[INFO] cloning repository https://github.com/halbgut/mybar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/halbgut/mybar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aad6cb3492f7c06207790413967602b51c411d78
[INFO] checking halbgut/mybar against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/halbgut/mybar on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/halbgut/mybar
[INFO] finished tweaking git repo https://github.com/halbgut/mybar
[INFO] tweaked toml for git repo https://github.com/halbgut/mybar written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/halbgut/mybar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ef4fc84348203c7b1b474dd19a995386328ff579ed6368b6ebca082e7a6c5b2
[INFO] running `Command { std: "docker" "start" "-a" "2ef4fc84348203c7b1b474dd19a995386328ff579ed6368b6ebca082e7a6c5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef4fc84348203c7b1b474dd19a995386328ff579ed6368b6ebca082e7a6c5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef4fc84348203c7b1b474dd19a995386328ff579ed6368b6ebca082e7a6c5b2", kill_on_drop: false }`
[INFO] [stdout] 2ef4fc84348203c7b1b474dd19a995386328ff579ed6368b6ebca082e7a6c5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f4cfda7f3c330b193f2613989c678950f2a34f72f3ffcdbc11ea41833f3f0b
[INFO] running `Command { std: "docker" "start" "-a" "64f4cfda7f3c330b193f2613989c678950f2a34f72f3ffcdbc11ea41833f3f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling libpulse-sys v1.5.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking libpulse-binding v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking mybar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]   --> src/i3.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     handle: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]    --> src/audio.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |      fn listen(&mut self) {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/i3.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   &line_keys.push(item.name.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]   --> src/i3.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     handle: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]    --> src/audio.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |      fn listen(&mut self) {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/i3.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   &line_keys.push(item.name.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.38s
[INFO] running `Command { std: "docker" "inspect" "64f4cfda7f3c330b193f2613989c678950f2a34f72f3ffcdbc11ea41833f3f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f4cfda7f3c330b193f2613989c678950f2a34f72f3ffcdbc11ea41833f3f0b", kill_on_drop: false }`
[INFO] [stdout] 64f4cfda7f3c330b193f2613989c678950f2a34f72f3ffcdbc11ea41833f3f0b