[INFO] updating cached repository kennytm/distributed-lock-sample [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kennytm/distributed-lock-sample [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kennytm/distributed-lock-sample" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kennytm/distributed-lock-sample"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kennytm/distributed-lock-sample'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kennytm/distributed-lock-sample" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kennytm/distributed-lock-sample"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kennytm/distributed-lock-sample'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5277c3357c914c4b8901b5f1d1e2bb9de1b65328 [INFO] sha for GitHub repo kennytm/distributed-lock-sample: 5277c3357c914c4b8901b5f1d1e2bb9de1b65328 [INFO] validating manifest of kennytm/distributed-lock-sample on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kennytm/distributed-lock-sample on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kennytm/distributed-lock-sample [INFO] finished frobbing kennytm/distributed-lock-sample [INFO] frobbed toml for kennytm/distributed-lock-sample written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kennytm/distributed-lock-sample/Cargo.toml [INFO] started frobbing kennytm/distributed-lock-sample [INFO] finished frobbing kennytm/distributed-lock-sample [INFO] frobbed toml for kennytm/distributed-lock-sample written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kennytm/distributed-lock-sample/Cargo.toml [INFO] crate kennytm/distributed-lock-sample already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/kennytm/etcd-rs.git` [INFO] [stderr] error: failed to load source for a dependency on `etcd-rs` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Unable to update https://github.com/kennytm/etcd-rs.git?branch=lock-api#984302de [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] revspec '984302dedc29954fa0e7c203434db47829762f09' not found; class=Reference (4); code=NotFound (-3) [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed