[INFO] updating cached repository insanitybit/msgpack_script
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/insanitybit/msgpack_script
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/insanitybit/msgpack_script" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/insanitybit/msgpack_script"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/insanitybit/msgpack_script'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/insanitybit/msgpack_script" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/insanitybit/msgpack_script"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/insanitybit/msgpack_script'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f89340d980f742a2c5de2516053adc6242340ccb
[INFO] sha for GitHub repo insanitybit/msgpack_script: f89340d980f742a2c5de2516053adc6242340ccb
[INFO] validating manifest of insanitybit/msgpack_script on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of insanitybit/msgpack_script on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing insanitybit/msgpack_script
[INFO] finished frobbing insanitybit/msgpack_script
[INFO] frobbed toml for insanitybit/msgpack_script written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/insanitybit/msgpack_script/Cargo.toml
[INFO] started frobbing insanitybit/msgpack_script
[INFO] finished frobbing insanitybit/msgpack_script
[INFO] frobbed toml for insanitybit/msgpack_script written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/insanitybit/msgpack_script/Cargo.toml
[INFO] crate insanitybit/msgpack_script already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/insanitybit/msgpack_script/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr] error: failed to select a version for the requirement `spmc = "0.2.*"`
[INFO] [stderr]   candidate versions found which didn't match: 0.3.0
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `msgpack_script v0.1.0 (/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/insanitybit/msgpack_script)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate insanitybit/msgpack_script depends on yanked crates
[ERROR]