Dec 04 10:11:38.885 INFO checking silago/tcp-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:11:38.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 10:11:39.410 INFO [stdout] b565bb3b22c2b2231c0692655b4a1e33cb4479a3a98e91bfc4b52ed6f2b9157d
Dec 04 10:11:39.412 INFO running `"docker" "start" "-a" "b565bb3b22c2b2231c0692655b4a1e33cb4479a3a98e91bfc4b52ed6f2b9157d"`
Dec 04 10:11:41.563 INFO [stderr] usermod: no changes
Dec 04 10:11:41.619 INFO [stderr]     Checking tcp-socker-example v0.1.0 (/source)
Dec 04 10:11:41.883 INFO [stderr] warning: unused import: `std::thread`
Dec 04 10:11:41.883 INFO [stderr]  --> main.rs:2:5
Dec 04 10:11:41.883 INFO [stderr]   |
Dec 04 10:11:41.883 INFO [stderr] 2 | use std::thread;
Dec 04 10:11:41.883 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 10:11:41.883 INFO [stderr]   |
Dec 04 10:11:41.883 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unused import: `std::io::Result`
Dec 04 10:11:41.883 INFO [stderr]  --> main.rs:4:5
Dec 04 10:11:41.883 INFO [stderr]   |
Dec 04 10:11:41.883 INFO [stderr] 4 | use std::io::Result;
Dec 04 10:11:41.883 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unused import: `std::str`
Dec 04 10:11:41.883 INFO [stderr]  --> main.rs:5:5
Dec 04 10:11:41.883 INFO [stderr]   |
Dec 04 10:11:41.883 INFO [stderr] 5 | use std::str;
Dec 04 10:11:41.883 INFO [stderr]   |     ^^^^^^^^
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 04 10:11:41.883 INFO [stderr]   --> main.rs:60:26
Dec 04 10:11:41.883 INFO [stderr]    |
Dec 04 10:11:41.883 INFO [stderr] 60 |                     match(x) {
Dec 04 10:11:41.883 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 04 10:11:41.883 INFO [stderr]    |
Dec 04 10:11:41.883 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 04 10:11:41.883 INFO [stderr]   --> main.rs:69:26
Dec 04 10:11:41.883 INFO [stderr]    |
Dec 04 10:11:41.883 INFO [stderr] 69 |                     match(x) {
Dec 04 10:11:41.883 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 10:11:41.883 INFO [stderr]   --> main.rs:73:32
Dec 04 10:11:41.883 INFO [stderr]    |
Dec 04 10:11:41.883 INFO [stderr] 73 |                             if (val!=msg.len()) {
Dec 04 10:11:41.883 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.883 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 10:11:41.883 INFO [stderr]   --> main.rs:82:24
Dec 04 10:11:41.883 INFO [stderr]    |
Dec 04 10:11:41.883 INFO [stderr] 82 |                     if (terminate) {
Dec 04 10:11:41.883 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Dec 04 10:11:41.883 INFO [stderr] 
Dec 04 10:11:41.944 INFO [stderr] warning: unused variable: `connections`
Dec 04 10:11:41.944 INFO [stderr]   --> main.rs:36:13
Dec 04 10:11:41.944 INFO [stderr]    |
Dec 04 10:11:41.944 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 04 10:11:41.945 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Dec 04 10:11:41.945 INFO [stderr]    |
Dec 04 10:11:41.945 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:11:41.945 INFO [stderr] 
Dec 04 10:11:41.945 INFO [stderr] warning: unused variable: `addr`
Dec 04 10:11:41.945 INFO [stderr]   --> main.rs:42:25
Dec 04 10:11:41.945 INFO [stderr]    |
Dec 04 10:11:41.945 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 04 10:11:41.945 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Dec 04 10:11:41.945 INFO [stderr] 
Dec 04 10:11:41.945 INFO [stderr] warning: unused variable: `chan`
Dec 04 10:11:41.945 INFO [stderr]   --> main.rs:46:21
Dec 04 10:11:41.945 INFO [stderr]    |
Dec 04 10:11:41.945 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Dec 04 10:11:41.945 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Dec 04 10:11:41.945 INFO [stderr] 
Dec 04 10:11:41.945 INFO [stderr] warning: unused variable: `val`
Dec 04 10:11:41.945 INFO [stderr]   --> main.rs:61:30
Dec 04 10:11:41.945 INFO [stderr]    |
Dec 04 10:11:41.945 INFO [stderr] 61 |                         Some(val) => {
Dec 04 10:11:41.945 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Dec 04 10:11:41.945 INFO [stderr] 
Dec 04 10:11:41.951 INFO [stderr] warning: unused import: `std::thread`
Dec 04 10:11:41.951 INFO [stderr]  --> main.rs:2:5
Dec 04 10:11:41.951 INFO [stderr]   |
Dec 04 10:11:41.951 INFO [stderr] 2 | use std::thread;
Dec 04 10:11:41.951 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 10:11:41.951 INFO [stderr]   |
Dec 04 10:11:41.951 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:11:41.951 INFO [stderr] 
Dec 04 10:11:41.951 INFO [stderr] warning: unused import: `std::io::Result`
Dec 04 10:11:41.951 INFO [stderr]  --> main.rs:4:5
Dec 04 10:11:41.951 INFO [stderr]   |
Dec 04 10:11:41.951 INFO [stderr] 4 | use std::io::Result;
Dec 04 10:11:41.951 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 10:11:41.951 INFO [stderr] 
Dec 04 10:11:41.951 INFO [stderr] warning: unused import: `std::str`
Dec 04 10:11:41.951 INFO [stderr]  --> main.rs:5:5
Dec 04 10:11:41.951 INFO [stderr]   |
Dec 04 10:11:41.951 INFO [stderr] 5 | use std::str;
Dec 04 10:11:41.951 INFO [stderr]   |     ^^^^^^^^
