Nov 29 14:00:51.750 INFO checking zerovolts/rust-chat against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 29 14:00:51.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 29 14:00:52.082 INFO [stdout] 9804cc8201008469b86ad5c8113638b903b9ce2912039f5288e3a3a0d48abc9c Nov 29 14:00:52.086 INFO running `"docker" "start" "-a" "9804cc8201008469b86ad5c8113638b903b9ce2912039f5288e3a3a0d48abc9c"` Nov 29 14:00:53.208 INFO [stderr] usermod: no changes Nov 29 14:00:53.252 INFO [stderr] Checking rust-chat v0.1.0 (/source) Nov 29 14:00:53.392 INFO [stderr] warning: unused import: `Write` Nov 29 14:00:53.392 INFO [stderr] --> src/server.rs:3:21 Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] 3 | use std::io::{Read, Write}; Nov 29 14:00:53.392 INFO [stderr] | ^^^^^ Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 29 14:00:53.392 INFO [stderr] Nov 29 14:00:53.392 INFO [stderr] warning: unused import: `TcpListener` Nov 29 14:00:53.392 INFO [stderr] --> src/client.rs:1:16 Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream}; Nov 29 14:00:53.392 INFO [stderr] | ^^^^^^^^^^^ Nov 29 14:00:53.392 INFO [stderr] Nov 29 14:00:53.392 INFO [stderr] warning: unused imports: `Arc`, `Mutex` Nov 29 14:00:53.392 INFO [stderr] --> src/client.rs:2:17 Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] 2 | use std::sync::{Arc, Mutex}; Nov 29 14:00:53.392 INFO [stderr] | ^^^ ^^^^^ Nov 29 14:00:53.392 INFO [stderr] Nov 29 14:00:53.392 INFO [stderr] warning: unused import: `Read` Nov 29 14:00:53.392 INFO [stderr] --> src/client.rs:3:15 Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] 3 | use std::io::{Read, Write}; Nov 29 14:00:53.392 INFO [stderr] | ^^^^ Nov 29 14:00:53.392 INFO [stderr] Nov 29 14:00:53.392 INFO [stderr] warning: unused imports: `thread`, `time` Nov 29 14:00:53.392 INFO [stderr] --> src/client.rs:4:11 Nov 29 14:00:53.392 INFO [stderr] | Nov 29 14:00:53.392 INFO [stderr] 4 | use std::{thread, time}; Nov 29 14:00:53.392 INFO [stderr] | ^^^^^^ ^^^^ Nov 29 14:00:53.392 INFO [stderr] Nov 29 14:00:53.452 INFO [stderr] warning: unused variable: `e` Nov 29 14:00:53.452 INFO [stderr] --> src/server.rs:32:21 Nov 29 14:00:53.452 INFO [stderr] | Nov 29 14:00:53.452 INFO [stderr] 32 | Err(e) => () Nov 29 14:00:53.452 INFO [stderr] | ^ help: consider using `_e` instead Nov 29 14:00:53.452 INFO [stderr] | Nov 29 14:00:53.452 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 29 14:00:53.452 INFO [stderr] Nov 29 14:00:53.467 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:00:53.467 INFO [stderr] --> src/server.rs:37:22 Nov 29 14:00:53.467 INFO [stderr] | Nov 29 14:00:53.467 INFO [stderr] 37 | fn handle_client(mut stream: Arc>) { Nov 29 14:00:53.467 INFO [stderr] | ----^^^^^^ Nov 29 14:00:53.467 INFO [stderr] | | Nov 29 14:00:53.467 INFO [stderr] | help: remove this `mut` Nov 29 14:00:53.471 INFO [stderr] | Nov 29 14:00:53.471 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 14:00:53.471 INFO [stderr] Nov 29 14:00:53.473 INFO [stderr] warning: field is never used: `address` Nov 29 14:00:53.473 INFO [stderr] --> src/server.rs:6:5 Nov 29 14:00:53.473 INFO [stderr] | Nov 29 14:00:53.473 INFO [stderr] 6 | address: String, Nov 29 14:00:53.473 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 14:00:53.473 INFO [stderr] | Nov 29 14:00:53.473 