[INFO] fetching crate joycon-rs 0.6.1...
[INFO] checking joycon-rs-0.6.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[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 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hidapi-alt-for-hidapi-issue-127 v1.2.1
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ec01d37db16a59b413912e000b093fd50b9990c24f13525a099a124a0888b71
[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" "7ec01d37db16a59b413912e000b093fd50b9990c24f13525a099a124a0888b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec01d37db16a59b413912e000b093fd50b9990c24f13525a099a124a0888b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec01d37db16a59b413912e000b093fd50b9990c24f13525a099a124a0888b71", kill_on_drop: false }`
[INFO] [stdout] 7ec01d37db16a59b413912e000b093fd50b9990c24f13525a099a124a0888b71
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2611d5c7d328ec49b813a33acf8d940fcf243b9d77577a64e6f6e0a3fd5a83e1
[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" "2611d5c7d328ec49b813a33acf8d940fcf243b9d77577a64e6f6e0a3fd5a83e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hidapi-alt-for-hidapi-issue-127 v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "2611d5c7d328ec49b813a33acf8d940fcf243b9d77577a64e6f6e0a3fd5a83e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2611d5c7d328ec49b813a33acf8d940fcf243b9d77577a64e6f6e0a3fd5a83e1", kill_on_drop: false }`
[INFO] [stdout] 2611d5c7d328ec49b813a33acf8d940fcf243b9d77577a64e6f6e0a3fd5a83e1