[INFO] crate djinn 0.0.1 is already in cache [INFO] extracting crate djinn 0.0.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/djinn/0.0.1 [INFO] extracting crate djinn 0.0.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/djinn/0.0.1 [INFO] validating manifest of djinn-0.0.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of djinn-0.0.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing djinn-0.0.1 [INFO] finished frobbing djinn-0.0.1 [INFO] frobbed toml for djinn-0.0.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/djinn/0.0.1/Cargo.toml [INFO] started frobbing djinn-0.0.1 [INFO] finished frobbing djinn-0.0.1 [INFO] frobbed toml for djinn-0.0.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/djinn/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking djinn-0.0.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/djinn/0.0.1:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 88fe499c632883e372f3a7712a0fe95be1d98788c83e2cf7778a37f9c7826c30 [INFO] running `"docker" "start" "-a" "88fe499c632883e372f3a7712a0fe95be1d98788c83e2cf7778a37f9c7826c30"` [INFO] [stderr] Checking slab v0.1.3 [INFO] [stderr] Compiling redis v0.8.0 [INFO] [stderr] Checking bytes v0.3.0 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking uuid v0.2.3 [INFO] [stderr] Checking rmp-serialize v0.8.0 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking ws v0.5.3 [INFO] [stderr] Checking redis-cluster v0.1.4 [INFO] [stderr] Checking djinn v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/compute.rs:377:38 [INFO] [stderr] | [INFO] [stderr] 377 | reporters: FnvHashMap, &Connection) -> () + Send>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, &Population, &Connection) -> () + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/ext/qlearning.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | rand::sample(&mut params.rng, actions.clone(), 1)[0].clone() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/ext/qlearning.rs:69:21 [INFO] [stderr] | [INFO] [stderr] 69 | rand::sample(&mut params.rng, actions.clone(), 1)[0].clone() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/compute.rs:377:38 [INFO] [stderr] | [INFO] [stderr] 377 | reporters: FnvHashMap, &Connection) -> () + Send>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, &Population, &Connection) -> () + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/ext/qlearning.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | rand::sample(&mut params.rng, actions.clone(), 1)[0].clone() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/ext/qlearning.rs:69:21 [INFO] [stderr] | [INFO] [stderr] 69 | rand::sample(&mut params.rng, actions.clone(), 1)[0].clone() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `agents` [INFO] [stderr] --> src/sim.rs:38:28 [INFO] [stderr] | [INFO] [stderr] 38 | agents: Vec>, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_agents` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:39:28 [INFO] [stderr] | [INFO] [stderr] 39 | population: &Population) [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `agents` [INFO] [stderr] --> src/sim.rs:46:28 [INFO] [stderr] | [INFO] [stderr] 46 | agents: Vec>, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_agents` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:47:28 [INFO] [stderr] | [INFO] [stderr] 47 | population: &Population) [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> src/sim.rs:66:31 [INFO] [stderr] | [INFO] [stderr] 66 | world: &Self::World, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_world` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:67:31 [INFO] [stderr] | [INFO] [stderr] 67 | population: &Population, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `updates` [INFO] [stderr] --> src/sim.rs:68:31 [INFO] [stderr] | [INFO] [stderr] 68 | updates: &mut Updates) [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_updates` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `updates` [INFO] [stderr] --> src/sim.rs:73:48 [INFO] [stderr] | [INFO] [stderr] 73 | fn world_update(&self, world: Self::World, updates: Vec) -> Self::World { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_updates` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `agents` [INFO] [stderr] --> src/sim.rs:38:28 [INFO] [stderr] | [INFO] [stderr] 38 | agents: Vec>, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_agents` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:39:28 [INFO] [stderr] | [INFO] [stderr] 39 | population: &Population) [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `agents` [INFO] [stderr] --> src/sim.rs:46:28 [INFO] [stderr] | [INFO] [stderr] 46 | agents: Vec>, [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_agents` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:47:28 [INFO] [stderr] | [INFO] [stderr] 47 | population: &Population) [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> src/sim.rs:66:31 [INFO] [stderr] | [INFO] [stderr] 66 | world: &Self::World, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_world` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/sim.rs:67:31 [INFO] [stderr] | [INFO] [stderr] 67 | population: &Population, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `updates` [INFO] [stderr] --> src/sim.rs:68:31 [INFO] [stderr] | [INFO] [stderr] 68 | updates: &mut Updates) [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_updates` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `updates` [INFO] [stderr] --> src/sim.rs:73:48 [INFO] [stderr] | [INFO] [stderr] 73 | fn world_update(&self, world: Self::World, updates: Vec) -> Self::World { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_updates` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ext/qlearning.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | let mut actions_values = params.q.get_mut(&p_state).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> examples/population_dynamics.rs:269:20 [INFO] [stderr] | [INFO] [stderr] 269 | let poss = rand::sample(&mut rng, positions.clone(), 1); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> examples/population_dynamics.rs:202:31 [INFO] [stderr] | [INFO] [stderr] 202 | let ids = rand::sample(&mut rng, c.occupants.clone(), 1); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ext/qlearning.