[INFO] cloning repository https://github.com/Arne-Berner/mqtt-egui-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arne-Berner/mqtt-egui-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArne-Berner%2Fmqtt-egui-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArne-Berner%2Fmqtt-egui-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 674141f4425003842e7b97cb6d4071aa5b0c2ea2
[INFO] building Arne-Berner/mqtt-egui-example against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArne-Berner%2Fmqtt-egui-example" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arne-Berner/mqtt-egui-example
[INFO] finished tweaking git repo https://github.com/Arne-Berner/mqtt-egui-example
[INFO] tweaked toml for git repo https://github.com/Arne-Berner/mqtt-egui-example written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arne-Berner/mqtt-egui-example on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arne-Berner/mqtt-egui-example 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.8.5
[INFO] [stderr]   Downloaded xcursor v0.3.6
[INFO] [stderr]   Downloaded atspi v0.19.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.7.1
[INFO] [stderr]   Downloaded accesskit_macos v0.10.1
[INFO] [stderr]   Downloaded atspi-proxies v0.3.0
[INFO] [stderr]   Downloaded atspi-common v0.3.0
[INFO] [stderr]   Downloaded rumqttc v0.24.0
[INFO] [stderr]   Downloaded cc v1.1.6
[INFO] [stderr]   Downloaded egui_glow v0.24.1
[INFO] [stderr]   Downloaded rustls-webpki v0.102.5
[INFO] [stderr]   Downloaded eframe v0.24.1
[INFO] [stderr]   Downloaded async-executor v1.13.0
[INFO] [stderr]   Downloaded accesskit_consumer v0.16.1
[INFO] [stderr]   Downloaded accesskit_windows v0.15.1
[INFO] [stderr]   Downloaded clipboard-win v5.4.0
[INFO] [stderr]   Downloaded egui-winit v0.24.1
[INFO] [stderr]   Downloaded accesskit v0.12.3
[INFO] [stderr]   Downloaded egui v0.24.1
[INFO] [stderr]   Downloaded async-once-cell v0.5.3
[INFO] [stderr]   Downloaded atspi-connection v0.3.0
[INFO] [stderr]   Downloaded async-signal v0.2.9
[INFO] [stderr]   Downloaded accesskit_unix v0.6.2
[INFO] [stderr]   Downloaded accesskit_winit v0.15.0
[INFO] [stderr]   Downloaded web-time v0.2.4
[INFO] [stderr]   Downloaded ecolor v0.24.1
[INFO] [stderr]   Downloaded emath v0.24.1
[INFO] [stderr]   Downloaded rustls-pki-types v1.7.0
[INFO] [stderr]   Downloaded rustls-pemfile v2.1.2
[INFO] [stderr]   Downloaded tokio v1.38.1
[INFO] [stderr]   Downloaded epaint v0.24.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c9009f4d29133235e67286ca184ea971dd2942e1fcde3ed9c2c922e4e54d13
[INFO] running `Command { std: "docker" "start" "-a" "19c9009f4d29133235e67286ca184ea971dd2942e1fcde3ed9c2c922e4e54d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c9009f4d29133235e67286ca184ea971dd2942e1fcde3ed9c2c922e4e54d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c9009f4d29133235e67286ca184ea971dd2942e1fcde3ed9c2c922e4e54d13", kill_on_drop: false }`
[INFO] [stdout] 19c9009f4d29133235e67286ca184ea971dd2942e1fcde3ed9c2c922e4e54d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedfbfd16ead2e3f7e8d97b8551e25aa80c4380dc47c5205fb05ec41705d2446
[INFO] running `Command { std: "docker" "start" "-a" "aedfbfd16ead2e3f7e8d97b8551e25aa80c4380dc47c5205fb05ec41705d2446", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling piper v0.2.3
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling ttf-parser v0.24.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling async-executor v1.13.0
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling owned_ttf_parser v0.24.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling xdg-home v1.2.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling ab_glyph v0.2.28
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling xcursor v0.3.6
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling accesskit v0.12.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling accesskit_consumer v0.16.1
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling async-once-cell v0.5.3
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling webbrowser v0.8.15
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling glow v0.12.3
[INFO] [stderr]    Compiling web-time v0.2.4
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling bytemuck_derive v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling zvariant_derive v3.15.2
[INFO] [stderr]    Compiling zbus_macros v3.15.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling ecolor v0.24.1
[INFO] [stderr]    Compiling emath v0.24.1
[INFO] [stderr]    Compiling tokio v1.38.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling epaint v0.24.1
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling rustls-native-certs v0.7.1
[INFO] [stderr]    Compiling egui v0.24.1
[INFO] [stderr]    Compiling rustls-webpki v0.102.5
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling egui_glow v0.24.1
[INFO] [stderr]    Compiling arboard v3.4.0
[INFO] [stderr]    Compiling enumflags2 v0.7.10
[INFO] [stderr]    Compiling zvariant v3.15.2
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling rumqttc v0.24.0
[INFO] [stderr]    Compiling zbus_names v2.6.1
[INFO] [stderr]    Compiling zbus v3.15.2
[INFO] [stderr]    Compiling atspi-common v0.3.0
[INFO] [stderr]    Compiling atspi-proxies v0.3.0
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling smithay-clipboard v0.6.6
[INFO] [stderr]    Compiling atspi-connection v0.3.0
[INFO] [stderr]    Compiling atspi v0.19.0
[INFO] [stderr]    Compiling accesskit_unix v0.6.2
[INFO] [stderr]    Compiling accesskit_winit v0.15.0
[INFO] [stderr]    Compiling egui-winit v0.24.1
[INFO] [stderr]    Compiling eframe v0.24.1
[INFO] [stderr]    Compiling mockmqttdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     Ok(v) => {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn send_requests(rx: Receiver<f64>) {}
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_requests` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn send_requests(rx: Receiver<f64>) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `Command { std: "docker" "inspect" "aedfbfd16ead2e3f7e8d97b8551e25aa80c4380dc47c5205fb05ec41705d2446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedfbfd16ead2e3f7e8d97b8551e25aa80c4380dc47c5205fb05ec41705d2446", kill_on_drop: false }`
[INFO] [stdout] aedfbfd16ead2e3f7e8d97b8551e25aa80c4380dc47c5205fb05ec41705d2446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bb47b7451aae57b2540f09b091c89c0c5f2dcf3794e339e454282d5fbf23c9
[INFO] running `Command { std: "docker" "start" "-a" "c5bb47b7451aae57b2540f09b091c89c0c5f2dcf3794e339e454282d5fbf23c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockmqttdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     Ok(v) => {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn send_requests(rx: Receiver<f64>) {}
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_requests` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn send_requests(rx: Receiver<f64>) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c5bb47b7451aae57b2540f09b091c89c0c5f2dcf3794e339e454282d5fbf23c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bb47b7451aae57b2540f09b091c89c0c5f2dcf3794e339e454282d5fbf23c9", kill_on_drop: false }`
[INFO] [stdout] c5bb47b7451aae57b2540f09b091c89c0c5f2dcf3794e339e454282d5fbf23c9