[INFO] crate patron 0.2.1 is already in cache
[INFO] extracting crate patron 0.2.1 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/patron/0.2.1
[INFO] extracting crate patron 0.2.1 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/patron/0.2.1
[INFO] validating manifest of patron-0.2.1 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of patron-0.2.1 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing patron-0.2.1
[INFO] finished frobbing patron-0.2.1
[INFO] frobbed toml for patron-0.2.1 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/patron/0.2.1/Cargo.toml
[INFO] started frobbing patron-0.2.1
[INFO] finished frobbing patron-0.2.1
[INFO] frobbed toml for patron-0.2.1 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/patron/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `webpki = "^0.8.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.20.0, 0.19.1, 0.19.0, ...
[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 `patron v0.2.1 (/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/patron/0.2.1)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate patron-0.2.1 depends on yanked crates
[ERROR]