[INFO] cloning repository https://github.com/OseMine/variable-effects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OseMine/variable-effects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOseMine%2Fvariable-effects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOseMine%2Fvariable-effects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b1eaef8c319e49fb7c6ca9228abd639a062443
[INFO] checking OseMine/variable-effects against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOseMine%2Fvariable-effects" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OseMine/variable-effects on toolchain 43ca9d18e333797f0aa3b525501a7cec8d61a96b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/OseMine/variable-effects
[INFO] finished tweaking git repo https://github.com/OseMine/variable-effects
[INFO] tweaked toml for git repo https://github.com/OseMine/variable-effects written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/OseMine/variable-effects 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" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/robbert-vdh/nih-plug.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2190102f45511850e477480d5e5bc43be7b5232c326bf9acb7fa666a2eae1f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2190102f45511850e477480d5e5bc43be7b5232c326bf9acb7fa666a2eae1f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2190102f45511850e477480d5e5bc43be7b5232c326bf9acb7fa666a2eae1f2a", kill_on_drop: false }`
[INFO] [stdout] 2190102f45511850e477480d5e5bc43be7b5232c326bf9acb7fa666a2eae1f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9819bdbf232aea7589a76c33db17fddd43b8891e6842b5b94f2e6f51155653
[INFO] running `Command { std: "docker" "start" "-a" "6e9819bdbf232aea7589a76c33db17fddd43b8891e6842b5b94f2e6f51155653", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.214
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[INFO] [stderr]     Checking variable-effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `voices`
[INFO] [stdout]   --> src/effects/chorus.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let voices = self.params.voices.value() as usize;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_voices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay`
[INFO] [stdout]   --> src/effects/chorus.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let delay = self.params.delay.value();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stereo_width`
[INFO] [stdout]   --> src/effects/chorus.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let stereo_width = self.params.stereo_width.value();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stereo_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `voices`
[INFO] [stdout]   --> src/effects/chorus.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let voices = self.params.voices.value() as usize;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_voices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay`
[INFO] [stdout]   --> src/effects/chorus.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let delay = self.params.delay.value();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stereo_width`
[INFO] [stdout]   --> src/effects/chorus.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let stereo_width = self.params.stereo_width.value();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stereo_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: anymap v1.0.0-beta.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6e9819bdbf232aea7589a76c33db17fddd43b8891e6842b5b94f2e6f51155653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9819bdbf232aea7589a76c33db17fddd43b8891e6842b5b94f2e6f51155653", kill_on_drop: false }`
[INFO] [stdout] 6e9819bdbf232aea7589a76c33db17fddd43b8891e6842b5b94f2e6f51155653