[INFO] fetching crate decibel 0.1.2...
[INFO] testing decibel-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate decibel 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate decibel 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decibel 0.1.2
[INFO] finished tweaking crates.io crate decibel 0.1.2
[INFO] tweaked toml for crates.io crate decibel 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8296830c13201bf1ab1da8a4831bc39c0ce6e2724002fb606a1c65d744db88c
[INFO] running `Command { std: "docker" "start" "-a" "b8296830c13201bf1ab1da8a4831bc39c0ce6e2724002fb606a1c65d744db88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8296830c13201bf1ab1da8a4831bc39c0ce6e2724002fb606a1c65d744db88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8296830c13201bf1ab1da8a4831bc39c0ce6e2724002fb606a1c65d744db88c", kill_on_drop: false }`
[INFO] [stdout] b8296830c13201bf1ab1da8a4831bc39c0ce6e2724002fb606a1c65d744db88c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef792cbf2bbd60c235b4a45ea18b0563a07f26d287b400268f70a2cde3a2610
[INFO] running `Command { std: "docker" "start" "-a" "0ef792cbf2bbd60c235b4a45ea18b0563a07f26d287b400268f70a2cde3a2610", kill_on_drop: false }`
[INFO] [stderr]    Compiling decibel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "0ef792cbf2bbd60c235b4a45ea18b0563a07f26d287b400268f70a2cde3a2610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef792cbf2bbd60c235b4a45ea18b0563a07f26d287b400268f70a2cde3a2610", kill_on_drop: false }`
[INFO] [stdout] 0ef792cbf2bbd60c235b4a45ea18b0563a07f26d287b400268f70a2cde3a2610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff5cff38524697a80bc1fbe72d4ac489e9d76370a1cfac2cbb10952c8c2c2b5
[INFO] running `Command { std: "docker" "start" "-a" "cff5cff38524697a80bc1fbe72d4ac489e9d76370a1cfac2cbb10952c8c2c2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling decibel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "cff5cff38524697a80bc1fbe72d4ac489e9d76370a1cfac2cbb10952c8c2c2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff5cff38524697a80bc1fbe72d4ac489e9d76370a1cfac2cbb10952c8c2c2b5", kill_on_drop: false }`
[INFO] [stdout] cff5cff38524697a80bc1fbe72d4ac489e9d76370a1cfac2cbb10952c8c2c2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fff72bd7b9ebea8423c73ebf28e2ab6c35f82cf72ea489cc8714073fdba1b753
[INFO] running `Command { std: "docker" "start" "-a" "fff72bd7b9ebea8423c73ebf28e2ab6c35f82cf72ea489cc8714073fdba1b753", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/decibel-71741817df11ba2d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_amplitude_to_decibels_with_different_values ... ok
[INFO] [stderr]    Doc-tests decibel
[INFO] [stdout] test test::test_decibels_to_amplitude_with_different_values_f32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fff72bd7b9ebea8423c73ebf28e2ab6c35f82cf72ea489cc8714073fdba1b753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff72bd7b9ebea8423c73ebf28e2ab6c35f82cf72ea489cc8714073fdba1b753", kill_on_drop: false }`
[INFO] [stdout] fff72bd7b9ebea8423c73ebf28e2ab6c35f82cf72ea489cc8714073fdba1b753