[INFO] fetching crate mesh-portal-tcp-client 0.2.0-rc1...
[INFO] testing mesh-portal-tcp-client-0.2.0-rc1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate mesh-portal-tcp-client 0.2.0-rc1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mesh-portal-tcp-client 0.2.0-rc1
[INFO] finished tweaking crates.io crate mesh-portal-tcp-client 0.2.0-rc1
[INFO] tweaked toml for crates.io crate mesh-portal-tcp-client 0.2.0-rc1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mesh-portal-tcp-client 0.2.0-rc1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v4.0.2 (available: v6.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76956db416d6ec9f194d4b4ac76134eb1977132ec2aae3bf93fe39c360761b41
[INFO] running `Command { std: "docker" "start" "-a" "76956db416d6ec9f194d4b4ac76134eb1977132ec2aae3bf93fe39c360761b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76956db416d6ec9f194d4b4ac76134eb1977132ec2aae3bf93fe39c360761b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76956db416d6ec9f194d4b4ac76134eb1977132ec2aae3bf93fe39c360761b41", kill_on_drop: false }`
[INFO] [stdout] 76956db416d6ec9f194d4b4ac76134eb1977132ec2aae3bf93fe39c360761b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5635264b2fbfa981deeade508af71f5e0e5c63822feb679849c95cb87e5681
[INFO] running `Command { std: "docker" "start" "-a" "df5635264b2fbfa981deeade508af71f5e0e5c63822feb679849c95cb87e5681", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling nom-supreme v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mesh-portal-versions v0.2.0-rc1
[INFO] [stderr]    Compiling mesh-portal v0.2.0-rc1
[INFO] [stderr]    Compiling mesh-portal-api-client v0.2.0-rc1
[INFO] [stderr]    Compiling mesh-portal-tcp-common v0.2.0-rc1
[INFO] [stderr]    Compiling mesh-portal-tcp-client v0.2.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Exchanges`, `InletApi`, and `PortalSkel`
[INFO] [stdout]  --> src/lib.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mesh_portal_api_client::{Portal, ResourceCtrl, PortalSkel, InletApi, Inlet, ResourceCtrlFactory, Exchanges, PrePortalSkel};
[INFO] [stdout]   |                                                    ^^^^^^^^^^  ^^^^^^^^                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version::latest::portal`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mesh_portal::version::latest::portal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc::error::TrySendError`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::mpsc::error::TrySendError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mesh_portal::version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::Duration`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Exchanger`
[INFO] [stdout]   --> src/lib.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | use mesh_portal::version::latest::portal::{outlet, inlet, Exchanger, initin, initout};
[INFO] [stdout]    |                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub async fn new( host: String, mut client: Box<dyn PortalClient> ) -> Result<Self,Error> {
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut reader = PrimitiveFrameReader::new(reader);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut writer = PrimitiveFrameWriter::new(writer);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let (outlet_tx, mut outlet_rx) = mpsc::channel(1024 );
[INFO] [stdout]    |                         ----^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         Result::Err(err) => {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/lib.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         Err(err) => {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.28s
[INFO] running `Command { std: "docker" "inspect" "df5635264b2fbfa981deeade508af71f5e0e5c63822feb679849c95cb87e5681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5635264b2fbfa981deeade508af71f5e0e5c63822feb679849c95cb87e5681", kill_on_drop: false }`
[INFO] [stdout] df5635264b2fbfa981deeade508af71f5e0e5c63822feb679849c95cb87e5681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2718e70a7a626894d35f04cc6559e70ae2568a30bc26d4a6a44b644939b3ee38
[INFO] running `Command { std: "docker" "start" "-a" "2718e70a7a626894d35f04cc6559e70ae2568a30bc26d4a6a44b644939b3ee38", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Exchanges`, `InletApi`, and `PortalSkel`
[INFO] [stdout]  --> src/lib.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mesh_portal_api_client::{Portal, ResourceCtrl, PortalSkel, InletApi, Inlet, ResourceCtrlFactory, Exchanges, PrePortalSkel};
[INFO] [stdout]   |                                                    ^^^^^^^^^^  ^^^^^^^^                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version::latest::portal`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mesh_portal::version::latest::portal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc::error::TrySendError`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::mpsc::error::TrySendError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mesh_portal::version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::Duration`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Exchanger`
[INFO] [stdout]   --> src/lib.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | use mesh_portal::version::latest::portal::{outlet, inlet, Exchanger, initin, initout};
[INFO] [stdout]    |                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mesh-portal-tcp-client v0.2.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub async fn new( host: String, mut client: Box<dyn PortalClient> ) -> Result<Self,Error> {
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut reader = PrimitiveFrameReader::new(reader);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut writer = PrimitiveFrameWriter::new(writer);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let (outlet_tx, mut outlet_rx) = mpsc::channel(1024 );
[INFO] [stdout]    |                         ----^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         Result::Err(err) => {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/lib.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         Err(err) => {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Exchanges`, `InletApi`, and `PortalSkel`
[INFO] [stdout]  --> src/lib.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mesh_portal_api_client::{Portal, ResourceCtrl, PortalSkel, InletApi, Inlet, ResourceCtrlFactory, Exchanges, PrePortalSkel};
[INFO] [stdout]   |                                                    ^^^^^^^^^^  ^^^^^^^^                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version::latest::portal`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mesh_portal::version::latest::portal;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc::error::TrySendError`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::mpsc::error::TrySendError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mesh_portal::version`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mesh_portal::version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::Duration`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Exchanger`
[INFO] [stdout]   --> src/lib.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | use mesh_portal::version::latest::portal::{outlet, inlet, Exchanger, initin, initout};
[INFO] [stdout]    |                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub async fn new( host: String, mut client: Box<dyn PortalClient> ) -> Result<Self,Error> {
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut reader = PrimitiveFrameReader::new(reader);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut writer = PrimitiveFrameWriter::new(writer);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let (outlet_tx, mut outlet_rx) = mpsc::channel(1024 );
[INFO] [stdout]    |                         ----^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         Result::Err(err) => {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/lib.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         Err(err) => {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 close_tx.send(0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let _ = close_tx.send(0);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "2718e70a7a626894d35f04cc6559e70ae2568a30bc26d4a6a44b644939b3ee38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2718e70a7a626894d35f04cc6559e70ae2568a30bc26d4a6a44b644939b3ee38", kill_on_drop: false }`
[INFO] [stdout] 2718e70a7a626894d35f04cc6559e70ae2568a30bc26d4a6a44b644939b3ee38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa192b268520b046d7b6569b4d80143984750e2b84f98325d01b7b9adedfc2a7
[INFO] running `Command { std: "docker" "start" "-a" "fa192b268520b046d7b6569b4d80143984750e2b84f98325d01b7b9adedfc2a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Exchanges`, `InletApi`, and `PortalSkel`
[INFO] [stderr]  --> src/lib.rs:9:52
[INFO] [stderr]   |
[INFO] [stderr] 9 | use mesh_portal_api_client::{Portal, ResourceCtrl, PortalSkel, InletApi, Inlet, ResourceCtrlFactory, Exchanges, PrePortalSkel};
[INFO] [stderr]   |                                                    ^^^^^^^^^^  ^^^^^^^^                              ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mesh_portal::version::latest::portal`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use mesh_portal::version::latest::portal;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::mpsc::error::TrySendError`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tokio::sync::mpsc::error::TrySendError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mesh_portal::version`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use mesh_portal::version;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::Duration`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use tokio::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Exchanger`
[INFO] [stderr]   --> src/lib.rs:19:59
[INFO] [stderr]    |
[INFO] [stderr] 19 | use mesh_portal::version::latest::portal::{outlet, inlet, Exchanger, initin, initout};
[INFO] [stderr]    |                                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub async fn new( host: String, mut client: Box<dyn PortalClient> ) -> Result<Self,Error> {
[INFO] [stderr]    |                                     ----^^^^^^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut reader = PrimitiveFrameReader::new(reader);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut writer = PrimitiveFrameWriter::new(writer);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let (outlet_tx, mut outlet_rx) = mpsc::channel(1024 );
[INFO] [stderr]    |                         ----^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:124:37
[INFO] [stderr]     |
[INFO] [stderr] 124 |                         Result::Err(err) => {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/lib.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         Err(err) => {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:175:21
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 close_tx.send(0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 let _ = close_tx.send(0);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 close_tx.send(0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 let _ = close_tx.send(0);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mesh-portal-tcp-client` (lib) generated 15 warnings (run `cargo fix --lib -p mesh-portal-tcp-client` to apply 13 suggestions)
[INFO] [stderr] warning: `mesh-portal-tcp-client` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mesh_portal_tcp_client-da385dd635d75ce4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mesh_portal_tcp_client
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa192b268520b046d7b6569b4d80143984750e2b84f98325d01b7b9adedfc2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa192b268520b046d7b6569b4d80143984750e2b84f98325d01b7b9adedfc2a7", kill_on_drop: false }`
[INFO] [stdout] fa192b268520b046d7b6569b4d80143984750e2b84f98325d01b7b9adedfc2a7
