[INFO] fetching crate rsmixer 0.5.0...
[INFO] checking rsmixer-0.5.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rsmixer 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rsmixer 0.5.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsmixer 0.5.0
[INFO] finished tweaking crates.io crate rsmixer 0.5.0
[INFO] tweaked toml for crates.io crate rsmixer 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rsmixer 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 980eaaf474a914f2694b64e32502304c0085e7233ed98a53dcebeb98d2d70534
[INFO] running `Command { std: "docker" "start" "-a" "980eaaf474a914f2694b64e32502304c0085e7233ed98a53dcebeb98d2d70534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "980eaaf474a914f2694b64e32502304c0085e7233ed98a53dcebeb98d2d70534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980eaaf474a914f2694b64e32502304c0085e7233ed98a53dcebeb98d2d70534", kill_on_drop: false }`
[INFO] [stdout] 980eaaf474a914f2694b64e32502304c0085e7233ed98a53dcebeb98d2d70534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--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] 13224e0e6c45c50221e677e12908b8e792eaf919e62feff0ecfa3a2f46d5268b
[INFO] running `Command { std: "docker" "start" "-a" "13224e0e6c45c50221e677e12908b8e792eaf919e62feff0ecfa3a2f46d5268b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling async-trait v0.1.45
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling libpulse-sys v1.17.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex v1.3.8
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking state v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking libpulse-binding v2.22.0
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking tokio-stream v0.1.4
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking rsmixer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pulse::volume`
[INFO] [stdout]  --> src/models/state/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pulse::volume;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pulse::volume`
[INFO] [stdout]  --> src/models/state/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pulse::volume;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.07s
[INFO] running `Command { std: "docker" "inspect" "13224e0e6c45c50221e677e12908b8e792eaf919e62feff0ecfa3a2f46d5268b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13224e0e6c45c50221e677e12908b8e792eaf919e62feff0ecfa3a2f46d5268b", kill_on_drop: false }`
[INFO] [stdout] 13224e0e6c45c50221e677e12908b8e792eaf919e62feff0ecfa3a2f46d5268b