[INFO] cloning repository https://github.com/potzko/square_root_walk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/potzko/square_root_walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotzko%2Fsquare_root_walk", kill_on_drop: false }`
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[INFO] checking potzko/square_root_walk against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotzko%2Fsquare_root_walk" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/potzko/square_root_walk
[INFO] finished tweaking git repo https://github.com/potzko/square_root_walk
[INFO] tweaked toml for git repo https://github.com/potzko/square_root_walk written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/potzko/square_root_walk on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/potzko/square_root_walk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 7adfeacd4d7828276ba6b96f545bc5d79d1e6a7c622721fec6b3c85e3a09fb15
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[INFO] [stderr]     Checking square_root_walk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solutions/naive.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_walk_length(mut num: f64) -> usize {
[INFO] [stdout]   |                    ----^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark_square_root_walk` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn benchmark_square_root_walk(walks: &[(usize, usize)]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mappings_depth_to_vals`, `mappings_val_to_depth`, and `last_grouping` are never read
[INFO] [stdout]  --> src/solutions/gen_multi_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     mappings_depth_to_vals: Vec<Vec<usize>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     last_grouping: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn get(&mut self, base: usize, ind: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]  --> src/solutions/naive.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_walk_length` is never used
[INFO] [stdout]  --> src/solutions/naive.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_walk_length(mut num: f64) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mappings_depth_to_vals`, `mappings_val_to_depth`, and `ind` are never read
[INFO] [stdout]  --> src/solutions/naive_multy_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     mappings_depth_to_vals: Vec<Vec<usize>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     ind: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn get(&mut self, base: usize, ind: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mappings_val_to_depth` is never read
[INFO] [stdout]  --> src/solutions/naive_single_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 5 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 8  |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get(&mut self, val: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solutions/naive.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_walk_length(mut num: f64) -> usize {
[INFO] [stdout]   |                    ----^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark_square_root_walk` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn benchmark_square_root_walk(walks: &[(usize, usize)]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mappings_depth_to_vals`, `mappings_val_to_depth`, and `last_grouping` are never read
[INFO] [stdout]  --> src/solutions/gen_multi_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     mappings_depth_to_vals: Vec<Vec<usize>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     last_grouping: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn get(&mut self, base: usize, ind: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/gen_multi_cache.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]  --> src/solutions/naive.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_walk_length` is never used
[INFO] [stdout]  --> src/solutions/naive.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_walk_length(mut num: f64) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mappings_depth_to_vals`, `mappings_val_to_depth`, and `ind` are never read
[INFO] [stdout]  --> src/solutions/naive_multy_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     mappings_depth_to_vals: Vec<Vec<usize>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     ind: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn get(&mut self, base: usize, ind: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/naive_multy_cache.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mappings_val_to_depth` is never read
[INFO] [stdout]  --> src/solutions/naive_single_cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 5 |     mappings_val_to_depth: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 8  |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn push(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get(&mut self, val: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_state` is never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_state() -> &'static Mutex<State> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterGroup` is never constructed
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct IterGroup {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_root_walk` is never used
[INFO] [stdout]   --> src/solutions/naive_single_cache.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn square_root_walk(base: usize) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 28.21s
[INFO] running `Command { std: "docker" "inspect" "7adfeacd4d7828276ba6b96f545bc5d79d1e6a7c622721fec6b3c85e3a09fb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adfeacd4d7828276ba6b96f545bc5d79d1e6a7c622721fec6b3c85e3a09fb15", kill_on_drop: false }`
[INFO] [stdout] 7adfeacd4d7828276ba6b96f545bc5d79d1e6a7c622721fec6b3c85e3a09fb15
