[INFO] cloning repository https://github.com/ca1ek/glyph-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ca1ek/glyph-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fglyph-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fglyph-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e12463a21ab21a623d5b2334d11b26abb3e4a6aa
[INFO] checking ca1ek/glyph-core against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fglyph-core" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ca1ek/glyph-core on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ca1ek/glyph-core
[INFO] finished tweaking git repo https://github.com/ca1ek/glyph-core
[INFO] tweaked toml for git repo https://github.com/ca1ek/glyph-core written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ca1ek/glyph-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-4/source/src/bin/plug_load.rs
[INFO] [stderr] * /workspace/builds/worker-4/source/src/bin/frontend.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94a5f0d3ab9345a6708325444b4d259bcb84cce73e264757184b3c665d1a383d
[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" "94a5f0d3ab9345a6708325444b4d259bcb84cce73e264757184b3c665d1a383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a5f0d3ab9345a6708325444b4d259bcb84cce73e264757184b3c665d1a383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a5f0d3ab9345a6708325444b4d259bcb84cce73e264757184b3c665d1a383d", kill_on_drop: false }`
[INFO] [stdout] 94a5f0d3ab9345a6708325444b4d259bcb84cce73e264757184b3c665d1a383d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cc57ce31233014622356069db6dae4f7e7d58d9fb6b694ae67c3f2c49fa65a
[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" "51cc57ce31233014622356069db6dae4f7e7d58d9fb6b694ae67c3f2c49fa65a", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/plug_load.rs
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/frontend.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking termion v1.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking toml v0.4.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/lib/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Stdout`
[INFO] [stdout]  --> src/lib/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lib/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion`
[INFO] [stdout]  --> src/lib/text.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `View`
[INFO] [stdout]  --> src/lib/register.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use View;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/lib/register.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/lib/buffer.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub major_mode: Arc<Box<MajorMode>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:179:34
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub minor_modes: Vec<Arc<Box<MinorMode>>>, // UNIMPLEMENTED
[INFO] [stdout]     |                                  ^^^^^^^^^ help: use `dyn`: `dyn MinorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:195:64
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(name: &str, w: u32, h: u32, n: usize, mode: Box<MajorMode>) -> Self {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/lib/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/buffer.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let x = (self.x as i32 + x);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Stdout`
[INFO] [stdout]  --> src/lib/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/buffer.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let y = (self.y as i32 + y);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lib/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/lib/view.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{ HashMap, VecDeque };
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion`
[INFO] [stdout]  --> src/lib/text.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/lib/view.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `View`
[INFO] [stdout]  --> src/lib/register.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use View;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/view.rs:43:72
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_buffer(&mut self, name: &str, w: u32, h: u32, mode: Box<MajorMode>) -> Arc<Mutex<Buffer>> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion`
[INFO] [stdout]  --> src/lib/mode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use termion;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buffer::cursor`
[INFO] [stdout]   --> src/lib/mode.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         use buffer::cursor;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/lib/register.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/lib/mode.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::io::Write;
[INFO] [stdout]    |     -------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/lib/buffer.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub major_mode: Arc<Box<MajorMode>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:179:34
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub minor_modes: Vec<Arc<Box<MinorMode>>>, // UNIMPLEMENTED
[INFO] [stdout]     |                                  ^^^^^^^^^ help: use `dyn`: `dyn MinorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/buffer.rs:195:64
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(name: &str, w: u32, h: u32, n: usize, mode: Box<MajorMode>) -> Self {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/buffer.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let x = (self.x as i32 + x);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib/buffer.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let y = (self.y as i32 + y);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/lib/view.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{ HashMap, VecDeque };
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/lib/view.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/view.rs:43:72
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_buffer(&mut self, name: &str, w: u32, h: u32, mode: Box<MajorMode>) -> Arc<Mutex<Buffer>> {
[INFO] [stdout]    |                                                                        ^^^^^^^^^ help: use `dyn`: `dyn MajorMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion`
[INFO] [stdout]  --> src/lib/mode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use termion;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buffer::cursor`
[INFO] [stdout]   --> src/lib/mode.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         use buffer::cursor;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/lib/mode.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::io::Write;
[INFO] [stdout]    |     -------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 15 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lib/mode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l_str`
[INFO] [stdout]    --> src/lib/buffer.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let l_str = l.clone().chars.iter().map(|fmt_c| fmt_c.raw()).collect::<String>();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_l_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib/view.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let (w, h) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/lib/mode.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (cx, cy) = buf.text.get_cursor();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cy`
[INFO] [stdout]   --> src/lib/mode.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (cx, cy) = buf.text.get_cursor();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_cy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/lib/mode.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn event(&self, buf: &mut Buffer, e: Event) -> Option<Event> {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/lib/mode.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn redraw(&self, buf: &Buffer, in_string: String) -> String {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lib/mode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l_str`
[INFO] [stdout]    --> src/lib/buffer.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let l_str = l.clone().chars.iter().map(|fmt_c| fmt_c.raw()).collect::<String>();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_l_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib/view.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let (w, h) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/lib/mode.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (cx, cy) = buf.text.get_cursor();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cy`
[INFO] [stdout]   --> src/lib/mode.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (cx, cy) = buf.text.get_cursor();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_cy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/lib/mode.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn event(&self, buf: &mut Buffer, e: Event) -> Option<Event> {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/lib/mode.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn redraw(&self, buf: &Buffer, in_string: String) -> String {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/view.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut buffer = buffer.lock().unwrap();
[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: field is never read: `name`
[INFO] [stdout]    --> src/lib/buffer.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `border`
[INFO] [stdout]    --> src/lib/buffer.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub(crate) fn border(&self, stdout: &mut termion::raw::RawTerminal<Stdout>) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/lib/view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     w: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/lib/view.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     h: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buffer`
[INFO] [stdout]    --> src/lib/view.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn get_buffer(&mut self, n: usize) -> Option<Arc<Mutex<Buffer>>> {      
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/view.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut buffer = buffer.lock().unwrap();
[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: field is never read: `name`
[INFO] [stdout]    --> src/lib/buffer.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `border`
[INFO] [stdout]    --> src/lib/buffer.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub(crate) fn border(&self, stdout: &mut termion::raw::RawTerminal<Stdout>) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/lib/view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     w: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/lib/view.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     h: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buffer`
[INFO] [stdout]    --> src/lib/view.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn get_buffer(&mut self, n: usize) -> Option<Arc<Mutex<Buffer>>> {      
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 | /             write!(stdout, "{}{}", termion::cursor::Goto(self.x as u16 + 1, self.y as u16),
[INFO] [stdout] 225 | |                 termion::color::Bg(termion::color::Blue));
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:227:30
[INFO] [stdout]     |
[INFO] [stdout] 227 |             if self.active { write!(stdout, "{}!", self.n); } else { write!(stdout, "{} ", self.n); }
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:227:70
[INFO] [stdout]     |
[INFO] [stdout] 227 |             if self.active { write!(stdout, "{}!", self.n); } else { write!(stdout, "{} ", self.n); }
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 write!(stdout, "{}", self.name.chars().nth(i as usize).unwrap_or(' '));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             write!(stdout, "{}", termion::color::Bg(termion::color::Reset));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | /         write!(stdout, "{}{}", termion::cursor::Goto(self.x as u16 +1, self.y as u16 +1),
[INFO] [stdout] 240 | |                                termion::clear::All);
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         write!(stdout, "{}", rendered);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/view.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 | /                 write!(stdout, "{}{}", termion::cursor::Goto(buffer.x as u16 +1, buffer.y as u16 +1),
[INFO] [stdout] 89 | |                              termion::clear::All);
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             write!(stdout, "{}No tabs open.", termion::cursor::Goto(1, 1));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             write!(stdout, "{}{}{}", termion::cursor::Goto(1, h), termion::clear::CurrentLine, line);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 write!(stdout, "{}", termion::cursor::Goto(cx as u16 +1, cy as u16 +1));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     write!(out, "{}", c);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 write!(out, "\\\r\n");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 write!(out, "{}", c);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             write!(out, "\r\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     write!(out, "~\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 | /             write!(stdout, "{}{}", termion::cursor::Goto(self.x as u16 + 1, self.y as u16),
[INFO] [stdout] 225 | |                 termion::color::Bg(termion::color::Blue));
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:227:30
[INFO] [stdout]     |
[INFO] [stdout] 227 |             if self.active { write!(stdout, "{}!", self.n); } else { write!(stdout, "{} ", self.n); }
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:227:70
[INFO] [stdout]     |
[INFO] [stdout] 227 |             if self.active { write!(stdout, "{}!", self.n); } else { write!(stdout, "{} ", self.n); }
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 write!(stdout, "{}", self.name.chars().nth(i as usize).unwrap_or(' '));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             write!(stdout, "{}", termion::color::Bg(termion::color::Reset));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | /         write!(stdout, "{}{}", termion::cursor::Goto(self.x as u16 +1, self.y as u16 +1),
[INFO] [stdout] 240 | |                                termion::clear::All);
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/buffer.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         write!(stdout, "{}", rendered);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/view.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 | /                 write!(stdout, "{}{}", termion::cursor::Goto(buffer.x as u16 +1, buffer.y as u16 +1),
[INFO] [stdout] 89 | |                              termion::clear::All);
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             write!(stdout, "{}No tabs open.", termion::cursor::Goto(1, 1));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             write!(stdout, "{}{}{}", termion::cursor::Goto(1, h), termion::clear::CurrentLine, line);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 write!(stdout, "{}", termion::cursor::Goto(cx as u16 +1, cy as u16 +1));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib/view.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     write!(out, "{}", c);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 write!(out, "\\\r\n");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 write!(out, "{}", c);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             write!(out, "\r\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/mode.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     write!(out, "~\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/bin/bin.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]    |                  ^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/bin/bin.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]   --> src/bin/bin.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/bin/bin.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{ Write, stdout };
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/bin/bin.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proto`
[INFO] [stdout]   --> src/bin/bin.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use editorlib::{ proto, View }; 
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/bin/plug_load.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `editorlib::View`
[INFO] [stdout]   --> src/bin/plug_load.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use editorlib::View; 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/bin/frontend.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{ Stdout, stdout };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/bin/frontend.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | use editorlib::proto::{ DocumentedCommand, Command };
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `editorlib::mode`
[INFO] [stdout]   --> src/bin/frontend.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use editorlib::mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stdout]   --> src/bin/frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use termion::raw::IntoRawMode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::Events`
[INFO] [stdout]   --> src/bin/frontend.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use termion::input::Events;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Key`
[INFO] [stdout]    --> src/bin/frontend.rs:343:35
[INFO] [stdout]     |
[INFO] [stdout] 343 |             use termion::event::{ Event, Key };
[INFO] [stdout]     |                                   ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/bin/bin.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]    |                  ^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/bin/bin.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]   --> src/bin/bin.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/bin/bin.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{ Write, stdout };
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/bin/bin.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proto`
[INFO] [stdout]   --> src/bin/bin.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use editorlib::{ proto, View }; 
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/bin/plug_load.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{ Arc, Mutex };
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `editorlib::View`
[INFO] [stdout]   --> src/bin/plug_load.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use editorlib::View; 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/bin/frontend.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{ Stdout, stdout };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/bin/frontend.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | use editorlib::proto::{ DocumentedCommand, Command };
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `editorlib::mode`
[INFO] [stdout]   --> src/bin/frontend.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use editorlib::mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stdout]   --> src/bin/frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use termion::raw::IntoRawMode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::Events`
[INFO] [stdout]   --> src/bin/frontend.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use termion::input::Events;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Key`
[INFO] [stdout]    --> src/bin/frontend.rs:343:35
[INFO] [stdout]     |
[INFO] [stdout] 343 |             use termion::event::{ Event, Key };
[INFO] [stdout]     |                                   ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `view`
[INFO] [stdout]   --> src/bin/bin.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let view = View::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_view`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_prefix`
[INFO] [stdout]    --> src/bin/frontend.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let in_prefix = cmd.next().unwrap_or("");
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_cmd`
[INFO] [stdout]    --> src/bin/frontend.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let in_cmd = cmd.next().unwrap_or("");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/bin/frontend.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let prefix = cmd.next().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/bin/frontend.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             let cmd = cmd.next().unwrap();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how_many`
[INFO] [stdout]    --> src/bin/frontend.rs:138:48
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn command_predict(&self, input: &str, how_many: usize) -> Vec<(usize, String)> {
