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[INFO] [stdout] warning: `Perlin` is ambiguous
[INFO] [stdout]  --> src/terrain2/island.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use nannou::noise::Perlin;
[INFO] [stdout]   |                        ^^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]   = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Perlin` could refer to the struct defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Perlin {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: consider updating this dependency to resolve this error
[INFO] [stdout]   = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `Perlin` could also refer to the struct defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin_surflet.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Perlin {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Perlin` is ambiguous
[INFO] [stdout]   --> src/terrain2/island.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let perlin = Perlin::new().set_seed(seed);
[INFO] [stdout]    |                      ^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Perlin` could refer to the struct defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Perlin {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider updating this dependency to resolve this error
[INFO] [stdout]    = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `Perlin` could also refer to the struct defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin_surflet.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Perlin {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph2::graph2::Corner`
[INFO] [stdout]  --> src/renderer2.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use crate::graph2::graph2::Corner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph2::graph2::Edge`
[INFO] [stdout]  --> src/renderer2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use crate::graph2::graph2::Edge;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Edge` and `corner_distance2`
[INFO] [stdout]  --> src/terrain2/edge_detail.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |         graph2::graph2::{Edge, Graph},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 7 |         helpers::helpers::{corner_distance2, position_midpoint},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Corner` and `Edge`
[INFO] [stdout]  --> src/terrain2/elevation.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::graph2::graph2::{Cell, Corner, Edge, Graph};
[INFO] [stdout]   |                                       ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cell` and `corner_distance`
[INFO] [stdout]  --> src/terrain2/rivers.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |         graph2::graph2::{Cell, Corner, Edge, Graph},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 8 |         helpers::helpers::{corner_distance, corner_distance2},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/terrain2.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use std::time::Instant;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Perlin` is ambiguous
[INFO] [stdout]  --> src/terrain2/island.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use nannou::noise::Perlin;
[INFO] [stdout]   |                        ^^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]   = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Perlin` could refer to the struct defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Perlin {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: consider updating this dependency to resolve this error
[INFO] [stdout]   = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `Perlin` could also refer to the struct defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin_surflet.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Perlin {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Perlin` is ambiguous
[INFO] [stdout]   --> src/terrain2/island.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let perlin = Perlin::new().set_seed(seed);
[INFO] [stdout]    |                      ^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Perlin` could refer to the struct defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Perlin {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider updating this dependency to resolve this error
[INFO] [stdout]    = help: if updating the dependency does not resolve the problem report the problem to the author of the relevant crate
[INFO] [stdout] note: `Perlin` could also refer to the struct defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/noise-0.7.0/src/noise_fns/generators/perlin_surflet.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Perlin {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph2::graph2::Corner`
[INFO] [stdout]  --> src/renderer2.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use crate::graph2::graph2::Corner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph2::graph2::Edge`
[INFO] [stdout]  --> src/renderer2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use crate::graph2::graph2::Edge;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Edge` and `corner_distance2`
[INFO] [stdout]  --> src/terrain2/edge_detail.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |         graph2::graph2::{Edge, Graph},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 7 |         helpers::helpers::{corner_distance2, position_midpoint},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_id`
[INFO] [stdout]   --> src/terrain2/biome.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for (edge_id, edge) in &graph.edges {
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Corner` and `Edge`
[INFO] [stdout]  --> src/terrain2/elevation.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::graph2::graph2::{Cell, Corner, Edge, Graph};
[INFO] [stdout]   |                                       ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cell` and `corner_distance`
[INFO] [stdout]  --> src/terrain2/rivers.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |         graph2::graph2::{Cell, Corner, Edge, Graph},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 8 |         helpers::helpers::{corner_distance, corner_distance2},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/terrain2.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use std::time::Instant;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut output = points.clone();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut output = points.clone();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `border_cells`
[INFO] [stdout]    --> src/terrain2/edge_detail.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let border_cells = find_border_cell_ids(&graph_clone);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_border_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terrain2/island.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut graph_clone = graph.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/terrain2/island.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut cell = graph.cells.get_mut(cell_id).unwrap();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `displace_points` is never used
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn displace_points(points: Vec<(f32, f32)>, limit: f32) -> Vec<(f32, f32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `displace_midpoints_in_place` is never used
