[INFO] updating cached repository mordof/rust_opengl_experiment
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mordof/rust_opengl_experiment
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mordof/rust_opengl_experiment" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mordof/rust_opengl_experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mordof/rust_opengl_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mordof/rust_opengl_experiment" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mordof/rust_opengl_experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mordof/rust_opengl_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c871140b4355606efa465cfe31301cbd3e7f3ca
[INFO] sha for GitHub repo mordof/rust_opengl_experiment: 7c871140b4355606efa465cfe31301cbd3e7f3ca
[INFO] validating manifest of mordof/rust_opengl_experiment on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mordof/rust_opengl_experiment on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mordof/rust_opengl_experiment
[INFO] removed path dependency gl from mordof/rust_opengl_experiment
[INFO] finished frobbing mordof/rust_opengl_experiment
[INFO] frobbed toml for mordof/rust_opengl_experiment written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mordof/rust_opengl_experiment/Cargo.toml
[INFO] started frobbing mordof/rust_opengl_experiment
[INFO] removed path dependency gl from mordof/rust_opengl_experiment
[INFO] finished frobbing mordof/rust_opengl_experiment
[INFO] frobbed toml for mordof/rust_opengl_experiment written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mordof/rust_opengl_experiment/Cargo.toml
[INFO] crate mordof/rust_opengl_experiment already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `gl`.
[INFO] [stderr]     ... required by package `test-project v0.1.0 (/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mordof/rust_opengl_experiment)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.12.0, 0.11.0, 0.10.0, 0.9.0, 0.7.0, 0.6.5, 0.6.3, 0.6.2, 0.6.1, 0.6.0, 0.5.2, 0.5.1, 0.5.0, 0.4.0, 0.3.0, 0.1.0, 0.0.12, 0.0.11, 0.0.10, 0.0.9, 0.0.8, 0.0.7, 0.0.6, 0.0.5, 0.0.4, 0.0.3, 0.0.2, 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `test-project` depends on `gl`, with features: `debug` but `gl` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `gl` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed