[INFO] crate simoncli 1.1.1 is already in cache
[INFO] testing simoncli-1.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate simoncli 1.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate simoncli 1.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simoncli 1.1.1
[INFO] finished tweaking crates.io crate simoncli 1.1.1
[INFO] tweaked toml for crates.io crate simoncli 1.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 49279f9097cebf87ef82451f89a9b60c248adbbc407180a3ea900316d16cb368
[INFO] running `"docker" "start" "-a" "49279f9097cebf87ef82451f89a9b60c248adbbc407180a3ea900316d16cb368"`
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling simoncli v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]   --> src/board.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         use std::io::{stdout, Write};
[INFO] [stderr]    |                       ^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         for _ in (0 .. self.padding[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 `for` iterator expression
[INFO] [stderr]   --> src/board.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |             for _ in (0 .. self.padding[1]) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 for _ in (0 .. self.inner_padding[1]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/controls.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Cell`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sleep_ms`
[INFO] [stderr]  --> src/game.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::{cmd, flush, print, sleep_ms};
[INFO] [stderr]   |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/game.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         exit(0);
[INFO] [stderr]     |         ------- any code following this expression is unreachable
[INFO] [stderr] 147 |         Ok(())
[INFO] [stderr]     |         ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/board.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |         for (row, cells) in self.rows.iter().enumerate() {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FILLED`
[INFO] [stderr]   --> src/board.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FILLED: &str = "█";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/cell.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cell_by_key`
[INFO] [stderr]   --> src/controls.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_cell_by_key(&self, key: &Key) -> Option<Cell> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sleep_ms`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn sleep_ms(ms: u64) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E: Debug> = Result<(), E>;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E> = Result<(), E>;
[INFO] [stderr]    |          --
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `"docker" "inspect" "49279f9097cebf87ef82451f89a9b60c248adbbc407180a3ea900316d16cb368"`
[INFO] running `"docker" "rm" "-f" "49279f9097cebf87ef82451f89a9b60c248adbbc407180a3ea900316d16cb368"`
[INFO] [stdout] 49279f9097cebf87ef82451f89a9b60c248adbbc407180a3ea900316d16cb368
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] a3611f88128568eb374fd75612432595ee50ab9440b5615a63230fe6048115e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a3611f88128568eb374fd75612432595ee50ab9440b5615a63230fe6048115e7"`
[INFO] [stderr]    Compiling simoncli v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]   --> src/board.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         use std::io::{stdout, Write};
[INFO] [stderr]    |                       ^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         for _ in (0 .. self.padding[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 `for` iterator expression
[INFO] [stderr]   --> src/board.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |             for _ in (0 .. self.padding[1]) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 for _ in (0 .. self.inner_padding[1]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/controls.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Cell`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sleep_ms`
[INFO] [stderr]  --> src/game.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::{cmd, flush, print, sleep_ms};
[INFO] [stderr]   |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/game.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         exit(0);
[INFO] [stderr]     |         ------- any code following this expression is unreachable
[INFO] [stderr] 147 |         Ok(())
[INFO] [stderr]     |         ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/board.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |         for (row, cells) in self.rows.iter().enumerate() {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FILLED`
[INFO] [stderr]   --> src/board.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FILLED: &str = "█";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/cell.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cell_by_key`
[INFO] [stderr]   --> src/controls.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_cell_by_key(&self, key: &Key) -> Option<Cell> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sleep_ms`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn sleep_ms(ms: u64) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E: Debug> = Result<(), E>;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E> = Result<(), E>;
[INFO] [stderr]    |          --
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "a3611f88128568eb374fd75612432595ee50ab9440b5615a63230fe6048115e7"`
[INFO] running `"docker" "rm" "-f" "a3611f88128568eb374fd75612432595ee50ab9440b5615a63230fe6048115e7"`
[INFO] [stdout] a3611f88128568eb374fd75612432595ee50ab9440b5615a63230fe6048115e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 4b25a355887f773a0bd5951d56366be92b2dbfd0b734074ff202880e6e80f4bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4b25a355887f773a0bd5951d56366be92b2dbfd0b734074ff202880e6e80f4bc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]   --> src/board.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         use std::io::{stdout, Write};
[INFO] [stderr]    |                       ^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         for _ in (0 .. self.padding[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 `for` iterator expression
[INFO] [stderr]   --> src/board.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |             for _ in (0 .. self.padding[1]) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/board.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 for _ in (0 .. self.inner_padding[1]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/controls.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Cell`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sleep_ms`
[INFO] [stderr]  --> src/game.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::{cmd, flush, print, sleep_ms};
[INFO] [stderr]   |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/game.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         exit(0);
[INFO] [stderr]     |         ------- any code following this expression is unreachable
[INFO] [stderr] 147 |         Ok(())
[INFO] [stderr]     |         ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/board.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |         for (row, cells) in self.rows.iter().enumerate() {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FILLED`
[INFO] [stderr]   --> src/board.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FILLED: &str = "█";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/cell.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_cell_by_key`
[INFO] [stderr]   --> src/controls.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_cell_by_key(&self, key: &Key) -> Option<Cell> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sleep_ms`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn sleep_ms(ms: u64) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E: Debug> = Result<(), E>;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Res<E> = Result<(), E>;
[INFO] [stderr]    |          --
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simoncli-644eb5ba701962fd
[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" "4b25a355887f773a0bd5951d56366be92b2dbfd0b734074ff202880e6e80f4bc"`
[INFO] running `"docker" "rm" "-f" "4b25a355887f773a0bd5951d56366be92b2dbfd0b734074ff202880e6e80f4bc"`
[INFO] [stdout] 4b25a355887f773a0bd5951d56366be92b2dbfd0b734074ff202880e6e80f4bc