[INFO] cloning repository arctosa-insights/twenty-twenty
[INFO] running `"git" "clone" "--bare" "git://github.com/arctosa-insights/twenty-twenty.git" "work/cache/sources/gh/arctosa-insights/twenty-twenty"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/arctosa-insights/twenty-twenty'...
[INFO] running `"git" "clone" "work/cache/sources/gh/arctosa-insights/twenty-twenty" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/arctosa-insights/twenty-twenty"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/arctosa-insights/twenty-twenty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arctosa-insights/twenty-twenty" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/arctosa-insights/twenty-twenty"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/arctosa-insights/twenty-twenty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9c67f16feeeda658bc49a5276013ba0e922b4ba
[INFO] sha for GitHub repo arctosa-insights/twenty-twenty: b9c67f16feeeda658bc49a5276013ba0e922b4ba
[INFO] validating manifest of arctosa-insights/twenty-twenty on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arctosa-insights/twenty-twenty on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arctosa-insights/twenty-twenty
[INFO] finished frobbing arctosa-insights/twenty-twenty
[INFO] frobbed toml for arctosa-insights/twenty-twenty written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/arctosa-insights/twenty-twenty/Cargo.toml
[INFO] started frobbing arctosa-insights/twenty-twenty
[INFO] finished frobbing arctosa-insights/twenty-twenty
[INFO] frobbed toml for arctosa-insights/twenty-twenty written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/arctosa-insights/twenty-twenty/Cargo.toml
[INFO] crate arctosa-insights/twenty-twenty has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded google-pubsub1 v1.0.7+20171129
[INFO] [stderr] error: failed to verify the checksum of `google-pubsub1 v1.0.7+20171129`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed