[INFO] cloning repository https://github.com/DaMrNelson/xrb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaMrNelson/xrb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaMrNelson%2Fxrb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaMrNelson%2Fxrb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29f8d6bff2a329e017b22aee7bc3e0470bf89237
[INFO] checking DaMrNelson/xrb against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaMrNelson%2Fxrb" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaMrNelson/xrb on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaMrNelson/xrb
[INFO] finished tweaking git repo https://github.com/DaMrNelson/xrb
[INFO] tweaked toml for git repo https://github.com/DaMrNelson/xrb written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DaMrNelson/xrb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3f7895c36d46181e8ee25ca71a9d601f0012b0d489e1b6db2133b81dac60ffa
[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" "c3f7895c36d46181e8ee25ca71a9d601f0012b0d489e1b6db2133b81dac60ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f7895c36d46181e8ee25ca71a9d601f0012b0d489e1b6db2133b81dac60ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f7895c36d46181e8ee25ca71a9d601f0012b0d489e1b6db2133b81dac60ffa", kill_on_drop: false }`
[INFO] [stdout] c3f7895c36d46181e8ee25ca71a9d601f0012b0d489e1b6db2133b81dac60ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c06aef11e01a0df46310fc0f042f24da47cf53bbd6cefaf815fa6dd7af51f8
[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" "b3c06aef11e01a0df46310fc0f042f24da47cf53bbd6cefaf815fa6dd7af51f8", kill_on_drop: false }`
[INFO] [stderr]     Checking xrb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/xreaderwriter.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufReader};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/xreaderwriter.rs:557:40
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let present = self.read_bool();;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/lib.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{BufWriter, BufReader};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/xreaderwriter.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufReader};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/xreaderwriter.rs:557:40
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let present = self.read_bool();;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/lib.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{BufWriter, BufReader};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   ServerReplyType::GetWindowAttributes => reader.read_get_window_attributes_reply(detail),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:247:37
[INFO] [stdout]     |
[INFO] [stdout] 247 | ...   ServerReplyType::ListFontsWithInfo => reader.read_list_fonts_with_info_reply(detail), // Note: One request will generate multiple r...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]    --> src/lib.rs:645:37
[INFO] [stdout]     |
[INFO] [stdout] 645 |     pub fn get_atom_name(&mut self, atom: u32) -> u16 {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pad`
[INFO] [stdout]    --> src/lib.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |         let pad = self.write_dynamic_len(6, data.len());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_pad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bit_plane`
[INFO] [stdout]     --> src/lib.rs:1694:138
[INFO] [stdout]      |
[INFO] [stdout] 1694 | ... width: u16, height: u16, bit_plane: u32) {
[INFO] [stdout]      |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bit_plane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_is_installed`
[INFO] [stdout]    --> src/models.rs:916:116
[INFO] [stdout]     |
[INFO] [stdout] 916 | ...pixel, save_under, map_is_installed, map_state, override_redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) ...
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_is_installed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_state`
[INFO] [stdout]    --> src/models.rs:916:134
[INFO] [stdout]     |
[INFO] [stdout] 916 | ..._under, map_is_installed, map_state, override_redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) = match cli...
[INFO] [stdout]     |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_event_masks`
[INFO] [stdout]    --> src/models.rs:916:174
[INFO] [stdout]     |
[INFO] [stdout] 916 | ...redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) = match client.wait_for_response(seq2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_event_masks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1010:43
[INFO] [stdout]      |
[INFO] [stdout] 1010 |             WindowConfigureValue::Sibling(val) => (),
[INFO] [stdout]      |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1011:45
[INFO] [stdout]      |
[INFO] [stdout] 1011 |             WindowConfigureValue::StackMode(val) => ()
[INFO] [stdout]      |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1025:47
[INFO] [stdout]      |
[INFO] [stdout] 1025 |                 WindowConfigureValue::Sibling(val) => (),
[INFO] [stdout]      |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1026:49
[INFO] [stdout]      |
[INFO] [stdout] 1026 |                 WindowConfigureValue::StackMode(val) => ()
[INFO] [stdout]      |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vtype`
[INFO] [stdout]     --> src/models.rs:1053:17
[INFO] [stdout]      |
[INFO] [stdout] 1053 |             Ok((vtype, value)) => {
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_vtype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/models.rs:1056:25
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                     Err(err) => None
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1059:17
[INFO] [stdout]      |
[INFO] [stdout] 1059 |             Err(val) => None
[INFO] [stdout]      |                 ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_after`
[INFO] [stdout]    --> src/xreaderwriter.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let bytes_after = self.read_u32();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/xreaderwriter.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |             let len = self.read_u16();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/xreaderwriter.rs:582:13
[INFO] [stdout]     |
[INFO] [stdout] 582 |         for i in 0..keycode_count {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/xreaderwriter.rs:585:17
[INFO] [stdout]     |
[INFO] [stdout] 585 |             for j in 0..keysyms_count {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   ServerReplyType::GetWindowAttributes => reader.read_get_window_attributes_reply(detail),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:247:37
[INFO] [stdout]     |
[INFO] [stdout] 247 | ...   ServerReplyType::ListFontsWithInfo => reader.read_list_fonts_with_info_reply(detail), // Note: One request will generate multiple r...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]    --> src/lib.rs:645:37
[INFO] [stdout]     |
[INFO] [stdout] 645 |     pub fn get_atom_name(&mut self, atom: u32) -> u16 {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pad`
[INFO] [stdout]    --> src/lib.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |         let pad = self.write_dynamic_len(6, data.len());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_pad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bit_plane`
[INFO] [stdout]     --> src/lib.rs:1694:138
[INFO] [stdout]      |
[INFO] [stdout] 1694 | ... width: u16, height: u16, bit_plane: u32) {
[INFO] [stdout]      |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bit_plane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_is_installed`
[INFO] [stdout]    --> src/models.rs:916:116
[INFO] [stdout]     |
[INFO] [stdout] 916 | ...pixel, save_under, map_is_installed, map_state, override_redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) ...
