[INFO] updating cached repository frnsys/rust-sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frnsys/rust-sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frnsys/rust-sim" "work/ex/clippy-test-run/sources/stable/gh/frnsys/rust-sim"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/frnsys/rust-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frnsys/rust-sim" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/frnsys/rust-sim"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/frnsys/rust-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe1c4fea93a0cffd0d3d1b721314953097a99b4f
[INFO] sha for GitHub repo frnsys/rust-sim: fe1c4fea93a0cffd0d3d1b721314953097a99b4f
[INFO] validating manifest of frnsys/rust-sim on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frnsys/rust-sim on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frnsys/rust-sim
[INFO] finished frobbing frnsys/rust-sim
[INFO] frobbed toml for frnsys/rust-sim written to work/ex/clippy-test-run/sources/stable/gh/frnsys/rust-sim/Cargo.toml
[INFO] started frobbing frnsys/rust-sim
[INFO] finished frobbing frnsys/rust-sim
[INFO] frobbed toml for frnsys/rust-sim written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/frnsys/rust-sim/Cargo.toml
[INFO] crate frnsys/rust-sim has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting frnsys/rust-sim against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/frnsys/rust-sim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d37f60847883c5bfa73dc94e9274194d59d9217192697640911d344954bd20a7
[INFO] running `"docker" "start" "-a" "d37f60847883c5bfa73dc94e9274194d59d9217192697640911d344954bd20a7"`
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking rmp v0.7.5
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking redis v0.8.0
[INFO] [stderr]     Checking futures v0.1.7
[INFO] [stderr]     Checking rmp-serialize v0.7.0
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]     Checking sim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         id: id,
[INFO] [stderr]    |         ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             simulation: simulation,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:62:35
[INFO] [stderr]    |
[INFO] [stderr] 62 |                                   id: id,
[INFO] [stderr]    |                                   ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             conn: conn,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `conn`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             population: population,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `population`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             simulation: simulation,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `simulation`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         id: id,
[INFO] [stderr]    |         ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             simulation: simulation,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/compute.rs:62:35
[INFO] [stderr]    |
[INFO] [stderr] 62 |                                   id: id,
[INFO] [stderr]    |                                   ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             conn: conn,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `conn`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             population: population,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `population`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/compute.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             simulation: simulation,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `simulation`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/compute.rs:160:41
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn start(&self, n_steps: usize) -> () {
[INFO] [stderr]     |                                         ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/compute.rs:160:41
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn start(&self, n_steps: usize) -> () {
[INFO] [stderr]     |                                         ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let _: () = conn.set(id.to_string(), data).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _: () = self.conn.sadd("population", id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let _: () = self.conn.del(id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _: () = self.conn.srem("population", id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let _: () = self.conn.sadd(format!("idx:{}", index), id.to_string()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/compute.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |         if keys.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!keys.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let _: () = self.conn.del(keys).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let _: () = conn.set("world", data).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let _: () = conn.del("workers").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let _: () = conn.del("finished").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let _: () = conn.del("population").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let _: () = conn.del("to_decide").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let _: () = conn.del("to_update").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let _: () = conn.set("current_phase", "idle").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let _: () = self.conn.sunionstore("to_decide", "population").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let _: () = self.conn.publish("command", "decide").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let _: () = self.conn.set("current_phase", "decide").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let _: () = self.conn.publish("command", "update").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let _: () = self.conn.set("current_phase", "update").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let _: () = self.conn.publish("command", "terminate").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let _: () = conn.sadd("workers", self.id.to_string()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 let _: () = conn.srem("workers", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 let _: () = conn.sadd("finished", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:249:17
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let _: () = conn.sadd("finished", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/compute.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 | /             match get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 265 | |                 Some(agent) => {
[INFO] [stderr] 266 | |                     let updates = simulation.decide(agent, world.clone(), &self.population);
[INFO] [stderr] 267 | |                     let mut rpipe = pipe();
[INFO] [stderr] ...   |
[INFO] [stderr] 275 | |                 None => (),
[INFO] [stderr] 276 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 264 |             if let Some(agent) = get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 265 |     let updates = simulation.decide(agent, world.clone(), &self.population);
[INFO] [stderr] 266 |     let mut rpipe = pipe();
[INFO] [stderr] 267 |     for (id, update) in updates {
[INFO] [stderr] 268 |         let data = encode(&update).unwrap();
[INFO] [stderr] 269 |         rpipe.lpush(format!("updates:{}", id), data).ignore();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:273:21
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     let _: () = rpipe.query(conn).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |                 let _: () = conn.del(&key).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/compute.rs:287:20
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 if updates_data.len() == 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `updates_data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/compute.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 | /             match get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 295 | |                 Some(agent) => {
[INFO] [stderr] 296 | |                     let new_state = simulation.update(agent.state.clone(), updates);
[INFO] [stderr] 297 | |                     set_agent(id, new_state, &conn);
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |                 None => (),
[INFO] [stderr] 301 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 294 |             if let Some(agent) = get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 295 |     let new_state = simulation.update(agent.state.clone(), updates);
[INFO] [stderr] 296 |     set_agent(id, new_state, &conn);
[INFO] [stderr] 297 |     let _: () = conn.sadd("to_decide", id.to_string()).unwrap();
[INFO] [stderr] 298 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                     let _: () = conn.sadd("to_decide", id.to_string()).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let _: () = conn.set(id.to_string(), data).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _: () = self.conn.sadd("population", id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let _: () = self.conn.del(id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/compute.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _: () = self.conn.srem("population", id.to_string()).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let _: () = self.conn.sadd(format!("idx:{}", index), id.to_string()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/compute.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |         if keys.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!keys.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let _: () = self.conn.del(keys).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let _: () = conn.set("world", data).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let _: () = conn.del("workers").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let _: () = conn.del("finished").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let _: () = conn.del("population").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let _: () = conn.del("to_decide").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let _: () = conn.del("to_update").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let _: () = conn.set("current_phase", "idle").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let _: () = self.conn.sunionstore("to_decide", "population").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let _: () = self.conn.publish("command", "decide").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let _: () = self.conn.set("current_phase", "decide").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let _: () = self.conn.publish("command", "update").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let _: () = self.conn.set("current_phase", "update").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let _: () = self.conn.publish("command", "terminate").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let _: () = conn.sadd("workers", self.id.to_string()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 let _: () = conn.srem("workers", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 let _: () = conn.sadd("finished", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:249:17
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let _: () = conn.sadd("finished", self.id.to_string()).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/compute.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 | /             match get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 265 | |                 Some(agent) => {
[INFO] [stderr] 266 | |                     let updates = simulation.decide(agent, world.clone(), &self.population);
[INFO] [stderr] 267 | |                     let mut rpipe = pipe();
[INFO] [stderr] ...   |
[INFO] [stderr] 275 | |                 None => (),
[INFO] [stderr] 276 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 264 |             if let Some(agent) = get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 265 |     let updates = simulation.decide(agent, world.clone(), &self.population);
[INFO] [stderr] 266 |     let mut rpipe = pipe();
[INFO] [stderr] 267 |     for (id, update) in updates {
[INFO] [stderr] 268 |         let data = encode(&update).unwrap();
[INFO] [stderr] 269 |         rpipe.lpush(format!("updates:{}", id), data).ignore();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:273:21
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     let _: () = rpipe.query(conn).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |                 let _: () = conn.del(&key).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/compute.rs:287:20
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 if updates_data.len() == 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `updates_data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/compute.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 | /             match get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 295 | |                 Some(agent) => {
[INFO] [stderr] 296 | |                     let new_state = simulation.update(agent.state.clone(), updates);
[INFO] [stderr] 297 | |                     set_agent(id, new_state, &conn);
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |                 None => (),
[INFO] [stderr] 301 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 294 |             if let Some(agent) = get_agent::<S::State>(id, &conn) {
[INFO] [stderr] 295 |     let new_state = simulation.update(agent.state.clone(), updates);
[INFO] [stderr] 296 |     set_agent(id, new_state, &conn);
[INFO] [stderr] 297 |     let _: () = conn.sadd("to_decide", id.to_string()).unwrap();
[INFO] [stderr] 298 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/compute.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                     let _: () = conn.sadd("to_decide", id.to_string()).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> examples/basic.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         name: name,
[INFO] [stderr]    |                         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> examples/basic.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         health: health,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: replace it with: `health`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> examples/culture.rs:33:79
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {}
[INFO] [stderr]    |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> examples/basic.rs:32:79
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {
[INFO] [stderr]    |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `agent`
[INFO] [stderr]   --> examples/culture.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {}
[INFO] [stderr]    |                     ^^^^^ help: consider using `_agent` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `population`
[INFO] [stderr]   --> examples/culture.rs:33:48
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {}
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: consider using `_population` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> examples/culture.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |               world: Self::World,
[INFO] [stderr]    |               ^^^^^ help: consider using `_world` instead
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> examples/culture.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |             updates.push((agent.id.clone(), Update::Imitate(friend.state.clone())));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `agent.id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> examples/basic.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |               world: Self::World,
[INFO] [stderr]    |               ^^^^^ help: consider using `_world` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> examples/basic.rs:33:53
[INFO] [stderr]    |
[INFO] [stderr] 33 |         population.index(agent.state.name.as_ref(), agent.id.clone());
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `agent.id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `"docker" "inspect" "d37f60847883c5bfa73dc94e9274194d59d9217192697640911d344954bd20a7"`
[INFO] running `"docker" "rm" "-f" "d37f60847883c5bfa73dc94e9274194d59d9217192697640911d344954bd20a7"`
[INFO] [stdout] d37f60847883c5bfa73dc94e9274194d59d9217192697640911d344954bd20a7