[INFO] updating cached repository cmr/gfx-rs-deadlock-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cmr/gfx-rs-deadlock-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cmr/gfx-rs-deadlock-example" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cmr/gfx-rs-deadlock-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cmr/gfx-rs-deadlock-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cmr/gfx-rs-deadlock-example" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cmr/gfx-rs-deadlock-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cmr/gfx-rs-deadlock-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d0970afadab92632327bb8a8b9dd2d91cc195df
[INFO] sha for GitHub repo cmr/gfx-rs-deadlock-example: 0d0970afadab92632327bb8a8b9dd2d91cc195df
[INFO] validating manifest of cmr/gfx-rs-deadlock-example 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 cmr/gfx-rs-deadlock-example 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 cmr/gfx-rs-deadlock-example
[INFO] finished frobbing cmr/gfx-rs-deadlock-example
[INFO] frobbed toml for cmr/gfx-rs-deadlock-example written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cmr/gfx-rs-deadlock-example/Cargo.toml
[INFO] started frobbing cmr/gfx-rs-deadlock-example
[INFO] finished frobbing cmr/gfx-rs-deadlock-example
[INFO] frobbed toml for cmr/gfx-rs-deadlock-example written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cmr/gfx-rs-deadlock-example/Cargo.toml
[INFO] crate cmr/gfx-rs-deadlock-example 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: failed to load source for a dependency on `glfw`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update http://github.com/bjz/glfw-rs#df29ebf1
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/mnt/big/crater/work/local/cargo-home/git/checkouts/glfw-rs-9212cdc098378853/df29ebf/src/link_glfw/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   invalid type: map, expected a string for key `lib`
[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