[INFO] fetching crate win32_filetime_utils 0.2.1...
[INFO] extracting crate win32_filetime_utils 0.2.1 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/win32_filetime_utils/0.2.1
[INFO] extracting crate win32_filetime_utils 0.2.1 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/win32_filetime_utils/0.2.1
[INFO] validating manifest of win32_filetime_utils-0.2.1 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 win32_filetime_utils-0.2.1 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 win32_filetime_utils-0.2.1
[INFO] finished frobbing win32_filetime_utils-0.2.1
[INFO] frobbed toml for win32_filetime_utils-0.2.1 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/win32_filetime_utils/0.2.1/Cargo.toml
[INFO] started frobbing win32_filetime_utils-0.2.1
[INFO] finished frobbing win32_filetime_utils-0.2.1
[INFO] frobbed toml for win32_filetime_utils-0.2.1 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/win32_filetime_utils/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: cyclic package dependency: package `win32_filetime_utils v0.2.1` depends on itself. Cycle:
[INFO] [stderr] package `win32_filetime_utils v0.2.1`
[INFO] [stderr]     ... which is depended on by `win32_filetime_utils v0.2.1 (/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/win32_filetime_utils/0.2.1)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed