[INFO] updating cached repository charliesome/giftopia2038
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/charliesome/giftopia2038
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/charliesome/giftopia2038" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/charliesome/giftopia2038"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/charliesome/giftopia2038'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/charliesome/giftopia2038" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/charliesome/giftopia2038"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/charliesome/giftopia2038'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6896787a46456715cf92f68af28fd61bfa7dc538
[INFO] sha for GitHub repo charliesome/giftopia2038: 6896787a46456715cf92f68af28fd61bfa7dc538
[INFO] validating manifest of charliesome/giftopia2038 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of charliesome/giftopia2038 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing charliesome/giftopia2038
[INFO] finished frobbing charliesome/giftopia2038
[INFO] frobbed toml for charliesome/giftopia2038 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/charliesome/giftopia2038/Cargo.toml
[INFO] started frobbing charliesome/giftopia2038
[INFO] finished frobbing charliesome/giftopia2038
[INFO] frobbed toml for charliesome/giftopia2038 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/charliesome/giftopia2038/Cargo.toml
[INFO] crate charliesome/giftopia2038 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking charliesome/giftopia2038 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/charliesome/giftopia2038:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 022beb12fa603e2340158f706e0245a96b9090be86d869d280cf4e1128eab99b
[INFO] running `"docker" "start" "-a" "022beb12fa603e2340158f706e0245a96b9090be86d869d280cf4e1128eab99b"`
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking giftopia2038 v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let timer = sdl.timer().unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_timer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer_size`
[INFO] [stderr]   --> src/animation.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let buffer_size = gif.buffer_size();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_buffer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let timer = sdl.timer().unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_timer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer_size`
[INFO] [stderr]   --> src/animation.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let buffer_size = gif.buffer_size();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_buffer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         canvas.copy(tex, anim.rect, center);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |                         canvas.copy(tex_flip, anim.rect, { let mut r = center.clone(); let x = r.x() - center.width() as i32; r.set_x(x); r });
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                         canvas.copy(tex_flip, anim.rect, { let mut r = center.clone(); let x = r.x() + center.width() as i32; r.set_x(x); r });
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         canvas.copy(tex, anim.rect, center);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |                         canvas.copy(tex_flip, anim.rect, { let mut r = center.clone(); let x = r.x() - center.width() as i32; r.set_x(x); r });
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                         canvas.copy(tex_flip, anim.rect, { let mut r = center.clone(); let x = r.x() + center.width() as i32; r.set_x(x); r });
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "022beb12fa603e2340158f706e0245a96b9090be86d869d280cf4e1128eab99b"`
[INFO] running `"docker" "rm" "-f" "022beb12fa603e2340158f706e0245a96b9090be86d869d280cf4e1128eab99b"`
[INFO] [stdout] 022beb12fa603e2340158f706e0245a96b9090be86d869d280cf4e1128eab99b