[INFO] cloning repository abhinavmuta/rsmario
[INFO] running `"git" "clone" "--bare" "git://github.com/abhinavmuta/rsmario.git" "work/cache/sources/gh/abhinavmuta/rsmario"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/abhinavmuta/rsmario'...
[INFO] running `"git" "clone" "work/cache/sources/gh/abhinavmuta/rsmario" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/abhinavmuta/rsmario"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/abhinavmuta/rsmario'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abhinavmuta/rsmario" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/abhinavmuta/rsmario"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/abhinavmuta/rsmario'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0a5c956ff9e1487c848a70f82bcb69bc53f9454
[INFO] sha for GitHub repo abhinavmuta/rsmario: a0a5c956ff9e1487c848a70f82bcb69bc53f9454
[INFO] validating manifest of abhinavmuta/rsmario 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 abhinavmuta/rsmario 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 abhinavmuta/rsmario
[INFO] finished frobbing abhinavmuta/rsmario
[INFO] frobbed toml for abhinavmuta/rsmario written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/abhinavmuta/rsmario/Cargo.toml
[INFO] started frobbing abhinavmuta/rsmario
[INFO] finished frobbing abhinavmuta/rsmario
[INFO] frobbed toml for abhinavmuta/rsmario written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/abhinavmuta/rsmario/Cargo.toml
[INFO] crate abhinavmuta/rsmario 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking abhinavmuta/rsmario against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/abhinavmuta/rsmario:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 46fe6c5369f32150314917149c51bbf141166d447d293a96536851dbae76fff6
[INFO] running `"docker" "start" "-a" "46fe6c5369f32150314917149c51bbf141166d447d293a96536851dbae76fff6"`
[INFO] [stderr]     Checking piston-gfx_texture v0.29.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.46.0
[INFO] [stderr]     Checking piston_window v0.73.0
[INFO] [stderr]     Checking rsmario v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `gl`
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut gl = GlGraphics::new(opengl);
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_gl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut gl = GlGraphics::new(opengl);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gl`
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut gl = GlGraphics::new(opengl);
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_gl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut gl = GlGraphics::new(opengl);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `"docker" "inspect" "46fe6c5369f32150314917149c51bbf141166d447d293a96536851dbae76fff6"`
[INFO] running `"docker" "rm" "-f" "46fe6c5369f32150314917149c51bbf141166d447d293a96536851dbae76fff6"`
[INFO] [stdout] 46fe6c5369f32150314917149c51bbf141166d447d293a96536851dbae76fff6