Here's a full log from the second CPAN invocation:
afl@dorothy% cpan Class::Load
Loading internal null logger. Install Log::Log4perl for logging messages
Reading '/home/afl/.cpan/Metadata'
Database was generated on Wed, 24 May 2017 06:41:02 GMT
Running install for module 'Class::Load'
Checksum for /home/afl/.cpan/sources/authors/id/E/ET/ETHER/Class-Load-0.24.tar.gz ok
'YAML' not installed, will not store persistent state
Configuring E/ET/ETHER/Class-Load-0.24.tar.gz with Makefile.PL
Checking if your kit is complete...
Looks good
Generating a Unix-style Makefile
Writing Makefile for Class::Load
Writing MYMETA.yml and MYMETA.json
ETHER/Class-Load-0.24.tar.gz
/home/afl/perlbrew/perls/perl-5.26.0-rc2/bin/perl Makefile.PL -- OK
Running make for E/ET/ETHER/Class-Load-0.24.tar.gz
cp lib/Class/Load/PP.pm blib/lib/Class/Load/PP.pm
cp lib/Class/Load.pm blib/lib/Class/Load.pm
Manifying 1 pod document
ETHER/Class-Load-0.24.tar.gz
/usr/bin/make -- OK
Running make test
PERL_DL_NONLAZY=1 "/home/afl/perlbrew/perls/perl-5.26.0-rc2/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/00-report-prereqs.t ........... #
# Versions for all modules listed in MYMETA.json (including optional ones):
#
# === Configure Requires ===
#
# Module Want Have
# ------------------- ---- ----
# ExtUtils::MakeMaker any 7.24
#
# === Configure Suggests ===
#
# Module Want Have
# -------- ------- ----------
# JSON::PP 2.27300 2.27400_02
#
# === Build Requires ===
#
# Module Want Have
# ------------------- ---- ----
# ExtUtils::MakeMaker any 7.24
#
# === Test Requires ===
#
# Module Want Have
# ------------------- ---- --------
# ExtUtils::MakeMaker any 7.24
# File::Spec any 3.67
# Test::Fatal any 0.014
# Test::More 0.88 1.302073
# Test::Needs any 0.002005
# constant any 1.33
# lib any 0.64
# version any 0.9917
#
# === Test Recommends ===
#
# Module Want Have
# ---------- -------- --------
# CPAN::Meta 2.120900 2.150010
#
# === Runtime Requires ===
#
# Module Want Have
# ---------------------- ----- -------
# Carp any 1.42
# Data::OptList any 0.110
# Exporter any 5.72
# Module::Implementation 0.04 0.09
# Module::Runtime 0.012 0.014
# Package::Stash 0.14 0.37
# Scalar::Util any 1.46_02
# Try::Tiny any 0.28
# base any 2.25
# strict any 1.11
# warnings any 1.37
#
# === Runtime Recommends ===
#
# Module Want Have
# ------------- ----- -----
# Data::OptList 0.110 0.110
#
# === Other Modules ===
#
# Module Have
# --------- ----------
# JSON::PP 2.27400_02
# Sub::Name missing
# YAML missing
# autodie 2.29
#
t/00-report-prereqs.t ........... ok
t/000-load.t .................... 1/? # Using PP implementation
t/000-load.t .................... ok
t/001-is-class-loaded.t ......... ok
t/002-try-load-class.t .......... ok
t/003-load-class.t .............. ok
t/004-load-double.t ............. ok
t/005-load-optional.t ........... ok
t/006-returned-error.t .......... ok
t/007-first-existing.t .......... ok
t/008-gvstash-bug.t ............. ok
t/009-invalid-module-name.t ..... ok
t/010-isa-false-positive.t ...... ok
t/011-without-xs.t .............. skipped: Need Test::Without::Module
t/012-without-implementation.t .. skipped: Need Test::Without::Module
t/013-errors.t .................. ok
t/014-weird-constants.t ......... ok
All tests successful.
Files=16, Tests=125, 1 wallclock secs ( 0.05 usr 0.00 sys + 0.70 cusr 0.05 csys = 0.80 CPU)
Result: PASS
ETHER/Class-Load-0.24.tar.gz
/usr/bin/make test -- OK
Running make install
Manifying 1 pod document
Installing /home/afl/perlbrew/perls/perl-5.26.0-rc2/lib/site_perl/5.26.0/Class/Load.pm
Installing /home/afl/perlbrew/perls/perl-5.26.0-rc2/lib/site_perl/5.26.0/Class/Load/PP.pm
Installing /home/afl/perlbrew/perls/perl-5.26.0-rc2/man/man3/Class::Load.3
Appending installation info to /home/afl/perlbrew/perls/perl-5.26.0-rc2/lib/5.26.0/x86_64-linux/perllocal.pod
ETHER/Class-Load-0.24.tar.gz
/usr/bin/make install -- OK