[INFO] updating cached repository Emerentius/bigint_gcd_bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Emerentius/bigint_gcd_bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/bigint_gcd_bench" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Emerentius/bigint_gcd_bench"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Emerentius/bigint_gcd_bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/bigint_gcd_bench" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Emerentius/bigint_gcd_bench"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Emerentius/bigint_gcd_bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 950e44951e583e4fc48ce0c9031afa8fcdb761f8
[INFO] sha for GitHub repo Emerentius/bigint_gcd_bench: 950e44951e583e4fc48ce0c9031afa8fcdb761f8
[INFO] validating manifest of Emerentius/bigint_gcd_bench 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 Emerentius/bigint_gcd_bench 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 Emerentius/bigint_gcd_bench
[INFO] removed workspace from Emerentius/bigint_gcd_bench
[INFO] removed path dependency mod-num-bigint from Emerentius/bigint_gcd_bench
[INFO] removed path dependency num-bigint from Emerentius/bigint_gcd_bench
[INFO] finished frobbing Emerentius/bigint_gcd_bench
[INFO] frobbed toml for Emerentius/bigint_gcd_bench written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Emerentius/bigint_gcd_bench/Cargo.toml
[INFO] started frobbing Emerentius/bigint_gcd_bench
[INFO] removed workspace from Emerentius/bigint_gcd_bench
[INFO] removed path dependency mod-num-bigint from Emerentius/bigint_gcd_bench
[INFO] removed path dependency num-bigint from Emerentius/bigint_gcd_bench
[INFO] finished frobbing Emerentius/bigint_gcd_bench
[INFO] frobbed toml for Emerentius/bigint_gcd_bench written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Emerentius/bigint_gcd_bench/Cargo.toml
[INFO] crate Emerentius/bigint_gcd_bench 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: no matching package named `mod-num-bigint` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `bigint_gcd_bench v0.1.0 (/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Emerentius/bigint_gcd_bench)`
[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