[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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/google-dfareporting2d7-cli/1.0.6+20170818
[INFO] extracting crate google-dfareporting2d7-cli 1.0.6+20170818 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/google-dfareporting2d7-cli/1.0.6+20170818
[INFO] validating manifest of google-dfareporting2d7-cli-1.0.6+20170818 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of google-dfareporting2d7-cli-1.0.6+20170818 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/google-dfareporting2d7-cli/1.0.6+20170818/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed