEUM:@ (SERAPEUM::TABLE &REST SERAPEUM::KEYS) (DECLARE #) "A concise way of doing lookups in (potentially ..
  7: (SB-C::PROCESS-TOPLEVEL-FORM (SB-IMPL::%DEFUN (QUOTE SERAPEUM:@) (SB-INT:NAMED-LAMBDA SERAPEUM:@ (SERAPEUM::TABLE &REST SERAPEUM::KEYS) (DECLARE #) "A concise way of doing lookups in (potentially nest..
  8: (SB-C::PROCESS-TOPLEVEL-PROGN ((EVAL-WHEN (:COMPILE-TOPLEVEL) (SB-C:%COMPILER-DEFUN # T NIL NIL)) (SB-IMPL::%DEFUN (QUOTE SERAPEUM:@) (SB-INT:NAMED-LAMBDA SERAPEUM:@ # # "A concise way of doing lookup..
  9: (SB-C::PROCESS-TOPLEVEL-FORM (PROGN (EVAL-WHEN (:COMPILE-TOPLEVEL) (SB-C:%COMPILER-DEFUN # T NIL NIL)) (SB-IMPL::%DEFUN (QUOTE SERAPEUM:@) (SB-INT:NAMED-LAMBDA SERAPEUM:@ # # "A concise way of doing l..
 10: (SB-C::PROCESS-TOPLEVEL-FORM (DEFUN SERAPEUM:@ (SERAPEUM::TABLE &REST SERAPEUM::KEYS) "A concise way of doing lookups in (potentially nested) hash tables. ..)
 11: ((LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-C::SUB-COMPILE-FILE) (DEFUN SERAPEUM:@ (SERAPEUM::TABLE &REST SERAPEUM::KEYS) "A concise way of doing lookups in (potentially nes..
 12: (SB-C::%DO-FORMS-FROM-INFO #<FUNCTION (LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-C::SUB-COMPILE-FILE) {54F6607B}> #<SB-C::SOURCE-INFO {1004795683}> SB-C::INPUT-ERROR-IN-COMP..
 13: ((LAMBDA NIL :IN SB-C::SUB-COMPILE-FILE))
 14: ((FLET SB-C::WITH-IT :IN SB-C::%WITH-COMPILATION-UNIT))
 15: (SB-C::SUB-COMPILE-FILE #<SB-C::SOURCE-INFO {1004795683}> NIL)
 16: (COMPILE-FILE #P"/home/death/quicklisp/third-party/serapeum/hash-tables.lisp" :OUTPUT-FILE #P"/home/death/.cache/common-lisp/sbcl-2.4.1.255-037b7e4dc-linux-x64/home/death/quicklisp/third-party/serapeu..
 17: (UIOP/UTILITY:CALL-WITH-MUFFLED-CONDITIONS #<FUNCTION (LAMBDA NIL :IN UIOP/LISP-BUILD:COMPILE-FILE*) {10047E4B4B}> NIL)
 18: (UIOP/PATHNAME:CALL-WITH-ENOUGH-PATHNAME #P"/home/death/quicklisp/third-party/serapeum/hash-tables.lisp" NIL #<FUNCTION (LAMBDA (UIOP/LISP-BUILD::INPUT-FILE) :IN UIOP/LISP-BUILD:COMPILE-FILE*) {10047E..
 19: (UIOP/LISP-BUILD:COMPILE-FILE* #P"/home/death/quicklisp/third-party/serapeum/hash-tables.lisp" :OUTPUT-FILE #P"/home/death/.cache/common-lisp/sbcl-2.4.1.255-037b7e4dc-linux-x64/home/death/quicklisp/th..