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 29 14:00:53.473 INFO [stderr] Nov 29 14:00:53.473 INFO [stderr] warning: field is never used: `messages` Nov 29 14:00:53.473 INFO [stderr] --> src/server.rs:9:5 Nov 29 14:00:53.473 INFO [stderr] | Nov 29 14:00:53.473 INFO [stderr] 9 | messages: Vec Nov 29 14:00:53.473 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.473 INFO [stderr] Nov 29 14:00:53.473 INFO [stderr] warning: field is never used: `address` Nov 29 14:00:53.473 INFO [stderr] --> src/client.rs:7:5 Nov 29 14:00:53.473 INFO [stderr] | Nov 29 14:00:53.473 INFO [stderr] 7 | address: String, Nov 29 14:00:53.473 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 14:00:53.473 INFO [stderr] Nov 29 14:00:53.488 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:00:53.488 INFO [stderr] --> src/server.rs:39:9 Nov 29 14:00:53.488 INFO [stderr] | Nov 29 14:00:53.488 INFO [stderr] 39 | stream.lock().unwrap().read_to_string(&mut buffer); Nov 29 14:00:53.488 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.488 INFO [stderr] | Nov 29 14:00:53.488 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 14:00:53.488 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:00:53.488 INFO [stderr] Nov 29 14:00:53.488 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:00:53.488 INFO [stderr] --> src/client.rs:25:9 Nov 29 14:00:53.488 INFO [stderr] | Nov 29 14:00:53.488 INFO [stderr] 25 | self.stream.write(String::from(message).as_bytes()); Nov 29 14:00:53.488 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.488 INFO [stderr] | Nov 29 14:00:53.488 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:00:53.488 INFO [stderr] Nov 29 14:00:53.592 INFO [stderr] warning: unused import: `Write` Nov 29 14:00:53.592 INFO [stderr] --> src/server.rs:3:21 Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] 3 | use std::io::{Read, Write}; Nov 29 14:00:53.592 INFO [stderr] | ^^^^^ Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 29 14:00:53.592 INFO [stderr] Nov 29 14:00:53.592 INFO [stderr] warning: unused import: `TcpListener` Nov 29 14:00:53.592 INFO [stderr] --> src/client.rs:1:16 Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream}; Nov 29 14:00:53.592 INFO [stderr] | ^^^^^^^^^^^ Nov 29 14:00:53.592 INFO [stderr] Nov 29 14:00:53.592 INFO [stderr] warning: unused imports: `Arc`, `Mutex` Nov 29 14:00:53.592 INFO [stderr] --> src/client.rs:2:17 Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] 2 | use std::sync::{Arc, Mutex}; Nov 29 14:00:53.592 INFO [stderr] | ^^^ ^^^^^ Nov 29 14:00:53.592 INFO [stderr] Nov 29 14:00:53.592 INFO [stderr] warning: unused import: `Read` Nov 29 14:00:53.592 INFO [stderr] --> src/client.rs:3:15 Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] 3 | use std::io::{Read, Write}; Nov 29 14:00:53.592 INFO [stderr] | ^^^^ Nov 29 14:00:53.592 INFO [stderr] Nov 29 14:00:53.592 INFO [stderr] warning: unused imports: `thread`, `time` Nov 29 14:00:53.592 INFO [stderr] --> src/client.rs:4:11 Nov 29 14:00:53.592 INFO [stderr] | Nov 29 14:00:53.592 INFO [stderr] 4 | use std::{thread, time}; Nov 29 14:00:53.592 INFO [stderr] | ^^^^^^ ^^^^ Nov 29 14:00:53.592 INFO [stderr] Nov 29 14:00:53.668 INFO [stderr] warning: unused variable: `e` Nov 29 14:00:53.668 INFO [stderr] --> src/server.rs:32:21 Nov 29 14:00:53.668 INFO [stderr] | Nov 29 14:00:53.668 INFO [stderr] 32 | Err(e) => () Nov 29 14:00:53.668 INFO [stderr] | ^ help: consider using `_e` instead Nov 29 14:00:53.668 INFO [stderr] | Nov 29 14:00:53.668 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 29 14:00:53.668 INFO [stderr] Nov 29 14:00:53.686 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:00:53.686 INFO [stderr] --> src/server.rs:37:22 Nov 29 14:00:53.686 INFO [stderr] | Nov 29 14:00:53.686 INFO [stderr] 37 | fn handle_client(mut stream: Arc>) { Nov 29 14:00:53.686 INFO [stderr] | ----^^^^^^ Nov 29 14:00:53.686 INFO [stderr] | | Nov 29 14:00:53.686 INFO [stderr] | help: remove this `mut` Nov 29 14:00:53.686 INFO [stderr] | Nov 29 14:00:53.686 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 14:00:53.686 INFO [stderr] Nov 29 14:00:53.692 INFO [stderr] warning: field is never used: `address` Nov 29 14:00:53.692 INFO [stderr] --> src/server.rs:6:5 Nov 29 14:00:53.692 INFO [stderr] | Nov 29 14:00:53.692 INFO [stderr] 6 | address: String, Nov 29 14:00:53.692 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 14:00:53.692 INFO [stderr] | Nov 29 14:00:53.692 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 29 14:00:53.692 INFO [stderr] Nov 29 14:00:53.692 INFO [stderr] warning: field is never used: `messages` Nov 29 14:00:53.692 INFO [stderr] --> src/server.rs:9:5 Nov 29 14:00:53.692 INFO [stderr] | Nov 29 14:00:53.692 INFO [stderr] 9 | messages: Vec Nov 29 14:00:53.692 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.692 INFO [stderr] Nov 29 14:00:53.692 INFO [stderr] warning: field is never used: `address` Nov 29 14:00:53.692 INFO [stderr] --> src/client.rs:7:5 Nov 29 14:00:53.692 INFO [stderr] | Nov 29 14:00:53.692 INFO [stderr] 7 | address: String, Nov 29 14:00:53.692 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 14:00:53.692 INFO [stderr] Nov 29 14:00:53.696 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:00:53.696 INFO [stderr] --> src/server.rs:39:9 Nov 29 14:00:53.696 INFO [stderr] | Nov 29 14:00:53.696 INFO [stderr] 39 | stream.lock().unwrap().read_to_string(&mut buffer); Nov 29 14:00:53.696 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.696 INFO [stderr] | Nov 29 14:00:53.696 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 14:00:53.696 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:00:53.696 INFO [stderr] Nov 29 14:00:53.712 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:00:53.712 INFO [stderr] --> src/client.rs:25:9 Nov 29 14:00:53.712 INFO [stderr] | Nov 29 14:00:53.712 INFO [stderr] 25 | self.stream.write(String::from(message).as_bytes()); Nov 29 14:00:53.712 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:00:53.712 INFO [stderr] | Nov 29 14:00:53.712 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:00:53.712 INFO [stderr] Nov 29 14:00:53.745 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s Nov 29 14:00:53.748 INFO [stderr] su: No module specific data is present Nov 29 14:00:54.304 INFO running `"docker" "inspect" "9804cc8201008469b86ad5c8113638b903b9ce2912039f5288e3a3a0d48abc9c"` Nov 29 14:00:54.518 INFO running `"docker" "rm" "-f" "9804cc8201008469b86ad5c8113638b903b9ce2912039f5288e3a3a0d48abc9c"` Nov 29 14:00:54.751 INFO [stdout] 9804cc8201008469b86ad5c8113638b903b9ce2912039f5288e3a3a0d48abc9c