[INFO] updating cached repository JeffLabonte/Internet_Of_Coins
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JeffLabonte/Internet_Of_Coins
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JeffLabonte/Internet_Of_Coins" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/JeffLabonte/Internet_Of_Coins"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/JeffLabonte/Internet_Of_Coins'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JeffLabonte/Internet_Of_Coins" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/JeffLabonte/Internet_Of_Coins"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/JeffLabonte/Internet_Of_Coins'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c349d54a48f8ea8b637b6b8804c9e502435f0784
[INFO] sha for GitHub repo JeffLabonte/Internet_Of_Coins: c349d54a48f8ea8b637b6b8804c9e502435f0784
[INFO] validating manifest of JeffLabonte/Internet_Of_Coins on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JeffLabonte/Internet_Of_Coins on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JeffLabonte/Internet_Of_Coins
[INFO] removed workspace from JeffLabonte/Internet_Of_Coins
[INFO] removed path dependency blockchain from JeffLabonte/Internet_Of_Coins
[INFO] finished frobbing JeffLabonte/Internet_Of_Coins
[INFO] frobbed toml for JeffLabonte/Internet_Of_Coins written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/JeffLabonte/Internet_Of_Coins/Cargo.toml
[INFO] started frobbing JeffLabonte/Internet_Of_Coins
[INFO] removed workspace from JeffLabonte/Internet_Of_Coins
[INFO] removed path dependency blockchain from JeffLabonte/Internet_Of_Coins
[INFO] finished frobbing JeffLabonte/Internet_Of_Coins
[INFO] frobbed toml for JeffLabonte/Internet_Of_Coins written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/JeffLabonte/Internet_Of_Coins/Cargo.toml
[INFO] crate JeffLabonte/Internet_Of_Coins has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-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-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/JeffLabonte/Internet_Of_Coins/Cargo.lock needs to be updated but --locked was passed to prevent this
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed