[INFO] updating cached repository derekdreery/gfx-info
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derekdreery/gfx-info
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/gfx-info" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/derekdreery/gfx-info"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/derekdreery/gfx-info'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/gfx-info" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/derekdreery/gfx-info"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/derekdreery/gfx-info'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15823624949bf49814517c59dda0d38ebb0f73a3
[INFO] sha for GitHub repo derekdreery/gfx-info: 15823624949bf49814517c59dda0d38ebb0f73a3
[INFO] validating manifest of derekdreery/gfx-info on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derekdreery/gfx-info on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing derekdreery/gfx-info
[INFO] removed path dependency gfx-backend-vulkan from derekdreery/gfx-info
[INFO] removed path dependency gfx-hal from derekdreery/gfx-info
[INFO] finished frobbing derekdreery/gfx-info
[INFO] frobbed toml for derekdreery/gfx-info written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/derekdreery/gfx-info/Cargo.toml
[INFO] started frobbing derekdreery/gfx-info
[INFO] removed path dependency gfx-backend-vulkan from derekdreery/gfx-info
[INFO] removed path dependency gfx-hal from derekdreery/gfx-info
[INFO] finished frobbing derekdreery/gfx-info
[INFO] frobbed toml for derekdreery/gfx-info written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/derekdreery/gfx-info/Cargo.toml
[INFO] crate derekdreery/gfx-info has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `gfx-backend-vulkan` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `gfx-info v0.1.0 (/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/derekdreery/gfx-info)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed