[INFO] cloning repository https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwild%2FMultichannel-Realtime-Spectrum-Analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwild%2FMultichannel-Realtime-Spectrum-Analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0315e416db9928c8902d44e03802df25f46bd87
[INFO] checking gwild/Multichannel-Realtime-Spectrum-Analyzer against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwild%2FMultichannel-Realtime-Spectrum-Analyzer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer
[INFO] finished tweaking git repo https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer
[INFO] tweaked toml for git repo https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gwild/Multichannel-Realtime-Spectrum-Analyzer 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "663169e7e9bd9ee304483f9b70e62f73b99752afbfa928d188f7666bd3b5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "663169e7e9bd9ee304483f9b70e62f73b99752afbfa928d188f7666bd3b5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663169e7e9bd9ee304483f9b70e62f73b99752afbfa928d188f7666bd3b5c6e6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "6fcc840b171c9997ce3ed7cf03c436d456d1c1b5565d2855e745571f51dfa314", kill_on_drop: false }`
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[INFO] [stdout] warning: constant `MAX_BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/audio_stream.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_BUFFER_SIZE: usize = 4096; // Define a max buffer size
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/audio_stream.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_BUFFER_SIZE: usize = 4096; // Define a max buffer size
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_i32_buffer_to_f32` is never used
[INFO] [stdout]  --> src/convert.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn convert_i32_buffer_to_f32(input_buffer: &[i32]) -> Vec<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_i32_buffer_to_f32` is never used
[INFO] [stdout]  --> src/convert.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn convert_i32_buffer_to_f32(input_buffer: &[i32]) -> Vec<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 | /             eframe::run_native(
[INFO] [stdout] 129 | |                 "Real-Time Spectrum Analyzer",
[INFO] [stdout] 130 | |                 native_options,
[INFO] [stdout] 131 | |                 Box::new(move |_cc| {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |                 }),
[INFO] [stdout] 136 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let _ = eframe::run_native(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 | /             eframe::run_native(
[INFO] [stdout] 129 | |                 "Real-Time Spectrum Analyzer",
[INFO] [stdout] 130 | |                 native_options,
[INFO] [stdout] 131 | |                 Box::new(move |_cc| {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |                 }),
[INFO] [stdout] 136 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let _ = eframe::run_native(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "6fcc840b171c9997ce3ed7cf03c436d456d1c1b5565d2855e745571f51dfa314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcc840b171c9997ce3ed7cf03c436d456d1c1b5565d2855e745571f51dfa314", kill_on_drop: false }`
[INFO] [stdout] 6fcc840b171c9997ce3ed7cf03c436d456d1c1b5565d2855e745571f51dfa314
