[INFO] crate simple_jazz 0.1.0 is already in cache
[INFO] extracting crate simple_jazz 0.1.0 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/simple_jazz/0.1.0
[INFO] extracting crate simple_jazz 0.1.0 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/simple_jazz/0.1.0
[INFO] validating manifest of simple_jazz-0.1.0 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of simple_jazz-0.1.0 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing simple_jazz-0.1.0
[INFO] finished frobbing simple_jazz-0.1.0
[INFO] frobbed toml for simple_jazz-0.1.0 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/simple_jazz/0.1.0/Cargo.toml
[INFO] started frobbing simple_jazz-0.1.0
[INFO] finished frobbing simple_jazz-0.1.0
[INFO] frobbed toml for simple_jazz-0.1.0 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/simple_jazz/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: cyclic package dependency: package `jazz v0.1.91` depends on itself. Cycle:
[INFO] [stderr] package `jazz v0.1.91`
[INFO] [stderr]     ... which is depended on by `simple_jazz v0.1.0 (/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/simple_jazz/0.1.0)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed