[INFO] cloning repository https://github.com/hqt/tcpserver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hqt/tcpserver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqt%2Ftcpserver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqt%2Ftcpserver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca81a994938c45083a5bf5ba6ced438e4c49af64 [INFO] testing hqt/tcpserver-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqt%2Ftcpserver-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hqt/tcpserver-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hqt/tcpserver-rust [INFO] finished tweaking git repo https://github.com/hqt/tcpserver-rust [INFO] tweaked toml for git repo https://github.com/hqt/tcpserver-rust written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/hqt/tcpserver-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 325f8009ef4cec7e1bfd7a4b6d9bf2b3a61f2b277378abed77a3f7d280aee327 [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" "325f8009ef4cec7e1bfd7a4b6d9bf2b3a61f2b277378abed77a3f7d280aee327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "325f8009ef4cec7e1bfd7a4b6d9bf2b3a61f2b277378abed77a3f7d280aee327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "325f8009ef4cec7e1bfd7a4b6d9bf2b3a61f2b277378abed77a3f7d280aee327", kill_on_drop: false }` [INFO] [stdout] 325f8009ef4cec7e1bfd7a4b6d9bf2b3a61f2b277378abed77a3f7d280aee327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42200e713f14445685882fda3217bb50945afebfd5d306b109ccc9b79d193e60 [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" "42200e713f14445685882fda3217bb50945afebfd5d306b109ccc9b79d193e60", kill_on_drop: false }` [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stderr] Compiling client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> server/src/client_manager.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stdout] --> server/src/server.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::{Arc, Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> server/src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> server/src/server.rs:32:51 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn start_test_server(&mut self) -> Result<(String), io::Error> { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> server/src/server.rs:80:18 [INFO] [stdout] | [INFO] [stdout] 80 | fn handle_client(server: Arc, mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `counter` [INFO] [stdout] --> server/src/id_generator.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | counter: AtomicUsize [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_id` [INFO] [stdout] --> server/src/id_generator.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn next_id(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id_generator` [INFO] [stdout] --> server/src/client_manager.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | id_generator: IDGenerator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `clients` [INFO] [stdout] --> server/src/client_manager.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | clients: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_client` [INFO] [stdout] --> server/src/client_manager.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_client(&mut self, conn: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TEST_PORT` [INFO] [stdout] --> server/src/server.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | static TEST_PORT: AtomicUsize = AtomicUsize::new(20_000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `listener` [INFO] [stdout] --> server/src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | listener: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `client_managers` [INFO] [stdout] --> server/src/server.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | client_managers: ClientManager, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start_test_server` [INFO] [stdout] --> server/src/server.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn start_test_server(&mut self) -> Result<(String), io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> server/src/server.rs:94:24 [INFO] [stdout] | [INFO] [stdout] 94 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 94 | panic!("{}", err); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 94 | std::panic::panic_any(err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> server/src/main.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "42200e713f14445685882fda3217bb50945afebfd5d306b109ccc9b79d193e60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42200e713f14445685882fda3217bb50945afebfd5d306b109ccc9b79d193e60", kill_on_drop: false }` [INFO] [stdout] 42200e713f14445685882fda3217bb50945afebfd5d306b109ccc9b79d193e60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 438687c22185f9240835faa0d405a651f8e4e24cf0238e892ad0f3ad07019a05 [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" "438687c22185f9240835faa0d405a651f8e4e24cf0238e892ad0f3ad07019a05", kill_on_drop: false }` [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stderr] Compiling client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> server/src/client_manager.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::id_generator::IDGenerator` [INFO] [stdout] --> server/src/client_manager.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | use crate::id_generator::IDGenerator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stdout] --> server/src/server.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::{Arc, Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> server/src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> server/src/server.rs:32:51 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn start_test_server(&mut self) -> Result<(String), io::Error> { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> server/src/server.rs:80:18 [INFO] [stdout] | [INFO] [stdout] 80 | fn handle_client(server: Arc, mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id_generator` [INFO] [stdout] --> server/src/client_manager.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | id_generator: IDGenerator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `clients` [INFO] [stdout] --> server/src/client_manager.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | clients: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_client` [INFO] [stdout] --> server/src/client_manager.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_client(&mut self, conn: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `listener` [INFO] [stdout] --> server/src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | listener: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `client_managers` [INFO] [stdout] --> server/src/server.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | client_managers: ClientManager, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> server/src/server.rs:94:24 [INFO] [stdout] | [INFO] [stdout] 94 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 94 | panic!("{}", err); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 94 | std::panic::panic_any(err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> server/src/main.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.72s [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "438687c22185f9240835faa0d405a651f8e4e24cf0238e892ad0f3ad07019a05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "438687c22185f9240835faa0d405a651f8e4e24cf0238e892ad0f3ad07019a05", kill_on_drop: false }` [INFO] [stdout] 438687c22185f9240835faa0d405a651f8e4e24cf0238e892ad0f3ad07019a05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 467a49dd8d3a5173280396033201d4299fcbd13ec319ffa8a05a791dac9c3a5a [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" "467a49dd8d3a5173280396033201d4299fcbd13ec319ffa8a05a791dac9c3a5a", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Read`, `Write` [INFO] [stderr] --> server/src/client_manager.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{Write, Read}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::id_generator::IDGenerator` [INFO] [stderr] --> server/src/client_manager.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | use crate::id_generator::IDGenerator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stderr] --> server/src/server.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::{Arc, Mutex, MutexGuard}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> server/src/server.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> server/src/server.rs:32:51 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn start_test_server(&mut self) -> Result<(String), io::Error> { [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `server` [INFO] [stderr] --> server/src/server.rs:80:18 [INFO] [stderr] | [INFO] [stderr] 80 | fn handle_client(server: Arc, mut stream: TcpStream) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id_generator` [INFO] [stderr] --> server/src/client_manager.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | id_generator: IDGenerator, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `clients` [INFO] [stderr] --> server/src/client_manager.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | clients: HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_client` [INFO] [stderr] --> server/src/client_manager.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn add_client(&mut self, conn: TcpStream) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `listener` [INFO] [stderr] --> server/src/server.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | listener: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `client_managers` [INFO] [stderr] --> server/src/server.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | client_managers: ClientManager, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> server/src/server.rs:94:24 [INFO] [stderr] | [INFO] [stderr] 94 | panic!(err); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 94 | panic!("{}", err); [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 94 | std::panic::panic_any(err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> server/src/main.rs:9:26 [INFO] [stderr] | [INFO] [stderr] 9 | Err(e) => panic!(e), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 9 | Err(e) => panic!("{}", e), [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/client-e3cdae79bdd6a30f) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-8a4392cb280885de) [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test id_generator::id_generator_test::next_id ... ok [INFO] [stdout] test client_manager::client_manager_test::add_client ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "467a49dd8d3a5173280396033201d4299fcbd13ec319ffa8a05a791dac9c3a5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "467a49dd8d3a5173280396033201d4299fcbd13ec319ffa8a05a791dac9c3a5a", kill_on_drop: false }` [INFO] [stdout] 467a49dd8d3a5173280396033201d4299fcbd13ec319ffa8a05a791dac9c3a5a