[INFO] cloning repository https://github.com/elBranchi/rust_concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elBranchi/rust_concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelBranchi%2Frust_concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelBranchi%2Frust_concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c911464bb7539f611a08e25a92dcd86051998bcd
[INFO] linting elBranchi/rust_concepts against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelBranchi%2Frust_concepts" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elBranchi/rust_concepts
[INFO] finished tweaking git repo https://github.com/elBranchi/rust_concepts
[INFO] tweaked toml for git repo https://github.com/elBranchi/rust_concepts written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elBranchi/rust_concepts on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elBranchi/rust_concepts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded rand_core v0.9.2
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "1f48a6e52f5210fa956b1874f9d183486b11182df57cbd8b24f6dce04975267b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f48a6e52f5210fa956b1874f9d183486b11182df57cbd8b24f6dce04975267b", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking rand_core v0.9.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking rust_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/interleave_iter.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |         self.use_front = (!self.use_front && !self.front.is_none() && !self.back.is_none())
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.front.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/interleave_iter.rs:31:71
[INFO] [stdout]    |
[INFO] [stdout] 31 |         self.use_front = (!self.use_front && !self.front.is_none() && !self.back.is_none())
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^ help: try: `self.back.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/weave_iter.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             next_found = !next.is_none() || self.next_from == start_on;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ help: try: `next.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/utils/weave_iter.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  83 | /     let weave = (0..item_count).scan(iters, |iters, idx| {
[INFO] [stdout]  84 | |         let mut curr_idx = idx % iters.len();
[INFO] [stdout]  85 | |
[INFO] [stdout]  86 | |         let mut next_value = Option::<&T>::None;
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |         next_value
[INFO] [stdout] 100 | |     });
[INFO] [stdout]     | |_______- unnecessary `let` binding
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |       weave
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout]  83 ~     
[INFO] [stdout]  84 |
[INFO] [stdout]  85 ~     (0..item_count).scan(iters, |iters, idx| {
[INFO] [stdout]  86 +         let mut curr_idx = idx % iters.len();
[INFO] [stdout]  87 + 
[INFO] [stdout]  88 +         let mut next_value = Option::<&T>::None;
[INFO] [stdout]  89 +         while curr_idx < iters.len() {
[INFO] [stdout]  90 +             next_value = iters[curr_idx].next();
[INFO] [stdout]  91 +             match next_value {
[INFO] [stdout]  92 +                 None => {
[INFO] [stdout]  93 +                     curr_idx = (curr_idx + 1) % iters.len();
[INFO] [stdout]  94 +                 }
[INFO] [stdout]  95 +                 _ => {
[INFO] [stdout]  96 +                     break;
[INFO] [stdout]  97 +                 }
[INFO] [stdout]  98 +             }
[INFO] [stdout]  99 +         }
[INFO] [stdout] 100 + 
[INFO] [stdout] 101 +         next_value
[INFO] [stdout] 102 +     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/utils/weave_iter.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     let weave = (0..).scan(iters, |state, idx| {
[INFO] [stdout] 114 | |         let offset = idx % state.len();
[INFO] [stdout] 115 | |         let mut next_value = Option::<&E>::None;
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |         next_value
[INFO] [stdout] 132 | |     });
[INFO] [stdout]     | |_______- unnecessary `let` binding
[INFO] [stdout] 133 |
[INFO] [stdout] 134 |       weave
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 113 ~     
[INFO] [stdout] 114 |
[INFO] [stdout] 115 ~     (0..).scan(iters, |state, idx| {
[INFO] [stdout] 116 +         let offset = idx % state.len();
[INFO] [stdout] 117 +         let mut next_value = Option::<&E>::None;
[INFO] [stdout] 118 + 
[INFO] [stdout] 119 +         let mut idx = 0;
[INFO] [stdout] 120 +         while idx < state.len() {
[INFO] [stdout] 121 +             let curr_idx = (offset + idx) % state.len();
[INFO] [stdout] 122 +             next_value = state[curr_idx].next();
[INFO] [stdout] 123 + 
[INFO] [stdout] 124 +             match next_value {
[INFO] [stdout] 125 +                 None => {
[INFO] [stdout] 126 +                     idx += 1;
[INFO] [stdout] 127 +                 }
[INFO] [stdout] 128 +                 _ => {
[INFO] [stdout] 129 +                     break;
[INFO] [stdout] 130 +                 }
[INFO] [stdout] 131 +             }
[INFO] [stdout] 132 +         }
[INFO] [stdout] 133 +         next_value
[INFO] [stdout] 134 +     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/interleave_iter.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |         self.use_front = (!self.use_front && !self.front.is_none() && !self.back.is_none())
