[INFO] updating cached repository https://github.com/pepone42/minesweeper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 07d4413426c90c5ed81c444d5760b3fac2fbdb51
[INFO] checking pepone42/minesweeper against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fminesweeper" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepone42/minesweeper on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pepone42/minesweeper
[INFO] finished tweaking git repo https://github.com/pepone42/minesweeper
[INFO] tweaked toml for git repo https://github.com/pepone42/minesweeper written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pepone42/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a55737eb8ce5b36418cc70c6ce05f9e0168f10337e85c4581b90f5dd78efe73
[INFO] running `"docker" "start" "-a" "3a55737eb8ce5b36418cc70c6ce05f9e0168f10337e85c4581b90f5dd78efe73"`
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stderr]     Checking mine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `"docker" "inspect" "3a55737eb8ce5b36418cc70c6ce05f9e0168f10337e85c4581b90f5dd78efe73"`
[INFO] running `"docker" "rm" "-f" "3a55737eb8ce5b36418cc70c6ce05f9e0168f10337e85c4581b90f5dd78efe73"`
[INFO] [stdout] 3a55737eb8ce5b36418cc70c6ce05f9e0168f10337e85c4581b90f5dd78efe73