Checking if your kit is complete...
Looks good
Writing Makefile for Sub::Caller
cp Caller.pm blib/lib/Sub/Caller.pm
/home/cpanrun/build/5.6.1/bin/perl -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp  -typemap /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Caller.xs > Caller.xsc && mv Caller.xsc Caller.c
gcc -c  -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.60\" -DXS_VERSION=\"0.60\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  Caller.c
Running Mkbootstrap for Sub::Caller ()
chmod 644 Caller.bs
rm -f blib/arch/auto/Sub/Caller/Caller.so
LD_RUN_PATH="" gcc  -shared Caller.o  -o blib/arch/auto/Sub/Caller/Caller.so     
chmod 755 blib/arch/auto/Sub/Caller/Caller.so
cp Caller.bs blib/arch/auto/Sub/Caller/Caller.bs
chmod 644 blib/arch/auto/Sub/Caller/Caller.bs
Manifying blib/man3/Sub::Caller.3
PERL_DL_NONLAZY=1 /home/cpanrun/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 -e 'use Test::Harness qw(&runtests $verbose); $verbose=0; runtests @ARGV;' t/*.t
t/caller............Use of uninitialized value in pattern match (m//) at blib/lib/Sub/Caller.pm line 60.
Subroutine test redefined at blib/lib/Sub/Caller.pm line 103.
Use of uninitialized value in substitution (s///) at blib/lib/Sub/Caller.pm line 47.
ok
t/use...............Use of uninitialized value in pattern match (m//) at blib/lib/Sub/Caller.pm line 60.
ok
All tests successful.
Files=2, Tests=13,  1 wallclock secs ( 0.72 cusr +  0.05 csys =  0.77 CPU)
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/auto/Sub/Caller/Caller.so
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/auto/Sub/Caller/Caller.bs
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/Sub/Caller.pm
Installing /home/cpanrun/build/5.6.1/man/man3/Sub::Caller.3
Appending installation info to /home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/perllocal.pod