[INFO] cloning repository https://github.com/GlitchyCat/minesweeper-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GlitchyCat/minesweeper-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c06f24ab478b0b949eb951e7c6f2d79a9e6bf6af
[INFO] checking GlitchyCat/minesweeper-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitchyCat%2Fminesweeper-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlitchyCat/minesweeper-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GlitchyCat/minesweeper-rust
[INFO] finished tweaking git repo https://github.com/GlitchyCat/minesweeper-rust
[INFO] tweaked toml for git repo https://github.com/GlitchyCat/minesweeper-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/GlitchyCat/minesweeper-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 410b36eaf68b9809c9e5c61811c7a58a5799f3dfc0d11f7d34b2b721cf512c42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "410b36eaf68b9809c9e5c61811c7a58a5799f3dfc0d11f7d34b2b721cf512c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "410b36eaf68b9809c9e5c61811c7a58a5799f3dfc0d11f7d34b2b721cf512c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410b36eaf68b9809c9e5c61811c7a58a5799f3dfc0d11f7d34b2b721cf512c42", kill_on_drop: false }`
[INFO] [stdout] 410b36eaf68b9809c9e5c61811c7a58a5799f3dfc0d11f7d34b2b721cf512c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fad8207eb406fc2c9691fb6bdae64c61788c82a7a447d5b3fde5b2aff30431b6
[INFO] running `Command { std: "docker" "start" "-a" "fad8207eb406fc2c9691fb6bdae64c61788c82a7a447d5b3fde5b2aff30431b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `exploded_mine_pos`
[INFO] [stdout]   --> src/controller.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exploded_mine_pos(&self) -> Option<(u32, u32)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_correctly_flagged`
[INFO] [stdout]   --> src/controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn num_correctly_flagged(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_flagged`
[INFO] [stdout]    --> src/model.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn num_flagged(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exploded_mine_pos`
[INFO] [stdout]   --> src/controller.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exploded_mine_pos(&self) -> Option<(u32, u32)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_correctly_flagged`
[INFO] [stdout]   --> src/controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn num_correctly_flagged(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_flagged`
[INFO] [stdout]    --> src/model.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn num_flagged(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "fad8207eb406fc2c9691fb6bdae64c61788c82a7a447d5b3fde5b2aff30431b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad8207eb406fc2c9691fb6bdae64c61788c82a7a447d5b3fde5b2aff30431b6", kill_on_drop: false }`
[INFO] [stdout] fad8207eb406fc2c9691fb6bdae64c61788c82a7a447d5b3fde5b2aff30431b6