[INFO] fetching crate rust-pulsectl 0.2.6...
[INFO] checking rust-pulsectl-0.2.6 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate rust-pulsectl 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-pulsectl 0.2.6 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libpulse-sys v1.11.0
[INFO] [stderr]   Downloaded libpulse-binding v2.14.0
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 96e2bad23ea8f0989f10f676ec314755aa8cdc535676ff5221fdc3d74db546a1
[INFO] running `Command { std: "docker" "start" "-a" "96e2bad23ea8f0989f10f676ec314755aa8cdc535676ff5221fdc3d74db546a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e2bad23ea8f0989f10f676ec314755aa8cdc535676ff5221fdc3d74db546a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e2bad23ea8f0989f10f676ec314755aa8cdc535676ff5221fdc3d74db546a1", kill_on_drop: false }`
[INFO] [stdout] 96e2bad23ea8f0989f10f676ec314755aa8cdc535676ff5221fdc3d74db546a1
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aae7a07e86ac1abf17e50b446f459864b7a9634f9d65a1768d42e5afded149b
[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" "3aae7a07e86ac1abf17e50b446f459864b7a9634f9d65a1768d42e5afded149b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 6.20s
[INFO] running `Command { std: "docker" "inspect" "3aae7a07e86ac1abf17e50b446f459864b7a9634f9d65a1768d42e5afded149b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aae7a07e86ac1abf17e50b446f459864b7a9634f9d65a1768d42e5afded149b", kill_on_drop: false }`
[INFO] [stdout] 3aae7a07e86ac1abf17e50b446f459864b7a9634f9d65a1768d42e5afded149b