[INFO] cloning repository https://github.com/bobrekjiri/rubic_cube_solver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobrekjiri/rubic_cube_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobrekjiri%2Frubic_cube_solver"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobrekjiri%2Frubic_cube_solver'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d55d32d0c8a9a50b332f67863dfa289ba32e5ec0
[INFO] checking bobrekjiri/rubic_cube_solver against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobrekjiri%2Frubic_cube_solver" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bobrekjiri/rubic_cube_solver on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bobrekjiri/rubic_cube_solver
[INFO] finished tweaking git repo https://github.com/bobrekjiri/rubic_cube_solver
[INFO] tweaked toml for git repo https://github.com/bobrekjiri/rubic_cube_solver written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/bobrekjiri/rubic_cube_solver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a3a1fb4b027a431adb6dcd070658d0d34618796ea6b3edb0dd8bf84afe892f6
[INFO] running `"docker" "start" "-a" "5a3a1fb4b027a431adb6dcd070658d0d34618796ea6b3edb0dd8bf84afe892f6"`
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking rubic_cube_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rubic_cube.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 | /         lazy_static! {
[INFO] [stderr] 179 | |             static ref RE: regex::Regex = regex::Regex::new("([RLUDFB]i{0,1})+").unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rubic_cube.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 | /         lazy_static! {
[INFO] [stderr] 179 | |             static ref RE: regex::Regex = regex::Regex::new("([RLUDFB]i{0,1})+").unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rubic_cube.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 | /         lazy_static! {
[INFO] [stderr] 179 | |             static ref RE: regex::Regex = regex::Regex::new("([RLUDFB]i{0,1})+").unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rubic_cube.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 | /         lazy_static! {
[INFO] [stderr] 179 | |             static ref RE: regex::Regex = regex::Regex::new("([RLUDFB]i{0,1})+").unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pointers` is never read
[INFO] [stderr]   --> src/side.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut pointers = (0,0,0);
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rubic_cube.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         for i in 0..moves {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Top`
[INFO] [stderr]  --> src/side.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Top,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/side.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Front`
[INFO] [stderr]  --> src/side.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Front,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/side.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Right,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Back`
[INFO] [stderr]  --> src/side.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Back,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bottom`
[INFO] [stderr]  --> src/side.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Bottom
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Top`
[INFO] [stderr]   --> src/side.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Top,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/side.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/side.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bottom`
[INFO] [stderr]   --> src/side.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Bottom
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Side`
[INFO] [stderr]   --> src/side.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Side {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/side.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(position: Sides, colors: [char; 9]) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_side`
[INFO] [stderr]   --> src/side.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn print_side(&self, indentation: &String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_row`
[INFO] [stderr]   --> src/side.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn print_row(&self, indentation: &String, row: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_edge`
[INFO] [stderr]   --> src/side.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_edge(&self, edge: Edges) -> (char,char,char) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_edge`
[INFO] [stderr]   --> src/side.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_edge(&self, edge: Edges, new_edge: (char,char,char), inverse: bool) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `transform`
[INFO] [stderr]   --> src/side.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn transform(&self,clockwise: bool) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RubicCube`
[INFO] [stderr]  --> src/rubic_cube.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct RubicCube {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/rubic_cube.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_r_l`
[INFO] [stderr]   --> src/rubic_cube.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn rotate_r_l(&mut self, inverse: bool, edge: side::Edges) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]   --> src/rubic_cube.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn rotate_left(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_right`
[INFO] [stderr]   --> src/rubic_cube.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn rotate_right(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_f`
[INFO] [stderr]   --> src/rubic_cube.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn rotate_f(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_b`
[INFO] [stderr]    --> src/rubic_cube.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn rotate_b(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_front`
[INFO] [stderr]    --> src/rubic_cube.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn rotate_front(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_back`
[INFO] [stderr]    --> src/rubic_cube.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn rotate_back(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_u_d`
[INFO] [stderr]    --> src/rubic_cube.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn rotate_u_d(&mut self, inverse: bool, edge: side::Edges) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_up`
[INFO] [stderr]    --> src/rubic_cube.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn rotate_up(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_down`
[INFO] [stderr]    --> src/rubic_cube.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn rotate_down(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verify_command`
[INFO] [stderr]    --> src/rubic_cube.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn verify_command(text: &str) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]    --> src/rubic_cube.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn execute(&mut self, command: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shuffle`
