Sep 20 01:08:44.852 INFO checking kompact-0.4.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 01:08:44.852 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 01:08:44.852 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:08:45.024 INFO blam! 95697861826a4632ee79926b00a59fb641f617631fc495fd6cb0f15538e2a6d6
Sep 20 01:08:45.026 INFO running `"docker" "start" "-a" "95697861826a4632ee79926b00a59fb641f617631fc495fd6cb0f15538e2a6d6"`
Sep 20 01:08:45.818 INFO kablam! usermod: no changes
Sep 20 01:08:46.003 INFO kablam!     Checking slog v2.3.3
Sep 20 01:08:46.009 INFO kablam!     Checking oncemutex v0.1.1
Sep 20 01:08:46.009 INFO kablam!     Checking bitfields v0.1.0
Sep 20 01:08:46.009 INFO kablam!     Checking as_num v0.2.4
Sep 20 01:08:46.023 INFO kablam!     Checking synchronoise v0.4.0
Sep 20 01:08:46.024 INFO kablam!     Checking tokio-retry v0.2.0
Sep 20 01:08:46.024 INFO kablam!    Compiling kompact-component-derive v0.4.0
Sep 20 01:08:46.024 INFO kablam!    Compiling kompact-actor-derive v0.4.0
Sep 20 01:08:46.518 INFO kablam!     Checking spaniel v0.1.0
Sep 20 01:08:46.994 INFO kablam!     Checking executors v0.4.1
Sep 20 01:08:49.246 INFO kablam!     Checking slog-async v2.3.0
Sep 20 01:08:49.246 INFO kablam!     Checking slog-term v2.4.0
Sep 20 01:08:52.379 INFO kablam!     Checking kompact v0.4.0 (/source)
Sep 20 01:08:53.463 INFO blam! Path too long for port: Path { global: false, segments: [PathSegment { ident: Ident("lookup"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { ident: Ident("gc"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { ident: Ident("ActorRefReaper"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }
Sep 20 01:08:53.556 INFO kablam! warning: unused `#[macro_use]` import
Sep 20 01:08:53.556 INFO kablam!   --> src/lib.rs:18:1
Sep 20 01:08:53.556 INFO kablam!    |
Sep 20 01:08:53.556 INFO kablam! 18 | #[macro_use]
Sep 20 01:08:53.556 INFO kablam!    | ^^^^^^^^^^^^
Sep 20 01:08:53.556 INFO kablam!    |
Sep 20 01:08:53.556 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 01:08:53.556 INFO kablam! 
Sep 20 01:08:53.556 INFO kablam! warning: unused `#[macro_use]` import
Sep 20 01:08:53.556 INFO kablam!   --> src/lib.rs:20:1
Sep 20 01:08:53.556 INFO kablam!    |
Sep 20 01:08:53.556 INFO kablam! 20 | #[macro_use]
Sep 20 01:08:53.556 INFO kablam!    | ^^^^^^^^^^^^
Sep 20 01:08:53.556 INFO kablam! 
Sep 20 01:08:53.678 INFO blam! Path too long for port: Path { global: false, segments: [PathSegment { ident: Ident("lookup"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { ident: Ident("gc"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }, PathSegment { ident: Ident("ActorRefReaper"), parameters: AngleBracketed(AngleBracketedParameterData { lifetimes: [], types: [], bindings: [] }) }] }
Sep 20 01:08:53.924 INFO kablam! warning: unused `#[macro_use]` import
Sep 20 01:08:53.924 INFO kablam!   --> src/lib.rs:18:1
Sep 20 01:08:53.924 INFO kablam!    |
Sep 20 01:08:53.924 INFO kablam! 18 | #[macro_use]
Sep 20 01:08:53.924 INFO kablam!    | ^^^^^^^^^^^^
Sep 20 01:08:53.924 INFO kablam!    |
Sep 20 01:08:53.924 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 01:08:53.924 INFO kablam! 
Sep 20 01:08:53.924 INFO kablam! warning: unused `#[macro_use]` import
Sep 20 01:08:53.924 INFO kablam!   --> src/lib.rs:20:1
Sep 20 01:08:53.924 INFO kablam!    |
Sep 20 01:08:53.924 INFO kablam! 20 | #[macro_use]
Sep 20 01:08:53.925 INFO kablam!    | ^^^^^^^^^^^^
Sep 20 01:08:53.925 INFO kablam! 
Sep 20 01:08:54.750 INFO kablam! warning: constant item is never used: `MULTIPLICATIVE_DECREASE_NUM`
Sep 20 01:08:54.751 INFO kablam!   --> src/dispatch/lookup/gc.rs:12:5
Sep 20 01:08:54.751 INFO kablam!    |
Sep 20 01:08:54.751 INFO kablam! 12 |     pub const MULTIPLICATIVE_DECREASE_NUM: u64 = 1;
Sep 20 01:08:54.751 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:54.751 INFO kablam!    |
Sep 20 01:08:54.751 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 20 01:08:54.751 INFO kablam! 
Sep 20 01:08:54.751 INFO kablam! warning: variant is never constructed: `MIMD`
Sep 20 01:08:54.751 INFO kablam!   --> src/dispatch/lookup/gc.rs:35:5
Sep 20 01:08:54.751 INFO kablam!    |
Sep 20 01:08:54.751 INFO kablam! 35 |     MIMD, // multiplicative increase/multiplicative decrease
Sep 20 01:08:54.751 INFO kablam!    |     ^^^^
Sep 20 01:08:54.751 INFO kablam! 
Sep 20 01:08:54.752 INFO kablam! warning: method is never used: `new`
Sep 20 01:08:54.752 INFO kablam!   --> src/dispatch/lookup/gc.rs:55:5
Sep 20 01:08:54.752 INFO kablam!    |
Sep 20 01:08:54.752 INFO kablam! 55 | /     pub fn new(
Sep 20 01:08:54.752 INFO kablam! 56 | |         initial_interval: u64,
Sep 20 01:08:54.752 INFO kablam! 57 | |         min: u64,
Sep 20 01:08:54.752 INFO kablam! 58 | |         max: u64,
Sep 20 01:08:54.752 INFO kablam! ...  |
Sep 20 01:08:54.752 INFO kablam! 66 | |         }
Sep 20 01:08:54.753 INFO kablam! 67 | |     }
Sep 20 01:08:54.753 INFO kablam!    | |_____^
Sep 20 01:08:54.753 INFO kablam! 
Sep 20 01:08:54.753 INFO kablam! warning: method is never used: `exists`
Sep 20 01:08:54.753 INFO kablam!   --> src/dispatch/queue_manager.rs:62:5
Sep 20 01:08:54.753 INFO kablam!    |
Sep 20 01:08:54.753 INFO kablam! 62 |     pub fn exists(&self, dst: &SocketAddr) -> bool {
Sep 20 01:08:54.753 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:54.753 INFO kablam! 
Sep 20 01:08:54.753 INFO kablam! warning: variant is never constructed: `Domain`
Sep 20 01:08:54.753 INFO kablam!   --> src/messaging/framing.rs:43:5
Sep 20 01:08:54.753 INFO kablam!    |
Sep 20 01:08:54.753 INFO kablam! 43 |     Domain = 2,
Sep 20 01:08:54.753 INFO kablam!    |     ^^^^^^^^^^
Sep 20 01:08:54.753 INFO kablam! 
Sep 20 01:08:54.753 INFO kablam! warning: method is never used: `new`
Sep 20 01:08:54.753 INFO kablam!   --> src/net/mod.rs:72:5
Sep 20 01:08:54.753 INFO kablam!    |
Sep 20 01:08:54.753 INFO kablam! 72 |     pub fn new() -> Self {
Sep 20 01:08:54.753 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:54.753 INFO kablam! 
Sep 20 01:08:54.753 INFO kablam! warning: variant is never constructed: `Faulty`
Sep 20 01:08:54.753 INFO kablam!   --> src/supervision.rs:36:5
Sep 20 01:08:54.753 INFO kablam!    |
Sep 20 01:08:54.753 INFO kablam! 36 |     Faulty(Uuid),
Sep 20 01:08:54.753 INFO kablam!    |     ^^^^^^^^^^^^
Sep 20 01:08:54.753 INFO kablam! 
Sep 20 01:08:54.776 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:54.776 INFO kablam!    --> src/net/mod.rs:197:37
Sep 20 01:08:54.776 INFO kablam!     |
Sep 20 01:08:54.776 INFO kablam! 197 |                                     err_events.unbounded_send(NetworkEvent::Connection(addr, ConnectionState::Error(err)));
Sep 20 01:08:54.776 INFO kablam!     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:54.776 INFO kablam!     |
Sep 20 01:08:54.776 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 01:08:54.776 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:54.776 INFO kablam! 
Sep 20 01:08:54.777 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:54.777 INFO kablam!    --> src/net/mod.rs:206:29
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam! 206 | /                             events.unbounded_send(NetworkEvent::Connection(
Sep 20 01:08:54.777 INFO kablam! 207 | |                                 peer_addr,
Sep 20 01:08:54.777 INFO kablam! 208 | |                                 ConnectionState::Connected(tx),
Sep 20 01:08:54.777 INFO kablam! 209 | |                             ));
Sep 20 01:08:54.777 INFO kablam!     | |_______________________________^
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:54.777 INFO kablam! 
Sep 20 01:08:54.777 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:54.777 INFO kablam!    --> src/net/mod.rs:253:13
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam! 253 |             err_events.unbounded_send(NetworkEvent::Connection(addr, ConnectionState::Error(e)));
Sep 20 01:08:54.777 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:54.777 INFO kablam! 
Sep 20 01:08:54.777 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:54.777 INFO kablam!    --> src/net/mod.rs:269:13
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam! 269 | /             events.unbounded_send(NetworkEvent::Connection(
Sep 20 01:08:54.777 INFO kablam! 270 | |                 peer_addr,
Sep 20 01:08:54.777 INFO kablam! 271 | |                 ConnectionState::Connected(tx),
Sep 20 01:08:54.777 INFO kablam! 272 | |             ));
Sep 20 01:08:54.777 INFO kablam!     | |_______________^
Sep 20 01:08:54.777 INFO kablam!     |
Sep 20 01:08:54.777 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:54.777 INFO kablam! 
Sep 20 01:08:54.795 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:54.795 INFO kablam!   --> src/utils.rs:65:9
Sep 20 01:08:54.795 INFO kablam!    |
Sep 20 01:08:54.795 INFO kablam! 65 | /         self.result_channel
Sep 20 01:08:54.795 INFO kablam! 66 | |             .send(t)
Sep 20 01:08:54.795 INFO kablam! 67 | |             // ISSUE #12: Explicitly swallow errors
Sep 20 01:08:54.795 INFO kablam! 68 | |             .map_err(|_| ());
Sep 20 01:08:54.796 INFO kablam!    | |_____________________________^
Sep 20 01:08:54.796 INFO kablam!    |
Sep 20 01:08:54.796 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:54.796 INFO kablam! 
Sep 20 01:08:55.181 INFO kablam! warning: unused variable: `path_type`
Sep 20 01:08:55.181 INFO kablam!    --> src/messaging/framing.rs:392:13
Sep 20 01:08:55.181 INFO kablam!     |
Sep 20 01:08:55.181 INFO kablam! 392 |         let path_type = PathType::Named as u8;
Sep 20 01:08:55.182 INFO kablam!     |             ^^^^^^^^^ help: consider using `_path_type` instead
Sep 20 01:08:55.182 INFO kablam!     |
Sep 20 01:08:55.182 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 20 01:08:55.182 INFO kablam! 
Sep 20 01:08:55.182 INFO kablam! warning: unused variable: `protocol`
Sep 20 01:08:55.182 INFO kablam!    --> src/messaging/framing.rs:393:13
Sep 20 01:08:55.182 INFO kablam!     |
Sep 20 01:08:55.182 INFO kablam! 393 |         let protocol = Transport::TCP as u8;
Sep 20 01:08:55.182 INFO kablam!     |             ^^^^^^^^ help: consider using `_protocol` instead
Sep 20 01:08:55.182 INFO kablam! 
Sep 20 01:08:55.182 INFO kablam! warning: unused variable: `address_type`
Sep 20 01:08:55.182 INFO kablam!    --> src/messaging/framing.rs:394:13
Sep 20 01:08:55.182 INFO kablam!     |
Sep 20 01:08:55.182 INFO kablam! 394 |         let address_type = AddressType::IPv4 as u8;
Sep 20 01:08:55.182 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_address_type` instead
Sep 20 01:08:55.182 INFO kablam! 
Sep 20 01:08:55.750 INFO kablam! warning: constant item is never used: `MULTIPLICATIVE_DECREASE_NUM`
Sep 20 01:08:55.750 INFO kablam!   --> src/dispatch/lookup/gc.rs:12:5
Sep 20 01:08:55.750 INFO kablam!    |
Sep 20 01:08:55.750 INFO kablam! 12 |     pub const MULTIPLICATIVE_DECREASE_NUM: u64 = 1;
Sep 20 01:08:55.750 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:55.750 INFO kablam!    |
Sep 20 01:08:55.750 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 20 01:08:55.750 INFO kablam! 
Sep 20 01:08:55.750 INFO kablam! warning: variant is never constructed: `MIMD`
Sep 20 01:08:55.750 INFO kablam!   --> src/dispatch/lookup/gc.rs:35:5
Sep 20 01:08:55.750 INFO kablam!    |
Sep 20 01:08:55.750 INFO kablam! 35 |     MIMD, // multiplicative increase/multiplicative decrease
Sep 20 01:08:55.750 INFO kablam!    |     ^^^^
Sep 20 01:08:55.750 INFO kablam! 
Sep 20 01:08:55.750 INFO kablam! warning: method is never used: `new`
Sep 20 01:08:55.750 INFO kablam!   --> src/dispatch/lookup/gc.rs:55:5
Sep 20 01:08:55.751 INFO kablam!    |
Sep 20 01:08:55.751 INFO kablam! 55 | /     pub fn new(
Sep 20 01:08:55.751 INFO kablam! 56 | |         initial_interval: u64,
Sep 20 01:08:55.751 INFO kablam! 57 | |         min: u64,
Sep 20 01:08:55.751 INFO kablam! 58 | |         max: u64,
Sep 20 01:08:55.751 INFO kablam! ...  |
Sep 20 01:08:55.751 INFO kablam! 66 | |         }
Sep 20 01:08:55.751 INFO kablam! 67 | |     }
Sep 20 01:08:55.751 INFO kablam!    | |_____^
Sep 20 01:08:55.751 INFO kablam! 
Sep 20 01:08:55.751 INFO kablam! warning: method is never used: `exists`
Sep 20 01:08:55.751 INFO kablam!   --> src/dispatch/queue_manager.rs:62:5
Sep 20 01:08:55.751 INFO kablam!    |
Sep 20 01:08:55.751 INFO kablam! 62 |     pub fn exists(&self, dst: &SocketAddr) -> bool {
Sep 20 01:08:55.751 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:55.751 INFO kablam! 
Sep 20 01:08:55.751 INFO kablam! warning: variant is never constructed: `Domain`
Sep 20 01:08:55.751 INFO kablam!   --> src/messaging/framing.rs:43:5
Sep 20 01:08:55.751 INFO kablam!    |
Sep 20 01:08:55.751 INFO kablam! 43 |     Domain = 2,
Sep 20 01:08:55.751 INFO kablam!    |     ^^^^^^^^^^
Sep 20 01:08:55.751 INFO kablam! 
Sep 20 01:08:55.751 INFO kablam! warning: method is never used: `new`
Sep 20 01:08:55.751 INFO kablam!   --> src/net/mod.rs:72:5
Sep 20 01:08:55.751 INFO kablam!    |
Sep 20 01:08:55.751 INFO kablam! 72 |     pub fn new() -> Self {
Sep 20 01:08:55.751 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:55.751 INFO kablam! 
Sep 20 01:08:55.751 INFO kablam! warning: variant is never constructed: `Faulty`
Sep 20 01:08:55.751 INFO kablam!   --> src/supervision.rs:36:5
Sep 20 01:08:55.751 INFO kablam!    |
Sep 20 01:08:55.751 INFO kablam! 36 |     Faulty(Uuid),
Sep 20 01:08:55.751 INFO kablam!    |     ^^^^^^^^^^^^
Sep 20 01:08:55.751 INFO kablam! 
Sep 20 01:08:55.794 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:55.794 INFO kablam!    --> src/net/mod.rs:197:37
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam! 197 |                                     err_events.unbounded_send(NetworkEvent::Connection(addr, ConnectionState::Error(err)));
Sep 20 01:08:55.794 INFO kablam!     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 01:08:55.794 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:55.794 INFO kablam! 
Sep 20 01:08:55.794 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:55.794 INFO kablam!    --> src/net/mod.rs:206:29
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam! 206 | /                             events.unbounded_send(NetworkEvent::Connection(
Sep 20 01:08:55.794 INFO kablam! 207 | |                                 peer_addr,
Sep 20 01:08:55.794 INFO kablam! 208 | |                                 ConnectionState::Connected(tx),
Sep 20 01:08:55.794 INFO kablam! 209 | |                             ));
Sep 20 01:08:55.794 INFO kablam!     | |_______________________________^
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:55.794 INFO kablam! 
Sep 20 01:08:55.794 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:55.794 INFO kablam!    --> src/net/mod.rs:253:13
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam! 253 |             err_events.unbounded_send(NetworkEvent::Connection(addr, ConnectionState::Error(e)));
Sep 20 01:08:55.794 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:55.794 INFO kablam! 
Sep 20 01:08:55.794 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:55.794 INFO kablam!    --> src/net/mod.rs:269:13
Sep 20 01:08:55.794 INFO kablam!     |
Sep 20 01:08:55.794 INFO kablam! 269 | /             events.unbounded_send(NetworkEvent::Connection(
Sep 20 01:08:55.794 INFO kablam! 270 | |                 peer_addr,
Sep 20 01:08:55.794 INFO kablam! 271 | |                 ConnectionState::Connected(tx),
Sep 20 01:08:55.794 INFO kablam! 272 | |             ));
Sep 20 01:08:55.795 INFO kablam!     | |_______________^
Sep 20 01:08:55.795 INFO kablam!     |
Sep 20 01:08:55.795 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:55.795 INFO kablam! 
Sep 20 01:08:55.825 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 01:08:55.825 INFO kablam!   --> src/utils.rs:65:9
Sep 20 01:08:55.825 INFO kablam!    |
Sep 20 01:08:55.825 INFO kablam! 65 | /         self.result_channel
Sep 20 01:08:55.825 INFO kablam! 66 | |             .send(t)
Sep 20 01:08:55.825 INFO kablam! 67 | |             // ISSUE #12: Explicitly swallow errors
Sep 20 01:08:55.825 INFO kablam! 68 | |             .map_err(|_| ());
Sep 20 01:08:55.825 INFO kablam!    | |_____________________________^
Sep 20 01:08:55.825 INFO kablam!    |
Sep 20 01:08:55.825 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 01:08:55.825 INFO kablam! 
Sep 20 01:08:56.701 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.85s
Sep 20 01:08:56.710 INFO kablam! su: No module specific data is present
Sep 20 01:08:57.342 INFO running `"docker" "rm" "-f" "95697861826a4632ee79926b00a59fb641f617631fc495fd6cb0f15538e2a6d6"`
Sep 20 01:08:57.409 INFO blam! 95697861826a4632ee79926b00a59fb641f617631fc495fd6cb0f15538e2a6d6