[INFO] fetching crate floui 0.1.5...
[INFO] checking floui-0.1.5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate floui 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate floui 0.1.5
[INFO] finished tweaking crates.io crate floui 0.1.5
[INFO] tweaked toml for crates.io crate floui 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate floui 0.1.5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate floui 0.1.5 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded floui-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c91a4719e184331a697513e1cbc9366e27333f2ceed8c03672dc58d2d033b4
[INFO] running `Command { std: "docker" "start" "-a" "60c91a4719e184331a697513e1cbc9366e27333f2ceed8c03672dc58d2d033b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c91a4719e184331a697513e1cbc9366e27333f2ceed8c03672dc58d2d033b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c91a4719e184331a697513e1cbc9366e27333f2ceed8c03672dc58d2d033b4", kill_on_drop: false }`
[INFO] [stdout] 60c91a4719e184331a697513e1cbc9366e27333f2ceed8c03672dc58d2d033b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f97d7d9bd68fe6b0b4fcbf8d17305122b6aeca5da932b79f0936b31c6ac3b9b
[INFO] running `Command { std: "docker" "start" "-a" "5f97d7d9bd68fe6b0b4fcbf8d17305122b6aeca5da932b79f0936b31c6ac3b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling floui-sys v0.1.4
[INFO] [stderr]     Checking floui v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/button.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout] 42 +                 let f: &mut dyn FnMut(&Button)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout]     |                             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout] 103 +                 let f: &mut dyn FnMut(&Toggle)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout] 174 +                 let f: &mut dyn FnMut(&Check)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/misc.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout] 98 +                 let f: &mut dyn FnMut(&Slider)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/button.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout] 42 +                 let f: &mut dyn FnMut(&Button)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout]     |                             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout] 103 +                 let f: &mut dyn FnMut(&Toggle)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout] 174 +                 let f: &mut dyn FnMut(&Check)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/misc.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout] 98 +                 let f: &mut dyn FnMut(&Slider)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "5f97d7d9bd68fe6b0b4fcbf8d17305122b6aeca5da932b79f0936b31c6ac3b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f97d7d9bd68fe6b0b4fcbf8d17305122b6aeca5da932b79f0936b31c6ac3b9b", kill_on_drop: false }`
[INFO] [stdout] 5f97d7d9bd68fe6b0b4fcbf8d17305122b6aeca5da932b79f0936b31c6ac3b9b