[INFO] updating cached repository JuanPotato/Sandpile
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JuanPotato/Sandpile
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JuanPotato/Sandpile" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/JuanPotato/Sandpile"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/JuanPotato/Sandpile'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JuanPotato/Sandpile" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/JuanPotato/Sandpile"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/JuanPotato/Sandpile'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19a6c3c6203e9a11b78f710ef2d0e81006784435
[INFO] sha for GitHub repo JuanPotato/Sandpile: 19a6c3c6203e9a11b78f710ef2d0e81006784435
[INFO] validating manifest of JuanPotato/Sandpile on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JuanPotato/Sandpile on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JuanPotato/Sandpile
[INFO] finished frobbing JuanPotato/Sandpile
[INFO] frobbed toml for JuanPotato/Sandpile written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/JuanPotato/Sandpile/Cargo.toml
[INFO] started frobbing JuanPotato/Sandpile
[INFO] finished frobbing JuanPotato/Sandpile
[INFO] frobbed toml for JuanPotato/Sandpile written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/JuanPotato/Sandpile/Cargo.toml
[INFO] crate JuanPotato/Sandpile already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JuanPotato/Sandpile against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/JuanPotato/Sandpile:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62172bda2c790bbd25293fd24d3b26fe449f3f27801b39091825013e76ccd9aa
[INFO] running `"docker" "start" "-a" "62172bda2c790bbd25293fd24d3b26fe449f3f27801b39091825013e76ccd9aa"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632)
[INFO] [stderr]     Checking sdl2 v0.29.0 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632)
[INFO] [stderr]     Checking sandpiles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `sdl2::rect::Rect`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::rect::Rect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let w = (WIDTH as f64 / sqrt as f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::rect::Rect`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::rect::Rect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let w = (WIDTH as f64 / sqrt as f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_square`
[INFO] [stderr]    --> src/main.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn print_square(arr: &[u32]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:229:13
[INFO] [stderr]     |
[INFO] [stderr] 229 |             rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into()));
[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: function is never used: `print_square`
[INFO] [stderr]    --> src/main.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn print_square(arr: &[u32]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:229:13
[INFO] [stderr]     |
[INFO] [stderr] 229 |             rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into()));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `"docker" "inspect" "62172bda2c790bbd25293fd24d3b26fe449f3f27801b39091825013e76ccd9aa"`
[INFO] running `"docker" "rm" "-f" "62172bda2c790bbd25293fd24d3b26fe449f3f27801b39091825013e76ccd9aa"`
[INFO] [stdout] 62172bda2c790bbd25293fd24d3b26fe449f3f27801b39091825013e76ccd9aa