[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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cmr/gfx-rs-deadlock-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cmr/gfx-rs-deadlock-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cmr/gfx-rs-deadlock-example on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed