[INFO] cloning repository https://github.com/silago/tcp-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silago/tcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilago%2Ftcp-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilago%2Ftcp-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6310f52043790a9b53b2601502e0446fc8d0127 [INFO] testing silago/tcp-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilago%2Ftcp-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/silago/tcp-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/silago/tcp-rs [INFO] finished tweaking git repo https://github.com/silago/tcp-rs [INFO] tweaked toml for git repo https://github.com/silago/tcp-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/silago/tcp-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cad740ded3b8e72fb927e108da554f81379646b795de42bbaae01ac6a4f76acd [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" "cad740ded3b8e72fb927e108da554f81379646b795de42bbaae01ac6a4f76acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cad740ded3b8e72fb927e108da554f81379646b795de42bbaae01ac6a4f76acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad740ded3b8e72fb927e108da554f81379646b795de42bbaae01ac6a4f76acd", kill_on_drop: false }` [INFO] [stdout] cad740ded3b8e72fb927e108da554f81379646b795de42bbaae01ac6a4f76acd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed6454f6b4d7d3a9f6e8405bc0595231782cbb97b9ccf31139b60fe1e73b6a9e [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" "ed6454f6b4d7d3a9f6e8405bc0595231782cbb97b9ccf31139b60fe1e73b6a9e", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-socker-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> main.rs:60:26 [INFO] [stdout] | [INFO] [stdout] 60 | match(x) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - match(x) { [INFO] [stdout] 60 + match x { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> main.rs:69:26 [INFO] [stdout] | [INFO] [stdout] 69 | match(x) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 69 - match(x) { [INFO] [stdout] 69 + match x { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> main.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | ... if (val!=msg.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - if (val!=msg.len()) { [INFO] [stdout] 73 + if val!=msg.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> main.rs:82:24 [INFO] [stdout] | [INFO] [stdout] 82 | if (terminate) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 82 - if (terminate) { [INFO] [stdout] 82 + if terminate { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `connections` [INFO] [stdout] --> main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connections` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> main.rs:42:25 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((mut s , addr)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chan` [INFO] [stdout] --> main.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | let chan:Chan = Chan::fromTuple( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chan` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> main.rs:61:30 [INFO] [stdout] | [INFO] [stdout] 61 | Some(val) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut connections: HashMap = HashMap::new(); [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] --> main.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((mut s , addr)) => { [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] --> main.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | let mut part = &String::from_utf8(buffer).unwrap().to_owned(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tx` [INFO] [stdout] --> main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | tx: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rx` [INFO] [stdout] --> main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | rx: Receiver [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fromTuple` should have a snake case name [INFO] [stdout] --> main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn fromTuple( input: ( Sender, Receiver) ) -> Chan { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `from_tuple` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "ed6454f6b4d7d3a9f6e8405bc0595231782cbb97b9ccf31139b60fe1e73b6a9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed6454f6b4d7d3a9f6e8405bc0595231782cbb97b9ccf31139b60fe1e73b6a9e", kill_on_drop: false }` [INFO] [stdout] ed6454f6b4d7d3a9f6e8405bc0595231782cbb97b9ccf31139b60fe1e73b6a9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc3f77ac5cabe57fc755fcddcb9e095550b9c76b990544b2d28870ec5333ef8f [INFO] running `Command { std: "docker" "start" "-a" "fc3f77ac5cabe57fc755fcddcb9e095550b9c76b990544b2d28870ec5333ef8f", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-socker-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> main.rs:60:26 [INFO] [stdout] | [INFO] [stdout] 60 | match(x) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - match(x) { [INFO] [stdout] 60 + match x { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> main.rs:69:26 [INFO] [stdout] | [INFO] [stdout] 69 | match(x) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 69 - match(x) { [INFO] [stdout] 69 + match x { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> main.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | ... if (val!=msg.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - if (val!=msg.len()) { [INFO] [stdout] 73 + if val!=msg.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> main.rs:82:24 [INFO] [stdout] | [INFO] [stdout] 82 | if (terminate) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 82 - if (terminate) { [INFO] [stdout] 82 + if terminate { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `connections` [INFO] [stdout] --> main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connections` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> main.rs:42:25 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((mut s , addr)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chan` [INFO] [stdout] --> main.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | let chan:Chan = Chan::fromTuple( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chan` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> main.rs:61:30 [INFO] [stdout] | [INFO] [stdout] 61 | Some(val) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut connections: HashMap = HashMap::new(); [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] --> main.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((mut s , addr)) => { [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] --> main.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | let mut part = &String::from_utf8(buffer).unwrap().to_owned(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tx` [INFO] [stdout] --> main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | tx: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rx` [INFO] [stdout] --> main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | rx: Receiver [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fromTuple` should have a snake case name [INFO] [stdout] --> main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn fromTuple( input: ( Sender, Receiver) ) -> Chan { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `from_tuple` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "fc3f77ac5cabe57fc755fcddcb9e095550b9c76b990544b2d28870ec5333ef8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc3f77ac5cabe57fc755fcddcb9e095550b9c76b990544b2d28870ec5333ef8f", kill_on_drop: false }` [INFO] [stdout] fc3f77ac5cabe57fc755fcddcb9e095550b9c76b990544b2d28870ec5333ef8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3387ea4c271642634dacc1ad8ca67c45e8459a5ca3abcc0141046ac2158aced5 [INFO] running `Command { std: "docker" "start" "-a" "3387ea4c271642634dacc1ad8ca67c45e8459a5ca3abcc0141046ac2158aced5", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result` [INFO] [stderr] --> main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> main.rs:60:26 [INFO] [stderr] | [INFO] [stderr] 60 | match(x) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 60 - match(x) { [INFO] [stderr] 60 + match x { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> main.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | match(x) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 69 - match(x) { [INFO] [stderr] 69 + match x { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | ... if (val!=msg.len()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 73 - if (val!=msg.len()) { [INFO] [stderr] 73 + if val!=msg.len() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:82:24 [INFO] [stderr] | [INFO] [stderr] 82 | if (terminate) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 82 - if (terminate) { [INFO] [stderr] 82 + if terminate { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connections` [INFO] [stderr] --> main.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connections` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> main.rs:42:25 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chan` [INFO] [stderr] --> main.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | let chan:Chan = Chan::fromTuple( [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_chan` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> main.rs:61:30 [INFO] [stderr] | [INFO] [stderr] 61 | Some(val) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | let mut part = &String::from_utf8(buffer).unwrap().to_owned(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `tx` [INFO] [stderr] --> main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | tx: Sender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rx` [INFO] [stderr] --> main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | rx: Receiver [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `fromTuple` should have a snake case name [INFO] [stderr] --> main.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn fromTuple( input: ( Sender, Receiver) ) -> Chan { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `from_tuple` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tcp-socker-example` (bin "tcp-socker-example" test) generated 17 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcp_socker_example-d4d102c26dcf0338) [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" "3387ea4c271642634dacc1ad8ca67c45e8459a5ca3abcc0141046ac2158aced5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3387ea4c271642634dacc1ad8ca67c45e8459a5ca3abcc0141046ac2158aced5", kill_on_drop: false }` [INFO] [stdout] 3387ea4c271642634dacc1ad8ca67c45e8459a5ca3abcc0141046ac2158aced5