[INFO] updating cached repository https://github.com/Innoviox/gaddag-rust
[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] [stderr] From https://github.com/Innoviox/gaddag-rust
[INFO] [stderr]  * [new branch]      imgbot     -> imgbot
[INFO] [stderr]    726c93a..f204fac  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f204faca6b4ba465d7d198e9c753b8dd994aa80b
[INFO] checking Innoviox/gaddag-rust against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnoviox%2Fgaddag-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Innoviox/gaddag-rust on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Innoviox/gaddag-rust
[INFO] finished tweaking git repo https://github.com/Innoviox/gaddag-rust
[INFO] tweaked toml for git repo https://github.com/Innoviox/gaddag-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Innoviox/gaddag-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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] ebcf008d65a87f81b0751f551efbfb8f2c03285a3ff572d4ad0261d7c51c57f1
[INFO] running `"docker" "start" "-a" "ebcf008d65a87f81b0751f551efbfb8f2c03285a3ff572d4ad0261d7c51c57f1"`
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]     Checking glib-sys v0.9.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling relm-derive v0.18.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]     Checking gobject-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking gio-sys v0.9.0
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking pango-sys v0.9.0
[INFO] [stderr]     Checking atk-sys v0.9.0
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.9.0
[INFO] [stderr]     Checking gio v0.7.0
[INFO] [stderr]     Checking relm v0.18.0
[INFO] [stderr]     Checking gaddag-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::player::Player`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::player::Player;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Board`, `STATE`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::board::{Board, STATE};
[INFO] [stderr]   |                    ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/board.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/dictionary.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Position`
[INFO] [stderr]  --> src/game.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::utils::{Move, Position};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Horizontal`, `Vertical`
[INFO] [stderr]   --> src/main.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 | use gtk::Orientation::{Vertical, Horizontal};
[INFO] [stderr]    |                        ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Border`
[INFO] [stderr]   --> src/main.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Label, Border, Grid, Button
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::player::Player`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::player::Player;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Board`, `STATE`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::board::{Board, STATE};
[INFO] [stderr]   |                    ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/board.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/dictionary.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Position`
[INFO] [stderr]  --> src/game.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::utils::{Move, Position};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Horizontal`, `Vertical`
[INFO] [stderr]   --> src/main.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 | use gtk::Orientation::{Vertical, Horizontal};
[INFO] [stderr]    |                        ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Border`
[INFO] [stderr]   --> src/main.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Label, Border, Grid, Button
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/dictionary.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for i in m.word.chars() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     let (m, r) = self.model.set_state(n);
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `di` is assigned to, but never used
[INFO] [stderr]    --> src/board.rs:339:17
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let mut di = 0;
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_di` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_anchor_col` is never read
[INFO] [stderr]    --> src/board.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let mut last_anchor_col = 0; // last column of the anchor to calculate the distance between current and last anchor square
[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: value assigned to `di` is never read
[INFO] [stderr]    --> src/board.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         di = 1;
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nnode`
[INFO] [stderr]    --> src/board.rs:485:28
[INFO] [stderr]     |
[INFO] [stderr] 485 |                 for (next, nnode) in self.trie.nexts(node) {
[INFO] [stderr]     |                            ^^^^^ help: consider prefixing with an underscore: `_nnode`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_node` is never read
[INFO] [stderr]   --> src/dictionary.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut last_node = current;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/dictionary.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for i in m.word.chars() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     let (m, r) = self.model.set_state(n);
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `di` is assigned to, but never used
[INFO] [stderr]    --> src/board.rs:339:17
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let mut di = 0;
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_di` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_anchor_col` is never read
[INFO] [stderr]    --> src/board.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let mut last_anchor_col = 0; // last column of the anchor to calculate the distance between current and last anchor square
[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: value assigned to `di` is never read
[INFO] [stderr]    --> src/board.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         di = 1;
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nnode`
[INFO] [stderr]    --> src/board.rs:485:28
[INFO] [stderr]     |
[INFO] [stderr] 485 |                 for (next, nnode) in self.trie.nexts(node) {
[INFO] [stderr]     |                            ^^^^^ help: consider prefixing with an underscore: `_nnode`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_node` is never read
[INFO] [stderr]   --> src/dictionary.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut last_node = current;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with`
[INFO] [stderr]   --> src/bag.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn with(order: &Vec<char>) -> Bag {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/utils.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn to_str(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cmp`
[INFO] [stderr]    --> src/utils.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn cmp(x: &&Move, y: &&Move) -> Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/board.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_move_cloned`
[INFO] [stderr]    --> src/board.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn place_move_cloned(&mut self, m: &Move) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `anchors`
[INFO] [stderr]    --> src/board.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn anchors(&self) -> Vec<Position> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nseed`
[INFO] [stderr]    --> src/dictionary.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn nseed(&self, initial: &Vec<char>) -> Option<NodeIndex> {        
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nrseed`
[INFO] [stderr]    --> src/dictionary.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn nrseed(&self, initial: &Vec<char>) -> Option<NodeIndex> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const WHITE: RGBA = RGBA { red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0};
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `alph` should have an upper case name
[INFO] [stderr]   --> src/utils.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub static alph: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ?";
[INFO] [stderr]    |            ^^^^ help: convert the identifier to upper case: `ALPH`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with`
[INFO] [stderr]   --> src/bag.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn with(order: &Vec<char>) -> Bag {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_str`
[INFO] [stderr]   --> src/utils.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn to_str(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cmp`
[INFO] [stderr]    --> src/utils.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn cmp(x: &&Move, y: &&Move) -> Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/board.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_move_cloned`
[INFO] [stderr]    --> src/board.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn place_move_cloned(&mut self, m: &Move) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `anchors`
[INFO] [stderr]    --> src/board.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn anchors(&self) -> Vec<Position> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nseed`
[INFO] [stderr]    --> src/dictionary.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn nseed(&self, initial: &Vec<char>) -> Option<NodeIndex> {        
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nrseed`
[INFO] [stderr]    --> src/dictionary.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn nrseed(&self, initial: &Vec<char>) -> Option<NodeIndex> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const WHITE: RGBA = RGBA { red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0};
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `alph` should have an upper case name
[INFO] [stderr]   --> src/utils.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub static alph: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ?";
[INFO] [stderr]    |            ^^^^ help: convert the identifier to upper case: `ALPH`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "ebcf008d65a87f81b0751f551efbfb8f2c03285a3ff572d4ad0261d7c51c57f1"`
[INFO] running `"docker" "rm" "-f" "ebcf008d65a87f81b0751f551efbfb8f2c03285a3ff572d4ad0261d7c51c57f1"`
[INFO] [stdout] ebcf008d65a87f81b0751f551efbfb8f2c03285a3ff572d4ad0261d7c51c57f1