[INFO] crate google-dfareporting2d7-cli 1.0.6+20170818 is already in cache
[INFO] extracting crate google-dfareporting2d7-cli 1.0.6+20170818 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/google-dfareporting2d7-cli/1.0.6+20170818
[INFO] extracting crate google-dfareporting2d7-cli 1.0.6+20170818 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/google-dfareporting2d7-cli/1.0.6+20170818
[INFO] validating manifest of google-dfareporting2d7-cli-1.0.6+20170818 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of google-dfareporting2d7-cli-1.0.6+20170818 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing google-dfareporting2d7-cli-1.0.6+20170818
[INFO] finished frobbing google-dfareporting2d7-cli-1.0.6+20170818
[INFO] frobbed toml for google-dfareporting2d7-cli-1.0.6+20170818 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/google-dfareporting2d7-cli/1.0.6+20170818/Cargo.toml
[INFO] started frobbing google-dfareporting2d7-cli-1.0.6+20170818
[INFO] finished frobbing google-dfareporting2d7-cli-1.0.6+20170818
[INFO] frobbed toml for google-dfareporting2d7-cli-1.0.6+20170818 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/google-dfareporting2d7-cli/1.0.6+20170818/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded google-dfareporting2d7 v1.0.6+20170428
[INFO] [stderr] error: failed to verify the checksum of `google-dfareporting2d7 v1.0.6+20170428`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed