[INFO] cloning repository https://github.com/vietlq/test-btleplug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vietlq/test-btleplug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvietlq%2Ftest-btleplug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvietlq%2Ftest-btleplug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd593fcb5a05ac8a2c642fa22db27348e1775d22
[INFO] checking vietlq/test-btleplug against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvietlq%2Ftest-btleplug" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vietlq/test-btleplug on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vietlq/test-btleplug
[INFO] finished tweaking git repo https://github.com/vietlq/test-btleplug
[INFO] tweaked toml for git repo https://github.com/vietlq/test-btleplug written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vietlq/test-btleplug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61aa439807767c8b2a82f282fa068c6c1a89dd2c8b9351a064a622894541e640
[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" "61aa439807767c8b2a82f282fa068c6c1a89dd2c8b9351a064a622894541e640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61aa439807767c8b2a82f282fa068c6c1a89dd2c8b9351a064a622894541e640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61aa439807767c8b2a82f282fa068c6c1a89dd2c8b9351a064a622894541e640", kill_on_drop: false }`
[INFO] [stdout] 61aa439807767c8b2a82f282fa068c6c1a89dd2c8b9351a064a622894541e640
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb927f288c9901963bfd380f83d62ca752549b14f4b1f74e22adfb93b1d7e927
[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" "fb927f288c9901963bfd380f83d62ca752549b14f4b1f74e22adfb93b1d7e927", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking winrt v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking btleplug v0.4.2
[INFO] [stderr]     Checking test-btleplug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EventHandler`, `UUID`
[INFO] [stdout]  --> src/main.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use btleplug::api::{Central, CentralEvent, EventHandler, Peripheral, UUID};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{thread_rng, Rng};
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FutureExt`, `Receiver`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prelude::{FutureExt, StreamExt},
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 16 |     sync::{channel, Receiver},
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventHandler`, `UUID`
[INFO] [stdout]  --> src/main.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use btleplug::api::{Central, CentralEvent, EventHandler, Peripheral, UUID};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{thread_rng, Rng};
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FutureExt`, `Receiver`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prelude::{FutureExt, StreamExt},
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 16 |     sync::{channel, Receiver},
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Peripheral`
[INFO] [stdout]  --> src/main.rs:4:58
[INFO] [stdout]   |
[INFO] [stdout] 4 | use btleplug::api::{Central, CentralEvent, EventHandler, Peripheral, UUID};
[INFO] [stdout]   |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prelude::{FutureExt, StreamExt},
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `central_clone`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let central_clone = central.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_central_clone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_receiver`
[INFO] [stdout]   --> src/main.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (event_sender, event_receiver) = channel(256);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Peripheral`
[INFO] [stdout]  --> src/main.rs:4:58
[INFO] [stdout]   |
[INFO] [stdout] 4 | use btleplug::api::{Central, CentralEvent, EventHandler, Peripheral, UUID};
[INFO] [stdout]   |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prelude::{FutureExt, StreamExt},
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `central_clone`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let central_clone = central.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_central_clone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_receiver`
[INFO] [stdout]   --> src/main.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (event_sender, event_receiver) = channel(256);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "fb927f288c9901963bfd380f83d62ca752549b14f4b1f74e22adfb93b1d7e927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb927f288c9901963bfd380f83d62ca752549b14f4b1f74e22adfb93b1d7e927", kill_on_drop: false }`
[INFO] [stdout] fb927f288c9901963bfd380f83d62ca752549b14f4b1f74e22adfb93b1d7e927