[INFO] fetching crate mesh-portal-tcp-client 0.2.0-rc1... [INFO] checking mesh-portal-tcp-client-0.2.0-rc1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mesh-portal-tcp-client 0.2.0-rc1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate mesh-portal-tcp-client 0.2.0-rc1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 86 packages to latest compatible versions [INFO] [stderr] Adding brownstone v1.1.0 (available: v3.0.0) [INFO] [stderr] Adding dashmap v4.0.2 (available: v6.1.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding joinery v2.1.0 (available: v3.1.0) [INFO] [stderr] Adding nom-supreme v0.6.0 (available: v0.8.0) [INFO] [stderr] Adding semver v0.11.0 (available: v1.0.23) [INFO] [stderr] Adding strum v0.21.0 (available: v0.26.3) [INFO] [stderr] Adding strum_macros v0.21.1 (available: v0.26.4) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding uuid v0.8.2 (available: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66393fa5f85d490cc855e7aaf34c8023d9d33e618665eadf34e26607c8a4984b [INFO] running `Command { std: "docker" "start" "-a" "66393fa5f85d490cc855e7aaf34c8023d9d33e618665eadf34e26607c8a4984b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66393fa5f85d490cc855e7aaf34c8023d9d33e618665eadf34e26607c8a4984b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66393fa5f85d490cc855e7aaf34c8023d9d33e618665eadf34e26607c8a4984b", kill_on_drop: false }` [INFO] [stdout] 66393fa5f85d490cc855e7aaf34c8023d9d33e618665eadf34e26607c8a4984b [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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9632c92292adf6a2c5e76bdaa2ebaf27abd1cc7c03165cb6a41142547675b0c1 [INFO] running `Command { std: "docker" "start" "-a" "9632c92292adf6a2c5e76bdaa2ebaf27abd1cc7c03165cb6a41142547675b0c1", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking ucd-trie v0.1.6 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking indent_write v2.2.0 [INFO] [stderr] Checking joinery v2.1.0 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking nom-supreme v0.6.0 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking pest v2.7.13 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking mesh-portal-versions v0.2.0-rc1 [INFO] [stderr] Checking mesh-portal v0.2.0-rc1 [INFO] [stderr] Checking mesh-portal-tcp-common v0.2.0-rc1 [INFO] [stderr] Checking mesh-portal-api-client v0.2.0-rc1 [INFO] [stderr] Checking 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)]` 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: 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)]` 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: 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] = note: `#[warn(unused_variables)]` 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] = note: `#[warn(unused_variables)]` on by default [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] [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] [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 ) -> Result { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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: 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 ) -> Result { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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: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 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)]` 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 `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)]` 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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.46s [INFO] running `Command { std: "docker" "inspect" "9632c92292adf6a2c5e76bdaa2ebaf27abd1cc7c03165cb6a41142547675b0c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9632c92292adf6a2c5e76bdaa2ebaf27abd1cc7c03165cb6a41142547675b0c1", kill_on_drop: false }` [INFO] [stdout] 9632c92292adf6a2c5e76bdaa2ebaf27abd1cc7c03165cb6a41142547675b0c1