[INFO] cloning repository https://github.com/chc4/gallium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chc4/gallium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchc4%2Fgallium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchc4%2Fgallium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79c09c07a67032cf656d6dd8a9628db7de625030
[INFO] testing chc4/gallium against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchc4%2Fgallium" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chc4/gallium on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chc4/gallium
[INFO] finished tweaking git repo https://github.com/chc4/gallium
[INFO] tweaked toml for git repo https://github.com/chc4/gallium written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/chc4/gallium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-119/source/src/gallium.rs` was erroneously implicitly accepted for binary `gallium`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: dependency (log) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.log.log
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1af0ae8bdb2b08574f542b9a953ce6a8ef2c77b02d52f7b372abc8570afebc98
[INFO] running `Command { std: "docker" "start" "-a" "1af0ae8bdb2b08574f542b9a953ce6a8ef2c77b02d52f7b372abc8570afebc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af0ae8bdb2b08574f542b9a953ce6a8ef2c77b02d52f7b372abc8570afebc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af0ae8bdb2b08574f542b9a953ce6a8ef2c77b02d52f7b372abc8570afebc98", kill_on_drop: false }`
[INFO] [stdout] 1af0ae8bdb2b08574f542b9a953ce6a8ef2c77b02d52f7b372abc8570afebc98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b48e89d8b123a405e9c37039ce98af5775b8c04606be1c78b2ae0b994dc69a8
[INFO] running `Command { std: "docker" "start" "-a" "2b48e89d8b123a405e9c37039ce98af5775b8c04606be1c78b2ae0b994dc69a8", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/gallium.rs` was erroneously implicitly accepted for binary `gallium`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: dependency (log) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.log.log
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling xcb v0.7.8
[INFO] [stderr]    Compiling gallium v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]   --> src/gallium.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use deck::Deck;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xcb::*`
[INFO] [stdout]   --> src/gallium.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use xcb::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:141:16
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:149:31
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::json::ParserError`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rustc_serialize::json::ParserError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 chord: try!(d.read_str()),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 message: try!(<Message as Decodable>::decode(d))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let c = try!(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |             u32::from_str_radix(&try!(d.read_str()).to_string(),16)
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cycle::Cycle`
[INFO] [stdout]  --> src/window_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cycle::Cycle;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TallLayout`
[INFO] [stdout]  --> src/window_manager.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use layout::{Layout,TallLayout,HolderLayout,LayoutFactory};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::KeyBind`
[INFO] [stdout]   --> src/xserver.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use config::KeyBind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `null_mut`, `read`
[INFO] [stdout]   --> src/xserver.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ptr::{null_mut,read};
[INFO] [stdout]    |                ^^^^^^^^ ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]   --> src/xserver.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::mem::{zeroed,transmute};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_void`
[INFO] [stdout]   --> src/xserver.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::libc::{c_long,c_ulong,c_void,c_int};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stdout]     |                                ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stdout] 108 +         XSelectInput(disp,root,SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:150:44
[INFO] [stdout]     |
[INFO] [stdout] 150 |             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stdout]     |                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stdout] 150 +             XSelectInput(self.display,wind,EnterWindowMask);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:179:64
[INFO] [stdout]     |
[INFO] [stdout] 179 |         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stdout]     |                                                                ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stdout] 179 +         XConfigureWindow(self.display, wind, /* CWStackMode */ 1<<6,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:220:66
[INFO] [stdout]     |
[INFO] [stdout] 220 |         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stdout]     |                                                                  ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 -         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stdout] 220 +         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, mess_ptr as *mut XEvent);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:321:52
[INFO] [stdout]     |
[INFO] [stdout] 321 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 321 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout] 321 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:336:52
[INFO] [stdout]     |
[INFO] [stdout] 336 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 336 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout] 336 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/layout.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/layout.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Gallium`
[INFO] [stdout]  --> src/layout.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Gallium;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]  --> src/layout.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use deck::Deck;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/layout.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use config::{Config,Direction,SpecialMsg};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/layout.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn message(&mut self, SpecialMsg){
[INFO] [stdout]    |                           ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SpecialMsg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/config.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::home_dir;
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:229:28
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut path = home_dir().unwrap();
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut path = home_dir().unwrap();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window_manager.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub layout: Box<Layout>,
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub layout: Box<Layout>,
[INFO] [stdout] 16 +     pub layout: Box<dyn Layout>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 - pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout] 48 + pub fn LayoutFactory(form: Layouts) -> Box<dyn Layout> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window_manager.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stdout] 24 +         let mut holder: Box<dyn Layout> = Box::new(HolderLayout);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let lay: Box<Layout> = match form {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let lay: Box<Layout> = match form {
[INFO] [stdout] 49 +     let lay: Box<dyn Layout> = match form {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::Decoder`
[INFO] [stdout]  --> src/config.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rustc_serialize::Decoder as StdDecoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `init` is never read
[INFO] [stdout]    --> src/gallium.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |             init = true;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/gallium.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     let p = window.wind_ptr;
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]   --> src/deck.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let elem = self.remove(ind);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/config.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 |             .map_err(|e|
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sym` is never read
[INFO] [stdout]   --> src/key.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut sym = 0;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen`
[INFO] [stdout]    --> src/xserver.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let screen = setup.roots().nth(screen_num as usize).unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen`
[INFO] [stdout]   --> src/layout.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xserv`
[INFO] [stdout]   --> src/layout.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_xserv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work`
[INFO] [stdout]   --> src/layout.rs:32:55
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]   --> src/layout.rs:32:77
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/layout.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn message(&mut self, msg: SpecialMsg){
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let mut path = if let Some(p) = _path.clone() {
[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/window_manager.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn switch(&mut self, xserv: &mut XServer, mut config: Config, ind: u32) {
[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/key.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for mut m in s.split('-') {
[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/key.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut sym = serv.string_to_keysym(&mut key.to_string());
[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/xserver.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let mut wmproto = self.get_atom("WM_PROTOCOLS");
[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/xserver.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut wmkill = self.get_atom("WM_DELETE_WINDOW");
[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/xserver.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |             let mut x = CString::new((*s.as_mut_vec()).clone()).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/layout.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut wind: &mut Vec<&mut Window> = &mut work.windows.cards[..]
[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/layout.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let mut count = work.windows.cards.len();
[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/gallium.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut window_server = unsafe { XServer::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/gallium.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut config = Config::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/gallium.rs:51:41
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 ServerEvent::MapRequest(mut window) => {
[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/gallium.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     let mut w = self.window_manager.workspaces.current().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/gallium.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     for mut work in &mut self.window_manager.workspaces.cards[..] {
[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/gallium.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         let mut wind = work.windows.current();
[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/gallium.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:206:25
[INFO] [stdout]     |
[INFO] [stdout] 206 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:318:25
[INFO] [stdout]     |
[INFO] [stdout] 318 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:275:36
[INFO] [stdout]     |
[INFO] [stdout] 275 |             xevent::ButtonPress => unsafe {
[INFO] [stdout]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |             xevent::KeyPress => unsafe {
[INFO] [stdout]     |                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:287:36
[INFO] [stdout]     |
[INFO] [stdout] 287 |             xevent::EnterNotify => unsafe {
[INFO] [stdout]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 |             xevent::MapRequest => unsafe {
[INFO] [stdout]     |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |             xevent::DestroyNotify => unsafe {
[INFO] [stdout]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `slice`
[INFO] [stdout]   --> src/deck.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn slice(&mut self) -> &[T] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `master`
[INFO] [stdout]   --> src/window_manager.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     master: Option<&'a Window>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/window_manager.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen`
[INFO] [stdout]   --> src/window_manager.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     screen: Screen,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `serial`
[INFO] [stdout]    --> src/xserver.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             serial: c_ulong,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `send_event`
[INFO] [stdout]    --> src/xserver.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |             send_event: c_int,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]    --> src/xserver.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             display: *mut Display,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window`
[INFO] [stdout]    --> src/xserver.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             window: Window,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message_type`
[INFO] [stdout]    --> src/xserver.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |             message_type: Atom,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]    --> src/xserver.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             format: c_int,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/xserver.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             data: [c_long; 5],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/xserver.rs:255:64
[INFO] [stdout]     |
[INFO] [stdout] 255 |             XInternAtom(self.display, CString::new(s).unwrap().as_ptr() as *mut i8, 1)
[INFO] [stdout]     |                                       ------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                         co.spawn();
[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 `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         c.spawn();
[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 `Map` that must be used
[INFO] [stdout]    --> src/gallium.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                         ls.iter().zip(wk).map(|(lay,work)|{
[INFO] [stdout] 158 | |                             info!("Layout for workspace {} is {:?}",lay.name,lay.layout);
[INFO] [stdout] 159 | |                             work.layout = layout::LayoutFactory(lay.layout);
[INFO] [stdout] 160 | |                         });
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     GalliumLog::init();
[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 `Result` that must be used
[INFO] [stdout]   --> src/config.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             s.emit_tuple_arg(0,|s: &mut S| s.emit_str(&self.chord[..]) );
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         conf_file.read_to_string(&mut buff);
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         conf_file.write(&buff.into_bytes());
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         conf_file.sync_data();
[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: function `LayoutFactory` should have a snake case name
[INFO] [stdout]   --> src/layout.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `layout_factory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 104 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.32s
[INFO] running `Command { std: "docker" "inspect" "2b48e89d8b123a405e9c37039ce98af5775b8c04606be1c78b2ae0b994dc69a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b48e89d8b123a405e9c37039ce98af5775b8c04606be1c78b2ae0b994dc69a8", kill_on_drop: false }`
[INFO] [stdout] 2b48e89d8b123a405e9c37039ce98af5775b8c04606be1c78b2ae0b994dc69a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86dbddd7e5e939a7f91f48b0728fb05e2e08bd80e7fcd91bbc255d609158c1f7
[INFO] running `Command { std: "docker" "start" "-a" "86dbddd7e5e939a7f91f48b0728fb05e2e08bd80e7fcd91bbc255d609158c1f7", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/gallium.rs` was erroneously implicitly accepted for binary `gallium`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: dependency (log) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.log.log
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gallium v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]   --> src/gallium.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use deck::Deck;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xcb::*`
[INFO] [stdout]   --> src/gallium.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use xcb::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:141:16
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/config.rs:149:31
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::json::ParserError`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rustc_serialize::json::ParserError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 chord: try!(d.read_str()),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 message: try!(<Message as Decodable>::decode(d))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let c = try!(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |             u32::from_str_radix(&try!(d.read_str()).to_string(),16)
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cycle::Cycle`
[INFO] [stdout]  --> src/window_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cycle::Cycle;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TallLayout`
[INFO] [stdout]  --> src/window_manager.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use layout::{Layout,TallLayout,HolderLayout,LayoutFactory};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::KeyBind`
[INFO] [stdout]   --> src/xserver.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use config::KeyBind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `null_mut`, `read`
[INFO] [stdout]   --> src/xserver.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ptr::{null_mut,read};
[INFO] [stdout]    |                ^^^^^^^^ ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]   --> src/xserver.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::mem::{zeroed,transmute};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_void`
[INFO] [stdout]   --> src/xserver.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::libc::{c_long,c_ulong,c_void,c_int};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stdout]     |                                ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stdout] 108 +         XSelectInput(disp,root,SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:150:44
[INFO] [stdout]     |
[INFO] [stdout] 150 |             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stdout]     |                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stdout] 150 +             XSelectInput(self.display,wind,EnterWindowMask);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:179:64
[INFO] [stdout]     |
[INFO] [stdout] 179 |         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stdout]     |                                                                ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stdout] 179 +         XConfigureWindow(self.display, wind, /* CWStackMode */ 1<<6,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:220:66
[INFO] [stdout]     |
[INFO] [stdout] 220 |         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stdout]     |                                                                  ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 -         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stdout] 220 +         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, mess_ptr as *mut XEvent);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:321:52
[INFO] [stdout]     |
[INFO] [stdout] 321 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 321 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout] 321 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/xserver.rs:336:52
[INFO] [stdout]     |
[INFO] [stdout] 336 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 336 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stdout] 336 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/layout.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/layout.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Gallium`
[INFO] [stdout]  --> src/layout.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Gallium;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]  --> src/layout.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use deck::Deck;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/layout.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use config::{Config,Direction,SpecialMsg};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/layout.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn message(&mut self, SpecialMsg){
[INFO] [stdout]    |                           ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SpecialMsg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/config.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::home_dir;
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:229:28
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut path = home_dir().unwrap();
