Nov 30 19:10:41.626 INFO testing zerovolts/rust-chat against 1.30.1 for beta-1.31-5
Nov 30 19:10:41.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:10:42.102 INFO [stdout] 8365fd24662eaef643ddf891dee20572ba33ea87459e6424a8f20ddc95b0e2fa
Nov 30 19:10:42.111 INFO running `"docker" "start" "-a" "8365fd24662eaef643ddf891dee20572ba33ea87459e6424a8f20ddc95b0e2fa"`
Nov 30 19:10:43.373 INFO [stderr] usermod: no changes
Nov 30 19:10:43.464 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 30 19:10:43.607 INFO [stderr] warning: unused import: `Write`
Nov 30 19:10:43.607 INFO [stderr]  --> src/server.rs:3:21
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 30 19:10:43.607 INFO [stderr]   |                     ^^^^^
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:10:43.607 INFO [stderr] 
Nov 30 19:10:43.607 INFO [stderr] warning: unused import: `TcpListener`
Nov 30 19:10:43.607 INFO [stderr]  --> src/client.rs:1:16
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 30 19:10:43.607 INFO [stderr]   |                ^^^^^^^^^^^
Nov 30 19:10:43.607 INFO [stderr] 
Nov 30 19:10:43.607 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 30 19:10:43.607 INFO [stderr]  --> src/client.rs:2:17
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 30 19:10:43.607 INFO [stderr]   |                 ^^^  ^^^^^
Nov 30 19:10:43.607 INFO [stderr] 
Nov 30 19:10:43.607 INFO [stderr] warning: unused import: `Read`
Nov 30 19:10:43.607 INFO [stderr]  --> src/client.rs:3:15
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 30 19:10:43.607 INFO [stderr]   |               ^^^^
Nov 30 19:10:43.607 INFO [stderr] 
Nov 30 19:10:43.607 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 30 19:10:43.607 INFO [stderr]  --> src/client.rs:4:11
Nov 30 19:10:43.607 INFO [stderr]   |
Nov 30 19:10:43.607 INFO [stderr] 4 | use std::{thread, time};
Nov 30 19:10:43.607 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 30 19:10:43.607 INFO [stderr] 
Nov 30 19:10:43.663 INFO [stderr] warning: unused variable: `e`
Nov 30 19:10:43.663 INFO [stderr]   --> src/server.rs:32:21
Nov 30 19:10:43.663 INFO [stderr]    |
Nov 30 19:10:43.663 INFO [stderr] 32 |                 Err(e) => ()
Nov 30 19:10:43.663 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 30 19:10:43.663 INFO [stderr]    |
Nov 30 19:10:43.663 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:10:43.663 INFO [stderr] 
Nov 30 19:10:43.670 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:10:43.670 INFO [stderr]   --> src/server.rs:37:22
Nov 30 19:10:43.670 INFO [stderr]    |
Nov 30 19:10:43.670 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 30 19:10:43.670 INFO [stderr]    |                      ----^^^^^^
Nov 30 19:10:43.670 INFO [stderr]    |                      |
Nov 30 19:10:43.670 INFO [stderr]    |                      help: remove this `mut`
Nov 30 19:10:43.670 INFO [stderr]    |
Nov 30 19:10:43.670 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:10:43.670 INFO [stderr] 
Nov 30 19:10:43.671 INFO [stderr] warning: field is never used: `address`
Nov 30 19:10:43.671 INFO [stderr]  --> src/server.rs:6:5
Nov 30 19:10:43.671 INFO [stderr]   |
Nov 30 19:10:43.671 INFO [stderr] 6 |     address: String,
Nov 30 19:10:43.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:10:43.671 INFO [stderr]   |
Nov 30 19:10:43.671 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 19:10:43.671 INFO [stderr] 
Nov 30 19:10:43.671 INFO [stderr] warning: field is never used: `messages`
Nov 30 19:10:43.671 INFO [stderr]  --> src/server.rs:9:5
Nov 30 19:10:43.671 INFO [stderr]   |
Nov 30 19:10:43.671 INFO [stderr] 9 |     messages: Vec<String>
Nov 30 19:10:43.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:43.671 INFO [stderr] 
Nov 30 19:10:43.671 INFO [stderr] warning: field is never used: `address`
Nov 30 19:10:43.671 INFO [stderr]  --> src/client.rs:7:5
Nov 30 19:10:43.671 INFO [stderr]   |
Nov 30 19:10:43.671 INFO [stderr] 7 |     address: String,
Nov 30 19:10:43.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:10:43.671 INFO [stderr] 
