[INFO] updating cached repository https://github.com/tylersouthwick/rubiks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 041e513d83b482d777e06d3ab9d44b00d17f115b
[INFO] checking tylersouthwick/rubiks against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylersouthwick%2Frubiks" "/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/tylersouthwick/rubiks 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/tylersouthwick/rubiks
[INFO] finished tweaking git repo https://github.com/tylersouthwick/rubiks
[INFO] tweaked toml for git repo https://github.com/tylersouthwick/rubiks written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tylersouthwick/rubiks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-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] 280ee2d38af196ffa39159c4caa5642bfd3a2e0d76d21819d91a5ec4a2ec5ac4
[INFO] running `"docker" "start" "-a" "280ee2d38af196ffa39159c4caa5642bfd3a2e0d76d21819d91a5ec4a2ec5ac4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rubiks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `moveseq` should have an upper camel case name
[INFO] [stderr]    --> src/cubies.rs:268:6
[INFO] [stderr]     |
[INFO] [stderr] 268 | type moveseq = Vec<usize>;
[INFO] [stderr]     |      ^^^^^^^ help: convert the identifier to upper camel case: `Moveseq`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `moveseq` should have an upper camel case name
[INFO] [stderr]    --> src/cubies.rs:268:6
[INFO] [stderr]     |
[INFO] [stderr] 268 | type moveseq = Vec<usize>;
[INFO] [stderr]     |      ^^^^^^^ help: convert the identifier to upper camel case: `Moveseq`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/cubies.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let t = self.edges[d];
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/cubies.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let t = self.cubies[d];
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RIGHT`
[INFO] [stderr]   --> src/cube.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     RIGHT,
[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/cube.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     LEFT,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOWN`
[INFO] [stderr]   --> src/cube.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     DOWN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UP`
[INFO] [stderr]   --> src/cube.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     UP,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random`
[INFO] [stderr]    --> src/array_cube.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn random() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]    --> src/array_cube.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn rotate_left(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_right`
[INFO] [stderr]    --> src/array_cube.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn rotate_right(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_f`
[INFO] [stderr]    --> src/array_cube.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn move_f(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_fi`
[INFO] [stderr]    --> src/array_cube.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 |     pub fn move_fi(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_ui`
[INFO] [stderr]    --> src/array_cube.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     pub fn move_ui(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_u`
[INFO] [stderr]    --> src/array_cube.rs:332:5
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn move_u(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_di`
[INFO] [stderr]    --> src/array_cube.rs:376:5
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn move_di(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_d`
[INFO] [stderr]    --> src/array_cube.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn move_d(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_li`
[INFO] [stderr]    --> src/array_cube.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn move_li(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_ri`
[INFO] [stderr]    --> src/array_cube.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 571 |     pub fn move_ri(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_face_color`
[INFO] [stderr]    --> src/array_cube.rs:601:5
[INFO] [stderr]     |
[INFO] [stderr] 601 |     pub fn find_face_color(self, face_orientation : FaceOrientation) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `M`
[INFO] [stderr]  --> src/cubies.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const M : u8= 48;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Twist`
[INFO] [stderr]   --> src/cubies.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Twist = u8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NO_TWIST`
[INFO] [stderr]   --> src/cubies.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const NO_TWIST : Twist = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CLOCKWISE`
[INFO] [stderr]   --> src/cubies.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const CLOCKWISE : Twist = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COUNTER_CLOCKWISE`
[INFO] [stderr]   --> src/cubies.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const COUNTER_CLOCKWISE : Twist = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `faces`
[INFO] [stderr]   --> src/cubies.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const faces : [char ; FACES] = ['U','F','R','D','B','L'];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cubies.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity`
[INFO] [stderr]   --> src/cubies.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn identity() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert_into`
[INFO] [stderr]   --> src/cubies.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn invert_into(self, dst : &mut CubieCube) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `edge4flip`
[INFO] [stderr]   --> src/cubies.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn edge4flip(&mut self, a : usize, b : usize, c : usize, d : usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `corner4flip`
[INFO] [stderr]   --> src/cubies.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn corner4flip(&mut self, a : usize, b : usize, c : usize, d : usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `movepc`
[INFO] [stderr]    --> src/cubies.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn movepc(&mut self, mov : usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul`
[INFO] [stderr]    --> src/cubies.rs:190:4
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn mul(a : &CubieCube, b : &CubieCube, r : &mut CubieCube) {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rot2`
[INFO] [stderr]    --> src/cubies.rs:205:4
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn rot2(cc : &mut [usize], a : usize, b : usize) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rot4`
[INFO] [stderr]    --> src/cubies.rs:211:4
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn rot4(cc : &mut [usize], a : usize, b : usize, c : usize, d : usize) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rot22`
[INFO] [stderr]    --> src/cubies.rs:218:4
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn rot22(cc : &mut [usize], a : usize, b : usize, c : usize, d : usize) {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_perm`
[INFO] [stderr]    --> src/cubies.rs:223:4
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn edge_perm(cubieval : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_ori`
[INFO] [stderr]    --> src/cubies.rs:227:4
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn edge_ori(cubieval : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_flip`
[INFO] [stderr]    --> src/cubies.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn edge_flip(cubieval : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_ori_add`
[INFO] [stderr]    --> src/cubies.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn edge_ori_add(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `corner_ori_sub`
[INFO] [stderr]    --> src/cubies.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn corner_ori_sub(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `corner_ori_add`
[INFO] [stderr]    --> src/cubies.rs:251:4
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn corner_ori_add(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `corner_ori_inc`
[INFO] [stderr]    --> src/cubies.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     corner_ori_inc : [usize ; CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `corner_ori_dec`
[INFO] [stderr]    --> src/cubies.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     corner_ori_dec : [usize ; CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `corner_ori_neg_strip`
[INFO] [stderr]    --> src/cubies.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     corner_ori_neg_strip : [usize ; CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mod24`
[INFO] [stderr]    --> src/cubies.rs:259:5
[INFO] [stderr]     |
[INFO] [stderr] 259 |     mod24 : [usize ; 2 * CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `edge_trans`
[INFO] [stderr]    --> src/cubies.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     edge_trans : [[usize ; CUBIES] ; NMOVES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `corner_trans`
[INFO] [stderr]    --> src/cubies.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     corner_trans : [[usize ; CUBIES] ; NMOVES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inv_move`
[INFO] [stderr]    --> src/cubies.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     inv_move : [usize; NMOVES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `moveseq`
[INFO] [stderr]    --> src/cubies.rs:268:1
[INFO] [stderr]     |
[INFO] [stderr] 268 | type moveseq = Vec<usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert_sequence`
[INFO] [stderr]    --> src/cubies.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn invert_sequence(self, seq : moveseq) -> moveseq {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `faces` should have an upper case name
[INFO] [stderr]   --> src/cubies.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const faces : [char ; FACES] = ['U','F','R','D','B','L'];
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to upper case: `FACES`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cubie_data` should have an upper case name
[INFO] [stderr]    --> src/cubies.rs:202:16
[INFO] [stderr]     |
[INFO] [stderr] 202 |     static ref cubie_data : CubieData = CubieData::new();
[INFO] [stderr]     |                ^^^^^^^^^^ help: convert the identifier to upper case: `CUBIE_DATA`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cubies.rs:323:20
[INFO] [stderr]     |
[INFO] [stderr] 323 |                 if m < 0 {
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 53 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/cubies.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let t = self.edges[d];
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/cubies.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let t = self.cubies[d];
