[INFO] cloning repository https://github.com/Kollode/game-of-life-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kollode/game-of-life-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKollode%2Fgame-of-life-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKollode%2Fgame-of-life-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a2c258822bc040ede3de9986f4bd87a3bb662b6
[INFO] checking Kollode/game-of-life-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKollode%2Fgame-of-life-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kollode/game-of-life-rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kollode/game-of-life-rs
[INFO] finished tweaking git repo https://github.com/Kollode/game-of-life-rs
[INFO] tweaked toml for git repo https://github.com/Kollode/game-of-life-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kollode/game-of-life-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 6f17d7d0aa950f54db60ddaf8d78e08dabe1457a3fa8900ed1391a59f3a6a14f
[INFO] running `"docker" "start" "-a" "6f17d7d0aa950f54db60ddaf8d78e08dabe1457a3fa8900ed1391a59f3a6a14f"`
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.21.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking wayland-commons v0.21.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.3
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking game-of-live-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `zell` is assigned to, but never used
[INFO] [stderr]    --> src/gameboard.rs:139:29
[INFO] [stderr]     |
[INFO] [stderr] 139 |             if let Some(mut zell) = old_cells.get(index) {
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_zell` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `zell` is never read
[INFO] [stderr]    --> src/gameboard.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 zell = &cell.clone();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/gameboard.rs:101:30
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]     |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gameboard.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut old_cells = self.cells.clone();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `getPositionFromIndex` should have a snake case name
[INFO] [stderr]    --> src/gameboard.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |  fn getPositionFromIndex(number_of_cols: f64, index: f64) -> (i64, i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_position_from_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `getPositionFromRowCol` should have a snake case name
[INFO] [stderr]    --> src/gameboard.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn getPositionFromRowCol(number_of_cols: i64, row: i64, col: i64) -> i64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_position_from_row_col`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `zell` is assigned to, but never used
[INFO] [stderr]    --> src/gameboard.rs:139:29
[INFO] [stderr]     |
[INFO] [stderr] 139 |             if let Some(mut zell) = old_cells.get(index) {
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_zell` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `zell` is never read
[INFO] [stderr]    --> src/gameboard.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 zell = &cell.clone();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/gameboard.rs:101:30
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]     |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gameboard.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut old_cells = self.cells.clone();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `getPositionFromIndex` should have a snake case name
[INFO] [stderr]    --> src/gameboard.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |  fn getPositionFromIndex(number_of_cols: f64, index: f64) -> (i64, i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_position_from_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `getPositionFromRowCol` should have a snake case name
[INFO] [stderr]    --> src/gameboard.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn getPositionFromRowCol(number_of_cols: i64, row: i64, col: i64) -> i64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_position_from_row_col`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.88s
[INFO] running `"docker" "inspect" "6f17d7d0aa950f54db60ddaf8d78e08dabe1457a3fa8900ed1391a59f3a6a14f"`
[INFO] running `"docker" "rm" "-f" "6f17d7d0aa950f54db60ddaf8d78e08dabe1457a3fa8900ed1391a59f3a6a14f"`
[INFO] [stdout] 6f17d7d0aa950f54db60ddaf8d78e08dabe1457a3fa8900ed1391a59f3a6a14f