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut path = home_dir().unwrap();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window_manager.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub layout: Box<Layout>,
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub layout: Box<Layout>,
[INFO] [stdout] 16 +     pub layout: Box<dyn Layout>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 - pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout] 48 + pub fn LayoutFactory(form: Layouts) -> Box<dyn Layout> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window_manager.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stdout] 24 +         let mut holder: Box<dyn Layout> = Box::new(HolderLayout);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let lay: Box<Layout> = match form {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let lay: Box<Layout> = match form {
[INFO] [stdout] 49 +     let lay: Box<dyn Layout> = match form {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::Decoder`
[INFO] [stdout]  --> src/config.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rustc_serialize::Decoder as StdDecoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `init` is never read
[INFO] [stdout]    --> src/gallium.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |             init = true;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/gallium.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     let p = window.wind_ptr;
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]   --> src/deck.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let elem = self.remove(ind);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/config.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 |             .map_err(|e|
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sym` is never read
[INFO] [stdout]   --> src/key.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut sym = 0;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen`
[INFO] [stdout]    --> src/xserver.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let screen = setup.roots().nth(screen_num as usize).unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `screen`
[INFO] [stdout]   --> src/layout.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xserv`
[INFO] [stdout]   --> src/layout.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_xserv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work`
[INFO] [stdout]   --> src/layout.rs:32:55
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]   --> src/layout.rs:32:77
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stdout]    |                                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/layout.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn message(&mut self, msg: SpecialMsg){
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let mut path = if let Some(p) = _path.clone() {
[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/window_manager.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn switch(&mut self, xserv: &mut XServer, mut config: Config, ind: u32) {
[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/key.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for mut m in s.split('-') {
[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/key.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut sym = serv.string_to_keysym(&mut key.to_string());
[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/xserver.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let mut wmproto = self.get_atom("WM_PROTOCOLS");
[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/xserver.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut wmkill = self.get_atom("WM_DELETE_WINDOW");
[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/xserver.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |             let mut x = CString::new((*s.as_mut_vec()).clone()).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/layout.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut wind: &mut Vec<&mut Window> = &mut work.windows.cards[..]
[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/layout.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let mut count = work.windows.cards.len();
[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/gallium.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut window_server = unsafe { XServer::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/gallium.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut config = Config::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/gallium.rs:51:41
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 ServerEvent::MapRequest(mut window) => {
[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/gallium.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     let mut w = self.window_manager.workspaces.current().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/gallium.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     for mut work in &mut self.window_manager.workspaces.cards[..] {
[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/gallium.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         let mut wind = work.windows.current();
[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/gallium.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:206:25
[INFO] [stdout]     |
[INFO] [stdout] 206 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     let mut work = self.window_manager.workspaces.current().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/gallium.rs:318:25
[INFO] [stdout]     |
[INFO] [stdout] 318 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:275:36
[INFO] [stdout]     |
[INFO] [stdout] 275 |             xevent::ButtonPress => unsafe {
[INFO] [stdout]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |             xevent::KeyPress => unsafe {
[INFO] [stdout]     |                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:287:36
[INFO] [stdout]     |
[INFO] [stdout] 287 |             xevent::EnterNotify => unsafe {
[INFO] [stdout]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 |             xevent::MapRequest => unsafe {
[INFO] [stdout]     |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/xserver.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |             xevent::DestroyNotify => unsafe {
[INFO] [stdout]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `slice`
[INFO] [stdout]   --> src/deck.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn slice(&mut self) -> &[T] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `master`
[INFO] [stdout]   --> src/window_manager.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     master: Option<&'a Window>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/window_manager.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen`
[INFO] [stdout]   --> src/window_manager.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     screen: Screen,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `serial`
[INFO] [stdout]    --> src/xserver.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             serial: c_ulong,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `send_event`
[INFO] [stdout]    --> src/xserver.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |             send_event: c_int,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]    --> src/xserver.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             display: *mut Display,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window`
[INFO] [stdout]    --> src/xserver.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             window: Window,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message_type`
