diff --git a/go.sum b/go.sum
index 7dd2fd5..6620f59 100644
--- a/go.sum
+++ b/go.sum
@@ -25,6 +25,8 @@
 cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
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 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.58.0 h1:vtAfVc723K3xKq1BQydk/FyCldnaNFhGhpJxaJzgRMQ=
+cloud.google.com/go v0.58.0/go.mod h1:W+9FnSUw6nhVwXlFcp1eL+krq5+HQUJeUogSeJZZiWg=
 cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
@@ -169,6 +171,8 @@
 github.com/aws/aws-sdk-go v1.31.10/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
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 github.com/aws/aws-sdk-go v1.31.11/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
+github.com/aws/aws-sdk-go v1.31.14 h1:uRC2riabEXPMHl1CDylsfCod5DKjiOSXhYvxg/Eb9V8=
+github.com/aws/aws-sdk-go v1.31.14/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
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 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -376,6 +380,7 @@
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 github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200507031123-427632fa3b1c/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -501,6 +506,8 @@
 github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
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 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68=
+github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1 h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o=
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@@ -577,6 +584,8 @@
 github.com/mitchellh/mapstructure v1.3.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
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 github.com/mitchellh/mapstructure v1.3.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/mapstructure v1.3.2 h1:mRS76wmkOn3KkKAyXDu42V+6ebnXWIztFSYGN7GeoRg=
+github.com/mitchellh/mapstructure v1.3.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
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@@ -684,6 +693,8 @@
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+github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
@@ -715,6 +726,8 @@
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 github.com/skia-dev/go2ts v1.1.0 h1:jcd0AIOe7PxizwPsInBQA8X3cgLm4tGint/LMIKb1DE=
 github.com/skia-dev/go2ts v1.1.0/go.mod h1:pE59J8wf5IHSMtPhH8PmWq5ZTLt6p1Ih+4ODd9fkGXk=
+github.com/skia-dev/go2ts v1.3.0 h1:0MJfc4SBAlx+7ZeGsQA5zCKg59hcNapoi7AdqIGT9lo=
+github.com/skia-dev/go2ts v1.3.0/go.mod h1:pE59J8wf5IHSMtPhH8PmWq5ZTLt6p1Ih+4ODd9fkGXk=
 github.com/skia-dev/google-api-go-client v0.10.1-0.20200109184256-16c3d6f408b2 h1:Id5JdSD66PKQQiiVFG1VXDVCT5U3DcDzJSReXRxKRLk=
 github.com/skia-dev/google-api-go-client v0.10.1-0.20200109184256-16c3d6f408b2/go.mod h1:N0iTzjbw95ZVfOL7wVngmVXE2kG0NP+LYlq3QMwf9Qo=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
@@ -900,6 +913,10 @@
 go.chromium.org/luci v0.0.0-20200606210838-0cf95fe43711/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
 go.chromium.org/luci v0.0.0-20200607214229-335dfe308d12 h1:SW4K2pCWkD9JJIJejDmMdvsmoaOBLdgk/a5J3WcPggU=
 go.chromium.org/luci v0.0.0-20200607214229-335dfe308d12/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
+go.chromium.org/luci v0.0.0-20200610031951-aa35210c29b0 h1:t1mvHoACc3BTwLszzxklvj5DhFgeF2bM0srv6yPP4r4=
+go.chromium.org/luci v0.0.0-20200610031951-aa35210c29b0/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
+go.chromium.org/luci v0.0.0-20200616031706-d0fdf43f911f h1:YzAEJZzV9ML+5k5a99zUa0TVzg5LguU0Mh680T9H7Go=
+go.chromium.org/luci v0.0.0-20200616031706-d0fdf43f911f/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=
@@ -992,6 +1009,8 @@
 go.skia.org/infra v0.0.0-20200605163027-b867fb6b6232/go.mod h1:rUspbipWPw+4biwgLMMx4G+N98efd9fe9bGN5w3McX0=
 go.skia.org/infra v0.0.0-20200607051952-f5b0a6c1ff19 h1:r7jv7+kc3/GWF6V6F41DGewz8I88JPZ/8SJgIOzAO4g=
 go.skia.org/infra v0.0.0-20200607051952-f5b0a6c1ff19/go.mod h1:rUspbipWPw+4biwgLMMx4G+N98efd9fe9bGN5w3McX0=
+go.skia.org/infra v0.0.0-20200616030136-5b68b7891c11 h1:7mRcsdA0SA+ZBlr/hIaqyObrLOJJiLoNDtIQfcm4HXM=
+go.skia.org/infra v0.0.0-20200616030136-5b68b7891c11/go.mod h1:zZzuuDGdQ4PWDlSeT6XES2oeGAN0MC3Si7jAqktPpj0=
 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=
@@ -1232,6 +1251,8 @@
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 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980 h1:OjiUf46hAmXblsZdnoSXsEUSKU8r1UEzcL5RVZ4gO9Y=
 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 h1:ogLJMz+qpzav7lGMh10LMvAkM/fAoGlaiiHYiFYdm80=
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 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1375,6 +1396,9 @@
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 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -1509,6 +1533,9 @@
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@@ -1603,6 +1630,8 @@
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