[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa009aa5ffaf0005bf16174d3fc5e4861dc72231
[INFO] testing ThatsGobbles/biquad-test against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fbiquad-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/biquad-test on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50184e20a10c4ff06ff477f5d7fd60536b7090fa0559597e5b50f1aea7e5ab67
[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" "50184e20a10c4ff06ff477f5d7fd60536b7090fa0559597e5b50f1aea7e5ab67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50184e20a10c4ff06ff477f5d7fd60536b7090fa0559597e5b50f1aea7e5ab67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50184e20a10c4ff06ff477f5d7fd60536b7090fa0559597e5b50f1aea7e5ab67", kill_on_drop: false }`
[INFO] [stdout] 50184e20a10c4ff06ff477f5d7fd60536b7090fa0559597e5b50f1aea7e5ab67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7322252f616ad26b80f6961ffbb73e9287c4d4ace2a4c476c794c6d1b64715b8
[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" "7322252f616ad26b80f6961ffbb73e9287c4d4ace2a4c476c794c6d1b64715b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling biquad v0.3.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "7322252f616ad26b80f6961ffbb73e9287c4d4ace2a4c476c794c6d1b64715b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7322252f616ad26b80f6961ffbb73e9287c4d4ace2a4c476c794c6d1b64715b8", kill_on_drop: false }`
[INFO] [stdout] 7322252f616ad26b80f6961ffbb73e9287c4d4ace2a4c476c794c6d1b64715b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783111ff60501a3cfdfbe75493ca60bcedd5141483027b7e8aa9fd8c89edb45d
[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" "783111ff60501a3cfdfbe75493ca60bcedd5141483027b7e8aa9fd8c89edb45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "783111ff60501a3cfdfbe75493ca60bcedd5141483027b7e8aa9fd8c89edb45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783111ff60501a3cfdfbe75493ca60bcedd5141483027b7e8aa9fd8c89edb45d", kill_on_drop: false }`
[INFO] [stdout] 783111ff60501a3cfdfbe75493ca60bcedd5141483027b7e8aa9fd8c89edb45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ec7725bbbda032f10fcf579018d3aa448c8535d12267a5ed79ff8b251ec699
[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" "96ec7725bbbda032f10fcf579018d3aa448c8535d12267a5ed79ff8b251ec699", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `coeffs`
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let coeffs = Coefficients::<f32>::from_params(Type::LowPass, fs, f0, Q_BUTTERWORTH_F32);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_coeffs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/biquad_test-226b028ae54ba39d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96ec7725bbbda032f10fcf579018d3aa448c8535d12267a5ed79ff8b251ec699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ec7725bbbda032f10fcf579018d3aa448c8535d12267a5ed79ff8b251ec699", kill_on_drop: false }`
[INFO] [stdout] 96ec7725bbbda032f10fcf579018d3aa448c8535d12267a5ed79ff8b251ec699