[INFO] [stdout]     |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_how_many`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/bin/frontend.rs:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 ref mut stdout,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: try ignoring the field: `stdout: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_queue`
[INFO] [stdout]    --> src/bin/frontend.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut event_queue: Vec<editorlib::Event> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/bin.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut stdin = termion::async_stdin();
[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/bin/bin.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut stdout = stdout().into_raw_mode().unwrap();
[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/bin/bin.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut display = frontend::Display::new(stdout, stdin, plugins);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `view`
[INFO] [stdout]   --> src/bin/bin.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let view = View::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_view`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_prefix`
[INFO] [stdout]    --> src/bin/frontend.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let in_prefix = cmd.next().unwrap_or("");
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_cmd`
[INFO] [stdout]    --> src/bin/frontend.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let in_cmd = cmd.next().unwrap_or("");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/bin/frontend.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let prefix = cmd.next().unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/bin/frontend.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             let cmd = cmd.next().unwrap();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how_many`
[INFO] [stdout]    --> src/bin/frontend.rs:138:48
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn command_predict(&self, input: &str, how_many: usize) -> Vec<(usize, String)> {
[INFO] [stdout]     |                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_how_many`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/bin/frontend.rs:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 ref mut stdout,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: try ignoring the field: `stdout: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_queue`
[INFO] [stdout]    --> src/bin/frontend.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut event_queue: Vec<editorlib::Event> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/bin.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut stdin = termion::async_stdin();
[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/bin/bin.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut stdout = stdout().into_raw_mode().unwrap();
[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/bin/bin.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut display = frontend::Display::new(stdout, stdin, plugins);
[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/bin/frontend.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let mut view = self.view.lock().unwrap();
[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/bin/frontend.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let mut buffer = buffer.lock().unwrap();
[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/bin/frontend.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let mut view = self.view.lock().unwrap();
[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/bin/frontend.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let mut buffer = buffer.lock().unwrap();
[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/bin/frontend.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let mut active = active.lock().unwrap();
[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/bin/frontend.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let mut active = active.lock().unwrap();
[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/bin/frontend.rs:338:16
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn run(mut self) {
[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/bin/frontend.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut event_queue: Vec<editorlib::Event> = Vec::new();
[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/bin/frontend.rs:338:16
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn run(mut self) {
[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/bin/frontend.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut event_queue: Vec<editorlib::Event> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/plug_load.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     cargo_file.read_to_string(&mut cargo_toml);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   self.stdout.flush();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   self.stdout.flush();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         self.stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             write!(self.stdout, "{}{}cmd: {}", termion::clear::All, termion::cursor::Goto(1, 1), command);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             write!(self.stdout, "{}", termion::cursor::Goto(1, 2));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 write!(self.stdout, "{}: {} - {}\r\n", probability, cmd, doc);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             self.stdout.flush();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             this.stdout.flush();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/plug_load.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     cargo_file.read_to_string(&mut cargo_toml);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   self.stdout.flush();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   self.stdout.flush();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         self.stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             write!(self.stdout, "{}{}cmd: {}", termion::clear::All, termion::cursor::Goto(1, 1), command);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             write!(self.stdout, "{}", termion::cursor::Goto(1, 2));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 write!(self.stdout, "{}: {} - {}\r\n", probability, cmd, doc);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             self.stdout.flush();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.stdout.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/frontend.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             this.stdout.flush();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.09s
[INFO] running `Command { std: "docker" "inspect" "51cc57ce31233014622356069db6dae4f7e7d58d9fb6b694ae67c3f2c49fa65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cc57ce31233014622356069db6dae4f7e7d58d9fb6b694ae67c3f2c49fa65a", kill_on_drop: false }`
[INFO] [stdout] 51cc57ce31233014622356069db6dae4f7e7d58d9fb6b694ae67c3f2c49fa65a