[INFO] fetching crate rumble 0.3.0...
[INFO] testing rumble-0.3.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rumble 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rumble 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 666f85b7a7371f2b9fa9bb9985c89527ffd621709ac6628ebbe5a7689d1753af
[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" "666f85b7a7371f2b9fa9bb9985c89527ffd621709ac6628ebbe5a7689d1753af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666f85b7a7371f2b9fa9bb9985c89527ffd621709ac6628ebbe5a7689d1753af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666f85b7a7371f2b9fa9bb9985c89527ffd621709ac6628ebbe5a7689d1753af", kill_on_drop: false }`
[INFO] [stdout] 666f85b7a7371f2b9fa9bb9985c89527ffd621709ac6628ebbe5a7689d1753af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a364c3a791aa2dc68fad5764e42554b19404df11be16bd0b56dedb08faf980
[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" "22a364c3a791aa2dc68fad5764e42554b19404df11be16bd0b56dedb08faf980", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rumble v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |                                                                                 ^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[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]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.14s
[INFO] running `Command { std: "docker" "inspect" "22a364c3a791aa2dc68fad5764e42554b19404df11be16bd0b56dedb08faf980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a364c3a791aa2dc68fad5764e42554b19404df11be16bd0b56dedb08faf980", kill_on_drop: false }`
[INFO] [stdout] 22a364c3a791aa2dc68fad5764e42554b19404df11be16bd0b56dedb08faf980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4048e224ec2e5c317f6133fe14974f8aa4bb029de50bf41f18fdaaf1b8763c
[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" "4e4048e224ec2e5c317f6133fe14974f8aa4bb029de50bf41f18fdaaf1b8763c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumble v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |                                                                                 ^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[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]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bluez/mod.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stdout]    |                  ^^^^^ help: remove these parentheses
[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]    |                                           ^^^^^ help: remove these parentheses
[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]    |                                                                       ^^^^^ help: remove these parentheses
[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]    |                                                                                 ^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[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]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "4e4048e224ec2e5c317f6133fe14974f8aa4bb029de50bf41f18fdaaf1b8763c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4048e224ec2e5c317f6133fe14974f8aa4bb029de50bf41f18fdaaf1b8763c", kill_on_drop: false }`
[INFO] [stdout] 4e4048e224ec2e5c317f6133fe14974f8aa4bb029de50bf41f18fdaaf1b8763c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4af7601502486f4a84a925798671b3a1be024216455fa923f85a9603142c8459
[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" "4af7601502486f4a84a925798671b3a1be024216455fa923f85a9603142c8459", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:71
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:81
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |         (self as &Display).fmt(f)
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as &Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/bluez/protocol/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | named!(pub parse_uuid_128<&[u8], [u8; 16]>, count_fixed!(u8, le_u8, 16));
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:71
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bluez/mod.rs:26:81
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |         (self as &Display).fmt(f)
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as &Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/bluez/protocol/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | named!(pub parse_uuid_128<&[u8], [u8; 16]>, count_fixed!(u8, le_u8, 16));
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rumble-88ac12f3a6c8fb8c
[INFO] [stdout] running 12 tests
[INFO] [stdout] test bluez::protocol::att::tests::test_characteristics ... ok
[INFO] [stdout] test bluez::protocol::att::tests::test_read_req ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_cmd_status ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_acl_data_packet ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_le_advertising_info ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_le_advertising_data ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_decode_device_discovery ... ok
[INFO] [stdout] test bluez::protocol::att::tests::test_error ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_bd_addr ... ok
[INFO] [stdout] test bluez::protocol::att::tests::test_value_notification ... ok
[INFO] [stderr]    Doc-tests rumble
[INFO] [stdout] test bluez::protocol::hci::tests::test_decode_device_discovery2 ... ok
[INFO] [stdout] test bluez::protocol::hci::tests::test_recv_le_meta ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (210i32 << 0i32) as (u32)) as
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         (usize) | 4 /* (sizeof(i32)) */ << 0i32 + 8i32 + 8i32;
[INFO] [stderr]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                  ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:26:71
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bluez/mod.rs:26:81
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (b'H' as (i32) << 0i32 + 8i32) as (u32) | (211i32 << 0i32) as (u32)) as (usize) |
[INFO] [stderr]    |                                                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4af7601502486f4a84a925798671b3a1be024216455fa923f85a9603142c8459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af7601502486f4a84a925798671b3a1be024216455fa923f85a9603142c8459", kill_on_drop: false }`
[INFO] [stdout] 4af7601502486f4a84a925798671b3a1be024216455fa923f85a9603142c8459