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: try: `self.front.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/interleave_iter.rs:31:71
[INFO] [stdout]    |
[INFO] [stdout] 31 |         self.use_front = (!self.use_front && !self.front.is_none() && !self.back.is_none())
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^ help: try: `self.back.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `th`
[INFO] [stdout]   --> src/bin/thread_time.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let th = thread::spawn(|| {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_th`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_sleep` is never used
[INFO] [stdout]   --> src/bin/thread_time.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn simple_sleep(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/utils/weave_iter.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             next_found = !next.is_none() || self.next_from == start_on;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ help: try: `next.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/utils/weave_iter.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  83 | /     let weave = (0..item_count).scan(iters, |iters, idx| {
[INFO] [stdout]  84 | |         let mut curr_idx = idx % iters.len();
[INFO] [stdout]  85 | |
[INFO] [stdout]  86 | |         let mut next_value = Option::<&T>::None;
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |         next_value
[INFO] [stdout] 100 | |     });
[INFO] [stdout]     | |_______- unnecessary `let` binding
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |       weave
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout]  83 ~     
[INFO] [stdout]  84 |
[INFO] [stdout]  85 ~     (0..item_count).scan(iters, |iters, idx| {
[INFO] [stdout]  86 +         let mut curr_idx = idx % iters.len();
[INFO] [stdout]  87 + 
[INFO] [stdout]  88 +         let mut next_value = Option::<&T>::None;
[INFO] [stdout]  89 +         while curr_idx < iters.len() {
[INFO] [stdout]  90 +             next_value = iters[curr_idx].next();
[INFO] [stdout]  91 +             match next_value {
[INFO] [stdout]  92 +                 None => {
[INFO] [stdout]  93 +                     curr_idx = (curr_idx + 1) % iters.len();
[INFO] [stdout]  94 +                 }
[INFO] [stdout]  95 +                 _ => {
[INFO] [stdout]  96 +                     break;
[INFO] [stdout]  97 +                 }
[INFO] [stdout]  98 +             }
[INFO] [stdout]  99 +         }
[INFO] [stdout] 100 + 
[INFO] [stdout] 101 +         next_value
[INFO] [stdout] 102 +     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/utils/weave_iter.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     let weave = (0..).scan(iters, |state, idx| {
[INFO] [stdout] 114 | |         let offset = idx % state.len();
[INFO] [stdout] 115 | |         let mut next_value = Option::<&E>::None;
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |         next_value
[INFO] [stdout] 132 | |     });
[INFO] [stdout]     | |_______- unnecessary `let` binding
[INFO] [stdout] 133 |
[INFO] [stdout] 134 |       weave
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 113 ~     
[INFO] [stdout] 114 |
[INFO] [stdout] 115 ~     (0..).scan(iters, |state, idx| {
[INFO] [stdout] 116 +         let offset = idx % state.len();
[INFO] [stdout] 117 +         let mut next_value = Option::<&E>::None;
[INFO] [stdout] 118 + 
[INFO] [stdout] 119 +         let mut idx = 0;
[INFO] [stdout] 120 +         while idx < state.len() {
[INFO] [stdout] 121 +             let curr_idx = (offset + idx) % state.len();
[INFO] [stdout] 122 +             next_value = state[curr_idx].next();
[INFO] [stdout] 123 + 
[INFO] [stdout] 124 +             match next_value {
[INFO] [stdout] 125 +                 None => {
[INFO] [stdout] 126 +                     idx += 1;
[INFO] [stdout] 127 +                 }
[INFO] [stdout] 128 +                 _ => {
[INFO] [stdout] 129 +                     break;
[INFO] [stdout] 130 +                 }
[INFO] [stdout] 131 +             }
[INFO] [stdout] 132 +         }
[INFO] [stdout] 133 +         next_value
[INFO] [stdout] 134 +     })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]    --> src/utils/weave_iter.rs:163:22
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let result = weave(&param[..]).map(|r| *r).collect::<Vec<_>>();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `weave(&param[..]).copied()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]     = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]    --> src/utils/weave_iter.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |           let result = weave_iter(param.into_iter())
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 176 | |             .map(|v| *v)
[INFO] [stdout]     | |________________________^ help: consider calling the dedicated `copied` method: `weave_iter(param.into_iter()).copied()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/module_use.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/module_use.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/module_use.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_str<'a,'b>(s: &'a String) -> &'b str 
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 25 ~     fn to_str<'a,'b>(s: &'a str) -> &'b str 
[INFO] [stdout] 26 |     where 'a: 'b {
[INFO] [stdout] 27 |
[INFO] [stdout] 28 ~         s
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_restrictions` is never used
