[INFO] cloning repository https://github.com/DJ-Laser/julia-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DJ-Laser/julia-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJ-Laser%2Fjulia-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJ-Laser%2Fjulia-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c68d9efb275fa13b670529cc553731818a298838
[INFO] checking DJ-Laser/julia-visualizer against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJ-Laser%2Fjulia-visualizer" "/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/DJ-Laser/julia-visualizer
[INFO] finished tweaking git repo https://github.com/DJ-Laser/julia-visualizer
[INFO] tweaked toml for git repo https://github.com/DJ-Laser/julia-visualizer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DJ-Laser/julia-visualizer on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DJ-Laser/julia-visualizer 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "4f13160883c8a711f9de1fed17704d5ca0877f6021c59a8e7b25b98ad726f840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f13160883c8a711f9de1fed17704d5ca0877f6021c59a8e7b25b98ad726f840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f13160883c8a711f9de1fed17704d5ca0877f6021c59a8e7b25b98ad726f840", kill_on_drop: false }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `input_stream` is never read
[INFO] [stdout]  --> src/audio.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AudioProcessor {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 9 |   input_stream: cpal::Stream,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resolution` is never used
[INFO] [stdout]   --> src/audio.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl AudioProcessor {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |   pub fn resolution(&self) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_device_supported` is never used
[INFO] [stdout]    --> src/audio.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn is_device_supported(device: &cpal::Device) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_stream` is never read
[INFO] [stdout]  --> src/audio.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AudioProcessor {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 9 |   input_stream: cpal::Stream,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resolution` is never used
[INFO] [stdout]   --> src/audio.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl AudioProcessor {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |   pub fn resolution(&self) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_device_supported` is never used
[INFO] [stdout]    --> src/audio.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn is_device_supported(device: &cpal::Device) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "afcb0585c6d0220d8497595f64d2c1a68d89a776a2ffac41d7d405a28e610bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcb0585c6d0220d8497595f64d2c1a68d89a776a2ffac41d7d405a28e610bc5", kill_on_drop: false }`
[INFO] [stdout] afcb0585c6d0220d8497595f64d2c1a68d89a776a2ffac41d7d405a28e610bc5