[INFO] updating cached repository adzy2k6/rust-boy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adzy2k6/rust-boy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adzy2k6/rust-boy" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/adzy2k6/rust-boy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/adzy2k6/rust-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adzy2k6/rust-boy" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/adzy2k6/rust-boy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/adzy2k6/rust-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c8baa0de6d2e5115e04d813823888b4b28b263a
[INFO] sha for GitHub repo adzy2k6/rust-boy: 4c8baa0de6d2e5115e04d813823888b4b28b263a
[INFO] validating manifest of adzy2k6/rust-boy on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adzy2k6/rust-boy on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adzy2k6/rust-boy
[INFO] finished frobbing adzy2k6/rust-boy
[INFO] frobbed toml for adzy2k6/rust-boy written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/adzy2k6/rust-boy/Cargo.toml
[INFO] started frobbing adzy2k6/rust-boy
[INFO] finished frobbing adzy2k6/rust-boy
[INFO] frobbed toml for adzy2k6/rust-boy written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/adzy2k6/rust-boy/Cargo.toml
[INFO] crate adzy2k6/rust-boy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking adzy2k6/rust-boy against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/adzy2k6/rust-boy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9490eb0ad5479a23f7ec4657a342a9928bb17e73e7bb124936052b5f99a6f31
[INFO] running `"docker" "start" "-a" "c9490eb0ad5479a23f7ec4657a342a9928bb17e73e7bb124936052b5f99a6f31"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking sdl2 v0.28.0
[INFO] [stderr]     Checking rust_boy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let window = window_builder.build().unwrap();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let window = window_builder.build().unwrap();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `"docker" "inspect" "c9490eb0ad5479a23f7ec4657a342a9928bb17e73e7bb124936052b5f99a6f31"`
[INFO] running `"docker" "rm" "-f" "c9490eb0ad5479a23f7ec4657a342a9928bb17e73e7bb124936052b5f99a6f31"`
[INFO] [stdout] c9490eb0ad5479a23f7ec4657a342a9928bb17e73e7bb124936052b5f99a6f31