Nov 27 20:27:43.094 INFO checking silago/tcp-rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:27:43.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 20:27:43.654 INFO [stdout] 4f1ebf975f01819e480b9be9a952b1aa93f3aa9bf97c1af3dd455a54ee878f92
Nov 27 20:27:43.656 INFO running `"docker" "start" "-a" "4f1ebf975f01819e480b9be9a952b1aa93f3aa9bf97c1af3dd455a54ee878f92"`
Nov 27 20:27:45.857 INFO [stderr] usermod: no changes
Nov 27 20:27:45.941 INFO [stderr]     Checking tcp-socker-example v0.1.0 (/source)
Nov 27 20:27:46.394 INFO [stderr] warning: unused import: `std::thread`
Nov 27 20:27:46.395 INFO [stderr]  --> main.rs:2:5
Nov 27 20:27:46.395 INFO [stderr]   |
Nov 27 20:27:46.396 INFO [stderr] 2 | use std::thread;
Nov 27 20:27:46.396 INFO [stderr]   |     ^^^^^^^^^^^
Nov 27 20:27:46.396 INFO [stderr]   |
Nov 27 20:27:46.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:27:46.397 INFO [stderr] 
Nov 27 20:27:46.397 INFO [stderr] warning: unused import: `std::io::Result`
Nov 27 20:27:46.397 INFO [stderr]  --> main.rs:4:5
Nov 27 20:27:46.398 INFO [stderr]   |
Nov 27 20:27:46.398 INFO [stderr] 4 | use std::io::Result;
Nov 27 20:27:46.398 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 27 20:27:46.399 INFO [stderr] 
Nov 27 20:27:46.399 INFO [stderr] warning: unused import: `std::str`
Nov 27 20:27:46.399 INFO [stderr]  --> main.rs:5:5
Nov 27 20:27:46.399 INFO [stderr]   |
Nov 27 20:27:46.400 INFO [stderr] 5 | use std::str;
Nov 27 20:27:46.400 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:27:46.400 INFO [stderr] 
Nov 27 20:27:46.400 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Nov 27 20:27:46.401 INFO [stderr]   --> main.rs:60:26
Nov 27 20:27:46.401 INFO [stderr]    |
Nov 27 20:27:46.401 INFO [stderr] 60 |                     match(x) {
Nov 27 20:27:46.402 INFO [stderr]    |                          ^^^ help: remove these parentheses
Nov 27 20:27:46.402 INFO [stderr]    |
Nov 27 20:27:46.402 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 20:27:46.403 INFO [stderr] 
Nov 27 20:27:46.403 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Nov 27 20:27:46.403 INFO [stderr]   --> main.rs:69:26
Nov 27 20:27:46.404 INFO [stderr]    |
Nov 27 20:27:46.404 INFO [stderr] 69 |                     match(x) {
Nov 27 20:27:46.404 INFO [stderr]    |                          ^^^ help: remove these parentheses
Nov 27 20:27:46.405 INFO [stderr] 
Nov 27 20:27:46.405 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 27 20:27:46.405 INFO [stderr]   --> main.rs:73:32
Nov 27 20:27:46.405 INFO [stderr]    |
Nov 27 20:27:46.406 INFO [stderr] 73 |                             if (val!=msg.len()) {
Nov 27 20:27:46.406 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 27 20:27:46.406 INFO [stderr] 
Nov 27 20:27:46.406 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 27 20:27:46.407 INFO [stderr]   --> main.rs:82:24
Nov 27 20:27:46.407 INFO [stderr]    |
Nov 27 20:27:46.407 INFO [stderr] 82 |                     if (terminate) {
Nov 27 20:27:46.408 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Nov 27 20:27:46.408 INFO [stderr] 
Nov 27 20:27:46.453 INFO [stderr] warning: unused import: `std::thread`
Nov 27 20:27:46.453 INFO [stderr]  --> main.rs:2:5
Nov 27 20:27:46.454 INFO [stderr]   |
Nov 27 20:27:46.454 INFO [stderr] 2 | use std::thread;
Nov 27 20:27:46.454 INFO [stderr]   |     ^^^^^^^^^^^
Nov 27 20:27:46.454 INFO [stderr]   |
Nov 27 20:27:46.454 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unused import: `std::io::Result`
Nov 27 20:27:46.454 INFO [stderr]  --> main.rs:4:5
Nov 27 20:27:46.454 INFO [stderr]   |
Nov 27 20:27:46.454 INFO [stderr] 4 | use std::io::Result;
Nov 27 20:27:46.454 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unused import: `std::str`
Nov 27 20:27:46.454 INFO [stderr]  --> main.rs:5:5
Nov 27 20:27:46.454 INFO [stderr]   |
Nov 27 20:27:46.454 INFO [stderr] 5 | use std::str;
Nov 27 20:27:46.454 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Nov 27 20:27:46.454 INFO [stderr]   --> main.rs:60:26
Nov 27 20:27:46.454 INFO [stderr]    |
Nov 27 20:27:46.454 INFO [stderr] 60 |                     match(x) {
Nov 27 20:27:46.454 INFO [stderr]    |                          ^^^ help: remove these parentheses
Nov 27 20:27:46.454 INFO [stderr]    |
Nov 27 20:27:46.454 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Nov 27 20:27:46.454 INFO [stderr]   --> main.rs:69:26
Nov 27 20:27:46.454 INFO [stderr]    |
Nov 27 20:27:46.454 INFO [stderr] 69 |                     match(x) {
Nov 27 20:27:46.454 INFO [stderr]    |                          ^^^ help: remove these parentheses
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 27 20:27:46.454 INFO [stderr]   --> main.rs:73:32
Nov 27 20:27:46.454 INFO [stderr]    |
Nov 27 20:27:46.454 INFO [stderr] 73 |                             if (val!=msg.len()) {
Nov 27 20:27:46.454 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.454 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 27 20:27:46.454 INFO [stderr]   --> main.rs:82:24
Nov 27 20:27:46.454 INFO [stderr]    |
Nov 27 20:27:46.454 INFO [stderr] 82 |                     if (terminate) {
Nov 27 20:27:46.454 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Nov 27 20:27:46.454 INFO [stderr] 
Nov 27 20:27:46.552 INFO [stderr] warning: unused variable: `connections`
Nov 27 20:27:46.552 INFO [stderr]   --> main.rs:36:13
Nov 27 20:27:46.552 INFO [stderr]    |
Nov 27 20:27:46.552 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Nov 27 20:27:46.552 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Nov 27 20:27:46.552 INFO [stderr]    |
Nov 27 20:27:46.552 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 20:27:46.552 INFO [stderr] 
Nov 27 20:27:46.552 INFO [stderr] warning: unused variable: `addr`
Nov 27 20:27:46.552 INFO [stderr]   --> main.rs:42:25
Nov 27 20:27:46.552 INFO [stderr]    |
Nov 27 20:27:46.552 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Nov 27 20:27:46.552 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Nov 27 20:27:46.552 INFO [stderr] 
Nov 27 20:27:46.552 INFO [stderr] warning: unused variable: `chan`
Nov 27 20:27:46.552 INFO [stderr]   --> main.rs:46:21
Nov 27 20:27:46.552 INFO [stderr]    |
Nov 27 20:27:46.552 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Nov 27 20:27:46.552 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Nov 27 20:27:46.552 INFO [stderr] 
Nov 27 20:27:46.552 INFO [stderr] warning: unused variable: `val`
Nov 27 20:27:46.553 INFO [stderr]   --> main.rs:61:30
Nov 27 20:27:46.553 INFO [stderr]    |
Nov 27 20:27:46.553 INFO [stderr] 61 |                         Some(val) => {
Nov 27 20:27:46.553 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Nov 27 20:27:46.553 INFO [stderr] 
Nov 27 20:27:46.584 INFO [stderr] warning: unused variable: `connections`
Nov 27 20:27:46.584 INFO [stderr]   --> main.rs:36:13
Nov 27 20:27:46.584 INFO [stderr]    |
Nov 27 20:27:46.584 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Nov 27 20:27:46.584 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Nov 27 20:27:46.584 INFO [stderr]    |
Nov 27 20:27:46.584 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 20:27:46.584 INFO [stderr] 
Nov 27 20:27:46.584 INFO [stderr] warning: unused variable: `addr`
Nov 27 20:27:46.584 INFO [stderr]   --> main.rs:42:25
Nov 27 20:27:46.584 INFO [stderr]    |
Nov 27 20:27:46.584 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Nov 27 20:27:46.584 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Nov 27 20:27:46.584 INFO [stderr] 
Nov 27 20:27:46.584 INFO [stderr] warning: unused variable: `chan`
Nov 27 20:27:46.584 INFO [stderr]   --> main.rs:46:21
Nov 27 20:27:46.584 INFO [stderr]    |
Nov 27 20:27:46.584 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Nov 27 20:27:46.584 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Nov 27 20:27:46.584 INFO [stderr] 
Nov 27 20:27:46.584 INFO [stderr] warning: unused variable: `val`