[INFO] [stdout]  --> src/bin/shared.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn check_restrictions(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/module_use.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_min` is never used
[INFO] [stdout]   --> src/bin/shared.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn use_min() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]   --> src/bin/shared.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn min<'a, 'b, 'c, T: PartialOrd>(val1: &'a T, val2: &'b T) -> &'c T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/module_use.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_restrictions` is never used
[INFO] [stdout]  --> src/bin/shared.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn check_restrictions(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_min` is never used
[INFO] [stdout]   --> src/bin/shared.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn use_min() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]   --> src/bin/shared.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn min<'a, 'b, 'c, T: PartialOrd>(val1: &'a T, val2: &'b T) -> &'c T
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/bin/shared.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     s4.push_str("w");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `s4.push('w')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/bin/shared.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     s4.push_str("w");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `s4.push('w')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/bin/shared.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         elem.push_str("#");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `elem.push('#')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/module_use.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_str<'a,'b>(s: &'a String) -> &'b str 
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 25 ~     fn to_str<'a,'b>(s: &'a str) -> &'b str 
[INFO] [stdout] 26 |     where 'a: 'b {
[INFO] [stdout] 27 |
[INFO] [stdout] 28 ~         s
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/bin/shared.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         elem.push_str("#");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `elem.push('#')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a16`
[INFO] [stdout]   --> src/bin/iterator_use.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..a16.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 15 -     for i in 0..a16.len() {
[INFO] [stdout] 15 +     for (i, <item>) in a16.iter_mut().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `th`
[INFO] [stdout]   --> src/bin/thread_time.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let th = thread::spawn(|| {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_th`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_sleep` is never used
[INFO] [stdout]   --> src/bin/thread_time.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn simple_sleep(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/wordgen.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn get_rand_part<'a, T: Rng>(parts: &'a Vec<String>, rng: &mut T) -> &'a str {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 32 -         fn get_rand_part<'a, T: Rng>(parts: &'a Vec<String>, rng: &mut T) -> &'a str {
[INFO] [stdout] 32 +         fn get_rand_part<'a, T: Rng>(parts: &'a [String], rng: &mut T) -> &'a str {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/bin/iterator_use.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for v in (&v8).into_iter() {
[INFO] [stdout]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/bin/wordgen.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let part = &parts[idx];
[INFO] [stdout]    |             ----------------------- unnecessary `let` binding
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |             part
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 34 ~             
[INFO] [stdout] 35 |
[INFO] [stdout] 36 ~             (&parts[idx]) as _
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/bin/borrow_own.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let d = Point::new(-6, 2);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_c`
[INFO] [stdout]    --> src/bin/borrow_own.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut_c = &mut c;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/bin/iterator_use.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("");
[INFO] [stdout]    |     ^^^^^^^^^--^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/bin/borrow_own.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let d = Point::new(-6, 2);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_c`
[INFO] [stdout]    --> src/bin/borrow_own.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut_c = &mut c;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut p2 = PointNoCopy::default();
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let mut p3 = PointNoCopy::new(9, 99);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/bin/borrow_own.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let p2 = PointNoCopy::new(10, 14);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/bin/borrow_own.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut p2 = PointNoCopy::default();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p3`
[INFO] [stdout]    --> src/bin/borrow_own.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let mut p3 = PointNoCopy::new(9, 99);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         mut a: &PointNoCopy,
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         mut c: &mut PointNoCopy,
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/bin/borrow_own.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         mut a: &PointNoCopy,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/bin/borrow_own.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         d: &PointNoCopy,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/iterator_use.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         let next = if idx % 2 == 0 {
[INFO] [stdout] 102 | |             state.0.next().or_else(|| state.1.next())
[INFO] [stdout] 103 | |         } else {
[INFO] [stdout] 104 | |             state.1.next().or_else(|| state.0.next())
[INFO] [stdout] 105 | |         };
[INFO] [stdout]     | |__________- unnecessary `let` binding
[INFO] [stdout] 106 |           next
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 101 ~         
[INFO] [stdout] 102 ~         if idx % 2 == 0 {
[INFO] [stdout] 103 +             state.0.next().or_else(|| state.1.next())
[INFO] [stdout] 104 +         } else {
[INFO] [stdout] 105 +             state.1.next().or_else(|| state.0.next())
[INFO] [stdout] 106 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut p2 = PointNoCopy::default();
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let mut p3 = PointNoCopy::new(9, 99);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/bin/borrow_own.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let p2 = PointNoCopy::new(10, 14);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/bin/borrow_own.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut p2 = PointNoCopy::default();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p3`
[INFO] [stdout]    --> src/bin/borrow_own.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let mut p3 = PointNoCopy::new(9, 99);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         mut a: &PointNoCopy,
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/borrow_own.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         mut c: &mut PointNoCopy,
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/bin/borrow_own.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         mut a: &PointNoCopy,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/bin/borrow_own.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         d: &PointNoCopy,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/borrow_own.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     print!("{mut_c:?}\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 148 -     print!("{mut_c:?}\n");
[INFO] [stdout] 148 +     println!("{mut_c:?}");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/borrow_own.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     print!("{c:?} {d:?}\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 172 -     print!("{c:?} {d:?}\n");
[INFO] [stdout] 172 +     println!("{c:?} {d:?}");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/borrow_own.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     print!("{mut_c:?}\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 148 -     print!("{mut_c:?}\n");
[INFO] [stdout] 148 +     println!("{mut_c:?}");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/borrow_own.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     print!("{c:?} {d:?}\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 172 -     print!("{c:?} {d:?}\n");
[INFO] [stdout] 172 +     println!("{c:?} {d:?}");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/bin/basic_traits.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |         if self.next != Option::None {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `self.next.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/basic_traits.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         let iter = match self {
[INFO] [stdout] 138 | |             Line2D::FromOrigin(direction) => {
[INFO] [stdout] 139 | |                 let origin = Point2D::default();
[INFO] [stdout] 140 | |                 Line2DIterator::new(direction.x, direction.y, origin, origin + *direction)
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |         };
[INFO] [stdout]     | |__________- unnecessary `let` binding
[INFO] [stdout] 151 |           iter
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 137 ~         
[INFO] [stdout] 138 ~         match self {
[INFO] [stdout] 139 +             Line2D::FromOrigin(direction) => {
[INFO] [stdout] 140 +                 let origin = Point2D::default();
[INFO] [stdout] 141 +                 Line2DIterator::new(direction.x, direction.y, origin, origin + *direction)
[INFO] [stdout] 142 +             }
[INFO] [stdout] 143 +             Line2D::WithEndPoint(origin, end) => {
[INFO] [stdout] 144 +                 let direction = *end - *origin;
[INFO] [stdout] 145 +                 Line2DIterator::new(direction.x, direction.y, *origin, *end)
[INFO] [stdout] 146 +             }
[INFO] [stdout] 147 +             Line2D::WithDirection(origin, direction) => {
[INFO] [stdout] 148 +                 let end = *origin + *direction;
[INFO] [stdout] 149 +                 Line2DIterator::new(direction.x, direction.y, *origin, end)
[INFO] [stdout] 150 +             }
[INFO] [stdout] 151 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `impl` can be derived
[INFO] [stdout]    --> src/bin/basic_traits.rs:155:1
[INFO] [stdout]     |
[INFO] [stdout] 155 | / impl Default for Point2D {
[INFO] [stdout] 156 | |     fn default() -> Self {
[INFO] [stdout] 157 | |         Self {
[INFO] [stdout] 158 | |             x: Default::default(),
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derivable_impls
[INFO] [stdout]     = note: `#[warn(clippy::derivable_impls)]` on by default
[INFO] [stdout] help: replace the manual implementation with a derive attribute
[INFO] [stdout]     |
[INFO] [stdout]  42 + #[derive(Default)]
[INFO] [stdout]  43 | struct Point2D {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/wordgen.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn get_rand_part<'a, T: Rng>(parts: &'a Vec<String>, rng: &mut T) -> &'a str {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 32 -         fn get_rand_part<'a, T: Rng>(parts: &'a Vec<String>, rng: &mut T) -> &'a str {
[INFO] [stdout] 32 +         fn get_rand_part<'a, T: Rng>(parts: &'a [String], rng: &mut T) -> &'a str {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/bin/wordgen.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let part = &parts[idx];
[INFO] [stdout]    |             ----------------------- unnecessary `let` binding
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |             part
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 34 ~             
[INFO] [stdout] 35 |
[INFO] [stdout] 36 ~             (&parts[idx]) as _
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a16`
[INFO] [stdout]   --> src/bin/iterator_use.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..a16.len() {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 15 -     for i in 0..a16.len() {
[INFO] [stdout] 15 +     for (i, <item>) in a16.iter_mut().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> src/bin/iterator_use.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for v in (&v8).into_iter() {
[INFO] [stdout]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/bin/iterator_use.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("");
[INFO] [stdout]    |     ^^^^^^^^^--^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/iterator_use.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         let next = if idx % 2 == 0 {
[INFO] [stdout] 102 | |             state.0.next().or_else(|| state.1.next())
[INFO] [stdout] 103 | |         } else {
[INFO] [stdout] 104 | |             state.1.next().or_else(|| state.0.next())
[INFO] [stdout] 105 | |         };
[INFO] [stdout]     | |__________- unnecessary `let` binding
[INFO] [stdout] 106 |           next
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 101 ~         
[INFO] [stdout] 102 ~         if idx % 2 == 0 {
[INFO] [stdout] 103 +             state.0.next().or_else(|| state.1.next())
[INFO] [stdout] 104 +         } else {
[INFO] [stdout] 105 +             state.1.next().or_else(|| state.0.next())
[INFO] [stdout] 106 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/bin/basic_traits.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |         if self.next != Option::None {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `self.next.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/basic_traits.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         let iter = match self {
[INFO] [stdout] 138 | |             Line2D::FromOrigin(direction) => {
[INFO] [stdout] 139 | |                 let origin = Point2D::default();
[INFO] [stdout] 140 | |                 Line2DIterator::new(direction.x, direction.y, origin, origin + *direction)
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |         };
[INFO] [stdout]     | |__________- unnecessary `let` binding
[INFO] [stdout] 151 |           iter
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 137 ~         
[INFO] [stdout] 138 ~         match self {
[INFO] [stdout] 139 +             Line2D::FromOrigin(direction) => {
[INFO] [stdout] 140 +                 let origin = Point2D::default();
[INFO] [stdout] 141 +                 Line2DIterator::new(direction.x, direction.y, origin, origin + *direction)
[INFO] [stdout] 142 +             }
[INFO] [stdout] 143 +             Line2D::WithEndPoint(origin, end) => {
[INFO] [stdout] 144 +                 let direction = *end - *origin;
[INFO] [stdout] 145 +                 Line2DIterator::new(direction.x, direction.y, *origin, *end)
[INFO] [stdout] 146 +             }
[INFO] [stdout] 147 +             Line2D::WithDirection(origin, direction) => {
[INFO] [stdout] 148 +                 let end = *origin + *direction;
[INFO] [stdout] 149 +                 Line2DIterator::new(direction.x, direction.y, *origin, end)
[INFO] [stdout] 150 +             }
[INFO] [stdout] 151 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `impl` can be derived
[INFO] [stdout]    --> src/bin/basic_traits.rs:155:1
[INFO] [stdout]     |
[INFO] [stdout] 155 | / impl Default for Point2D {
[INFO] [stdout] 156 | |     fn default() -> Self {
[INFO] [stdout] 157 | |         Self {
[INFO] [stdout] 158 | |             x: Default::default(),
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derivable_impls
[INFO] [stdout]     = note: `#[warn(clippy::derivable_impls)]` on by default
[INFO] [stdout] help: replace the manual implementation with a derive attribute
[INFO] [stdout]     |
[INFO] [stdout]  42 + #[derive(Default)]
[INFO] [stdout]  43 | struct Point2D {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "5f40d4236608e61f8fc68d7a45e9c60ec43e6360baddc520fe5769a8c44a0738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f40d4236608e61f8fc68d7a45e9c60ec43e6360baddc520fe5769a8c44a0738", kill_on_drop: false }`
[INFO] [stdout] 5f40d4236608e61f8fc68d7a45e9c60ec43e6360baddc520fe5769a8c44a0738