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/cubies.rs:392:17
[INFO] [stderr]     |
[INFO] [stderr] 392 |             for j in 0..4 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/cubies.rs:403:17
[INFO] [stderr]     |
[INFO] [stderr] 403 |             for j in 0..4 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RIGHT`
[INFO] [stderr]   --> src/cube.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     RIGHT,
[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/cube.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     LEFT,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOWN`
[INFO] [stderr]   --> src/cube.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     DOWN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UP`
[INFO] [stderr]   --> src/cube.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     UP,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random`
[INFO] [stderr]    --> src/array_cube.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn random() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]    --> src/array_cube.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn rotate_left(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `M`
[INFO] [stderr]  --> src/cubies.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const M : u8= 48;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Twist`
[INFO] [stderr]   --> src/cubies.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Twist = u8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NO_TWIST`
[INFO] [stderr]   --> src/cubies.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const NO_TWIST : Twist = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CLOCKWISE`
[INFO] [stderr]   --> src/cubies.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const CLOCKWISE : Twist = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COUNTER_CLOCKWISE`
[INFO] [stderr]   --> src/cubies.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const COUNTER_CLOCKWISE : Twist = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `faces`
[INFO] [stderr]   --> src/cubies.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const faces : [char ; FACES] = ['U','F','R','D','B','L'];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert_into`
[INFO] [stderr]   --> src/cubies.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn invert_into(self, dst : &mut CubieCube) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul`
[INFO] [stderr]    --> src/cubies.rs:190:4
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn mul(a : &CubieCube, b : &CubieCube, r : &mut CubieCube) {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_perm`
[INFO] [stderr]    --> src/cubies.rs:223:4
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn edge_perm(cubieval : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_ori`
[INFO] [stderr]    --> src/cubies.rs:227:4
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn edge_ori(cubieval : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `edge_ori_add`
[INFO] [stderr]    --> src/cubies.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn edge_ori_add(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `corner_ori_sub`
[INFO] [stderr]    --> src/cubies.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn corner_ori_sub(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `corner_ori_add`
[INFO] [stderr]    --> src/cubies.rs:251:4
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn corner_ori_add(cv1 : usize, cv2 : usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `corner_ori_neg_strip`
[INFO] [stderr]    --> src/cubies.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     corner_ori_neg_strip : [usize ; CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mod24`
[INFO] [stderr]    --> src/cubies.rs:259:5
[INFO] [stderr]     |
[INFO] [stderr] 259 |     mod24 : [usize ; 2 * CUBIES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inv_move`
[INFO] [stderr]    --> src/cubies.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     inv_move : [usize; NMOVES],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `moveseq`
[INFO] [stderr]    --> src/cubies.rs:268:1
[INFO] [stderr]     |
[INFO] [stderr] 268 | type moveseq = Vec<usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert_sequence`
[INFO] [stderr]    --> src/cubies.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn invert_sequence(self, seq : moveseq) -> moveseq {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `faces` should have an upper case name
[INFO] [stderr]   --> src/cubies.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const faces : [char ; FACES] = ['U','F','R','D','B','L'];
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to upper case: `FACES`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cubie_data` should have an upper case name
[INFO] [stderr]    --> src/cubies.rs:202:16
[INFO] [stderr]     |
[INFO] [stderr] 202 |     static ref cubie_data : CubieData = CubieData::new();
[INFO] [stderr]     |                ^^^^^^^^^^ help: convert the identifier to upper case: `CUBIE_DATA`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cubies.rs:323:20
[INFO] [stderr]     |
[INFO] [stderr] 323 |                 if m < 0 {
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "280ee2d38af196ffa39159c4caa5642bfd3a2e0d76d21819d91a5ec4a2ec5ac4"`
[INFO] running `"docker" "rm" "-f" "280ee2d38af196ffa39159c4caa5642bfd3a2e0d76d21819d91a5ec4a2ec5ac4"`
[INFO] [stdout] 280ee2d38af196ffa39159c4caa5642bfd3a2e0d76d21819d91a5ec4a2ec5ac4