[INFO] cloning repository brycecovert/rust-opengl-tutorial
[INFO] running `"git" "clone" "--bare" "git://github.com/brycecovert/rust-opengl-tutorial.git" "work/cache/sources/gh/brycecovert/rust-opengl-tutorial"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/brycecovert/rust-opengl-tutorial'...
[INFO] running `"git" "clone" "work/cache/sources/gh/brycecovert/rust-opengl-tutorial" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brycecovert/rust-opengl-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brycecovert/rust-opengl-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brycecovert/rust-opengl-tutorial" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brycecovert/rust-opengl-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brycecovert/rust-opengl-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0af286b428d497c2f30687e44a853a665eab273
[INFO] sha for GitHub repo brycecovert/rust-opengl-tutorial: b0af286b428d497c2f30687e44a853a665eab273
[INFO] validating manifest of brycecovert/rust-opengl-tutorial on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brycecovert/rust-opengl-tutorial on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brycecovert/rust-opengl-tutorial
[INFO] removed path dependency gl from brycecovert/rust-opengl-tutorial
[INFO] finished frobbing brycecovert/rust-opengl-tutorial
[INFO] frobbed toml for brycecovert/rust-opengl-tutorial written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brycecovert/rust-opengl-tutorial/Cargo.toml
[INFO] started frobbing brycecovert/rust-opengl-tutorial
[INFO] removed path dependency gl from brycecovert/rust-opengl-tutorial
[INFO] finished frobbing brycecovert/rust-opengl-tutorial
[INFO] frobbed toml for brycecovert/rust-opengl-tutorial written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brycecovert/rust-opengl-tutorial/Cargo.toml
[INFO] crate brycecovert/rust-opengl-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-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 `rust-game v0.1.0 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brycecovert/rust-opengl-tutorial)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.13.0, 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 `rust-game` 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/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed