[INFO] fetching crate rumble 0.3.0...
[INFO] checking rumble-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rumble 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rumble 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumble 0.3.0
[INFO] finished tweaking crates.io crate rumble 0.3.0
[INFO] tweaked toml for crates.io crate rumble 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding nix v0.12.1 (latest: v0.28.0)
[INFO] [stderr]       Adding nom v4.2.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a336faaeddb75ecf42bc6a0f5680c6ac84261f88607998e9cc1f64c9c8e2a7a7
[INFO] running `Command { std: "docker" "start" "-a" "a336faaeddb75ecf42bc6a0f5680c6ac84261f88607998e9cc1f64c9c8e2a7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a336faaeddb75ecf42bc6a0f5680c6ac84261f88607998e9cc1f64c9c8e2a7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a336faaeddb75ecf42bc6a0f5680c6ac84261f88607998e9cc1f64c9c8e2a7a7", kill_on_drop: false }`
[INFO] [stdout] a336faaeddb75ecf42bc6a0f5680c6ac84261f88607998e9cc1f64c9c8e2a7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0432d9ff3cc1f2fd414370cc6d7c93ac718bae996477356decadb7e62f89eb82
[INFO] running `Command { std: "docker" "start" "-a" "0432d9ff3cc1f2fd414370cc6d7c93ac718bae996477356decadb7e62f89eb82", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rumble v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/manager/mod.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/acl_stream.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/peripheral.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/mod.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/bluez/adapter/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/mod.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use nom;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `le_u8` is imported redundantly
[INFO] [stdout]  --> src/bluez/protocol/hci.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{le_u8, le_u16, le_u32, le_u64, le_i8, IResult, Err, ErrorKind};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use bluez::protocol::*;
[INFO] [stdout]   |     ------------------ the item `le_u8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `le_u8` is imported redundantly
[INFO] [stdout]  --> src/bluez/protocol/att.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{le_u8, le_u16, IResult};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use bluez::protocol::*;
[INFO] [stdout]   |     ------------------ the item `le_u8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/bluez/util/mod.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use nix;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | extern crate nix;
[INFO] [stdout]    | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout] 19 +         (b'H' as (i32) << 0i32 + 8i32) as u32 | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                                                                       ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout] 19 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as u32) as
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout] 20 +         usize | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as u32 | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:71
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                                                       ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as u32) as (usize) |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:81
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as usize |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/bluez/protocol/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | named!(pub parse_uuid_128<&[u8], [u8; 16]>, count_fixed!(u8, le_u8, 16));
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `count_fixed` which comes from the expansion of the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type Callback<T> = Box<dyn Fn(Result<T>) + Send>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub type NotificationHandler = Box<dyn Fn(ValueNotification) + Send>;
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/mod.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub type EventHandler = Box<dyn Fn(CentralEvent) + Send>;
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/manager/mod.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/acl_stream.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/peripheral.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/mod.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/bluez/adapter/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/bluez/adapter/mod.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use nom;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `le_u8` is imported redundantly
[INFO] [stdout]  --> src/bluez/protocol/hci.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{le_u8, le_u16, le_u32, le_u64, le_i8, IResult, Err, ErrorKind};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use bluez::protocol::*;
[INFO] [stdout]   |     ------------------ the item `le_u8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BDAddr` is imported redundantly
[INFO] [stdout]   --> src/bluez/protocol/hci.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use ::api::BDAddr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     use super::*;
[INFO] [stdout]    |         -------- the item `BDAddr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HCIStatus` is imported redundantly
[INFO] [stdout]   --> src/bluez/protocol/hci.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use super::*;
[INFO] [stdout]    |         -------- the item `HCIStatus` is already imported here
[INFO] [stdout] 15 |     use super::LEAdvertisingData::*;
[INFO] [stdout] 16 |     use super::HCIStatus;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `le_u8` is imported redundantly
[INFO] [stdout]  --> src/bluez/protocol/att.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::{le_u8, le_u16, IResult};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use bluez::protocol::*;
[INFO] [stdout]   |     ------------------ the item `le_u8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/bluez/util/mod.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use nix;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | extern crate nix;
[INFO] [stdout]    | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout] 19 +         (b'H' as (i32) << 0i32 + 8i32) as u32 | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                                                                       ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout] 19 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as u32) as
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout] 20 +         usize | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as u32 | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:71
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                                                       ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as u32) as (usize) |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:81
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                                                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout] 26 +         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as usize |
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/bluez/protocol/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | named!(pub parse_uuid_128<&[u8], [u8; 16]>, count_fixed!(u8, le_u8, 16));
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `count_fixed` which comes from the expansion of the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type Callback<T> = Box<dyn Fn(Result<T>) + Send>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub type NotificationHandler = Box<dyn Fn(ValueNotification) + Send>;
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/mod.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub type EventHandler = Box<dyn Fn(CentralEvent) + Send>;
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |         (self as &Display).fmt(f)
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |         (self as &dyn Display).fmt(f)
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/mod.rs:105:19
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (self as &Display).fmt(f)
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (self as &dyn Display).fmt(f)
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/bluez/adapter/acl_stream.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct ACLStream {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 48 |     adapter: Adapter,
[INFO] [stdout] 49 |     pub address: BDAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ACLStream` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/bluez/protocol/hci.rs:632:24
[INFO] [stdout]     |
[INFO] [stdout] 632 |                 data: i.clone().to_owned()
[INFO] [stdout]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/bluez/protocol/hci.rs:721:24
[INFO] [stdout]     |
[INFO] [stdout] 721 |                 data: i.clone().to_owned(),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/mod.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |         (self as &Display).fmt(f)
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |         (self as &dyn Display).fmt(f)
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/mod.rs:105:19
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (self as &Display).fmt(f)
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (self as &dyn Display).fmt(f)
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/bluez/adapter/acl_stream.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct ACLStream {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 48 |     adapter: Adapter,
[INFO] [stdout] 49 |     pub address: BDAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ACLStream` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/bluez/protocol/hci.rs:632:24
[INFO] [stdout]     |
[INFO] [stdout] 632 |                 data: i.clone().to_owned()
[INFO] [stdout]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/bluez/protocol/hci.rs:721:24
[INFO] [stdout]     |
[INFO] [stdout] 721 |                 data: i.clone().to_owned(),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0432d9ff3cc1f2fd414370cc6d7c93ac718bae996477356decadb7e62f89eb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0432d9ff3cc1f2fd414370cc6d7c93ac718bae996477356decadb7e62f89eb82", kill_on_drop: false }`
[INFO] [stdout] 0432d9ff3cc1f2fd414370cc6d7c93ac718bae996477356decadb7e62f89eb82