[INFO] [stdout]    --> src/xserver.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |             message_type: Atom,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]    --> src/xserver.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             format: c_int,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/xserver.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             data: [c_long; 5],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/xserver.rs:255:64
[INFO] [stdout]     |
[INFO] [stdout] 255 |             XInternAtom(self.display, CString::new(s).unwrap().as_ptr() as *mut i8, 1)
[INFO] [stdout]     |                                       ------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                         co.spawn();
[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 `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         c.spawn();
[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 `Map` that must be used
[INFO] [stdout]    --> src/gallium.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                         ls.iter().zip(wk).map(|(lay,work)|{
[INFO] [stdout] 158 | |                             info!("Layout for workspace {} is {:?}",lay.name,lay.layout);
[INFO] [stdout] 159 | |                             work.layout = layout::LayoutFactory(lay.layout);
[INFO] [stdout] 160 | |                         });
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/gallium.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 331 |     GalliumLog::init();
[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 `Result` that must be used
[INFO] [stdout]   --> src/config.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             s.emit_tuple_arg(0,|s: &mut S| s.emit_str(&self.chord[..]) );
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         conf_file.read_to_string(&mut buff);
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         conf_file.write(&buff.into_bytes());
[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 `Result` that must be used
[INFO] [stdout]    --> src/config.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         conf_file.sync_data();
[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: function `LayoutFactory` should have a snake case name
[INFO] [stdout]   --> src/layout.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `layout_factory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 104 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stderr]   Executable unittests src/gallium.rs (/opt/rustwide/target/debug/deps/gallium-8465687bc57c5b83)
[INFO] running `Command { std: "docker" "inspect" "86dbddd7e5e939a7f91f48b0728fb05e2e08bd80e7fcd91bbc255d609158c1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dbddd7e5e939a7f91f48b0728fb05e2e08bd80e7fcd91bbc255d609158c1f7", kill_on_drop: false }`
[INFO] [stdout] 86dbddd7e5e939a7f91f48b0728fb05e2e08bd80e7fcd91bbc255d609158c1f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65fc0d66604db86c1e1ed7f57eae8d0ad3ce7b0324c6fe5d1aceb623b2eeaf62
[INFO] running `Command { std: "docker" "start" "-a" "65fc0d66604db86c1e1ed7f57eae8d0ad3ce7b0324c6fe5d1aceb623b2eeaf62", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/gallium.rs` was erroneously implicitly accepted for binary `gallium`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: dependency (log) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.log.log
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `deck::Deck`
[INFO] [stderr]   --> src/gallium.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use deck::Deck;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `xcb::*`
[INFO] [stderr]   --> src/gallium.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use xcb::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/config.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stderr]    |                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/config.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Clone,RustcEncodable,RustcDecodable)]
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/config.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/config.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 | #[derive(RustcEncodable,RustcDecodable,Clone)]
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 | */#[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:141:16
[INFO] [stderr]     |
[INFO] [stderr] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:141:31
[INFO] [stderr]     |
[INFO] [stderr] 141 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/config.rs:149:31
[INFO] [stderr]     |
[INFO] [stderr] 149 | #[derive(Clone,RustcDecodable,RustcEncodable)]
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::json::ParserError`
[INFO] [stderr]  --> src/config.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc_serialize::json::ParserError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:47:24
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 chord: try!(d.read_str()),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 message: try!(<Message as Decodable>::decode(d))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let c = try!(
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |             u32::from_str_radix(&try!(d.read_str()).to_string(),16)
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cycle::Cycle`
[INFO] [stderr]  --> src/window_manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cycle::Cycle;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TallLayout`
[INFO] [stderr]  --> src/window_manager.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use layout::{Layout,TallLayout,HolderLayout,LayoutFactory};
[INFO] [stderr]   |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::KeyBind`
[INFO] [stderr]   --> src/xserver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use config::KeyBind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `null_mut`, `read`
[INFO] [stderr]   --> src/xserver.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ptr::{null_mut,read};
[INFO] [stderr]    |                ^^^^^^^^ ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transmute`
[INFO] [stderr]   --> src/xserver.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::mem::{zeroed,transmute};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `c_void`
[INFO] [stderr]   --> src/xserver.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::libc::{c_long,c_ulong,c_void,c_int};
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stderr]     |                                ^                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 108 -         XSelectInput(disp,root,(SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask));
[INFO] [stderr] 108 +         XSelectInput(disp,root,SubstructureNotifyMask|SubstructureRedirectMask|EnterWindowMask);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:150:44
[INFO] [stderr]     |
[INFO] [stderr] 150 |             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stderr]     |                                            ^               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 150 -             XSelectInput(self.display,wind,(EnterWindowMask));
[INFO] [stderr] 150 +             XSelectInput(self.display,wind,EnterWindowMask);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:179:64
[INFO] [stderr]     |
[INFO] [stderr] 179 |         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stderr]     |                                                                ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 179 -         XConfigureWindow(self.display, wind, /* CWStackMode */ (1<<6),
[INFO] [stderr] 179 +         XConfigureWindow(self.display, wind, /* CWStackMode */ 1<<6,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:220:66
[INFO] [stderr]     |
[INFO] [stderr] 220 |         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stderr]     |                                                                  ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 220 -         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, (mess_ptr as *mut XEvent));
[INFO] [stderr] 220 +         XSendEvent(self.display, wind, 0 /*false*/, NoEventMask, mess_ptr as *mut XEvent);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:321:52
[INFO] [stderr]     |
[INFO] [stderr] 321 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stderr]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 321 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stderr] 321 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/xserver.rs:336:52
[INFO] [stderr]     |
[INFO] [stderr] 336 |             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stderr]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 336 -             XUngrabKey(self.display, 0 /*AnyKey*/, (1<<15) /*AnyModifier*/, self.root);
[INFO] [stderr] 336 +             XUngrabKey(self.display, 0 /*AnyKey*/, 1<<15 /*AnyModifier*/, self.root);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/layout.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/layout.rs:40:46
[INFO] [stderr]    |
[INFO] [stderr] 40 | #[derive(Clone,Copy,PartialEq,RustcDecodable,RustcEncodable,Debug)]
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Gallium`
[INFO] [stderr]  --> src/layout.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::Gallium;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `deck::Deck`
[INFO] [stderr]  --> src/layout.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use deck::Deck;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Direction`
[INFO] [stderr]  --> src/layout.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use config::{Config,Direction,SpecialMsg};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/layout.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn message(&mut self, SpecialMsg){
[INFO] [stderr]    |                           ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SpecialMsg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]  --> src/config.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::home_dir;
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]    --> src/config.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let mut path = home_dir().unwrap();
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]    --> src/config.rs:279:24
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let mut path = home_dir().unwrap();
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/window_manager.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub layout: Box<Layout>,
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 -     pub layout: Box<Layout>,
[INFO] [stderr] 16 +     pub layout: Box<dyn Layout>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layout.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stderr]    |                                            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 48 - pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stderr] 48 + pub fn LayoutFactory(form: Layouts) -> Box<dyn Layout> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/window_manager.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -         let mut holder: Box<Layout> = Box::new(HolderLayout);
[INFO] [stderr] 24 +         let mut holder: Box<dyn Layout> = Box::new(HolderLayout);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/layout.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let lay: Box<Layout> = match form {
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 -     let lay: Box<Layout> = match form {
[INFO] [stderr] 49 +     let lay: Box<dyn Layout> = match form {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::Decoder`
[INFO] [stderr]  --> src/config.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::Decoder as StdDecoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `init` is never read
[INFO] [stderr]    --> src/gallium.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |             init = true;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/gallium.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                     let p = window.wind_ptr;
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elem`
[INFO] [stderr]   --> src/deck.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let elem = self.remove(ind);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/config.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 |             .map_err(|e|
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sym` is never read
[INFO] [stderr]   --> src/key.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sym = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `screen`
[INFO] [stderr]    --> src/xserver.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let screen = setup.roots().nth(screen_num as usize).unwrap();
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `screen`
[INFO] [stderr]   --> src/layout.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xserv`
[INFO] [stderr]   --> src/layout.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_xserv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `work`
[INFO] [stderr]   --> src/layout.rs:32:55
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stderr]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conf`
[INFO] [stderr]   --> src/layout.rs:32:77
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn apply(&self, screen: u32, xserv: &mut XServer, work: &mut Workspace, conf: &mut Config){
[INFO] [stderr]    |                                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/layout.rs:200:27
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn message(&mut self, msg: SpecialMsg){
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/config.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let mut path = if let Some(p) = _path.clone() {
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/window_manager.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn switch(&mut self, xserv: &mut XServer, mut config: Config, ind: u32) {
[INFO] [stderr]    |                                                   ----^^^^^^
[INFO] [stderr]    |                                                   |
[INFO] [stderr]    |                                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/key.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for mut m in s.split('-') {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/key.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut sym = serv.string_to_keysym(&mut key.to_string());
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/xserver.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut wmproto = self.get_atom("WM_PROTOCOLS");
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/xserver.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut wmkill = self.get_atom("WM_DELETE_WINDOW");
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/xserver.rs:342:17
[INFO] [stderr]     |
[INFO] [stderr] 342 |             let mut x = CString::new((*s.as_mut_vec()).clone()).unwrap();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/layout.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut wind: &mut Vec<&mut Window> = &mut work.windows.cards[..]
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/layout.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let mut count = work.windows.cards.len();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut window_server = unsafe { XServer::new() };
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut config = Config::new();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:51:41
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 ServerEvent::MapRequest(mut window) => {
[INFO] [stderr]    |                                         ----^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     let mut w = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]    |                         ----^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     for mut work in &mut self.window_manager.workspaces.cards[..] {
[INFO] [stderr]    |                         ----^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gallium.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]    |                         ----^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:118:25
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:132:25
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:163:25
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |                         let mut wind = work.windows.current();
[INFO] [stderr]     |                             ----^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:206:25
[INFO] [stderr]     |
[INFO] [stderr] 206 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gallium.rs:318:25
[INFO] [stderr]     |
[INFO] [stderr] 318 |                     let mut work = self.window_manager.workspaces.current().unwrap();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/xserver.rs:275:36
[INFO] [stderr]     |
[INFO] [stderr] 275 |             xevent::ButtonPress => unsafe {
[INFO] [stderr]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/xserver.rs:280:33
[INFO] [stderr]     |
[INFO] [stderr] 280 |             xevent::KeyPress => unsafe {
[INFO] [stderr]     |                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/xserver.rs:287:36
[INFO] [stderr]     |
[INFO] [stderr] 287 |             xevent::EnterNotify => unsafe {
[INFO] [stderr]     |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/xserver.rs:291:35
[INFO] [stderr]     |
[INFO] [stderr] 291 |             xevent::MapRequest => unsafe {
[INFO] [stderr]     |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/xserver.rs:306:38
[INFO] [stderr]     |
[INFO] [stderr] 306 |             xevent::DestroyNotify => unsafe {
[INFO] [stderr]     |                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `slice`
[INFO] [stderr]   --> src/deck.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn slice(&mut self) -> &[T] {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `master`
[INFO] [stderr]   --> src/window_manager.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     master: Option<&'a Window>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/window_manager.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `screen`
[INFO] [stderr]   --> src/window_manager.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     screen: Screen,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `serial`
[INFO] [stderr]    --> src/xserver.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             serial: c_ulong,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `send_event`
[INFO] [stderr]    --> src/xserver.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             send_event: c_int,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `display`
[INFO] [stderr]    --> src/xserver.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             display: *mut Display,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `window`
[INFO] [stderr]    --> src/xserver.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |             window: Window,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message_type`
[INFO] [stderr]    --> src/xserver.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             message_type: Atom,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `format`
[INFO] [stderr]    --> src/xserver.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             format: c_int,
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]    --> src/xserver.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |             data: [c_long; 5],
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]    --> src/xserver.rs:255:64
[INFO] [stderr]     |
[INFO] [stderr] 255 |             XInternAtom(self.display, CString::new(s).unwrap().as_ptr() as *mut i8, 1)
[INFO] [stderr]     |                                       ------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/gallium.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |                         co.spawn();
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/gallium.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         c.spawn();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Map` that must be used
[INFO] [stderr]    --> src/gallium.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                         ls.iter().zip(wk).map(|(lay,work)|{
[INFO] [stderr] 158 | |                             info!("Layout for workspace {} is {:?}",lay.name,lay.layout);
[INFO] [stderr] 159 | |                             work.layout = layout::LayoutFactory(lay.layout);
[INFO] [stderr] 160 | |                         });
[INFO] [stderr]     | |___________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/gallium.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     GalliumLog::init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/config.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             s.emit_tuple_arg(0,|s: &mut S| s.emit_str(&self.chord[..]) );
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/config.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         conf_file.read_to_string(&mut buff);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/config.rs:289:9
[INFO] [stderr]     |
[INFO] [stderr] 289 |         conf_file.write(&buff.into_bytes());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/config.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         conf_file.sync_data();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `LayoutFactory` should have a snake case name
[INFO] [stderr]   --> src/layout.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn LayoutFactory(form: Layouts) -> Box<Layout> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `layout_factory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gallium` (bin "gallium" test) generated 104 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.17s
[INFO] [stderr]      Running unittests src/gallium.rs (/opt/rustwide/target/debug/deps/gallium-8465687bc57c5b83)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65fc0d66604db86c1e1ed7f57eae8d0ad3ce7b0324c6fe5d1aceb623b2eeaf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65fc0d66604db86c1e1ed7f57eae8d0ad3ce7b0324c6fe5d1aceb623b2eeaf62", kill_on_drop: false }`
[INFO] [stdout] 65fc0d66604db86c1e1ed7f57eae8d0ad3ce7b0324c6fe5d1aceb623b2eeaf62