Dec 19 11:04:59.057 INFO checking peterjoel/gol against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:04:59.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/peterjoel/gol:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:04:59.212 INFO [stdout] 9f784bc722ca5735e485ccc35c7aa696ad018f9745e8c82a0403a6dd199ab0f0
Dec 19 11:04:59.218 INFO running `"docker" "start" "-a" "9f784bc722ca5735e485ccc35c7aa696ad018f9745e8c82a0403a6dd199ab0f0"`
Dec 19 11:04:59.676 INFO [stderr]     Checking gag v0.1.10
Dec 19 11:05:00.060 INFO [stderr]     Checking rustty v0.1.12
Dec 19 11:05:00.652 INFO [stderr]     Checking gol v0.1.0 (/opt/crater/workdir)
Dec 19 11:05:00.916 INFO [stderr] warning: unused import: `Debug`
Dec 19 11:05:00.917 INFO [stderr]  --> src/backend/mod.rs:5:22
Dec 19 11:05:00.917 INFO [stderr]   |
Dec 19 11:05:00.917 INFO [stderr] 5 | use std::fmt::{self, Debug, Display, Formatter};
Dec 19 11:05:00.917 INFO [stderr]   |                      ^^^^^
Dec 19 11:05:00.918 INFO [stderr]   |
Dec 19 11:05:00.918 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:05:00.918 INFO [stderr] 
Dec 19 11:05:00.952 INFO [stderr] warning: unused import: `Debug`
Dec 19 11:05:00.952 INFO [stderr]  --> src/backend/mod.rs:5:22
Dec 19 11:05:00.952 INFO [stderr]   |
Dec 19 11:05:00.952 INFO [stderr] 5 | use std::fmt::{self, Debug, Display, Formatter};
Dec 19 11:05:00.952 INFO [stderr]   |                      ^^^^^
Dec 19 11:05:00.952 INFO [stderr]   |
Dec 19 11:05:00.956 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:05:00.956 INFO [stderr] 
Dec 19 11:05:01.252 INFO [stderr] warning: method is never used: `new`
Dec 19 11:05:01.252 INFO [stderr]   --> src/backend/mod.rs:17:5
Dec 19 11:05:01.252 INFO [stderr]    |
Dec 19 11:05:01.252 INFO [stderr] 17 |     fn new(msg: String) -> Error {
Dec 19 11:05:01.252 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.252 INFO [stderr]    |
Dec 19 11:05:01.252 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:05:01.252 INFO [stderr] 
Dec 19 11:05:01.252 INFO [stderr] warning: variant is never constructed: `MoveCursorTo`
Dec 19 11:05:01.252 INFO [stderr]  --> src/editor.rs:7:5
Dec 19 11:05:01.252 INFO [stderr]   |
Dec 19 11:05:01.253 INFO [stderr] 7 |     MoveCursorTo { x: usize, y: usize },
Dec 19 11:05:01.253 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: variant is never constructed: `ToggleCellAt`
Dec 19 11:05:01.253 INFO [stderr]  --> src/editor.rs:9:5
Dec 19 11:05:01.253 INFO [stderr]   |
Dec 19 11:05:01.253 INFO [stderr] 9 |     ToggleCellAt { x: usize, y: usize },
Dec 19 11:05:01.253 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: variant is never constructed: `KillCellAt`
Dec 19 11:05:01.253 INFO [stderr]   --> src/editor.rs:10:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 10 |     KillCellAt { x: usize, y: usize },
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: variant is never constructed: `AddCellAt`
Dec 19 11:05:01.253 INFO [stderr]   --> src/editor.rs:11:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 11 |     AddCellAt { x: usize, y: usize },
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: method is never used: `new_from_grid`
Dec 19 11:05:01.253 INFO [stderr]   --> src/game.rs:17:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 17 |     pub fn new_from_grid(grid: Grid<u8>, wrapped: bool) -> Gol {
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: method is never used: `init`
Dec 19 11:05:01.253 INFO [stderr]   --> src/game.rs:24:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 24 |     pub fn init(&mut self, cells: &[(usize, usize)]) {
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: method is never used: `with_data`
