[INFO] updating cached repository https://github.com/peterjoel/gol
[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] a2a40f37e802bf076e211057201f09e65c04c67a
[INFO] checking peterjoel/gol against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterjoel%2Fgol" "/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/peterjoel/gol 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/peterjoel/gol
[INFO] finished tweaking git repo https://github.com/peterjoel/gol
[INFO] tweaked toml for git repo https://github.com/peterjoel/gol written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/peterjoel/gol 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-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" "+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] fd57448a68e08249582519a1b7df7ca872a2175b236bcd30cd1c6286d7087105
[INFO] running `"docker" "start" "-a" "fd57448a68e08249582519a1b7df7ca872a2175b236bcd30cd1c6286d7087105"`
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]     Checking rustty v0.1.12
[INFO] [stderr]     Checking gol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/backend/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(msg: String) -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoveCursorTo`
[INFO] [stderr]  --> src/editor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     MoveCursorTo { x: usize, y: usize },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ToggleCellAt`
[INFO] [stderr]  --> src/editor.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ToggleCellAt { x: usize, y: usize },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `KillCellAt`
[INFO] [stderr]   --> src/editor.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     KillCellAt { x: usize, y: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddCellAt`
[INFO] [stderr]   --> src/editor.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     AddCellAt { x: usize, y: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from_grid`
[INFO] [stderr]   --> src/game.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new_from_grid(grid: Grid<u8>, wrapped: bool) -> Gol {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/game.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn init(&mut self, cells: &[(usize, usize)]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_data`
[INFO] [stderr]   --> src/grid.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn with_data(width: usize, height: usize, data: Vec<T>) -> Grid<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ref`
[INFO] [stderr]   --> src/grid.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn get_ref(&self, x: usize, y: usize) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/backend/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(msg: String) -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoveCursorTo`
[INFO] [stderr]  --> src/editor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     MoveCursorTo { x: usize, y: usize },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ToggleCellAt`
[INFO] [stderr]  --> src/editor.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ToggleCellAt { x: usize, y: usize },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `KillCellAt`
[INFO] [stderr]   --> src/editor.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     KillCellAt { x: usize, y: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AddCellAt`
[INFO] [stderr]   --> src/editor.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     AddCellAt { x: usize, y: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from_grid`
[INFO] [stderr]   --> src/game.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new_from_grid(grid: Grid<u8>, wrapped: bool) -> Gol {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/game.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn init(&mut self, cells: &[(usize, usize)]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_data`
[INFO] [stderr]   --> src/grid.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn with_data(width: usize, height: usize, data: Vec<T>) -> Grid<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ref`
[INFO] [stderr]   --> src/grid.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn get_ref(&self, x: usize, y: usize) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "fd57448a68e08249582519a1b7df7ca872a2175b236bcd30cd1c6286d7087105"`
[INFO] running `"docker" "rm" "-f" "fd57448a68e08249582519a1b7df7ca872a2175b236bcd30cd1c6286d7087105"`
[INFO] [stdout] fd57448a68e08249582519a1b7df7ca872a2175b236bcd30cd1c6286d7087105