[INFO] cloning repository https://github.com/mss2008/multi_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mss2008/multi_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmss2008%2Fmulti_serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmss2008%2Fmulti_serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb498e52a86380701332afe207a97e9e3f54430f
[INFO] checking mss2008/multi_serial against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmss2008%2Fmulti_serial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mss2008/multi_serial
[INFO] finished tweaking git repo https://github.com/mss2008/multi_serial
[INFO] tweaked toml for git repo https://github.com/mss2008/multi_serial written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mss2008/multi_serial on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mss2008/multi_serial 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc
[INFO] running `Command { std: "docker" "start" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc", 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" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc", 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" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:118:62
[INFO] [stdout]     |
[INFO] [stdout] 118 |     vis.widgets.noninteractive.fg_stroke = egui::Stroke::new(1.0, C::TEXT);
[INFO] [stdout]     |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:120:56
[INFO] [stdout]     |
[INFO] [stdout] 120 |     vis.widgets.inactive.fg_stroke = egui::Stroke::new(1.0, C::TEXT);
[INFO] [stdout]     |                                                        ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |     vis.widgets.hovered.fg_stroke = egui::Stroke::new(1.0, C::ACCENT);
[INFO] [stdout]     |                                                       ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     vis.widgets.active.fg_stroke = egui::Stroke::new(1.5, C::BTN_ACTIVE);
[INFO] [stdout]     |                                                      ^^^ help: explicitly specify the type as `f32`: `1.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |     vis.selection.stroke = egui::Stroke::new(1.0, C::ACCENT);
[INFO] [stdout]     |                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:118:62
[INFO] [stdout]     |
[INFO] [stdout] 118 |     vis.widgets.noninteractive.fg_stroke = egui::Stroke::new(1.0, C::TEXT);
[INFO] [stdout]     |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:120:56
[INFO] [stdout]     |
[INFO] [stdout] 120 |     vis.widgets.inactive.fg_stroke = egui::Stroke::new(1.0, C::TEXT);
[INFO] [stdout]     |                                                        ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |     vis.widgets.hovered.fg_stroke = egui::Stroke::new(1.0, C::ACCENT);
[INFO] [stdout]     |                                                       ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     vis.widgets.active.fg_stroke = egui::Stroke::new(1.5, C::BTN_ACTIVE);
[INFO] [stdout]     |                                                      ^^^ help: explicitly specify the type as `f32`: `1.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |     vis.selection.stroke = egui::Stroke::new(1.0, C::ACCENT);
[INFO] [stdout]     |                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:463:54
[INFO] [stdout]     |
[INFO] [stdout] 463 |         visuals.selection.stroke = egui::Stroke::new(1.0, egui::Color32::WHITE);
[INFO] [stdout]     |                                                      ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:903:55
[INFO] [stdout]     |
[INFO] [stdout] 903 | ...                   .stroke(egui::Stroke::new(1.0, egui::Color32::from_rgb(80, 80, 100)))
[INFO] [stdout]     |                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:463:54
[INFO] [stdout]     |
[INFO] [stdout] 463 |         visuals.selection.stroke = egui::Stroke::new(1.0, egui::Color32::WHITE);
[INFO] [stdout]     |                                                      ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]     --> src/main.rs:1249:62
[INFO] [stdout]      |
[INFO] [stdout] 1249 |     painter.circle_stroke(center, r * 0.8, egui::Stroke::new(1.2, color.gamma_multiply(0.5)));
[INFO] [stdout]      |                                                              ^^^ help: explicitly specify the type as `f32`: `1.2_f32`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:903:55
[INFO] [stdout]     |
[INFO] [stdout] 903 | ...                   .stroke(egui::Stroke::new(1.0, egui::Color32::from_rgb(80, 80, 100)))
[INFO] [stdout]     |                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]     --> src/main.rs:1258:60
[INFO] [stdout]      |
[INFO] [stdout] 1258 |     painter.add(egui::Shape::line(pulse, egui::Stroke::new(1.8, color)));
[INFO] [stdout]      |                                                            ^^^ help: explicitly specify the type as `f32`: `1.8_f32`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]     --> src/main.rs:1249:62
[INFO] [stdout]      |
[INFO] [stdout] 1249 |     painter.circle_stroke(center, r * 0.8, egui::Stroke::new(1.2, color.gamma_multiply(0.5)));
[INFO] [stdout]      |                                                              ^^^ help: explicitly specify the type as `f32`: `1.2_f32`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]     --> src/main.rs:1258:60
[INFO] [stdout]      |
[INFO] [stdout] 1258 |     painter.add(egui::Shape::line(pulse, egui::Stroke::new(1.8, color)));
[INFO] [stdout]      |                                                            ^^^ help: explicitly specify the type as `f32`: `1.8_f32`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.32.3, glutin-winit v0.5.0, nix v0.29.0, winit v0.30.13
[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" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc", kill_on_drop: false }`
[INFO] [stdout] ed3e73c6c993d31924f8ab57f46d1e803e93ed4eb17e008911aa2a39d26061dc