 20: (ASDF/LISP-ACTION:PERFORM-LISP-COMPILATION #<ASDF/LISP-ACTION:COMPILE-OP > #<ASDF/LISP-ACTION:CL-SOURCE-FILE "serapeum" "level0" "hash-tables">)
 21: ((SB-PCL::EMF ASDF/ACTION:PERFORM) #<unused argument> #<unused argument> #<ASDF/LISP-ACTION:COMPILE-OP > #<ASDF/LISP-ACTION:CL-SOURCE-FILE "serapeum" "level0" "hash-tables">)
 22: ((LAMBDA NIL :IN ASDF/ACTION:CALL-WHILE-VISITING-ACTION))
 23: ((:METHOD ASDF/ACTION:PERFORM-WITH-RESTARTS :AROUND (T T)) #<ASDF/LISP-ACTION:COMPILE-OP > #<ASDF/LISP-ACTION:CL-SOURCE-FILE "serapeum" "level0" "hash-tables">) [fast-method]
 24: ((:METHOD ASDF/PLAN:PERFORM-PLAN (T)) #<ASDF/PLAN:SEQUENTIAL-PLAN {1003C590B3}>) [fast-method]
 25: ((SB-PCL::EMF ASDF/PLAN:PERFORM-PLAN) #<unused argument> #<unused argument> #<ASDF/PLAN:SEQUENTIAL-PLAN {1003C590B3}>)
 26: ((FLET SB-C::WITH-IT :IN SB-C::%WITH-COMPILATION-UNIT))
 27: ((:METHOD ASDF/PLAN:PERFORM-PLAN :AROUND (T)) #<ASDF/PLAN:SEQUENTIAL-PLAN {1003C590B3}>) [fast-method]
 28: ((SB-PCL::EMF ASDF/PLAN:PERFORM-PLAN) #<unused argument> #<unused argument> #<ASDF/PLAN:SEQUENTIAL-PLAN {1003C590B3}>)
 29: ((LAMBDA (SB-PCL::.ARG0. SB-INT:&MORE SB-PCL::.MORE-CONTEXT. SB-PCL::.MORE-COUNT.) :IN "/home/death/quicklisp/setup.lisp") #<ASDF/PLAN:SEQUENTIAL-PLAN {1003C590B3}>)
 30: ((:METHOD ASDF/OPERATE:OPERATE (ASDF/OPERATION:OPERATION ASDF/COMPONENT:COMPONENT)) #<ASDF/LISP-ACTION:LOAD-OP > #<ASDF/SYSTEM:SYSTEM "serapeum"> :PLAN-CLASS NIL :PLAN-OPTIONS NIL) [fast-method]
 31: ((SB-PCL::EMF ASDF/OPERATE:OPERATE) #<unused argument> #<unused argument> #<ASDF/LISP-ACTION:LOAD-OP > #<ASDF/SYSTEM:SYSTEM "serapeum"> :VERBOSE NIL)
 32: ((LAMBDA NIL :IN ASDF/OPERATE:OPERATE))
 33: ((:METHOD ASDF/OPERATE:OPERATE :AROUND (T T)) #<ASDF/LISP-ACTION:LOAD-OP > #<ASDF/SYSTEM:SYSTEM "serapeum"> :VERBOSE NIL) [fast-method]
 34: ((SB-PCL::EMF ASDF/OPERATE:OPERATE) #<unused argument> #<unused argument> #<ASDF/LISP-ACTION:LOAD-OP > #<ASDF/SYSTEM:SYSTEM "serapeum"> :VERBOSE NIL)
 35: ((FLET CALL-NEXT-METHOD :IN "/home/death/.sbclrc") #<unavailable &REST argument>)
 36: ((:METHOD ASDF/OPERATE:OPERATE ((EQL (QUOTE ASDF/LISP-ACTION:LOAD-OP)) T)) ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL) [fast-method]
 37: ((SB-PCL::EMF ASDF/OPERATE:OPERATE) #<unused argument> #<unused argument> ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL)
 38: ((LAMBDA NIL :IN ASDF/OPERATE:OPERATE))
 39: ((:METHOD ASDF/OPERATE:OPERATE :AROUND (T T)) ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL) [fast-method]
 40: ((SB-PCL::EMF ASDF/OPERATE:OPERATE) #<unused argument> #<unused argument> ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL)
 41: ((LAMBDA (SB-PCL::.PV. SB-PCL::.NEXT-METHOD-CALL. SB-PCL::.ARG0. SB-PCL::.ARG1. SB-INT:&MORE SB-PCL::.DFUN-MORE-CONTEXT. SB-PCL::.DFUN-MORE-COUNT.) :IN "/home/death/quicklisp/local-projects/core/make-..
 42: (ASDF/SESSION:CALL-WITH-ASDF-SESSION #<FUNCTION (LAMBDA NIL :IN ASDF/OPERATE:OPERATE) {1003C56D2B}> :OVERRIDE T :KEY NIL :OVERRIDE-CACHE T :OVERRIDE-FORCING NIL)
 43: ((LAMBDA NIL :IN ASDF/OPERATE:OPERATE))
 44: (ASDF/SESSION:CALL-WITH-ASDF-SESSION #<FUNCTION (LAMBDA NIL :IN ASDF/OPERATE:OPERATE) {1003B053AB}> :OVERRIDE NIL :KEY NIL :OVERRIDE-CACHE NIL :OVERRIDE-FORCING NIL)
 45: ((:METHOD ASDF/OPERATE:OPERATE :AROUND (T T)) ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL) [fast-method]
 46: ((SB-PCL::EMF ASDF/OPERATE:OPERATE) #<unused argument> #<unused argument> ASDF/LISP-ACTION:LOAD-OP "serapeum" :VERBOSE NIL)
 47: ((LAMBDA (SB-PCL::.PV. SB-PCL::.NEXT-METHOD-CALL. SB-PCL::.ARG0. SB-PCL::.ARG1. SB-INT:&MORE SB-PCL::.DFUN-MORE-CONTEXT. SB-PCL::.DFUN-MORE-COUNT.) :IN "/home/death/quicklisp/local-projects/core/make-..
