[INFO] fetching crate btleplug 0.8.1...
[INFO] checking btleplug-0.8.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate btleplug 0.8.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate btleplug 0.8.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btleplug 0.8.1
[INFO] finished tweaking crates.io crate btleplug 0.8.1
[INFO] tweaked toml for crates.io crate btleplug 0.8.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate btleplug 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21016aa396a6c2bff22b3a79c2de0810b1381ddb310f956a7d47d53a8bc58dff
[INFO] running `Command { std: "docker" "start" "-a" "21016aa396a6c2bff22b3a79c2de0810b1381ddb310f956a7d47d53a8bc58dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21016aa396a6c2bff22b3a79c2de0810b1381ddb310f956a7d47d53a8bc58dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21016aa396a6c2bff22b3a79c2de0810b1381ddb310f956a7d47d53a8bc58dff", kill_on_drop: false }`
[INFO] [stdout] 21016aa396a6c2bff22b3a79c2de0810b1381ddb310f956a7d47d53a8bc58dff
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 421e23e37d303ca778b4c6a389c21980be768a0426cce178ab09aba5b0eebe94
[INFO] running `Command { std: "docker" "start" "-a" "421e23e37d303ca778b4c6a389c21980be768a0426cce178ab09aba5b0eebe94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling btleplug v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking dbus v0.9.3
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking dbus-tokio v0.7.3
[INFO] [stderr]     Checking bluez-generated v0.2.1
[INFO] [stderr]     Checking bluez-async v0.3.1
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]   --> src/bluez/adapter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     adapter: AdapterId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `async_senders`
[INFO] [stdout]   --> src/common/adapter_manager.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     async_senders: Arc<Mutex<Vec<UnboundedSender<CentralEvent>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit`
[INFO] [stdout]   --> src/common/adapter_manager.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn emit(&self, event: CentralEvent) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event_stream`
[INFO] [stdout]   --> src/common/adapter_manager.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn event_stream(&self) -> Pin<Box<dyn Stream<Item = CentralEvent> + Send>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_peripheral`
[INFO] [stdout]   --> src/common/adapter_manager.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_peripheral(&self, addr: BDAddr, peripheral: PeripheralType) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripherals`
[INFO] [stdout]   --> src/common/adapter_manager.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn peripherals(&self) -> Vec<PeripheralType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripheral_mut`
[INFO] [stdout]   --> src/common/adapter_manager.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn peripheral_mut(&self, address: BDAddr) -> Option<RefMut<BDAddr, PeripheralType>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripheral`
[INFO] [stdout]   --> src/common/adapter_manager.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn peripheral(&self, address: BDAddr) -> Option<PeripheralType> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `send_notification`
[INFO] [stdout]   --> src/common/util.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn send_notification<T: Clone>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]   --> src/bluez/adapter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     adapter: AdapterId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `async_senders`
[INFO] [stdout]   --> src/common/adapter_manager.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     async_senders: Arc<Mutex<Vec<UnboundedSender<CentralEvent>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit`
[INFO] [stdout]   --> src/common/adapter_manager.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn emit(&self, event: CentralEvent) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event_stream`
[INFO] [stdout]   --> src/common/adapter_manager.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn event_stream(&self) -> Pin<Box<dyn Stream<Item = CentralEvent> + Send>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_peripheral`
[INFO] [stdout]   --> src/common/adapter_manager.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_peripheral(&self, addr: BDAddr, peripheral: PeripheralType) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripherals`
[INFO] [stdout]   --> src/common/adapter_manager.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn peripherals(&self) -> Vec<PeripheralType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripheral_mut`
[INFO] [stdout]   --> src/common/adapter_manager.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn peripheral_mut(&self, address: BDAddr) -> Option<RefMut<BDAddr, PeripheralType>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peripheral`
[INFO] [stdout]   --> src/common/adapter_manager.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn peripheral(&self, address: BDAddr) -> Option<PeripheralType> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `send_notification`
[INFO] [stdout]   --> src/common/util.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn send_notification<T: Clone>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.93s
[INFO] running `Command { std: "docker" "inspect" "421e23e37d303ca778b4c6a389c21980be768a0426cce178ab09aba5b0eebe94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421e23e37d303ca778b4c6a389c21980be768a0426cce178ab09aba5b0eebe94", kill_on_drop: false }`
[INFO] [stdout] 421e23e37d303ca778b4c6a389c21980be768a0426cce178ab09aba5b0eebe94