[INFO] cloning repository https://github.com/jeffreyrosenbluth/flock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffreyrosenbluth/flock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffreyrosenbluth%2Fflock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffreyrosenbluth%2Fflock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4157d4bae2efed68bafbfd5a0fd98c0f05b009b5
[INFO] checking jeffreyrosenbluth/flock against 69bccf03c4733f57482f9691456efcd80f86a5f6 for pr-164053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffreyrosenbluth%2Fflock" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeffreyrosenbluth/flock
[INFO] finished tweaking git repo https://github.com/jeffreyrosenbluth/flock
[INFO] tweaked toml for git repo https://github.com/jeffreyrosenbluth/flock written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffreyrosenbluth/flock on toolchain 69bccf03c4733f57482f9691456efcd80f86a5f6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeffreyrosenbluth/flock 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" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f
[INFO] running `Command { std: "docker" "start" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
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[INFO] [stderr]     Checking rayon-core v1.9.0
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[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking mio-extras v2.0.6
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[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
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[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.11
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[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
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[INFO] [stderr]     Checking wgpu-types v0.5.1
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[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.70.0
[INFO] [stderr]     Checking conrod_wgpu v0.70.0
[INFO] [stderr]     Checking nannou v0.15.0
[INFO] [stderr]     Checking flock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nannou::prelude::*`
[INFO] [stdout]    --> src/quadtree.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use nannou::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |       for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 124 | |         .top_left_with_margin(20.0)
[INFO] [stdout] 125 | |         .label(&count_label[..])
[INFO] [stdout] 126 | |         .set(m.ids.count, ui)
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 123 -     for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout] 123 +     while let Some(value) = slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 123 -     for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout] 123 +     if let Some(value) = slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |       for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 147 | |         .down(10.0)
[INFO] [stdout] 148 | |         .label(&sep_label[..])
[INFO] [stdout] 149 | |         .set(m.ids.sep_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 146 -     for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout] 146 +     while let Some(value) = slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 146 -     for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout] 146 +     if let Some(value) = slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 156 | |         .down(10.0)
[INFO] [stdout] 157 | |         .label(&sep_label[..])
[INFO] [stdout] 158 | |         .set(m.ids.sep_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -     for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout] 155 +     while let Some(value) = slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -     for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout] 155 +     if let Some(value) = slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |       for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 165 | |         .down(10.0)
[INFO] [stdout] 166 | |         .label(&ali_label[..])
[INFO] [stdout] 167 | |         .set(m.ids.ali_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout] 164 +     while let Some(value) = slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 164 -     for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout] 164 +     if let Some(value) = slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |       for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 174 | |         .down(10.0)
[INFO] [stdout] 175 | |         .label(&ali_label[..])
[INFO] [stdout] 176 | |         .set(m.ids.ali_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout] 173 +     while let Some(value) = slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout] 173 +     if let Some(value) = slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |       for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 183 | |         .down(10.0)
[INFO] [stdout] 184 | |         .label(&coh_label[..])
[INFO] [stdout] 185 | |         .set(m.ids.coh_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 182 -     for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout] 182 +     while let Some(value) = slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 182 -     for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout] 182 +     if let Some(value) = slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:191:18
[INFO] [stdout]     |
[INFO] [stdout] 191 |       for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 192 | |         .down(10.0)
[INFO] [stdout] 193 | |         .label(&coh_label[..])
[INFO] [stdout] 194 | |         .set(m.ids.coh_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout] 191 +     while let Some(value) = slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout] 191 +     if let Some(value) = slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |       for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 124 | |         .top_left_with_margin(20.0)
[INFO] [stdout] 125 | |         .label(&count_label[..])
[INFO] [stdout] 126 | |         .set(m.ids.count, ui)
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 123 -     for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout] 123 +     while let Some(value) = slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 123 -     for value in slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout] 123 +     if let Some(value) = slider(m.boids.len() as f32, 0.0, 2000.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |       for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 147 | |         .down(10.0)
[INFO] [stdout] 148 | |         .label(&sep_label[..])
[INFO] [stdout] 149 | |         .set(m.ids.sep_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 146 -     for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout] 146 +     while let Some(value) = slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 146 -     for value in slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout] 146 +     if let Some(value) = slider(m.sep_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 156 | |         .down(10.0)
[INFO] [stdout] 157 | |         .label(&sep_label[..])
[INFO] [stdout] 158 | |         .set(m.ids.sep_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -     for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout] 155 +     while let Some(value) = slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -     for value in slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout] 155 +     if let Some(value) = slider(m.sep_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |       for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 165 | |         .down(10.0)
[INFO] [stdout] 166 | |         .label(&ali_label[..])
[INFO] [stdout] 167 | |         .set(m.ids.ali_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout] 164 +     while let Some(value) = slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 164 -     for value in slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout] 164 +     if let Some(value) = slider(m.ali_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |       for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 174 | |         .down(10.0)
[INFO] [stdout] 175 | |         .label(&ali_label[..])
[INFO] [stdout] 176 | |         .set(m.ids.ali_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout] 173 +     while let Some(value) = slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for value in slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout] 173 +     if let Some(value) = slider(m.ali_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |       for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 183 | |         .down(10.0)
[INFO] [stdout] 184 | |         .label(&coh_label[..])
[INFO] [stdout] 185 | |         .set(m.ids.coh_strength, ui)
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 182 -     for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout] 182 +     while let Some(value) = slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 182 -     for value in slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout] 182 +     if let Some(value) = slider(m.coh_strength, 0.0, 3.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:191:18
[INFO] [stdout]     |
[INFO] [stdout] 191 |       for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 192 | |         .down(10.0)
[INFO] [stdout] 193 | |         .label(&coh_label[..])
[INFO] [stdout] 194 | |         .set(m.ids.coh_radius, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout] 191 +     while let Some(value) = slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for value in slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout] 191 +     if let Some(value) = slider(m.coh_radius, 0.0, 200.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rand_core v0.4.2, xcb v0.9.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f", kill_on_drop: false }`
[INFO] [stdout] dbc235b41b6535e3fcf7e14be3f4c83c0f2676bca3e409692f8d56e6c742bb3f
