[INFO] cloning repository https://github.com/michel4ngel0/show_and_tell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michel4ngel0/show_and_tell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichel4ngel0%2Fshow_and_tell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichel4ngel0%2Fshow_and_tell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2425d94b235785e0e698cdac5509d68a9661eda7
[INFO] checking michel4ngel0/show_and_tell against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichel4ngel0%2Fshow_and_tell" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michel4ngel0/show_and_tell on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michel4ngel0/show_and_tell
[INFO] finished tweaking git repo https://github.com/michel4ngel0/show_and_tell
[INFO] tweaked toml for git repo https://github.com/michel4ngel0/show_and_tell written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/michel4ngel0/show_and_tell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29eeb2f3f8f72a5e363ab7b420292f993f29fbc6a6bb4a2b80fcab7beb3a316
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b29eeb2f3f8f72a5e363ab7b420292f993f29fbc6a6bb4a2b80fcab7beb3a316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29eeb2f3f8f72a5e363ab7b420292f993f29fbc6a6bb4a2b80fcab7beb3a316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29eeb2f3f8f72a5e363ab7b420292f993f29fbc6a6bb4a2b80fcab7beb3a316", kill_on_drop: false }`
[INFO] [stdout] b29eeb2f3f8f72a5e363ab7b420292f993f29fbc6a6bb4a2b80fcab7beb3a316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 245142a45a771407b23f8d8aac633297d2c698fd420838fbfe72c1639aba47f3
[INFO] running `Command { std: "docker" "start" "-a" "245142a45a771407b23f8d8aac633297d2c698fd420838fbfe72c1639aba47f3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]     Checking lazy_static v0.2.5
[INFO] [stderr]    Compiling khronos_api v1.0.0
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[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking deflate v0.7.5
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking num_cpus v1.3.0
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[INFO] [stderr]    Compiling phf_codegen v0.7.21
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[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking memmap v0.4.0
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking show_and_tell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/visualization/camera.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]    --> src/visualization/core.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/visualization/camera.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]    --> src/visualization/core.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_now`
[INFO] [stdout]   --> src/server/core.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let time_now = Instant::now();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/visualization/camera.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_left_pressed` is assigned to, but never used
[INFO] [stdout]   --> src/visualization/core.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut is_left_pressed   = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_left_pressed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_middle_pressed` is assigned to, but never used
[INFO] [stdout]   --> src/visualization/core.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut is_middle_pressed = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_middle_pressed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `window_x` is never read
[INFO] [stdout]    --> src/visualization/core.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         window_x = x;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_left_pressed` is never read
[INFO] [stdout]    --> src/visualization/core.rs:134:39
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   Left   => is_left_pressed   = value,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_middle_pressed` is never read
[INFO] [stdout]    --> src/visualization/core.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   Middle => is_middle_pressed = value,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_pos` is never read
[INFO] [stdout]    --> src/visualization/render.rs:485:21
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 let mut x_pos = 0.0;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_now`
[INFO] [stdout]   --> src/server/core.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let time_now = Instant::now();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/visualization/camera.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_left_pressed` is assigned to, but never used
[INFO] [stdout]   --> src/visualization/core.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut is_left_pressed   = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_left_pressed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_middle_pressed` is assigned to, but never used
[INFO] [stdout]   --> src/visualization/core.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut is_middle_pressed = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_is_middle_pressed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `window_x` is never read
[INFO] [stdout]    --> src/visualization/core.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         window_x = x;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_left_pressed` is never read
[INFO] [stdout]    --> src/visualization/core.rs:134:39
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   Left   => is_left_pressed   = value,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_middle_pressed` is never read
[INFO] [stdout]    --> src/visualization/core.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   Middle => is_middle_pressed = value,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_pos` is never read
[INFO] [stdout]    --> src/visualization/render.rs:485:21
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 let mut x_pos = 0.0;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/visualization/camera.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = if height <= 10.0 { 1.0 } else { 0.1 * (height - 10.0) + 1.0 };
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/visualization/camera.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut result = if height <= 10.0 { 1.0 } else { 0.1 * (height - 10.0) + 1.0 };
[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: variable does not need to be mutable
[INFO] [stdout]     --> src/visualization/render.rs:1053:9
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     for mut byte in text.into_bytes() {
[INFO] [stdout]      |         ----^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_around`
[INFO] [stdout]   --> src/visualization/camera.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_file`
[INFO] [stdout]   --> src/visualization/configuration.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     config_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:260:89
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:261:89
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 gl::BindFragDataLocation(program, 1, CString::new("out_index").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:265:56
[INFO] [stdout]     |
[INFO] [stdout] 265 |                     CString::new("v_pos_xyz").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:273:62
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     CString::new("u_texture_bound").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:277:54
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     CString::new("u_model").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:281:66
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     CString::new("u_camera_projection").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:285:56
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     CString::new("u_texture").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:289:54
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     CString::new("u_color").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:293:51
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     CString::new("u_id").unwrap().as_ptr()
[INFO] [stdout]     |                     ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:297:68
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     CString::new("u_selection_highlight").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:431:89
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:435:55
[INFO] [stdout]     |
[INFO] [stdout] 435 |                     CString::new("v_pos_xy").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:439:55
[INFO] [stdout]     |
[INFO] [stdout] 439 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:446:60
[INFO] [stdout]     |
[INFO] [stdout] 446 |                     CString::new("u_font_bitmap").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:453:58
[INFO] [stdout]     |
[INFO] [stdout] 453 |                     CString::new("u_transform").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:457:52
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     CString::new("tex_u").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:461:52
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     CString::new("tex_v").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:544:89
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:548:55
[INFO] [stdout]     |
[INFO] [stdout] 548 |                     CString::new("v_pos_xy").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:552:55
[INFO] [stdout]     |
[INFO] [stdout] 552 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:559:63
[INFO] [stdout]     |
[INFO] [stdout] 559 |                     CString::new("u_rendered_scene").unwrap().as_ptr()
[INFO] [stdout]     |                     ----------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/visualization/render.rs:1053:9
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     for mut byte in text.into_bytes() {
[INFO] [stdout]      |         ----^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_around`
[INFO] [stdout]   --> src/visualization/camera.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_file`
[INFO] [stdout]   --> src/visualization/configuration.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     config_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:260:89
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:261:89
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 gl::BindFragDataLocation(program, 1, CString::new("out_index").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:265:56
[INFO] [stdout]     |
[INFO] [stdout] 265 |                     CString::new("v_pos_xyz").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:273:62
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     CString::new("u_texture_bound").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:277:54
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     CString::new("u_model").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:281:66
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     CString::new("u_camera_projection").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:285:56
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     CString::new("u_texture").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:289:54
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     CString::new("u_color").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:293:51
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     CString::new("u_id").unwrap().as_ptr()
[INFO] [stdout]     |                     ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:297:68
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     CString::new("u_selection_highlight").unwrap().as_ptr()
[INFO] [stdout]     |                     ---------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:431:89
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:435:55
[INFO] [stdout]     |
[INFO] [stdout] 435 |                     CString::new("v_pos_xy").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:439:55
[INFO] [stdout]     |
[INFO] [stdout] 439 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:446:60
[INFO] [stdout]     |
[INFO] [stdout] 446 |                     CString::new("u_font_bitmap").unwrap().as_ptr()
[INFO] [stdout]     |                     -------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:453:58
[INFO] [stdout]     |
[INFO] [stdout] 453 |                     CString::new("u_transform").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:457:52
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     CString::new("tex_u").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:461:52
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     CString::new("tex_v").unwrap().as_ptr()
[INFO] [stdout]     |                     ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:544:89
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 gl::BindFragDataLocation(program, 0, CString::new("out_color").unwrap().as_ptr());
[INFO] [stdout]     |                                                      ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:548:55
[INFO] [stdout]     |
[INFO] [stdout] 548 |                     CString::new("v_pos_xy").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:552:55
[INFO] [stdout]     |
[INFO] [stdout] 552 |                     CString::new("v_tex_uv").unwrap().as_ptr()
[INFO] [stdout]     |                     --------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/visualization/render.rs:559:63
[INFO] [stdout]     |
[INFO] [stdout] 559 |                     CString::new("u_rendered_scene").unwrap().as_ptr()
[INFO] [stdout]     |                     ----------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:17:47
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(error)  => Err(String::from(error.description())),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:17:47
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(error)  => Err(String::from(error.description())),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "245142a45a771407b23f8d8aac633297d2c698fd420838fbfe72c1639aba47f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245142a45a771407b23f8d8aac633297d2c698fd420838fbfe72c1639aba47f3", kill_on_drop: false }`
[INFO] [stdout] 245142a45a771407b23f8d8aac633297d2c698fd420838fbfe72c1639aba47f3