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | let mut actions_values = params.q.get_mut(&p_state).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `conn` [INFO] [stderr] --> examples/population_dynamics.rs:279:46 [INFO] [stderr] | [INFO] [stderr] 279 | manager.register_reporter(1, |step, pop, conn| { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_conn` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pop` [INFO] [stderr] --> examples/population_dynamics.rs:119:25 [INFO] [stderr] | [INFO] [stderr] 119 | pop: &Population, [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> examples/population_dynamics.rs:192:31 [INFO] [stderr] | [INFO] [stderr] 192 | population: &Population, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/opdyn/ent.rs:37:50 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn rand_opinion_idx(&self, mut rng: &mut Rng, opinions: &Vec) -> usize { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/opdyn/ent.rs:52:43 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn rand_edge(&self, mut rng: &mut Rng, edges: &HashMap) -> u64 { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Rng` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> examples/basic.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | thread::sleep_ms(2000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `manager` is never read [INFO] [stderr] --> examples/multi.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | manager = run(sim, world, manager, 4, 10); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> examples/multi.rs:50:25 [INFO] [stderr] | [INFO] [stderr] 50 | world: &Self::World, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_world` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> examples/multi.rs:51:25 [INFO] [stderr] | [INFO] [stderr] 51 | population: &Population, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/multi.rs:62:22 [INFO] [stderr] | [INFO] [stderr] 62 | fn update(&self, mut state: &mut Self::State, updates: Vec) -> bool { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `media_ids` [INFO] [stderr] --> examples/opinion_dynamics.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let media_ids = manager.spawns(medias.drain(..).map(|m| State::Media(m)).collect()); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_media_ids` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `people_ids` [INFO] [stderr] --> examples/opinion_dynamics.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let people_ids = manager.spawns(people.drain(..).map(|m| State::Person(m)).collect()); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_people_ids` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `o` [INFO] [stderr] --> examples/opdyn/ent.rs:40:23 [INFO] [stderr] | [INFO] [stderr] 40 | .map(|(i, o)| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_o` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> examples/opdyn/sim.rs:51:31 [INFO] [stderr] | [INFO] [stderr] 51 | id: u64, [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `media` [INFO] [stderr] --> examples/opdyn/sim.rs:52:31 [INFO] [stderr] | [INFO] [stderr] 52 | media: &Media, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_media` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pop` [INFO] [stderr] --> examples/opdyn/sim.rs:53:31 [INFO] [stderr] | [INFO] [stderr] 53 | pop: &Population, [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `updates` [INFO] [stderr] --> examples/opdyn/sim.rs:54:31 [INFO] [stderr] | [INFO] [stderr] 54 | updates: &mut Updates) [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_updates` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `diff` [INFO] [stderr] --> examples/opdyn/sim.rs:194:33 [INFO] [stderr] | [INFO] [stderr] 194 | let diff = polarity - op.polarity; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_diff` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> examples/opdyn/sim.rs:216:25 [INFO] [stderr] | [INFO] [stderr] 216 | world: &Self::World, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_world` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `step` [INFO] [stderr] --> examples/basic.rs:102:35 [INFO] [stderr] | [INFO] [stderr] 102 | manager.register_reporter(1, |step, pop, conn| { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_step` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `world` [INFO] [stderr] --> examples/basic.rs:47:25 [INFO] [stderr] | [INFO] [stderr] 47 | world: &Self::World, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_world` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> examples/basic.rs:48:25 [INFO] [stderr] | [INFO] [stderr] 48 | population: &Population, [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/opdyn/sim.rs:154:29 [INFO] [stderr] | [INFO] [stderr] 154 | fn update_person(&self, mut person: &mut Person, updates: Vec) -> bool { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/opdyn/sim.rs:186:28 [INFO] [stderr] | [INFO] [stderr] 186 | fn update_media(&self, mut media: &mut Media, updates: Vec) -> bool { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/opdyn/sim.rs:230:22 [INFO] [stderr] | [INFO] [stderr] 230 | fn update(&self, mut state: &mut Self::State, updates: Vec) -> bool { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `trust_from_opinions` [INFO] [stderr] --> examples/opdyn/ent.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn trust_from_opinions(&self, opinions: &Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `trust_from_opinion` [INFO] [stderr] --> examples/opdyn/ent.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn trust_from_opinion(&self, o1: &Opinion, o2: &Opinion) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.36s [INFO] running `"docker" "inspect" "88fe499c632883e372f3a7712a0fe95be1d98788c83e2cf7778a37f9c7826c30"` [INFO] running `"docker" "rm" "-f" "88fe499c632883e372f3a7712a0fe95be1d98788c83e2cf7778a37f9c7826c30"` [INFO] [stdout] 88fe499c632883e372f3a7712a0fe95be1d98788c83e2cf7778a37f9c7826c30