Nov 30 19:10:43.680 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:10:43.680 INFO [stderr]   --> src/server.rs:39:9
Nov 30 19:10:43.680 INFO [stderr]    |
Nov 30 19:10:43.680 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 30 19:10:43.680 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:43.680 INFO [stderr]    |
Nov 30 19:10:43.680 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:10:43.680 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:10:43.680 INFO [stderr] 
Nov 30 19:10:43.680 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:10:43.680 INFO [stderr]   --> src/client.rs:25:9
Nov 30 19:10:43.680 INFO [stderr]    |
Nov 30 19:10:43.680 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 30 19:10:43.680 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:43.680 INFO [stderr]    |
Nov 30 19:10:43.680 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:10:43.680 INFO [stderr] 
Nov 30 19:10:44.450 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Nov 30 19:10:44.451 INFO [stderr] su: No module specific data is present
Nov 30 19:10:45.046 INFO running `"docker" "inspect" "8365fd24662eaef643ddf891dee20572ba33ea87459e6424a8f20ddc95b0e2fa"`
Nov 30 19:10:45.269 INFO running `"docker" "rm" "-f" "8365fd24662eaef643ddf891dee20572ba33ea87459e6424a8f20ddc95b0e2fa"`
Nov 30 19:10:45.586 INFO [stdout] 8365fd24662eaef643ddf891dee20572ba33ea87459e6424a8f20ddc95b0e2fa
Nov 30 19:10:45.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:10:46.034 INFO [stdout] f8cc8501a4da7ee9fa7561d3e3074c79c871cdbb1235a2b44d89ec190a973aaa
Nov 30 19:10:46.045 INFO running `"docker" "start" "-a" "f8cc8501a4da7ee9fa7561d3e3074c79c871cdbb1235a2b44d89ec190a973aaa"`
Nov 30 19:10:47.280 INFO [stderr] usermod: no changes
Nov 30 19:10:47.383 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 30 19:10:47.534 INFO [stderr] warning: unused import: `Write`
Nov 30 19:10:47.534 INFO [stderr]  --> src/server.rs:3:21
Nov 30 19:10:47.534 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 30 19:10:47.535 INFO [stderr]   |                     ^^^^^
Nov 30 19:10:47.535 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:10:47.535 INFO [stderr] 
Nov 30 19:10:47.535 INFO [stderr] warning: unused import: `TcpListener`
Nov 30 19:10:47.535 INFO [stderr]  --> src/client.rs:1:16
Nov 30 19:10:47.535 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 30 19:10:47.535 INFO [stderr]   |                ^^^^^^^^^^^
Nov 30 19:10:47.535 INFO [stderr] 
Nov 30 19:10:47.535 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 30 19:10:47.535 INFO [stderr]  --> src/client.rs:2:17
Nov 30 19:10:47.535 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 30 19:10:47.535 INFO [stderr]   |                 ^^^  ^^^^^
Nov 30 19:10:47.535 INFO [stderr] 
Nov 30 19:10:47.535 INFO [stderr] warning: unused import: `Read`
Nov 30 19:10:47.535 INFO [stderr]  --> src/client.rs:3:15
Nov 30 19:10:47.535 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 30 19:10:47.535 INFO [stderr]   |               ^^^^
Nov 30 19:10:47.535 INFO [stderr] 
Nov 30 19:10:47.535 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 30 19:10:47.535 INFO [stderr]  --> src/client.rs:4:11
Nov 30 19:10:47.535 INFO [stderr]   |
Nov 30 19:10:47.535 INFO [stderr] 4 | use std::{thread, time};
Nov 30 19:10:47.535 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 30 19:10:47.535 INFO [stderr] 
Nov 30 19:10:47.603 INFO [stderr] warning: unused variable: `e`
Nov 30 19:10:47.603 INFO [stderr]   --> src/server.rs:32:21
Nov 30 19:10:47.603 INFO [stderr]    |
Nov 30 19:10:47.603 INFO [stderr] 32 |                 Err(e) => ()
Nov 30 19:10:47.603 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 30 19:10:47.603 INFO [stderr]    |
Nov 30 19:10:47.603 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:10:47.603 INFO [stderr] 
Nov 30 19:10:47.603 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:10:47.603 INFO [stderr]   --> src/server.rs:37:22
Nov 30 19:10:47.603 INFO [stderr]    |
Nov 30 19:10:47.603 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 30 19:10:47.603 INFO [stderr]    |                      ----^^^^^^
Nov 30 19:10:47.603 INFO [stderr]    |                      |
Nov 30 19:10:47.603 INFO [stderr]    |                      help: remove this `mut`
Nov 30 19:10:47.603 INFO [stderr]    |
Nov 30 19:10:47.603 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:10:47.603 INFO [stderr] 
Nov 30 19:10:47.603 INFO [stderr] warning: field is never used: `address`
Nov 30 19:10:47.603 INFO [stderr]  --> src/server.rs:6:5
Nov 30 19:10:47.603 INFO [stderr]   |
Nov 30 19:10:47.603 INFO [stderr] 6 |     address: String,
Nov 30 19:10:47.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:10:47.603 INFO [stderr]   |
Nov 30 19:10:47.603 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 19:10:47.603 INFO [stderr] 
Nov 30 19:10:47.603 INFO [stderr] warning: field is never used: `messages`
Nov 30 19:10:47.603 INFO [stderr]  --> src/server.rs:9:5
Nov 30 19:10:47.603 INFO [stderr]   |
Nov 30 19:10:47.603 INFO [stderr] 9 |     messages: Vec<String>
Nov 30 19:10:47.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:47.603 INFO [stderr] 
Nov 30 19:10:47.603 INFO [stderr] warning: field is never used: `address`
Nov 30 19:10:47.603 INFO [stderr]  --> src/client.rs:7:5
Nov 30 19:10:47.603 INFO [stderr]   |
Nov 30 19:10:47.603 INFO [stderr] 7 |     address: String,
Nov 30 19:10:47.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:10:47.603 INFO [stderr] 
Nov 30 19:10:47.610 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:10:47.610 INFO [stderr]   --> src/server.rs:39:9
Nov 30 19:10:47.610 INFO [stderr]    |
Nov 30 19:10:47.610 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 30 19:10:47.610 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:47.610 INFO [stderr]    |
Nov 30 19:10:47.610 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:10:47.610 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:10:47.610 INFO [stderr] 
Nov 30 19:10:47.610 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:10:47.610 INFO [stderr]   --> src/client.rs:25:9
Nov 30 19:10:47.610 INFO [stderr]    |
Nov 30 19:10:47.610 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 30 19:10:47.610 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:10:47.610 INFO [stderr]    |
Nov 30 19:10:47.610 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:10:47.610 INFO [stderr] 
Nov 30 19:10:48.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 30 19:10:48.107 INFO [stderr] su: No module specific data is present
Nov 30 19:10:48.857 INFO running `"docker" "inspect" "f8cc8501a4da7ee9fa7561d3e3074c79c871cdbb1235a2b44d89ec190a973aaa"`
Nov 30 19:10:49.244 INFO running `"docker" "rm" "-f" "f8cc8501a4da7ee9fa7561d3e3074c79c871cdbb1235a2b44d89ec190a973aaa"`
Nov 30 19:10:49.536 INFO [stdout] f8cc8501a4da7ee9fa7561d3e3074c79c871cdbb1235a2b44d89ec190a973aaa
Nov 30 19:10:49.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:10:50.016 INFO [stdout] 18aa0a724a1923900df5d010f034c0e47e15e045cf4c477af727d4f9b3d8dcbb
Nov 30 19:10:50.022 INFO running `"docker" "start" "-a" "18aa0a724a1923900df5d010f034c0e47e15e045cf4c477af727d4f9b3d8dcbb"`
Nov 30 19:10:51.342 INFO [stderr] usermod: no changes
Nov 30 19:10:51.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 30 19:10:51.394 INFO [stderr]      Running /target/debug/deps/rust_chat-79cfe95040a0688f
Nov 30 19:10:51.394 INFO [stdout] 
Nov 30 19:10:51.394 INFO [stdout] running 0 tests
Nov 30 19:10:51.395 INFO [stdout] 
Nov 30 19:10:51.395 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 19:10:51.396 INFO [stdout] 
Nov 30 19:10:51.400 INFO [stderr] su: No module specific data is present
Nov 30 19:10:52.373 INFO running `"docker" "inspect" "18aa0a724a1923900df5d010f034c0e47e15e045cf4c477af727d4f9b3d8dcbb"`
Nov 30 19:10:52.661 INFO running `"docker" "rm" "-f" "18aa0a724a1923900df5d010f034c0e47e15e045cf4c477af727d4f9b3d8dcbb"`
Nov 30 19:10:53.038 INFO [stdout] 18aa0a724a1923900df5d010f034c0e47e15e045cf4c477af727d4f9b3d8dcbb