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn displace_midpoints_in_place(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     drop(corner_mut);
[INFO] [stdout]     |                     ^^^^^----------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 194 -                     drop(corner_mut);
[INFO] [stdout] 194 +                     let _ = corner_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     drop(existing_edge);
[INFO] [stdout]     |                     ^^^^^-------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<&graph::graph::Edge>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 242 -                     drop(existing_edge);
[INFO] [stdout] 242 +                     let _ = existing_edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     drop(existing_edge_mut);
[INFO] [stdout]     |                     ^^^^^-----------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 245 -                     drop(existing_edge_mut);
[INFO] [stdout] 245 +                     let _ = existing_edge_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     drop(existing_edge);
[INFO] [stdout]     |                     ^^^^^-------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<&graph::graph::Edge>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 247 -                     drop(existing_edge);
[INFO] [stdout] 247 +                     let _ = existing_edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     drop(new_edge_corners);
[INFO] [stdout]     |                     ^^^^^----------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `(&graph::graph::Corner, &graph::graph::Corner)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 249 -                     drop(new_edge_corners);
[INFO] [stdout] 249 +                     let _ = new_edge_corners;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:275:21
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     drop(corner_1);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 275 -                     drop(corner_1);
[INFO] [stdout] 275 +                     let _ = corner_1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     drop(corner_2);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 279 -                     drop(corner_2);
[INFO] [stdout] 279 +                     let _ = corner_2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph::graph::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 300 -             drop(cell);
[INFO] [stdout] 300 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 drop(edge);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut graph2::graph2::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 408 -                 drop(edge);
[INFO] [stdout] 408 +                 let _ = edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             drop(corner_1);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 415 -             drop(corner_1);
[INFO] [stdout] 415 +             let _ = corner_1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:418:13
[INFO] [stdout]     |
[INFO] [stdout] 418 |             drop(corner_2);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 418 -             drop(corner_2);
[INFO] [stdout] 418 +             let _ = corner_2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/biome.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 drop(cell);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 drop(cell);
[INFO] [stdout] 68 +                 let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/biome.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 132 -             drop(cell);
[INFO] [stdout] 132 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/edge_detail.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |             drop(edge_mut);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 126 -             drop(edge_mut);
[INFO] [stdout] 126 +             let _ = edge_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/elevation.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             drop(corner_mut);
[INFO] [stdout]    |             ^^^^^----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 83 -             drop(corner_mut);
[INFO] [stdout] 83 +             let _ = corner_mut;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/elevation.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             drop(corner_mut);
[INFO] [stdout]    |             ^^^^^----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -             drop(corner_mut);
[INFO] [stdout] 99 +             let _ = corner_mut;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 drop(cell);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 drop(cell);
[INFO] [stdout] 59 +                 let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     drop(cell);
[INFO] [stdout]    |                     ^^^^^----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 79 -                     drop(cell);
[INFO] [stdout] 79 +                     let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     drop(cell);
[INFO] [stdout]    |                     ^^^^^----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     drop(cell);
[INFO] [stdout] 82 +                     let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/island.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             drop(cell_mut);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 109 -             drop(cell_mut);
[INFO] [stdout] 109 +             let _ = cell_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/island.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 128 -             drop(cell);
[INFO] [stdout] 128 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Uuid` instead of cloning the inner type
[INFO] [stdout]   --> src/terrain2/rivers.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             .map(|id| (id.clone(), graph.edges.get(id).unwrap()))
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Uuid` instead of cloning the inner type
[INFO] [stdout]   --> src/terrain2/rivers.rs:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut working_edge_id = *edge_id.clone();
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_id`
[INFO] [stdout]   --> src/terrain2/biome.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for (edge_id, edge) in &graph.edges {
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut output = points.clone();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut output = points.clone();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `border_cells`
[INFO] [stdout]    --> src/terrain2/edge_detail.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let border_cells = find_border_cell_ids(&graph_clone);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_border_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terrain2/island.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut graph_clone = graph.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/terrain2/island.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut cell = graph.cells.get_mut(cell_id).unwrap();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `displace_points` is never used
