Nov 16 06:52:24.914 INFO testing zerovolts/rust-chat against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 06:52:24.914 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 06:52:25.293 INFO [stdout] 226043632afce2cc8ccccf58f2f78a6086780633c2fa04119d16587fd0411031
Nov 16 06:52:25.296 INFO running `"docker" "start" "-a" "226043632afce2cc8ccccf58f2f78a6086780633c2fa04119d16587fd0411031"`
Nov 16 06:52:26.815 INFO [stderr] usermod: no changes
Nov 16 06:52:26.879 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 16 06:52:27.003 INFO [stderr] warning: unused import: `Write`
Nov 16 06:52:27.003 INFO [stderr]  --> src/server.rs:3:21
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:27.003 INFO [stderr]   |                     ^^^^^
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:52:27.003 INFO [stderr] 
Nov 16 06:52:27.003 INFO [stderr] warning: unused import: `TcpListener`
Nov 16 06:52:27.003 INFO [stderr]  --> src/client.rs:1:16
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 16 06:52:27.003 INFO [stderr]   |                ^^^^^^^^^^^
Nov 16 06:52:27.003 INFO [stderr] 
Nov 16 06:52:27.003 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 16 06:52:27.003 INFO [stderr]  --> src/client.rs:2:17
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 16 06:52:27.003 INFO [stderr]   |                 ^^^  ^^^^^
Nov 16 06:52:27.003 INFO [stderr] 
Nov 16 06:52:27.003 INFO [stderr] warning: unused import: `Read`
Nov 16 06:52:27.003 INFO [stderr]  --> src/client.rs:3:15
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:27.003 INFO [stderr]   |               ^^^^
Nov 16 06:52:27.003 INFO [stderr] 
Nov 16 06:52:27.003 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 16 06:52:27.003 INFO [stderr]  --> src/client.rs:4:11
Nov 16 06:52:27.003 INFO [stderr]   |
Nov 16 06:52:27.003 INFO [stderr] 4 | use std::{thread, time};
Nov 16 06:52:27.003 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 16 06:52:27.003 INFO [stderr] 
Nov 16 06:52:27.067 INFO [stderr] warning: unused variable: `e`
Nov 16 06:52:27.067 INFO [stderr]   --> src/server.rs:32:21
Nov 16 06:52:27.067 INFO [stderr]    |
Nov 16 06:52:27.067 INFO [stderr] 32 |                 Err(e) => ()
Nov 16 06:52:27.067 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 16 06:52:27.067 INFO [stderr]    |
Nov 16 06:52:27.067 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 06:52:27.067 INFO [stderr] 
Nov 16 06:52:27.067 INFO [stderr] warning: variable does not need to be mutable
Nov 16 06:52:27.067 INFO [stderr]   --> src/server.rs:37:22
Nov 16 06:52:27.067 INFO [stderr]    |
Nov 16 06:52:27.067 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 16 06:52:27.067 INFO [stderr]    |                      ----^^^^^^
Nov 16 06:52:27.067 INFO [stderr]    |                      |
Nov 16 06:52:27.067 INFO [stderr]    |                      help: remove this `mut`
Nov 16 06:52:27.067 INFO [stderr]    |
Nov 16 06:52:27.067 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 06:52:27.067 INFO [stderr] 
Nov 16 06:52:27.067 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:27.067 INFO [stderr]  --> src/server.rs:6:5
Nov 16 06:52:27.067 INFO [stderr]   |
Nov 16 06:52:27.067 INFO [stderr] 6 |     address: String,
Nov 16 06:52:27.067 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:27.067 INFO [stderr]   |
Nov 16 06:52:27.067 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:52:27.067 INFO [stderr] 
Nov 16 06:52:27.067 INFO [stderr] warning: field is never used: `messages`
Nov 16 06:52:27.067 INFO [stderr]  --> src/server.rs:9:5
Nov 16 06:52:27.067 INFO [stderr]   |
Nov 16 06:52:27.067 INFO [stderr] 9 |     messages: Vec<String>
Nov 16 06:52:27.067 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:27.067 INFO [stderr] 
Nov 16 06:52:27.067 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:27.067 INFO [stderr]  --> src/client.rs:7:5
Nov 16 06:52:27.067 INFO [stderr]   |
Nov 16 06:52:27.067 INFO [stderr] 7 |     address: String,
Nov 16 06:52:27.068 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:27.068 INFO [stderr] 
Nov 16 06:52:27.079 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:27.079 INFO [stderr]   --> src/server.rs:39:9
Nov 16 06:52:27.079 INFO [stderr]    |
Nov 16 06:52:27.079 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 16 06:52:27.079 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:27.079 INFO [stderr]    |
Nov 16 06:52:27.079 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:52:27.079 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:27.079 INFO [stderr] 
Nov 16 06:52:27.079 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:27.079 INFO [stderr]   --> src/client.rs:25:9
Nov 16 06:52:27.079 INFO [stderr]    |
Nov 16 06:52:27.079 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 16 06:52:27.079 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:27.079 INFO [stderr]    |
Nov 16 06:52:27.079 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:27.079 INFO [stderr] 
Nov 16 06:52:27.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Nov 16 06:52:27.731 INFO [stderr] su: No module specific data is present
Nov 16 06:52:28.501 INFO running `"docker" "inspect" "226043632afce2cc8ccccf58f2f78a6086780633c2fa04119d16587fd0411031"`
Nov 16 06:52:28.884 INFO running `"docker" "rm" "-f" "226043632afce2cc8ccccf58f2f78a6086780633c2fa04119d16587fd0411031"`
Nov 16 06:52:29.259 INFO [stdout] 226043632afce2cc8ccccf58f2f78a6086780633c2fa04119d16587fd0411031
Nov 16 06:52:29.263 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 06:52:29.695 INFO [stdout] ed6de088b99c1f1c3d3719c705c2d7b286f077167a53031525cbbfede6879d9b
Nov 16 06:52:29.703 INFO running `"docker" "start" "-a" "ed6de088b99c1f1c3d3719c705c2d7b286f077167a53031525cbbfede6879d9b"`
Nov 16 06:52:31.462 INFO [stderr] usermod: no changes
Nov 16 06:52:31.515 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 16 06:52:31.663 INFO [stderr] warning: unused import: `Write`
Nov 16 06:52:31.663 INFO [stderr]  --> src/server.rs:3:21
Nov 16 06:52:31.663 INFO [stderr]   |
Nov 16 06:52:31.663 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:31.663 INFO [stderr]   |                     ^^^^^
Nov 16 06:52:31.663 INFO [stderr]   |
Nov 16 06:52:31.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:52:31.663 INFO [stderr] 
Nov 16 06:52:31.665 INFO [stderr] warning: unused import: `TcpListener`
Nov 16 06:52:31.665 INFO [stderr]  --> src/client.rs:1:16
Nov 16 06:52:31.665 INFO [stderr]   |
Nov 16 06:52:31.665 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 16 06:52:31.665 INFO [stderr]   |                ^^^^^^^^^^^
Nov 16 06:52:31.665 INFO [stderr] 
Nov 16 06:52:31.665 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 16 06:52:31.665 INFO [stderr]  --> src/client.rs:2:17
Nov 16 06:52:31.665 INFO [stderr]   |
Nov 16 06:52:31.665 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 16 06:52:31.665 INFO [stderr]   |                 ^^^  ^^^^^
Nov 16 06:52:31.665 INFO [stderr] 
Nov 16 06:52:31.665 INFO [stderr] warning: unused import: `Read`
Nov 16 06:52:31.665 INFO [stderr]  --> src/client.rs:3:15
Nov 16 06:52:31.665 INFO [stderr]   |
Nov 16 06:52:31.665 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:31.665 INFO [stderr]   |               ^^^^
Nov 16 06:52:31.665 INFO [stderr] 
Nov 16 06:52:31.665 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 16 06:52:31.665 INFO [stderr]  --> src/client.rs:4:11
Nov 16 06:52:31.665 INFO [stderr]   |
Nov 16 06:52:31.665 INFO [stderr] 4 | use std::{thread, time};
Nov 16 06:52:31.665 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 16 06:52:31.665 INFO [stderr] 
Nov 16 06:52:31.715 INFO [stderr] warning: unused variable: `e`
Nov 16 06:52:31.715 INFO [stderr]   --> src/server.rs:32:21
Nov 16 06:52:31.715 INFO [stderr]    |
Nov 16 06:52:31.715 INFO [stderr] 32 |                 Err(e) => ()
Nov 16 06:52:31.715 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 16 06:52:31.715 INFO [stderr]    |
Nov 16 06:52:31.715 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 06:52:31.715 INFO [stderr] 
Nov 16 06:52:31.735 INFO [stderr] warning: variable does not need to be mutable
Nov 16 06:52:31.735 INFO [stderr]   --> src/server.rs:37:22
Nov 16 06:52:31.735 INFO [stderr]    |
Nov 16 06:52:31.735 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 16 06:52:31.735 INFO [stderr]    |                      ----^^^^^^
Nov 16 06:52:31.735 INFO [stderr]    |                      |
Nov 16 06:52:31.735 INFO [stderr]    |                      help: remove this `mut`
Nov 16 06:52:31.735 INFO [stderr]    |
Nov 16 06:52:31.735 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 06:52:31.735 INFO [stderr] 
Nov 16 06:52:31.735 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:31.735 INFO [stderr]  --> src/server.rs:6:5
Nov 16 06:52:31.735 INFO [stderr]   |
Nov 16 06:52:31.735 INFO [stderr] 6 |     address: String,
Nov 16 06:52:31.735 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:31.735 INFO [stderr]   |
Nov 16 06:52:31.735 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:52:31.735 INFO [stderr] 
Nov 16 06:52:31.735 INFO [stderr] warning: field is never used: `messages`
Nov 16 06:52:31.735 INFO [stderr]  --> src/server.rs:9:5
Nov 16 06:52:31.735 INFO [stderr]   |
Nov 16 06:52:31.735 INFO [stderr] 9 |     messages: Vec<String>
Nov 16 06:52:31.735 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.735 INFO [stderr] 
Nov 16 06:52:31.735 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:31.735 INFO [stderr]  --> src/client.rs:7:5
Nov 16 06:52:31.735 INFO [stderr]   |
Nov 16 06:52:31.735 INFO [stderr] 7 |     address: String,
Nov 16 06:52:31.735 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:31.735 INFO [stderr] 
Nov 16 06:52:31.743 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:31.743 INFO [stderr]   --> src/server.rs:39:9
Nov 16 06:52:31.743 INFO [stderr]    |
Nov 16 06:52:31.743 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 16 06:52:31.743 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.743 INFO [stderr]    |
Nov 16 06:52:31.743 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:52:31.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:31.743 INFO [stderr] 
Nov 16 06:52:31.743 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:31.743 INFO [stderr]   --> src/client.rs:25:9
Nov 16 06:52:31.743 INFO [stderr]    |
Nov 16 06:52:31.743 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 16 06:52:31.743 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.743 INFO [stderr]    |
Nov 16 06:52:31.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:31.743 INFO [stderr] 
Nov 16 06:52:32.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Nov 16 06:52:32.009 INFO [stderr] su: No module specific data is present
Nov 16 06:52:33.357 INFO running `"docker" "inspect" "ed6de088b99c1f1c3d3719c705c2d7b286f077167a53031525cbbfede6879d9b"`
Nov 16 06:52:33.711 INFO running `"docker" "rm" "-f" "ed6de088b99c1f1c3d3719c705c2d7b286f077167a53031525cbbfede6879d9b"`
Nov 16 06:52:34.083 INFO [stdout] ed6de088b99c1f1c3d3719c705c2d7b286f077167a53031525cbbfede6879d9b
Nov 16 06:52:34.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 06:52:34.524 INFO [stdout] 749f7bbedaa2d898e1939846bf546d43876e5fb07cad20fcfab5767b4ece9dfc
Nov 16 06:52:34.527 INFO running `"docker" "start" "-a" "749f7bbedaa2d898e1939846bf546d43876e5fb07cad20fcfab5767b4ece9dfc"`
Nov 16 06:52:37.054 INFO [stderr] usermod: no changes
Nov 16 06:52:37.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 16 06:52:37.139 INFO [stderr]      Running /target/debug/deps/rust_chat-caf93a5bd00d24ef
Nov 16 06:52:37.139 INFO [stdout] 
Nov 16 06:52:37.139 INFO [stdout] running 0 tests
Nov 16 06:52:37.139 INFO [stdout] 
Nov 16 06:52:37.139 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:52:37.139 INFO [stdout] 
Nov 16 06:52:37.139 INFO [stderr] su: No module specific data is present
Nov 16 06:52:38.479 INFO running `"docker" "inspect" "749f7bbedaa2d898e1939846bf546d43876e5fb07cad20fcfab5767b4ece9dfc"`
Nov 16 06:52:38.817 INFO running `"docker" "rm" "-f" "749f7bbedaa2d898e1939846bf546d43876e5fb07cad20fcfab5767b4ece9dfc"`
Nov 16 06:52:39.143 INFO [stdout] 749f7bbedaa2d898e1939846bf546d43876e5fb07cad20fcfab5767b4ece9dfc