Dec 19 11:05:01.253 INFO [stderr]   --> src/grid.rs:34:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 34 |     pub fn with_data(width: usize, height: usize, data: Vec<T>) -> Grid<T> {
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.253 INFO [stderr] warning: method is never used: `get_ref`
Dec 19 11:05:01.253 INFO [stderr]   --> src/grid.rs:58:5
Dec 19 11:05:01.253 INFO [stderr]    |
Dec 19 11:05:01.253 INFO [stderr] 58 |     pub fn get_ref(&self, x: usize, y: usize) -> &T {
Dec 19 11:05:01.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.253 INFO [stderr] 
Dec 19 11:05:01.403 INFO [stderr] warning: method is never used: `new`
Dec 19 11:05:01.403 INFO [stderr]   --> src/backend/mod.rs:17:5
Dec 19 11:05:01.403 INFO [stderr]    |
Dec 19 11:05:01.403 INFO [stderr] 17 |     fn new(msg: String) -> Error {
Dec 19 11:05:01.403 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.403 INFO [stderr]    |
Dec 19 11:05:01.403 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:05:01.403 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: variant is never constructed: `MoveCursorTo`
Dec 19 11:05:01.404 INFO [stderr]  --> src/editor.rs:7:5
Dec 19 11:05:01.404 INFO [stderr]   |
Dec 19 11:05:01.404 INFO [stderr] 7 |     MoveCursorTo { x: usize, y: usize },
Dec 19 11:05:01.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: variant is never constructed: `ToggleCellAt`
Dec 19 11:05:01.404 INFO [stderr]  --> src/editor.rs:9:5
Dec 19 11:05:01.404 INFO [stderr]   |
Dec 19 11:05:01.404 INFO [stderr] 9 |     ToggleCellAt { x: usize, y: usize },
Dec 19 11:05:01.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: variant is never constructed: `KillCellAt`
Dec 19 11:05:01.404 INFO [stderr]   --> src/editor.rs:10:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 10 |     KillCellAt { x: usize, y: usize },
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: variant is never constructed: `AddCellAt`
Dec 19 11:05:01.404 INFO [stderr]   --> src/editor.rs:11:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 11 |     AddCellAt { x: usize, y: usize },
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: method is never used: `new_from_grid`
Dec 19 11:05:01.404 INFO [stderr]   --> src/game.rs:17:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 17 |     pub fn new_from_grid(grid: Grid<u8>, wrapped: bool) -> Gol {
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: method is never used: `init`
Dec 19 11:05:01.404 INFO [stderr]   --> src/game.rs:24:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 24 |     pub fn init(&mut self, cells: &[(usize, usize)]) {
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: method is never used: `with_data`
Dec 19 11:05:01.404 INFO [stderr]   --> src/grid.rs:34:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 34 |     pub fn with_data(width: usize, height: usize, data: Vec<T>) -> Grid<T> {
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.404 INFO [stderr] warning: method is never used: `get_ref`
Dec 19 11:05:01.404 INFO [stderr]   --> src/grid.rs:58:5
Dec 19 11:05:01.404 INFO [stderr]    |
Dec 19 11:05:01.404 INFO [stderr] 58 |     pub fn get_ref(&self, x: usize, y: usize) -> &T {
Dec 19 11:05:01.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:05:01.404 INFO [stderr] 
Dec 19 11:05:01.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Dec 19 11:05:02.086 INFO running `"docker" "inspect" "9f784bc722ca5735e485ccc35c7aa696ad018f9745e8c82a0403a6dd199ab0f0"`
Dec 19 11:05:02.332 INFO running `"docker" "rm" "-f" "9f784bc722ca5735e485ccc35c7aa696ad018f9745e8c82a0403a6dd199ab0f0"`
Dec 19 11:05:02.755 INFO [stdout] 9f784bc722ca5735e485ccc35c7aa696ad018f9745e8c82a0403a6dd199ab0f0