 48: (ASDF/OPERATE:LOAD-SYSTEM "serapeum" :VERBOSE NIL)
 49: ((LAMBDA NIL :IN QUICKLISP-CLIENT::APPLY-LOAD-STRATEGY))
 50: (QUICKLISP-CLIENT::CALL-WITH-MACROEXPAND-PROGRESS #<FUNCTION (LAMBDA NIL :IN QUICKLISP-CLIENT::APPLY-LOAD-STRATEGY) {1003B051EB}>)
 51: (QUICKLISP-CLIENT::APPLY-LOAD-STRATEGY #<QUICKLISP-CLIENT::LOAD-STRATEGY "serapeum" (1 asdf, 0 quicklisp)>)
 52: (QUICKLISP-CLIENT::AUTOLOAD-SYSTEM-AND-DEPENDENCIES "serapeum" :PROMPT NIL)
 53: ((FLET QUICKLISP-CLIENT::QL :IN QUICKLISP-CLIENT:QUICKLOAD))
 54: ((:METHOD QL-IMPL-UTIL::%CALL-WITH-QUIET-COMPILATION (T T)) #<unused argument> #<FUNCTION (FLET QUICKLISP-CLIENT::QL :IN QUICKLISP-CLIENT:QUICKLOAD) {100391FABB}>) [fast-method]
 55: ((FLET CALL-NEXT-METHOD :IN "/home/death/quicklisp/quicklisp/impl-util.lisp") #<unavailable &REST argument>)
 56: ((:METHOD QL-IMPL-UTIL::%CALL-WITH-QUIET-COMPILATION :AROUND (QL-IMPL:SBCL T)) #<QL-IMPL:SBCL {100103D3B3}> #<FUNCTION (FLET QUICKLISP-CLIENT::QL :IN QUICKLISP-CLIENT:QUICKLOAD) {100391FABB}>) [fast-m..
 57: (QL-IMPL-UTIL:CALL-WITH-QUIET-COMPILATION #<FUNCTION (FLET QUICKLISP-CLIENT::QL :IN QUICKLISP-CLIENT:QUICKLOAD) {100391FABB}>)
 58: ((:METHOD QUICKLISP-CLIENT:QUICKLOAD (T)) "serapeum" :PROMPT NIL :SILENT NIL :VERBOSE NIL) [fast-method]
 59: ((SB-PCL::EMF QUICKLISP-CLIENT:QUICKLOAD) #<unused argument> #<unused argument> "serapeum")
 60: ((FLET CALL-NEXT-METHOD :IN "/home/death/quicklisp/quicklisp/client.lisp") #<unavailable &REST argument>)
 61: ((LAMBDA NIL :IN QUICKLISP-CLIENT:QUICKLOAD))
 62: (QL-DIST::CALL-WITH-CONSISTENT-DISTS #<FUNCTION (LAMBDA NIL :IN QUICKLISP-CLIENT:QUICKLOAD) {100389F75B}>)
 63: ((:METHOD QUICKLISP-CLIENT:QUICKLOAD :AROUND (T)) "serapeum") [fast-method]
 64: ((SB-PCL::EMF QUICKLISP-CLIENT:QUICKLOAD) #<unused argument> #<unused argument> "serapeum")
 65: ((LAMBDA (SB-PCL::.ARG0. SB-INT:&MORE SB-PCL::.MORE-CONTEXT. SB-PCL::.MORE-COUNT.) :IN "/home/death/quicklisp/setup.lisp") "serapeum")
 66: (SB-INT:SIMPLE-EVAL-IN-LEXENV (QUICKLISP-CLIENT:QUICKLOAD "serapeum") #<NULL-LEXENV>)
 67: (EVAL (QUICKLISP-CLIENT:QUICKLOAD "serapeum"))
 68: (SWANK::EVAL-REGION "(ql:quickload \"serapeum\") ..)
