[INFO] cloning repository bluecereal/piston-texture-example
[INFO] running `"git" "clone" "--bare" "git://github.com/bluecereal/piston-texture-example.git" "work/cache/sources/gh/bluecereal/piston-texture-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bluecereal/piston-texture-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/piston-texture-example" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bluecereal/piston-texture-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bluecereal/piston-texture-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/piston-texture-example" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bluecereal/piston-texture-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bluecereal/piston-texture-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8a59d0a04aaf1780f72467e9bdbfa9ea9c2b7e5
[INFO] sha for GitHub repo bluecereal/piston-texture-example: b8a59d0a04aaf1780f72467e9bdbfa9ea9c2b7e5
[INFO] validating manifest of bluecereal/piston-texture-example on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bluecereal/piston-texture-example on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bluecereal/piston-texture-example
[INFO] finished frobbing bluecereal/piston-texture-example
[INFO] frobbed toml for bluecereal/piston-texture-example written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bluecereal/piston-texture-example/Cargo.toml
[INFO] started frobbing bluecereal/piston-texture-example
[INFO] finished frobbing bluecereal/piston-texture-example
[INFO] frobbed toml for bluecereal/piston-texture-example written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/bluecereal/piston-texture-example/Cargo.toml
[INFO] crate bluecereal/piston-texture-example has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/bluecereal/piston-texture-example/Cargo.lock needs to be updated but --locked was passed to prevent this
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed