[INFO] updating cached repository klingtnet/star-mirror
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/klingtnet/star-mirror
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/klingtnet/star-mirror" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/klingtnet/star-mirror"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/klingtnet/star-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/klingtnet/star-mirror" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/klingtnet/star-mirror"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/klingtnet/star-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 374587b6f4808c9ec11d2cb1f736d146154d309d
[INFO] sha for GitHub repo klingtnet/star-mirror: 374587b6f4808c9ec11d2cb1f736d146154d309d
[INFO] validating manifest of klingtnet/star-mirror on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of klingtnet/star-mirror on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing klingtnet/star-mirror
[INFO] finished frobbing klingtnet/star-mirror
[INFO] frobbed toml for klingtnet/star-mirror written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/klingtnet/star-mirror/Cargo.toml
[INFO] started frobbing klingtnet/star-mirror
[INFO] finished frobbing klingtnet/star-mirror
[INFO] frobbed toml for klingtnet/star-mirror written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/klingtnet/star-mirror/Cargo.toml
[INFO] crate klingtnet/star-mirror already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `webpki = "^0.8.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.19.1, 0.19.0, 0.18.1
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `webpki-roots v0.6.0`
[INFO] [stderr]     ... which is depended on by `hyper-rustls v0.3.0`
[INFO] [stderr]     ... which is depended on by `github-rs v0.4.1`
[INFO] [stderr]     ... which is depended on by `star-mirror v0.1.0 (/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/klingtnet/star-mirror)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed