[INFO] cloning repository https://github.com/JuanPotato/Sandpile
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanPotato/Sandpile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19a6c3c6203e9a11b78f710ef2d0e81006784435
[INFO] checking JuanPotato/Sandpile against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanPotato/Sandpile on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JuanPotato/Sandpile
[INFO] finished tweaking git repo https://github.com/JuanPotato/Sandpile
[INFO] tweaked toml for git repo https://github.com/JuanPotato/Sandpile written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanPotato/Sandpile already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0035ba015ea3eced9ab6bd0715d093abde41ca02f53da24dbb7fd82e0319111
[INFO] running `"docker" "start" "-a" "c0035ba015ea3eced9ab6bd0715d093abde41ca02f53da24dbb7fd82e0319111"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632)
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.29.0 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632)
[INFO] [stderr]     Checking sandpiles v0.1.0 (/opt/rustwide/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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "c0035ba015ea3eced9ab6bd0715d093abde41ca02f53da24dbb7fd82e0319111"`
[INFO] running `"docker" "rm" "-f" "c0035ba015ea3eced9ab6bd0715d093abde41ca02f53da24dbb7fd82e0319111"`
[INFO] [stdout] c0035ba015ea3eced9ab6bd0715d093abde41ca02f53da24dbb7fd82e0319111