Checking if your kit is complete...
Looks good
Writing Makefile for WebService::Hatena::Exist
cp lib/WebService/Hatena/Exist.pm blib/lib/WebService/Hatena/Exist.pm
Manifying blib/man3/WebService::Hatena::Exist.3
PERL_DL_NONLAZY=1 /export/home/cpanrun/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 -e 'use Test::Harness qw(&runtests $verbose); $verbose=0; runtests @ARGV;' t/*.t
t/00_compile........
#     Failed test (t/00_compile.t at line 5)
#     Tried to use 'WebService::Hatena::Exist'.
#     Error:  First argument to Readonly must be a reference. at blib/lib/WebService/Hatena/Exist.pm line 10
# Compilation failed in require at (eval 3) line 2.
# BEGIN failed--compilation aborted at t/00_compile.t line 5.
# Looks like you failed 1 test of 1.
dubious
	Test returned status 1 (wstat 256, 0x100)
DIED. FAILED test 1
	Failed 1/1 tests, 0.00% okay
Failed Test    Status Wstat Total Fail  Failed  List of Failed
--------------------------------------------------------------------------------
t/00_compile.t	   1   256     1    1 100.00%  1
Failed 1/1 test scripts, 0.00% okay. 1/1 subtests failed, 0.00% okay.
make: *** [test_dynamic] Error 2