[INFO] fetching crate rust-pulsectl 0.2.6...
[INFO] checking rust-pulsectl-0.2.6 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rust-pulsectl 0.2.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-pulsectl 0.2.6 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-pulsectl 0.2.6
[INFO] finished tweaking crates.io crate rust-pulsectl 0.2.6
[INFO] tweaked toml for crates.io crate rust-pulsectl 0.2.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rust-pulsectl 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 69dfdd8dc3da7699d1ae66b9cd85a75e1d77af8a3b28431177e8d844803167d5
[INFO] running `Command { std: "docker" "start" "-a" "69dfdd8dc3da7699d1ae66b9cd85a75e1d77af8a3b28431177e8d844803167d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69dfdd8dc3da7699d1ae66b9cd85a75e1d77af8a3b28431177e8d844803167d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69dfdd8dc3da7699d1ae66b9cd85a75e1d77af8a3b28431177e8d844803167d5", kill_on_drop: false }`
[INFO] [stdout] 69dfdd8dc3da7699d1ae66b9cd85a75e1d77af8a3b28431177e8d844803167d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9047b05f43fe1ad813f410f2f32ad496cf28026f51af2b47fea488fc006b4805
[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" "9047b05f43fe1ad813f410f2f32ad496cf28026f51af2b47fea488fc006b4805", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling libpulse-sys v1.11.0
[INFO] [stderr]     Checking libpulse-binding v2.14.0
[INFO] [stderr]     Checking rust-pulsectl v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/controllers/mod.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     ((volume * 100.0) * (f64::from(pulse::volume::VOLUME_NORM.0) / 100.0))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/controllers/mod.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     ((volume * 100.0) * (f64::from(pulse::volume::VOLUME_NORM.0) / 100.0))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "9047b05f43fe1ad813f410f2f32ad496cf28026f51af2b47fea488fc006b4805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9047b05f43fe1ad813f410f2f32ad496cf28026f51af2b47fea488fc006b4805", kill_on_drop: false }`
[INFO] [stdout] 9047b05f43fe1ad813f410f2f32ad496cf28026f51af2b47fea488fc006b4805