[INFO] cloning repository https://github.com/Emre-Kul/rust-minesweeper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Emre-Kul/rust-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmre-Kul%2Frust-minesweeper"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmre-Kul%2Frust-minesweeper'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37c27d1e400f5e493ff6701d7c2a992df41f4575
[INFO] testing Emre-Kul/rust-minesweeper against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmre-Kul%2Frust-minesweeper" "/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/Emre-Kul/rust-minesweeper on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Emre-Kul/rust-minesweeper
[INFO] finished tweaking git repo https://github.com/Emre-Kul/rust-minesweeper
[INFO] tweaked toml for git repo https://github.com/Emre-Kul/rust-minesweeper written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Emre-Kul/rust-minesweeper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7324ed70af9f53015787569a222b449caaef48d49d50cf0634445af030ce5cfa
[INFO] running `"docker" "start" "-a" "7324ed70af9f53015787569a222b449caaef48d49d50cf0634445af030ce5cfa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rust-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/core/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/core/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/core/game.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/core/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/core/game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if(count == 0) {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::BOMB) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::CLOSED) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/core/level.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                 ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         (_) => while (10 as i32).pow(zero_count) <= num as i32 {
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/core/level.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |          ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         for (y, block) in vec.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rand_num`
[INFO] [stderr]   --> src/core/level.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut rand_num: u32;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MEDIUM`
[INFO] [stderr]  --> src/core/level.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     MEDIUM,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HARD`
[INFO] [stderr]  --> src/core/level.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     HARD
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `"docker" "inspect" "7324ed70af9f53015787569a222b449caaef48d49d50cf0634445af030ce5cfa"`
[INFO] running `"docker" "rm" "-f" "7324ed70af9f53015787569a222b449caaef48d49d50cf0634445af030ce5cfa"`
[INFO] [stdout] 7324ed70af9f53015787569a222b449caaef48d49d50cf0634445af030ce5cfa
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3c845f34cb3c7659be4afb7f4b2236bd479a19fb31ced4cdd311d2f60c23419
[INFO] running `"docker" "start" "-a" "a3c845f34cb3c7659be4afb7f4b2236bd479a19fb31ced4cdd311d2f60c23419"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/core/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/core/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/core/game.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/core/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/core/game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if(count == 0) {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::BOMB) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::CLOSED) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/core/level.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                 ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         (_) => while (10 as i32).pow(zero_count) <= num as i32 {
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/core/level.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |          ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         for (y, block) in vec.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rand_num`
[INFO] [stderr]   --> src/core/level.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut rand_num: u32;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MEDIUM`
[INFO] [stderr]  --> src/core/level.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     MEDIUM,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HARD`
[INFO] [stderr]  --> src/core/level.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     HARD
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "a3c845f34cb3c7659be4afb7f4b2236bd479a19fb31ced4cdd311d2f60c23419"`
[INFO] running `"docker" "rm" "-f" "a3c845f34cb3c7659be4afb7f4b2236bd479a19fb31ced4cdd311d2f60c23419"`
[INFO] [stdout] a3c845f34cb3c7659be4afb7f4b2236bd479a19fb31ced4cdd311d2f60c23419
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6acd10249de80c3d3f0ea150a91e81d484bea016e3e40922eafcfc8a9305f28
[INFO] running `"docker" "start" "-a" "e6acd10249de80c3d3f0ea150a91e81d484bea016e3e40922eafcfc8a9305f28"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/core/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/core/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/core/game.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/core/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/core/game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if(count == 0) {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::BOMB) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/core/game.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 if(self.terrain.blocks[i as usize][j as usize] == BlockType::CLOSED) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/core/level.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                 ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         (_) => while (10 as i32).pow(zero_count) <= num as i32 {
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 (_) => print!("|?|")
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/core/level.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |         (_) => create_level((10, 10), 10)
[INFO] [stderr]    |          ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |         for (y, block) in vec.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rand_num`
[INFO] [stderr]   --> src/core/level.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut rand_num: u32;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MEDIUM`
[INFO] [stderr]  --> src/core/level.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     MEDIUM,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HARD`
[INFO] [stderr]  --> src/core/level.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     HARD
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_minesweeper-f1273003f997c526
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e6acd10249de80c3d3f0ea150a91e81d484bea016e3e40922eafcfc8a9305f28"`
[INFO] running `"docker" "rm" "-f" "e6acd10249de80c3d3f0ea150a91e81d484bea016e3e40922eafcfc8a9305f28"`
[INFO] [stdout] e6acd10249de80c3d3f0ea150a91e81d484bea016e3e40922eafcfc8a9305f28