[INFO] updating cached repository 0x8b/Advent-of-Code-2015
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/0x8b/Advent-of-Code-2015
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/0x8b/Advent-of-Code-2015" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/0x8b/Advent-of-Code-2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/0x8b/Advent-of-Code-2015'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/0x8b/Advent-of-Code-2015" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/0x8b/Advent-of-Code-2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/0x8b/Advent-of-Code-2015'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a3c9cb0fb7e1628d88bacd080b27a07febaa97d
[INFO] sha for GitHub repo 0x8b/Advent-of-Code-2015: 0a3c9cb0fb7e1628d88bacd080b27a07febaa97d
[INFO] validating manifest of 0x8b/Advent-of-Code-2015 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to build-fail:broken
[ERROR] caused by: missing Cargo.toml for 0x8b/Advent-of-Code-2015
[ERROR]