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn displace_points(points: Vec<(f32, f32)>, limit: f32) -> Vec<(f32, f32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `displace_midpoints_in_place` is never used
[INFO] [stdout]   --> src/terrain2/edge_detail.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn displace_midpoints_in_place(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     drop(corner_mut);
[INFO] [stdout]     |                     ^^^^^----------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 194 -                     drop(corner_mut);
[INFO] [stdout] 194 +                     let _ = corner_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     drop(existing_edge);
[INFO] [stdout]     |                     ^^^^^-------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<&graph::graph::Edge>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 242 -                     drop(existing_edge);
[INFO] [stdout] 242 +                     let _ = existing_edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     drop(existing_edge_mut);
[INFO] [stdout]     |                     ^^^^^-----------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 245 -                     drop(existing_edge_mut);
[INFO] [stdout] 245 +                     let _ = existing_edge_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     drop(existing_edge);
[INFO] [stdout]     |                     ^^^^^-------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `Option<&graph::graph::Edge>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 247 -                     drop(existing_edge);
[INFO] [stdout] 247 +                     let _ = existing_edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/graph.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     drop(new_edge_corners);
[INFO] [stdout]     |                     ^^^^^----------------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `(&graph::graph::Corner, &graph::graph::Corner)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 249 -                     drop(new_edge_corners);
[INFO] [stdout] 249 +                     let _ = new_edge_corners;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:275:21
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     drop(corner_1);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 275 -                     drop(corner_1);
[INFO] [stdout] 275 +                     let _ = corner_1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     drop(corner_2);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut graph::graph::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 279 -                     drop(corner_2);
[INFO] [stdout] 279 +                     let _ = corner_2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph::graph::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 300 -             drop(cell);
[INFO] [stdout] 300 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 drop(edge);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut graph2::graph2::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 408 -                 drop(edge);
[INFO] [stdout] 408 +                 let _ = edge;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             drop(corner_1);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 415 -             drop(corner_1);
[INFO] [stdout] 415 +             let _ = corner_1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/graph2.rs:418:13
[INFO] [stdout]     |
[INFO] [stdout] 418 |             drop(corner_2);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 418 -             drop(corner_2);
[INFO] [stdout] 418 +             let _ = corner_2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/biome.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 drop(cell);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 drop(cell);
[INFO] [stdout] 68 +                 let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/biome.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 132 -             drop(cell);
[INFO] [stdout] 132 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/edge_detail.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |             drop(edge_mut);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Edge`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 126 -             drop(edge_mut);
[INFO] [stdout] 126 +             let _ = edge_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/elevation.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             drop(corner_mut);
[INFO] [stdout]    |             ^^^^^----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 83 -             drop(corner_mut);
[INFO] [stdout] 83 +             let _ = corner_mut;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/elevation.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             drop(corner_mut);
[INFO] [stdout]    |             ^^^^^----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut graph2::graph2::Corner`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -             drop(corner_mut);
[INFO] [stdout] 99 +             let _ = corner_mut;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 drop(cell);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 drop(cell);
[INFO] [stdout] 59 +                 let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     drop(cell);
[INFO] [stdout]    |                     ^^^^^----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 79 -                     drop(cell);
[INFO] [stdout] 79 +                     let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/terrain2/island.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     drop(cell);
[INFO] [stdout]    |                     ^^^^^----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     drop(cell);
[INFO] [stdout] 82 +                     let _ = cell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/island.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             drop(cell_mut);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 109 -             drop(cell_mut);
[INFO] [stdout] 109 +             let _ = cell_mut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/terrain2/island.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             drop(cell);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut graph2::graph2::Cell`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 128 -             drop(cell);
[INFO] [stdout] 128 +             let _ = cell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Uuid` instead of cloning the inner type
[INFO] [stdout]   --> src/terrain2/rivers.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             .map(|id| (id.clone(), graph.edges.get(id).unwrap()))
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Uuid` instead of cloning the inner type
[INFO] [stdout]   --> src/terrain2/rivers.rs:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut working_edge_id = *edge_id.clone();
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: noise v0.7.0, voronoi-map-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "0759324e016213d9661c572120b5fd233b16fcd8e337bd05839e3e019bded5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0759324e016213d9661c572120b5fd233b16fcd8e337bd05839e3e019bded5bc", kill_on_drop: false }`
[INFO] [stdout] 0759324e016213d9661c572120b5fd233b16fcd8e337bd05839e3e019bded5bc
