[INFO] crate audio 0.1.0 is already in cache
[INFO] testing audio-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate audio 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate audio 0.1.0 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 crates.io crate audio 0.1.0
[INFO] finished tweaking crates.io crate audio 0.1.0
[INFO] tweaked toml for crates.io crate audio 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9df3ea0f902acb74165566a770d2f5de200500523e75db5b0ee581eab0cfd64
[INFO] running `Command { std: "docker" "start" "-a" "f9df3ea0f902acb74165566a770d2f5de200500523e75db5b0ee581eab0cfd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9df3ea0f902acb74165566a770d2f5de200500523e75db5b0ee581eab0cfd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9df3ea0f902acb74165566a770d2f5de200500523e75db5b0ee581eab0cfd64", kill_on_drop: false }`
[INFO] [stdout] f9df3ea0f902acb74165566a770d2f5de200500523e75db5b0ee581eab0cfd64
[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" "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] 0e6f47e85fd865bafa1c342e87eecc203c628b4fe4fff0b76bc1abd3769f96bf
[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" "0e6f47e85fd865bafa1c342e87eecc203c628b4fe4fff0b76bc1abd3769f96bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "0e6f47e85fd865bafa1c342e87eecc203c628b4fe4fff0b76bc1abd3769f96bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6f47e85fd865bafa1c342e87eecc203c628b4fe4fff0b76bc1abd3769f96bf", kill_on_drop: false }`
[INFO] [stdout] 0e6f47e85fd865bafa1c342e87eecc203c628b4fe4fff0b76bc1abd3769f96bf
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 450f9325cdae75d92fb59b8426e6e633e1cbe4595db13c4bdb3fcfa03ad734ae
[INFO] running `Command { std: "docker" "start" "-a" "450f9325cdae75d92fb59b8426e6e633e1cbe4595db13c4bdb3fcfa03ad734ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "450f9325cdae75d92fb59b8426e6e633e1cbe4595db13c4bdb3fcfa03ad734ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450f9325cdae75d92fb59b8426e6e633e1cbe4595db13c4bdb3fcfa03ad734ae", kill_on_drop: false }`
[INFO] [stdout] 450f9325cdae75d92fb59b8426e6e633e1cbe4595db13c4bdb3fcfa03ad734ae
[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" "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] 9c6bea1caebe0f99810b77144c95296001ce00a0767b0ecf75fa19ced0b67d7e
[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" "9c6bea1caebe0f99810b77144c95296001ce00a0767b0ecf75fa19ced0b67d7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/audio-92ab06b7d960692b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests audio
[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] [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" "9c6bea1caebe0f99810b77144c95296001ce00a0767b0ecf75fa19ced0b67d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6bea1caebe0f99810b77144c95296001ce00a0767b0ecf75fa19ced0b67d7e", kill_on_drop: false }`
[INFO] [stdout] 9c6bea1caebe0f99810b77144c95296001ce00a0767b0ecf75fa19ced0b67d7e