[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 try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffreyrosenbluth%2Fflock" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffreyrosenbluth/flock on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e
[INFO] running `Command { std: "docker" "start" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e", 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" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e", 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" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[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 58.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: 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 3`
[INFO] running `Command { std: "docker" "inspect" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e", kill_on_drop: false }`
[INFO] [stdout] b7dc0154a0a476e2212fcf013535da0a4788798ea20abd34d4fb7b38710abf1e
