[INFO] updating cached repository carllerche/experiment-vendor-tower
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carllerche/experiment-vendor-tower
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carllerche/experiment-vendor-tower" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/carllerche/experiment-vendor-tower"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/carllerche/experiment-vendor-tower'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carllerche/experiment-vendor-tower" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/carllerche/experiment-vendor-tower"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/carllerche/experiment-vendor-tower'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99909d295348fe9b1d2bbd4edb3c7928b6b703da
[INFO] sha for GitHub repo carllerche/experiment-vendor-tower: 99909d295348fe9b1d2bbd4edb3c7928b6b703da
[INFO] validating manifest of carllerche/experiment-vendor-tower on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carllerche/experiment-vendor-tower on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carllerche/experiment-vendor-tower
[INFO] removed path dependency tower from carllerche/experiment-vendor-tower
[INFO] removed path dependency tower-grpc from carllerche/experiment-vendor-tower
[INFO] removed path dependency tower-h2 from carllerche/experiment-vendor-tower
[INFO] finished frobbing carllerche/experiment-vendor-tower
[INFO] frobbed toml for carllerche/experiment-vendor-tower written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/carllerche/experiment-vendor-tower/Cargo.toml
[INFO] started frobbing carllerche/experiment-vendor-tower
[INFO] removed path dependency tower from carllerche/experiment-vendor-tower
[INFO] removed path dependency tower-grpc from carllerche/experiment-vendor-tower
[INFO] removed path dependency tower-h2 from carllerche/experiment-vendor-tower
[INFO] finished frobbing carllerche/experiment-vendor-tower
[INFO] frobbed toml for carllerche/experiment-vendor-tower written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/carllerche/experiment-vendor-tower/Cargo.toml
[INFO] crate carllerche/experiment-vendor-tower already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: failed to resolve patches for `https://github.com/tower-rs/tower`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for a dependency on `tower`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update /mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/carllerche/experiment-vendor-tower/tower
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to read `/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/carllerche/experiment-vendor-tower/tower/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed