[INFO] fetching crate sbyte 0.2.0...
[INFO] checking sbyte-0.2.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate sbyte 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sbyte 0.2.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbyte 0.2.0
[INFO] finished tweaking crates.io crate sbyte 0.2.0
[INFO] tweaked toml for crates.io crate sbyte 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate sbyte 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wrecked v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 7e8b0ab7d0a5ac2e09fe710598d99d01dfa03ca469e4dba98be73002b83e3cd0
[INFO] running `Command { std: "docker" "start" "-a" "7e8b0ab7d0a5ac2e09fe710598d99d01dfa03ca469e4dba98be73002b83e3cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8b0ab7d0a5ac2e09fe710598d99d01dfa03ca469e4dba98be73002b83e3cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8b0ab7d0a5ac2e09fe710598d99d01dfa03ca469e4dba98be73002b83e3cd0", kill_on_drop: false }`
[INFO] [stdout] 7e8b0ab7d0a5ac2e09fe710598d99d01dfa03ca469e4dba98be73002b83e3cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d1f6d325379d16bb2f957bbe334042be6cae1a316537b24607695732fd2552
[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" "16d1f6d325379d16bb2f957bbe334042be6cae1a316537b24607695732fd2552", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking wrecked v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking sbyte v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/sbyte_editor.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/sbyte_editor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/sbyte_editor.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{time, thread};
[INFO] [stdout]   |           ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/sbyte_editor.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sbyte_editor.rs:613:28
[INFO] [stdout]     |
[INFO] [stdout] 613 |                         if (hit.end() - hit.start() == 2) {
[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 method argument
[INFO] [stdout]    --> src/sbyte_editor.rs:655:56
[INFO] [stdout]     |
[INFO] [stdout] 655 | ...                   testn += 2_u32.pow((wildcard_indeces[j] as u32)) as usize;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/console_displayer.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{min, max};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/console_displayer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sbyte_editor::tests`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sbyte_editor::tests;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/sbyte_editor.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/sbyte_editor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/sbyte_editor.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{time, thread};
[INFO] [stdout]   |           ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/sbyte_editor.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/sbyte_editor.rs:613:28
[INFO] [stdout]     |
[INFO] [stdout] 613 |                         if (hit.end() - hit.start() == 2) {
[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 method argument
[INFO] [stdout]    --> src/sbyte_editor.rs:655:56
[INFO] [stdout]     |
[INFO] [stdout] 655 | ...                   testn += 2_u32.pow((wildcard_indeces[j] as u32)) as usize;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/console_displayer.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{min, max};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/console_displayer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sbyte_editor::tests`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sbyte_editor::tests;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/sbyte_editor.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 |             for j in *start..*end {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modded_string`
[INFO] [stdout]    --> src/sbyte_editor.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let mut modded_string: bool = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modded_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/sbyte_editor.rs:650:29
[INFO] [stdout]     |
[INFO] [stdout] 650 |                         for i in 0 .. 2_u32.pow(wildcard_indeces.len() as u32) as usize {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:677:21
[INFO] [stdout]     |
[INFO] [stdout] 677 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:709:21
[INFO] [stdout]     |
[INFO] [stdout] 709 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:738:21
[INFO] [stdout]     |
[INFO] [stdout] 738 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:753:17
[INFO] [stdout]     |
[INFO] [stdout] 753 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_cursor_length`
[INFO] [stdout]     --> src/input_interface.rs:1033:13
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         let mut new_cursor_length = self.backend.get_cursor_length();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_cursor_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/console_displayer.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (width, height) = rectmanager.get_rect_size(wrecked::TOP).unwrap();
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/console_displayer.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (width, height) = rectmanager.get_rect_size(wrecked::TOP).unwrap();
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vheight`
[INFO] [stdout]    --> src/console_displayer.rs:513:22
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let (vwidth, vheight) = sbyte_editor.get_viewport_size();
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vheight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/console_displayer.rs:767:17
[INFO] [stdout]     |
[INFO] [stdout] 767 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut frontend = FrontEnd::new();
[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/sbyte_editor.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let mut modded_string: bool = false;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/sbyte_editor.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 |             for j in *start..*end {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modded_string`
[INFO] [stdout]    --> src/sbyte_editor.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let mut modded_string: bool = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modded_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/sbyte_editor.rs:650:29
[INFO] [stdout]     |
[INFO] [stdout] 650 |                         for i in 0 .. 2_u32.pow(wildcard_indeces.len() as u32) as usize {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:677:21
[INFO] [stdout]     |
[INFO] [stdout] 677 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:709:21
[INFO] [stdout]     |
[INFO] [stdout] 709 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:738:21
[INFO] [stdout]     |
[INFO] [stdout] 738 |                 Err(e) => { }
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/sbyte_editor.rs:753:17
[INFO] [stdout]     |
[INFO] [stdout] 753 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_cursor_length`
[INFO] [stdout]     --> src/input_interface.rs:1033:13
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         let mut new_cursor_length = self.backend.get_cursor_length();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_cursor_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/console_displayer.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (width, height) = rectmanager.get_rect_size(wrecked::TOP).unwrap();
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/console_displayer.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let (width, height) = rectmanager.get_rect_size(wrecked::TOP).unwrap();
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vheight`
[INFO] [stdout]    --> src/console_displayer.rs:513:22
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let (vwidth, vheight) = sbyte_editor.get_viewport_size();
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vheight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/console_displayer.rs:767:17
[INFO] [stdout]     |
[INFO] [stdout] 767 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut frontend = FrontEnd::new();
[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/input_interface.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     let mut buffer = mutex.get_buffer();
[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/input_interface.rs:554:26
[INFO] [stdout]     |
[INFO] [stdout] 554 |                     Some(mut commandline) => {
[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/input_interface.rs:620:26
[INFO] [stdout]     |
[INFO] [stdout] 620 |                     Some(mut commandline) => {
[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/input_interface.rs:630:26
[INFO] [stdout]     |
[INFO] [stdout] 630 |                     Some(mut commandline) => {
[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/input_interface.rs:668:34
[INFO] [stdout]     |
[INFO] [stdout] 668 | ...                   Some(mut commandline) => {
[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/input_interface.rs:719:26
[INFO] [stdout]     |
[INFO] [stdout] 719 |                     Some(mut commandline) => {
[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/input_interface.rs:892:13
[INFO] [stdout]     |
[INFO] [stdout] 892 |         let mut screensize = self.frontend.size();
[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/input_interface.rs:1032:13
[INFO] [stdout]      |
[INFO] [stdout] 1032 |         let mut next_offset = current_offset;
[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/input_interface.rs:1033:13
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         let mut new_cursor_length = self.backend.get_cursor_length();
[INFO] [stdout]      |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.backend` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/input_interface.rs:1304:33
[INFO] [stdout]      |
[INFO] [stdout] 1302 |                         match self.backend.get_active_file_path() {
[INFO] [stdout]      |                               ------------ immutable borrow occurs here
[INFO] [stdout] 1303 |                             Some(file_path) => {
[INFO] [stdout] 1304 |                                 self.backend.set_user_msg(&format!("Saved to file: {}", file_path));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^ mutable borrow occurs here                 --------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sbyte_editor.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let mut modded_string: bool = false;
[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/console_displayer.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |         let mut active_content = sbyte_editor.get_active_content();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_string`
[INFO] [stdout]   --> src/sbyte_editor/converter.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn decode_string(&self, string: String) -> Result<Vec<u8>, ConverterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `register`
[INFO] [stdout]   --> src/sbyte_editor.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     register: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_input_context`
[INFO] [stdout]   --> src/sbyte_editor.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     flag_input_context: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_input_sequences`
[INFO] [stdout]   --> src/sbyte_editor.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     new_input_sequences: Vec<(String, String, String)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace`
[INFO] [stdout]    --> src/sbyte_editor.rs:498:8
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn replace(&mut self, search_for: &str, replace_with: Vec<u8>) -> Result<(), SbyteError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input`
[INFO] [stdout]    --> src/input_interface.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn input(&mut self, new_input: u8) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_input_context`
