[INFO] updating cached repository jetspydragon/rust_tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jetspydragon/rust_tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jetspydragon/rust_tetris" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/jetspydragon/rust_tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/jetspydragon/rust_tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jetspydragon/rust_tetris" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/jetspydragon/rust_tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/jetspydragon/rust_tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eed3f9b9b1d0d3a2a4366516b5763eea87fb91c2
[INFO] sha for GitHub repo jetspydragon/rust_tetris: eed3f9b9b1d0d3a2a4366516b5763eea87fb91c2
[INFO] validating manifest of jetspydragon/rust_tetris on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jetspydragon/rust_tetris on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jetspydragon/rust_tetris
[INFO] finished frobbing jetspydragon/rust_tetris
[INFO] frobbed toml for jetspydragon/rust_tetris written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/jetspydragon/rust_tetris/Cargo.toml
[INFO] started frobbing jetspydragon/rust_tetris
[INFO] finished frobbing jetspydragon/rust_tetris
[INFO] frobbed toml for jetspydragon/rust_tetris written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/jetspydragon/rust_tetris/Cargo.toml
[INFO] crate jetspydragon/rust_tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jetspydragon/rust_tetris against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/jetspydragon/rust_tetris:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5ede88a7ef61c41392799e3b294e5d93f445b885fd3dc9f784047f7eb73d9869
[INFO] running `"docker" "start" "-a" "5ede88a7ef61c41392799e3b294e5d93f445b885fd3dc9f784047f7eb73d9869"`
[INFO] [stderr]    Compiling rust_sdl2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Canvas`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Canvas`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "5ede88a7ef61c41392799e3b294e5d93f445b885fd3dc9f784047f7eb73d9869"`
[INFO] running `"docker" "rm" "-f" "5ede88a7ef61c41392799e3b294e5d93f445b885fd3dc9f784047f7eb73d9869"`
[INFO] [stdout] 5ede88a7ef61c41392799e3b294e5d93f445b885fd3dc9f784047f7eb73d9869