Dec 11 11:12:59.834 INFO checking rehan-jaffer/conway-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:12:59.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 11:13:00.268 INFO [stdout] 512954d3f092b38e55432ac9b59c7fcdf9b70d2e38bf6b30d560b46a4d116b2e
Dec 11 11:13:00.269 INFO running `"docker" "start" "-a" "512954d3f092b38e55432ac9b59c7fcdf9b70d2e38bf6b30d560b46a4d116b2e"`
Dec 11 11:13:01.522 INFO [stderr] usermod: no changes
Dec 11 11:13:01.568 INFO [stderr] warning: dependency (rand) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Dec 11 11:13:01.586 INFO [stderr]     Checking conway v0.1.0 (/source)
Dec 11 11:13:01.864 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 11:13:01.864 INFO [stderr]   --> src/main.rs:57:20
Dec 11 11:13:01.864 INFO [stderr]    |
Dec 11 11:13:01.864 INFO [stderr] 57 |                 if (score > 3 || score < 2) {
Dec 11 11:13:01.864 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 11:13:01.864 INFO [stderr]    |
Dec 11 11:13:01.864 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 11:13:01.864 INFO [stderr] 
Dec 11 11:13:01.864 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 11:13:01.864 INFO [stderr]   --> src/main.rs:63:20
Dec 11 11:13:01.864 INFO [stderr]    |
Dec 11 11:13:01.864 INFO [stderr] 63 |                 if (score == 3) {
Dec 11 11:13:01.864 INFO [stderr]    |                    ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 11:13:01.864 INFO [stderr] 
Dec 11 11:13:01.916 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 11:13:01.916 INFO [stderr]   --> src/main.rs:57:20
Dec 11 11:13:01.916 INFO [stderr]    |
Dec 11 11:13:01.916 INFO [stderr] 57 |                 if (score > 3 || score < 2) {
Dec 11 11:13:01.916 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 11:13:01.916 INFO [stderr]    |
Dec 11 11:13:01.916 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 11:13:01.916 INFO [stderr] 
Dec 11 11:13:01.916 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 11:13:01.916 INFO [stderr]   --> src/main.rs:63:20
Dec 11 11:13:01.916 INFO [stderr]    |
Dec 11 11:13:01.916 INFO [stderr] 63 |                 if (score == 3) {
Dec 11 11:13:01.916 INFO [stderr]    |                    ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 11:13:01.916 INFO [stderr] 
Dec 11 11:13:01.920 INFO [stderr] warning: value assigned to `x1` is never read
Dec 11 11:13:01.920 INFO [stderr]  --> src/main.rs:8:13
Dec 11 11:13:01.920 INFO [stderr]   |
Dec 11 11:13:01.920 INFO [stderr] 8 |     let mut x1: i32 = 0;
Dec 11 11:13:01.920 INFO [stderr]   |             ^^
Dec 11 11:13:01.920 INFO [stderr]   |
Dec 11 11:13:01.920 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 11 11:13:01.920 INFO [stderr] 
Dec 11 11:13:01.920 INFO [stderr] warning: value assigned to `y1` is never read
Dec 11 11:13:01.920 INFO [stderr]  --> src/main.rs:9:13
Dec 11 11:13:01.920 INFO [stderr]   |
Dec 11 11:13:01.920 INFO [stderr] 9 |     let mut y1: i32 = 0;
Dec 11 11:13:01.920 INFO [stderr]   |             ^^
Dec 11 11:13:01.920 INFO [stderr] 
Dec 11 11:13:01.920 INFO [stderr] warning: unused variable: `i`
Dec 11 11:13:01.920 INFO [stderr]   --> src/main.rs:27:9
Dec 11 11:13:01.920 INFO [stderr]    |
Dec 11 11:13:01.920 INFO [stderr] 27 |     for i in 0..GRID_SIZE {
Dec 11 11:13:01.920 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 11 11:13:01.920 INFO [stderr]    |
Dec 11 11:13:01.920 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:13:01.920 INFO [stderr] 
Dec 11 11:13:01.968 INFO [stderr] warning: value assigned to `x1` is never read
Dec 11 11:13:01.968 INFO [stderr]  --> src/main.rs:8:13
Dec 11 11:13:01.968 INFO [stderr]   |
Dec 11 11:13:01.968 INFO [stderr] 8 |     let mut x1: i32 = 0;
Dec 11 11:13:01.968 INFO [stderr]   |             ^^
Dec 11 11:13:01.968 INFO [stderr]   |
Dec 11 11:13:01.968 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 11 11:13:01.968 INFO [stderr] 
Dec 11 11:13:01.968 INFO [stderr] warning: value assigned to `y1` is never read
Dec 11 11:13:01.968 INFO [stderr]  --> src/main.rs:9:13
Dec 11 11:13:01.968 INFO [stderr]   |
Dec 11 11:13:01.968 INFO [stderr] 9 |     let mut y1: i32 = 0;
Dec 11 11:13:01.968 INFO [stderr]   |             ^^
Dec 11 11:13:01.968 INFO [stderr] 
Dec 11 11:13:01.968 INFO [stderr] warning: unused variable: `i`
Dec 11 11:13:01.968 INFO [stderr]   --> src/main.rs:27:9
Dec 11 11:13:01.968 INFO [stderr]    |
Dec 11 11:13:01.968 INFO [stderr] 27 |     for i in 0..GRID_SIZE {
Dec 11 11:13:01.968 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 11 11:13:01.968 INFO [stderr]    |
Dec 11 11:13:01.968 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:13:01.968 INFO [stderr] 
Dec 11 11:13:02.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 11 11:13:02.052 INFO [stderr] su: No module specific data is present
Dec 11 11:13:02.672 INFO running `"docker" "inspect" "512954d3f092b38e55432ac9b59c7fcdf9b70d2e38bf6b30d560b46a4d116b2e"`
Dec 11 11:13:03.010 INFO running `"docker" "rm" "-f" "512954d3f092b38e55432ac9b59c7fcdf9b70d2e38bf6b30d560b46a4d116b2e"`
Dec 11 11:13:03.272 INFO [stdout] 512954d3f092b38e55432ac9b59c7fcdf9b70d2e38bf6b30d560b46a4d116b2e