[INFO] fetching crate joycon-rs 0.6.1...
[INFO] checking joycon-rs-0.6.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate joycon-rs 0.6.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate joycon-rs 0.6.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate joycon-rs 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate joycon-rs 0.6.1
[INFO] tweaked toml for crates.io crate joycon-rs 0.6.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate joycon-rs 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] eb63df7ccaec3fc6819fff954e808994dff56c3a83ba322a3562f6d531ebfe13
[INFO] running `Command { std: "docker" "start" "-a" "eb63df7ccaec3fc6819fff954e808994dff56c3a83ba322a3562f6d531ebfe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb63df7ccaec3fc6819fff954e808994dff56c3a83ba322a3562f6d531ebfe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb63df7ccaec3fc6819fff954e808994dff56c3a83ba322a3562f6d531ebfe13", kill_on_drop: false }`
[INFO] [stdout] eb63df7ccaec3fc6819fff954e808994dff56c3a83ba322a3562f6d531ebfe13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eeb4efb4ddf23e87f74833a4bccd4b20feb903d886883b0b5aa84466e72e472
[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" "9eeb4efb4ddf23e87f74833a4bccd4b20feb903d886883b0b5aa84466e72e472", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling hidapi-alt-for-hidapi-issue-127 v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking joycon-rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `scanner`
[INFO] [stdout]   --> src/joycon/manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     scanner: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `scanner`
[INFO] [stdout]   --> src/joycon/manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     scanner: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 3.89s
[INFO] running `Command { std: "docker" "inspect" "9eeb4efb4ddf23e87f74833a4bccd4b20feb903d886883b0b5aa84466e72e472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eeb4efb4ddf23e87f74833a4bccd4b20feb903d886883b0b5aa84466e72e472", kill_on_drop: false }`
[INFO] [stdout] 9eeb4efb4ddf23e87f74833a4bccd4b20feb903d886883b0b5aa84466e72e472