diff --git a/go.sum b/go.sum
index f41ca8d..3a26a7d 100644
--- a/go.sum
+++ b/go.sum
@@ -146,6 +146,8 @@
 github.com/aws/aws-sdk-go v1.30.27/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aws/aws-sdk-go v1.30.28 h1:SaPM7dlmp7h3Lj1nJ4jdzOkTdom08+g20k7AU5heZYg=
 github.com/aws/aws-sdk-go v1.30.28/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
+github.com/aws/aws-sdk-go v1.30.29 h1:NXNqBS9hjOCpDL8SyCyl38gZX3LLLunKOJc5E7vJ8P0=
+github.com/aws/aws-sdk-go v1.30.29/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -583,6 +585,7 @@
 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 h1:lDH9UUVJtmYCjyT0CI4q8xvlXPxeZ0gYCVvWbmPlp88=
 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
 github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
+github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.0.1/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/openzipkin/zipkin-go v0.1.6/go.mod h1:QgAqvLzwWbR/WpD4A3cGpPtJrZXNIiJc5AZX7/PBEpw=
@@ -813,6 +816,8 @@
 go.chromium.org/luci v0.0.0-20200515024543-2c12eb51855f/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
 go.chromium.org/luci v0.0.0-20200516014619-ad87be4122fc h1:65cY8veo1OJckoGp9kEm7ceh98fd9hFDvbEciyl+s9Y=
 go.chromium.org/luci v0.0.0-20200516014619-ad87be4122fc/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
+go.chromium.org/luci v0.0.0-20200517015940-a4f4b073be33 h1:BovFCllMqHeCztxmDuubjJfv3yax7027zuPJYuQs4lU=
+go.chromium.org/luci v0.0.0-20200517015940-a4f4b073be33/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.mongodb.org/mongo-driver v1.1.0/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
@@ -865,6 +870,8 @@
 go.skia.org/infra v0.0.0-20200514203654-68437497a177/go.mod h1:ZYLSLco+ZPsUvsLIuHQ4imULI2iQpIsqjJgQV51nJYQ=
 go.skia.org/infra v0.0.0-20200515201715-a7a36bfa3904 h1:zBqjjxRqYNanPs/u1eG+OS5ES2NDze5+YgUHpR/ECiw=
 go.skia.org/infra v0.0.0-20200515201715-a7a36bfa3904/go.mod h1:RgvrC4IwpwLL8pGY6Ky+jvo4ESN6QIhDCTLuQRMLS+Y=
+go.skia.org/infra v0.0.0-20200517003836-a97023535be0 h1:5Y3+W824N7nyN6jtRQ5nVIR4+F6X82yanNCKy3+mfZk=
+go.skia.org/infra v0.0.0-20200517003836-a97023535be0/go.mod h1:wUNkV36PKChD+FqXnbutU+CTrowS34zogZxR7dM9/Qw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=