[INFO] [stdout]    --> src/input_interface.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     flag_input_context: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lower_flag`
[INFO] [stdout]    --> src/console_displayer.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn lower_flag(&mut self, key: Flag) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/input_interface.rs:422:25
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     let mut buffer = mutex.get_buffer();
[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/input_interface.rs:554:26
[INFO] [stdout]     |
[INFO] [stdout] 554 |                     Some(mut commandline) => {
[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/input_interface.rs:620:26
[INFO] [stdout]     |
[INFO] [stdout] 620 |                     Some(mut commandline) => {
[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/input_interface.rs:630:26
[INFO] [stdout]     |
[INFO] [stdout] 630 |                     Some(mut commandline) => {
[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/input_interface.rs:668:34
[INFO] [stdout]     |
[INFO] [stdout] 668 | ...                   Some(mut commandline) => {
[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/input_interface.rs:719:26
[INFO] [stdout]     |
[INFO] [stdout] 719 |                     Some(mut commandline) => {
[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/input_interface.rs:892:13
[INFO] [stdout]     |
[INFO] [stdout] 892 |         let mut screensize = self.frontend.size();
[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/input_interface.rs:1032:13
[INFO] [stdout]      |
[INFO] [stdout] 1032 |         let mut next_offset = current_offset;
[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/input_interface.rs:1033:13
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         let mut new_cursor_length = self.backend.get_cursor_length();
[INFO] [stdout]      |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `self.backend` as mutable because it is also borrowed as immutable
[INFO] [stdout]     --> src/input_interface.rs:1304:33
[INFO] [stdout]      |
[INFO] [stdout] 1302 |                         match self.backend.get_active_file_path() {
[INFO] [stdout]      |                               ------------ immutable borrow occurs here
[INFO] [stdout] 1303 |                             Some(file_path) => {
[INFO] [stdout] 1304 |                                 self.backend.set_user_msg(&format!("Saved to file: {}", file_path));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^ mutable borrow occurs here                 --------- immutable borrow later used here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]      = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]      = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/input_interface.rs:1162:13
[INFO] [stdout]      |
[INFO] [stdout] 1162 |             self.backend.redo();
[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/console_displayer.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         self.rectmanager.resize(self.rect_offset, offset_display.len(), 1);
[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/console_displayer.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |         self.rectmanager.set_position(self.rect_offset, x as isize, 0);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/console_displayer.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |         let mut active_content = sbyte_editor.get_active_content();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_string`
[INFO] [stdout]   --> src/sbyte_editor/converter.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn decode_string(&self, string: String) -> Result<Vec<u8>, ConverterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `register`
[INFO] [stdout]   --> src/sbyte_editor.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     register: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_input_context`
[INFO] [stdout]   --> src/sbyte_editor.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     flag_input_context: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_input_sequences`
[INFO] [stdout]   --> src/sbyte_editor.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     new_input_sequences: Vec<(String, String, String)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace`
[INFO] [stdout]    --> src/sbyte_editor.rs:498:8
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn replace(&mut self, search_for: &str, replace_with: Vec<u8>) -> Result<(), SbyteError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input`
[INFO] [stdout]    --> src/input_interface.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn input(&mut self, new_input: u8) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_input_context`
[INFO] [stdout]    --> src/input_interface.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     flag_input_context: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lower_flag`
[INFO] [stdout]    --> src/console_displayer.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn lower_flag(&mut self, key: Flag) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/input_interface.rs:1162:13
[INFO] [stdout]      |
[INFO] [stdout] 1162 |             self.backend.redo();
[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/console_displayer.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         self.rectmanager.resize(self.rect_offset, offset_display.len(), 1);
[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/console_displayer.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |         self.rectmanager.set_position(self.rect_offset, x as isize, 0);
[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: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `Command { std: "docker" "inspect" "16d1f6d325379d16bb2f957bbe334042be6cae1a316537b24607695732fd2552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d1f6d325379d16bb2f957bbe334042be6cae1a316537b24607695732fd2552", kill_on_drop: false }`
[INFO] [stdout] 16d1f6d325379d16bb2f957bbe334042be6cae1a316537b24607695732fd2552