File::Tail will be installed without debugging information.
This information isn't usefull unless you intend to tinker 
with the code. To install with debugging enabled, use:
perl Makefile.PL LOGIT
Checking if your kit is complete...
Looks good
Writing Makefile for File::Tail
cp Tail.pm blib/lib/File/Tail.pm
Manifying blib/man3/File::Tail.3
PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.10.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t
t/10open...........1..6
ok 1
Can't call method "mtime" without a package or object reference at /Users/cpanrun/depot/main/contrib-patched/perl/CPAN/src/File-Tail/blib/lib/File/Tail.pm line 401.
dubious
	Test returned status 25 (wstat 6400, 0x1900)
DIED. FAILED tests 2-6
	Failed 5/6 tests, 16.67% okay
t/20tail...........1..7
Can't call method "mtime" without a package or object reference at /Users/cpanrun/depot/main/contrib-patched/perl/CPAN/src/File-Tail/blib/lib/File/Tail.pm line 401.
dubious
	Test returned status 25 (wstat 6400, 0x1900)
DIED. FAILED tests 1-7
	Failed 7/7 tests, 0.00% okay
t/30name_change....1..2
Can't call method "mtime" without a package or object reference at /Users/cpanrun/depot/main/contrib-patched/perl/CPAN/src/File-Tail/blib/lib/File/Tail.pm line 401.
dubious
	Test returned status 255 (wstat 65280, 0xff00)
DIED. FAILED tests 1-2
	Failed 2/2 tests, 0.00% okay
Failed Test       Stat Wstat Total Fail  List of Failed
-------------------------------------------------------------------------------
t/10open.t          25  6400     6   10  2-6
t/20tail.t          25  6400     7   14  1-7
t/30name_change.t  255 65280     2    4  1-2
Failed 3/3 test scripts. 14/15 subtests failed.
Files=3, Tests=15,  0 wallclock secs ( 0.29 cusr +  0.09 csys =  0.38 CPU)
Failed 3/3 test programs. 14/15 subtests failed.
make: *** [test_dynamic] Error 255