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_is_installed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_state`
[INFO] [stdout]    --> src/models.rs:916:134
[INFO] [stdout]     |
[INFO] [stdout] 916 | ..._under, map_is_installed, map_state, override_redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) = match cli...
[INFO] [stdout]     |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_event_masks`
[INFO] [stdout]    --> src/models.rs:916:174
[INFO] [stdout]     |
[INFO] [stdout] 916 | ...redirect, colormap, all_event_masks, your_event_mask, do_not_propagate_mask) = match client.wait_for_response(seq2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_event_masks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1010:43
[INFO] [stdout]      |
[INFO] [stdout] 1010 |             WindowConfigureValue::Sibling(val) => (),
[INFO] [stdout]      |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1011:45
[INFO] [stdout]      |
[INFO] [stdout] 1011 |             WindowConfigureValue::StackMode(val) => ()
[INFO] [stdout]      |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1025:47
[INFO] [stdout]      |
[INFO] [stdout] 1025 |                 WindowConfigureValue::Sibling(val) => (),
[INFO] [stdout]      |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1026:49
[INFO] [stdout]      |
[INFO] [stdout] 1026 |                 WindowConfigureValue::StackMode(val) => ()
[INFO] [stdout]      |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vtype`
[INFO] [stdout]     --> src/models.rs:1053:17
[INFO] [stdout]      |
[INFO] [stdout] 1053 |             Ok((vtype, value)) => {
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_vtype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/models.rs:1056:25
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                     Err(err) => None
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]     --> src/models.rs:1059:17
[INFO] [stdout]      |
[INFO] [stdout] 1059 |             Err(val) => None
[INFO] [stdout]      |                 ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_after`
[INFO] [stdout]    --> src/xreaderwriter.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let bytes_after = self.read_u32();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/xreaderwriter.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |             let len = self.read_u16();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/xreaderwriter.rs:582:13
[INFO] [stdout]     |
[INFO] [stdout] 582 |         for i in 0..keycode_count {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/xreaderwriter.rs:585:17
[INFO] [stdout]     |
[INFO] [stdout] 585 |             for j in 0..keysyms_count {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xreaderwriter.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut len = match format {
[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 `ATOM__NET_WM_NAME` should have a snake case name
[INFO] [stdout]     --> src/models.rs:1063:62
[INFO] [stdout]      |
[INFO] [stdout] 1063 |     pub fn get_wm_name_sync(&mut self, client: &mut XClient, ATOM__NET_WM_NAME: u32) -> String {
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `atom_net_wm_name`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/xreaderwriter.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut len = match format {
[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 `ATOM__NET_WM_NAME` should have a snake case name
[INFO] [stdout]     --> src/models.rs:1063:62
[INFO] [stdout]      |
[INFO] [stdout] 1063 |     pub fn get_wm_name_sync(&mut self, client: &mut XClient, ATOM__NET_WM_NAME: u32) -> String {
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `atom_net_wm_name`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]   --> tests/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let white = client.info.screens[0].white_pixel;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "b3c06aef11e01a0df46310fc0f042f24da47cf53bbd6cefaf815fa6dd7af51f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c06aef11e01a0df46310fc0f042f24da47cf53bbd6cefaf815fa6dd7af51f8", kill_on_drop: false }`
[INFO] [stdout] b3c06aef11e01a0df46310fc0f042f24da47cf53bbd6cefaf815fa6dd7af51f8
