[INFO] cloning repository https://github.com/chengwu26/heart-rate-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengwu26/heart-rate-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengwu26%2Fheart-rate-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengwu26%2Fheart-rate-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68e87a3267370a2f2f09cfe7c29563418f015d4d
[INFO] checking chengwu26/heart-rate-monitor against 1ed2df61a19042f231709eb05d032ae9e2cb2084 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengwu26%2Fheart-rate-monitor" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chengwu26/heart-rate-monitor
[INFO] finished tweaking git repo https://github.com/chengwu26/heart-rate-monitor
[INFO] tweaked toml for git repo https://github.com/chengwu26/heart-rate-monitor written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chengwu26/heart-rate-monitor on toolchain 1ed2df61a19042f231709eb05d032ae9e2cb2084
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chengwu26/heart-rate-monitor 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" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262
[INFO] running `Command { std: "docker" "start" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262", 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" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262", 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" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "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/app/view.rs:224:15
[INFO] [stdout]     |
[INFO] [stdout] 224 |         .step(0.01);
[INFO] [stdout]     |               ^^^^ help: explicitly specify the type as `f32`: `0.01_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/app/view.rs:224:15
[INFO] [stdout]     |
[INFO] [stdout] 224 |         .step(0.01);
[INFO] [stdout]     |               ^^^^ help: explicitly specify the type as `f32`: `0.01_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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: winit v0.30.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262", kill_on_drop: false }`
[INFO] [stdout] be1c8f784c544cbc6e780ecaf0961dac77c4a17a4af50faf9d349f2bf9777262