[INFO] [stderr]    --> src/rubic_cube.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn shuffle(&mut self, moves: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cube_test`
[INFO] [stderr]    --> src/rubic_cube.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn cube_test() {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_test`
[INFO] [stderr]    --> src/rubic_cube.rs:263:4
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn rotate_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_test`
[INFO] [stderr]    --> src/rubic_cube.rs:313:4
[INFO] [stderr]     |
[INFO] [stderr] 313 | fn execute_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shuffle_test`
[INFO] [stderr]    --> src/rubic_cube.rs:330:4
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn shuffle_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pointers` is never read
[INFO] [stderr]   --> src/side.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut pointers = (0,0,0);
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rubic_cube.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         for i in 0..moves {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Top`
[INFO] [stderr]  --> src/side.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Top,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/side.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Front`
[INFO] [stderr]  --> src/side.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Front,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/side.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Right,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Back`
[INFO] [stderr]  --> src/side.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Back,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bottom`
[INFO] [stderr]  --> src/side.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Bottom
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Top`
[INFO] [stderr]   --> src/side.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Top,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/side.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/side.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bottom`
[INFO] [stderr]   --> src/side.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Bottom
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Side`
[INFO] [stderr]   --> src/side.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Side {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/side.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(position: Sides, colors: [char; 9]) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_side`
[INFO] [stderr]   --> src/side.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn print_side(&self, indentation: &String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_row`
[INFO] [stderr]   --> src/side.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn print_row(&self, indentation: &String, row: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_edge`
[INFO] [stderr]   --> src/side.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_edge(&self, edge: Edges) -> (char,char,char) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_edge`
[INFO] [stderr]   --> src/side.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_edge(&self, edge: Edges, new_edge: (char,char,char), inverse: bool) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `transform`
[INFO] [stderr]   --> src/side.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn transform(&self,clockwise: bool) -> Side {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RubicCube`
[INFO] [stderr]  --> src/rubic_cube.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct RubicCube {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/rubic_cube.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_r_l`
[INFO] [stderr]   --> src/rubic_cube.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn rotate_r_l(&mut self, inverse: bool, edge: side::Edges) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]   --> src/rubic_cube.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn rotate_left(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_right`
[INFO] [stderr]   --> src/rubic_cube.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn rotate_right(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_f`
[INFO] [stderr]   --> src/rubic_cube.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn rotate_f(&mut self, inverse: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_b`
[INFO] [stderr]    --> src/rubic_cube.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn rotate_b(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_front`
[INFO] [stderr]    --> src/rubic_cube.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn rotate_front(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_back`
[INFO] [stderr]    --> src/rubic_cube.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn rotate_back(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_u_d`
[INFO] [stderr]    --> src/rubic_cube.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn rotate_u_d(&mut self, inverse: bool, edge: side::Edges) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_up`
[INFO] [stderr]    --> src/rubic_cube.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn rotate_up(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_down`
[INFO] [stderr]    --> src/rubic_cube.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn rotate_down(&mut self, inverse: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verify_command`
[INFO] [stderr]    --> src/rubic_cube.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn verify_command(text: &str) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]    --> src/rubic_cube.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn execute(&mut self, command: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shuffle`
[INFO] [stderr]    --> src/rubic_cube.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn shuffle(&mut self, moves: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cube_test`
[INFO] [stderr]    --> src/rubic_cube.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn cube_test() {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_test`
[INFO] [stderr]    --> src/rubic_cube.rs:263:4
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn rotate_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_test`
[INFO] [stderr]    --> src/rubic_cube.rs:313:4
[INFO] [stderr]     |
[INFO] [stderr] 313 | fn execute_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shuffle_test`
[INFO] [stderr]    --> src/rubic_cube.rs:330:4
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn shuffle_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "5a3a1fb4b027a431adb6dcd070658d0d34618796ea6b3edb0dd8bf84afe892f6"`
[INFO] running `"docker" "rm" "-f" "5a3a1fb4b027a431adb6dcd070658d0d34618796ea6b3edb0dd8bf84afe892f6"`
[INFO] [stdout] 5a3a1fb4b027a431adb6dcd070658d0d34618796ea6b3edb0dd8bf84afe892f6