Nov 27 20:27:46.585 INFO [stderr]   --> main.rs:61:30
Nov 27 20:27:46.585 INFO [stderr]    |
Nov 27 20:27:46.585 INFO [stderr] 61 |                         Some(val) => {
Nov 27 20:27:46.585 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Nov 27 20:27:46.585 INFO [stderr] 
Nov 27 20:27:46.608 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:27:46.608 INFO [stderr]   --> main.rs:36:9
Nov 27 20:27:46.608 INFO [stderr]    |
Nov 27 20:27:46.608 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Nov 27 20:27:46.608 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 27 20:27:46.608 INFO [stderr]    |         |
Nov 27 20:27:46.609 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:42:17
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Nov 27 20:27:46.609 INFO [stderr]    |                 ----^
Nov 27 20:27:46.609 INFO [stderr]    |                 |
Nov 27 20:27:46.609 INFO [stderr]    |                 help: remove this `mut`
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: field is never used: `tx`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:20:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 20 |     tx: Sender<String>,
Nov 27 20:27:46.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: field is never used: `rx`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:21:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 21 |     rx: Receiver<String>
Nov 27 20:27:46.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:25:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Nov 27 20:27:46.609 INFO [stderr] 26 | |         let (tx, rx) = input;
Nov 27 20:27:46.609 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Nov 27 20:27:46.609 INFO [stderr] 28 | |     }
Nov 27 20:27:46.609 INFO [stderr]    | |_____^
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:36:9
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Nov 27 20:27:46.609 INFO [stderr]    |         ----^^^^^^^^^^^
Nov 27 20:27:46.609 INFO [stderr]    |         |
Nov 27 20:27:46.609 INFO [stderr]    |         help: remove this `mut`
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:42:17
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Nov 27 20:27:46.609 INFO [stderr]    |                 ----^
Nov 27 20:27:46.609 INFO [stderr]    |                 |
Nov 27 20:27:46.609 INFO [stderr]    |                 help: remove this `mut`
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: field is never used: `tx`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:20:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 20 |     tx: Sender<String>,
Nov 27 20:27:46.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: field is never used: `rx`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:21:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 21 |     rx: Receiver<String>
Nov 27 20:27:46.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.609 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Nov 27 20:27:46.609 INFO [stderr]   --> main.rs:25:5
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Nov 27 20:27:46.609 INFO [stderr] 26 | |         let (tx, rx) = input;
Nov 27 20:27:46.609 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Nov 27 20:27:46.609 INFO [stderr] 28 | |     }
Nov 27 20:27:46.609 INFO [stderr]    | |_____^
Nov 27 20:27:46.609 INFO [stderr]    |
Nov 27 20:27:46.609 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 27 20:27:46.609 INFO [stderr] 
Nov 27 20:27:46.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 27 20:27:46.651 INFO [stderr] su: No module specific data is present
Nov 27 20:27:47.889 INFO running `"docker" "inspect" "4f1ebf975f01819e480b9be9a952b1aa93f3aa9bf97c1af3dd455a54ee878f92"`
Nov 27 20:27:48.328 INFO running `"docker" "rm" "-f" "4f1ebf975f01819e480b9be9a952b1aa93f3aa9bf97c1af3dd455a54ee878f92"`
Nov 27 20:27:48.628 INFO [stdout] 4f1ebf975f01819e480b9be9a952b1aa93f3aa9bf97c1af3dd455a54ee878f92