 69: ((LAMBDA NIL :IN SWANK-REPL::REPL-EVAL))
 70: (SWANK-REPL::TRACK-PACKAGE #<FUNCTION (LAMBDA NIL :IN SWANK-REPL::REPL-EVAL) {100389F5FB}>)
 71: ((LAMBDA NIL :IN SWANK-REPL::REPL-EVAL))
 72: (SWANK::CALL-WITH-RETRY-RESTART "Retry SLIME REPL evaluation request." #<FUNCTION (LAMBDA NIL :IN SWANK-REPL::REPL-EVAL) {100389F5DB}>)
 73: ((LAMBDA NIL :IN SWANK-REPL::REPL-EVAL))
 74: (SWANK/BACKEND:CALL-WITH-SYNTAX-HOOKS #<FUNCTION (LAMBDA NIL :IN SWANK-REPL::REPL-EVAL) {100389F5BB}>)
 75: (SWANK::CALL-WITH-BUFFER-SYNTAX NIL #<FUNCTION (LAMBDA NIL :IN SWANK-REPL::REPL-EVAL) {100389F5BB}>)
 76: (SWANK-REPL::REPL-EVAL "(ql:quickload \"serapeum\") ..)
 77: (SWANK-REPL:LISTENER-EVAL "(ql:quickload \"serapeum\") ..)
 78: (SB-INT:SIMPLE-EVAL-IN-LEXENV (SWANK-REPL:LISTENER-EVAL "(ql:quickload \"serapeum\") ..)
 79: (EVAL (SWANK-REPL:LISTENER-EVAL "(ql:quickload \"serapeum\") ..)
 80: (SWANK:EVAL-FOR-EMACS (SWANK-REPL:LISTENER-EVAL "(ql:quickload \"serapeum\") ..)
 81: (SWANK::PROCESS-REQUESTS NIL)
 82: ((LAMBDA NIL :IN SWANK::HANDLE-REQUESTS))
 83: ((LAMBDA NIL :IN SWANK::HANDLE-REQUESTS))
 84: (SWANK/SBCL::CALL-WITH-BREAK-HOOK #<FUNCTION SWANK:SWANK-DEBUGGER-HOOK> #<FUNCTION (LAMBDA NIL :IN SWANK::HANDLE-REQUESTS) {100BBE802B}>)
 85: ((FLET SWANK/BACKEND:CALL-WITH-DEBUGGER-HOOK :IN "/home/death/quicklisp/local-projects/slime/swank/sbcl.lisp") #<FUNCTION SWANK:SWANK-DEBUGGER-HOOK> #<FUNCTION (LAMBDA NIL :IN SWANK::HANDLE-REQUESTS) ..
 86: (SWANK/BACKEND:CALL-WITH-DEBUGGER-HOOK #<FUNCTION SWANK:SWANK-DEBUGGER-HOOK> #<FUNCTION (LAMBDA NIL :IN SWANK::HANDLE-REQUESTS) {100BBE802B}>)
 87: ((LAMBDA NIL :IN SWANK::HANDLE-REQUESTS))
 88: (SWANK::CALL-WITH-BINDINGS ((*STANDARD-INPUT* . #<SWANK/GRAY::SLIME-INPUT-STREAM {100B9AA9C3}>)) #<FUNCTION (LAMBDA NIL :IN SWANK::HANDLE-REQUESTS) {100BBE804B}>)
 89: (SWANK::HANDLE-REQUESTS #<SWANK::MULTITHREADED-CONNECTION {100ACAF1F3}> NIL)
 90: (SWANK-REPL::REPL-LOOP #<SWANK::MULTITHREADED-CONNECTION {100ACAF1F3}>)
 91: ((LAMBDA NIL :IN SWANK-REPL::SPAWN-REPL-THREAD))
 92: (SWANK::CALL-WITH-BINDINGS NIL #<FUNCTION (LAMBDA NIL :IN SWANK-REPL::SPAWN-REPL-THREAD) {100BBE800B}>)
 93: ((LAMBDA NIL :IN SWANK-REPL::SPAWN-REPL-THREAD))
 94: ((FLET SB-UNIX::BODY :IN SB-THREAD::RUN))
 95: ((FLET "WITHOUT-INTERRUPTS-BODY-" :IN SB-THREAD::RUN))
 96: ((FLET SB-UNIX::BODY :IN SB-THREAD::RUN))
 97: ((FLET "WITHOUT-INTERRUPTS-BODY-" :IN SB-THREAD::RUN))
 98: (SB-THREAD::RUN)
 99: ("foreign function: call_into_lisp_")
 100: ("foreign function: funcall1")