[INFO] updating cached repository jffjs/cavers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jffjs/cavers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jffjs/cavers" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jffjs/cavers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jffjs/cavers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jffjs/cavers" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jffjs/cavers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jffjs/cavers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e5600cb9d86618f2497f3cc01b32e71be3b5f2ce
[INFO] sha for GitHub repo jffjs/cavers: e5600cb9d86618f2497f3cc01b32e71be3b5f2ce
[INFO] validating manifest of jffjs/cavers 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 jffjs/cavers 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 jffjs/cavers
[INFO] finished frobbing jffjs/cavers
[INFO] frobbed toml for jffjs/cavers written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jffjs/cavers/Cargo.toml
[INFO] started frobbing jffjs/cavers
[INFO] finished frobbing jffjs/cavers
[INFO] frobbed toml for jffjs/cavers written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jffjs/cavers/Cargo.toml
[INFO] crate jffjs/cavers 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] error: no matching package named `tcod-sys` found
[INFO] [stderr] location searched: https://github.com/tomassedovic/tcod-rs.git#d75314c0
[INFO] [stderr] required by package `tcod v0.4.4 (https://github.com/tomassedovic/tcod-rs.git#d75314c0)`
[INFO] [stderr]     ... which is depended on by `cavers v0.0.1 (/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jffjs/cavers)`
[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