[INFO] fetching crate bluster 0.2.0...
[INFO] checking bluster-0.2.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate bluster 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bluster 0.2.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluster 0.2.0
[INFO] finished tweaking crates.io crate bluster 0.2.0
[INFO] tweaked toml for crates.io crate bluster 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbus-tree v0.9.2
[INFO] [stderr]   Downloaded futures-executor v0.3.29
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded dbus-crossroads v0.3.0
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded dbus v0.9.7
[INFO] [stderr]   Downloaded dbus-tokio v0.7.6
[INFO] [stderr]   Downloaded libdbus-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04759cb156bd360c9b0737ab76df51cc052da70d378984725aec6b011d5e99f8
[INFO] running `Command { std: "docker" "start" "-a" "04759cb156bd360c9b0737ab76df51cc052da70d378984725aec6b011d5e99f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04759cb156bd360c9b0737ab76df51cc052da70d378984725aec6b011d5e99f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04759cb156bd360c9b0737ab76df51cc052da70d378984725aec6b011d5e99f8", kill_on_drop: false }`
[INFO] [stdout] 04759cb156bd360c9b0737ab76df51cc052da70d378984725aec6b011d5e99f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26af3600cdcdae8bc3f9d104aa964f311d0cfdf0bf1e8bd009b9002cd553c27
[INFO] running `Command { std: "docker" "start" "-a" "c26af3600cdcdae8bc3f9d104aa964f311d0cfdf0bf1e8bd009b9002cd553c27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking dbus v0.9.7
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking dbus-tokio v0.7.6
[INFO] [stderr]     Checking dbus-tree v0.9.2
[INFO] [stderr]     Checking dbus-crossroads v0.3.0
[INFO] [stderr]     Checking bluster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/gatt/characteristic.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Characteristic {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Characteristic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/gatt/descriptor.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Descriptor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Descriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]   --> src/peripheral/bluez/advertisement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Advertisement {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     tree: Arc<Mutex<common::Tree>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Advertisement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/gatt/characteristic.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Characteristic {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Characteristic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/gatt/descriptor.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Descriptor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Descriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]   --> src/peripheral/bluez/advertisement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Advertisement {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     tree: Arc<Mutex<common::Tree>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Advertisement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "c26af3600cdcdae8bc3f9d104aa964f311d0cfdf0bf1e8bd009b9002cd553c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26af3600cdcdae8bc3f9d104aa964f311d0cfdf0bf1e8bd009b9002cd553c27", kill_on_drop: false }`
[INFO] [stdout] c26af3600cdcdae8bc3f9d104aa964f311d0cfdf0bf1e8bd009b9002cd553c27
[INFO] checking bluster-0.2.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate bluster 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bluster 0.2.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluster 0.2.0
[INFO] finished tweaking crates.io crate bluster 0.2.0
[INFO] tweaked toml for crates.io crate bluster 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1e34d7c645219fbf2b1759c4b56694b364a6070dadcd51e3961062536e9a2c
[INFO] running `Command { std: "docker" "start" "-a" "4a1e34d7c645219fbf2b1759c4b56694b364a6070dadcd51e3961062536e9a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1e34d7c645219fbf2b1759c4b56694b364a6070dadcd51e3961062536e9a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1e34d7c645219fbf2b1759c4b56694b364a6070dadcd51e3961062536e9a2c", kill_on_drop: false }`
[INFO] [stdout] 4a1e34d7c645219fbf2b1759c4b56694b364a6070dadcd51e3961062536e9a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e392f997663b79337e67e27b998638d07007e7d9df046f9174051f506556a77c
[INFO] running `Command { std: "docker" "start" "-a" "e392f997663b79337e67e27b998638d07007e7d9df046f9174051f506556a77c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking dbus v0.9.7
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking dbus-crossroads v0.3.0
[INFO] [stderr]     Checking dbus-tokio v0.7.6
[INFO] [stderr]     Checking dbus-tree v0.9.2
[INFO] [stderr]     Checking bluster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/gatt/characteristic.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Characteristic {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Characteristic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/gatt/descriptor.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Descriptor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Descriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]   --> src/peripheral/bluez/advertisement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Advertisement {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     tree: Arc<Mutex<common::Tree>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Advertisement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/gatt/characteristic.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Characteristic {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Characteristic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/gatt/descriptor.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Descriptor {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub(crate) value: Option<Vec<u8>>,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Descriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]   --> src/peripheral/bluez/advertisement.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Advertisement {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     tree: Arc<Mutex<common::Tree>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Advertisement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "e392f997663b79337e67e27b998638d07007e7d9df046f9174051f506556a77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e392f997663b79337e67e27b998638d07007e7d9df046f9174051f506556a77c", kill_on_drop: false }`
[INFO] [stdout] e392f997663b79337e67e27b998638d07007e7d9df046f9174051f506556a77c
