[INFO] updating cached repository https://github.com/DonoA/RustAutoSnake
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14c7b9cf87a61e69209b485b15d8d6a219cd3f87
[INFO] checking DonoA/RustAutoSnake against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDonoA%2FRustAutoSnake" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DonoA/RustAutoSnake on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DonoA/RustAutoSnake
[INFO] finished tweaking git repo https://github.com/DonoA/RustAutoSnake
[INFO] tweaked toml for git repo https://github.com/DonoA/RustAutoSnake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DonoA/RustAutoSnake already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 75a17ce25516c75d4e2abfaf7e32a17878679f92f55b743512fa9126f4903ef8
[INFO] running `"docker" "start" "-a" "75a17ce25516c75d4e2abfaf7e32a17878679f92f55b743512fa9126f4903ef8"`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             thread::sleep_ms(1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pl`
[INFO] [stderr]   --> src/main.rs:34:36
[INFO] [stderr]    |
[INFO] [stderr] 34 |     std::panic::set_hook(Box::new(|pl| {
[INFO] [stderr]    |                                    ^^ help: consider prefixing with an underscore: `_pl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             thread::sleep_ms(1);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw_astar`
[INFO] [stderr]    --> src/game.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn draw_astar(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_prim_graph`
[INFO] [stderr]   --> src/hamiltonian_matrix.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn print_prim_graph(graph: &Matrix<PrimTreeNode>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset`
[INFO] [stderr]   --> src/matrix.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn unset<V: num::ToPrimitive>(&mut self, x: V, y: V) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset_pt`
[INFO] [stderr]   --> src/matrix.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn unset_pt(&mut self, pt: &Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut_pt`
[INFO] [stderr]    --> src/matrix.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn get_mut_pt(&mut self, pt: &Point) -> Option<&mut T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_matrix`
[INFO] [stderr]    --> src/matrix.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn print_matrix(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pl`
[INFO] [stderr]   --> src/main.rs:34:36
[INFO] [stderr]    |
[INFO] [stderr] 34 |     std::panic::set_hook(Box::new(|pl| {
[INFO] [stderr]    |                                    ^^ help: consider prefixing with an underscore: `_pl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw_astar`
[INFO] [stderr]    --> src/game.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn draw_astar(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_prim_graph`
[INFO] [stderr]   --> src/hamiltonian_matrix.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn print_prim_graph(graph: &Matrix<PrimTreeNode>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset`
[INFO] [stderr]   --> src/matrix.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn unset<V: num::ToPrimitive>(&mut self, x: V, y: V) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset_pt`
[INFO] [stderr]   --> src/matrix.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn unset_pt(&mut self, pt: &Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut_pt`
[INFO] [stderr]    --> src/matrix.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn get_mut_pt(&mut self, pt: &Point) -> Option<&mut T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_matrix`
[INFO] [stderr]    --> src/matrix.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn print_matrix(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `"docker" "inspect" "75a17ce25516c75d4e2abfaf7e32a17878679f92f55b743512fa9126f4903ef8"`
[INFO] running `"docker" "rm" "-f" "75a17ce25516c75d4e2abfaf7e32a17878679f92f55b743512fa9126f4903ef8"`
[INFO] [stdout] 75a17ce25516c75d4e2abfaf7e32a17878679f92f55b743512fa9126f4903ef8