[INFO] fetching crate prototty_audio 0.29.0...
[INFO] testing prototty_audio-0.29.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate prototty_audio 0.29.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate prototty_audio 0.29.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prototty_audio 0.29.0
[INFO] finished tweaking crates.io crate prototty_audio 0.29.0
[INFO] tweaked toml for crates.io crate prototty_audio 0.29.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f2f77990142b1e239e53a97b4f311e89e60d1492934f465dfd4514e9c3df5e
[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" "a4f2f77990142b1e239e53a97b4f311e89e60d1492934f465dfd4514e9c3df5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f2f77990142b1e239e53a97b4f311e89e60d1492934f465dfd4514e9c3df5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f2f77990142b1e239e53a97b4f311e89e60d1492934f465dfd4514e9c3df5e", kill_on_drop: false }`
[INFO] [stdout] a4f2f77990142b1e239e53a97b4f311e89e60d1492934f465dfd4514e9c3df5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73669fe22b00f03a644546479e3b393e31de737dfa2b377eb2e0e6bdea8bddb9
[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" "73669fe22b00f03a644546479e3b393e31de737dfa2b377eb2e0e6bdea8bddb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_audio v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "73669fe22b00f03a644546479e3b393e31de737dfa2b377eb2e0e6bdea8bddb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73669fe22b00f03a644546479e3b393e31de737dfa2b377eb2e0e6bdea8bddb9", kill_on_drop: false }`
[INFO] [stdout] 73669fe22b00f03a644546479e3b393e31de737dfa2b377eb2e0e6bdea8bddb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3ff42153ae3e4d9af030c6954765ee4db6d1f03b1aea8b4f1028693c0e3835
[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" "7a3ff42153ae3e4d9af030c6954765ee4db6d1f03b1aea8b4f1028693c0e3835", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_audio v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "7a3ff42153ae3e4d9af030c6954765ee4db6d1f03b1aea8b4f1028693c0e3835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3ff42153ae3e4d9af030c6954765ee4db6d1f03b1aea8b4f1028693c0e3835", kill_on_drop: false }`
[INFO] [stdout] 7a3ff42153ae3e4d9af030c6954765ee4db6d1f03b1aea8b4f1028693c0e3835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] b949fd8e2adc1e469d9a0e6153dd726b80b7b0d5ac3781cf5e6882585a53d7df
[INFO] running `Command { std: "docker" "start" "-a" "b949fd8e2adc1e469d9a0e6153dd726b80b7b0d5ac3781cf5e6882585a53d7df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prototty_audio-2d059f8e59441b9f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prototty_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" "b949fd8e2adc1e469d9a0e6153dd726b80b7b0d5ac3781cf5e6882585a53d7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b949fd8e2adc1e469d9a0e6153dd726b80b7b0d5ac3781cf5e6882585a53d7df", kill_on_drop: false }`
[INFO] [stdout] b949fd8e2adc1e469d9a0e6153dd726b80b7b0d5ac3781cf5e6882585a53d7df