[INFO] cloning repository https://github.com/ThatsGobbles/biquad-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/biquad-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fbiquad-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fbiquad-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa009aa5ffaf0005bf16174d3fc5e4861dc72231
[INFO] checking ThatsGobbles/biquad-test against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fbiquad-test" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/biquad-test on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/biquad-test
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/biquad-test
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/biquad-test written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/biquad-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c747a3f6f1179a39e1a6a6e0d1cf1f9f7c6bacfd4eae82965db240509b0b384a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c747a3f6f1179a39e1a6a6e0d1cf1f9f7c6bacfd4eae82965db240509b0b384a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c747a3f6f1179a39e1a6a6e0d1cf1f9f7c6bacfd4eae82965db240509b0b384a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c747a3f6f1179a39e1a6a6e0d1cf1f9f7c6bacfd4eae82965db240509b0b384a", kill_on_drop: false }`
[INFO] [stdout] c747a3f6f1179a39e1a6a6e0d1cf1f9f7c6bacfd4eae82965db240509b0b384a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b29e52a332732222d4049ca42c31b788be8df90ee99ee90dfb5a54141cd5feda
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b29e52a332732222d4049ca42c31b788be8df90ee99ee90dfb5a54141cd5feda", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking biquad v0.3.0
[INFO] [stderr]     Checking biquad-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `coeffs`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let coeffs = Coefficients::<f32>::from_params(Type::LowPass, fs, f0, Q_BUTTERWORTH_F32);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_coeffs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coeffs`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let coeffs = Coefficients::<f32>::from_params(Type::LowPass, fs, f0, Q_BUTTERWORTH_F32);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_coeffs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "b29e52a332732222d4049ca42c31b788be8df90ee99ee90dfb5a54141cd5feda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29e52a332732222d4049ca42c31b788be8df90ee99ee90dfb5a54141cd5feda", kill_on_drop: false }`
[INFO] [stdout] b29e52a332732222d4049ca42c31b788be8df90ee99ee90dfb5a54141cd5feda