Dec 04 10:11:41.951 INFO [stderr] 
Dec 04 10:11:41.951 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 04 10:11:41.951 INFO [stderr]   --> main.rs:60:26
Dec 04 10:11:41.951 INFO [stderr]    |
Dec 04 10:11:41.951 INFO [stderr] 60 |                     match(x) {
Dec 04 10:11:41.951 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 04 10:11:41.951 INFO [stderr]    |
Dec 04 10:11:41.951 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 10:11:41.951 INFO [stderr] 
Dec 04 10:11:41.951 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 04 10:11:41.951 INFO [stderr]   --> main.rs:69:26
Dec 04 10:11:41.951 INFO [stderr]    |
Dec 04 10:11:41.951 INFO [stderr] 69 |                     match(x) {
Dec 04 10:11:41.951 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 04 10:11:41.952 INFO [stderr] 
Dec 04 10:11:41.952 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 10:11:41.952 INFO [stderr]   --> main.rs:73:32
Dec 04 10:11:41.952 INFO [stderr]    |
Dec 04 10:11:41.952 INFO [stderr] 73 |                             if (val!=msg.len()) {
Dec 04 10:11:41.952 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 10:11:41.952 INFO [stderr] 
Dec 04 10:11:41.952 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 10:11:41.955 INFO [stderr]   --> main.rs:82:24
Dec 04 10:11:41.955 INFO [stderr]    |
Dec 04 10:11:41.955 INFO [stderr] 82 |                     if (terminate) {
Dec 04 10:11:41.955 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Dec 04 10:11:41.955 INFO [stderr] 
Dec 04 10:11:41.964 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:11:41.964 INFO [stderr]   --> main.rs:36:9
Dec 04 10:11:41.964 INFO [stderr]    |
Dec 04 10:11:41.964 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 04 10:11:41.964 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 04 10:11:41.964 INFO [stderr]    |         |
Dec 04 10:11:41.964 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:11:41.964 INFO [stderr]    |
Dec 04 10:11:41.964 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:11:41.964 INFO [stderr] 
Dec 04 10:11:41.965 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:11:41.965 INFO [stderr]   --> main.rs:42:17
Dec 04 10:11:41.965 INFO [stderr]    |
Dec 04 10:11:41.965 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 04 10:11:41.965 INFO [stderr]    |                 ----^
Dec 04 10:11:41.965 INFO [stderr]    |                 |
Dec 04 10:11:41.965 INFO [stderr]    |                 help: remove this `mut`
Dec 04 10:11:41.965 INFO [stderr] 
Dec 04 10:11:41.966 INFO [stderr] warning: field is never used: `tx`
Dec 04 10:11:41.966 INFO [stderr]   --> main.rs:20:5
Dec 04 10:11:41.966 INFO [stderr]    |
Dec 04 10:11:41.966 INFO [stderr] 20 |     tx: Sender<String>,
Dec 04 10:11:41.966 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 10:11:41.966 INFO [stderr]    |
Dec 04 10:11:41.966 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:11:41.966 INFO [stderr] 
Dec 04 10:11:41.966 INFO [stderr] warning: field is never used: `rx`
Dec 04 10:11:41.966 INFO [stderr]   --> main.rs:21:5
Dec 04 10:11:41.966 INFO [stderr]    |
Dec 04 10:11:41.966 INFO [stderr] 21 |     rx: Receiver<String>
Dec 04 10:11:41.966 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 10:11:41.967 INFO [stderr] 
Dec 04 10:11:41.967 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Dec 04 10:11:41.967 INFO [stderr]   --> main.rs:25:5
Dec 04 10:11:41.967 INFO [stderr]    |
Dec 04 10:11:41.967 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Dec 04 10:11:41.967 INFO [stderr] 26 | |         let (tx, rx) = input;
Dec 04 10:11:41.968 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Dec 04 10:11:41.968 INFO [stderr] 28 | |     }
Dec 04 10:11:41.968 INFO [stderr]    | |_____^
Dec 04 10:11:41.968 INFO [stderr]    |
Dec 04 10:11:41.968 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 10:11:41.968 INFO [stderr] 
Dec 04 10:11:42.063 INFO [stderr] warning: unused variable: `connections`
Dec 04 10:11:42.063 INFO [stderr]   --> main.rs:36:13
Dec 04 10:11:42.063 INFO [stderr]    |
Dec 04 10:11:42.063 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 04 10:11:42.063 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Dec 04 10:11:42.063 INFO [stderr]    |
Dec 04 10:11:42.063 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:11:42.063 INFO [stderr] 
Dec 04 10:11:42.063 INFO [stderr] warning: unused variable: `addr`
Dec 04 10:11:42.063 INFO [stderr]   --> main.rs:42:25
Dec 04 10:11:42.063 INFO [stderr]    |
Dec 04 10:11:42.063 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 04 10:11:42.063 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Dec 04 10:11:42.063 INFO [stderr] 
Dec 04 10:11:42.063 INFO [stderr] warning: unused variable: `chan`
Dec 04 10:11:42.063 INFO [stderr]   --> main.rs:46:21
Dec 04 10:11:42.063 INFO [stderr]    |
Dec 04 10:11:42.063 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Dec 04 10:11:42.063 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Dec 04 10:11:42.063 INFO [stderr] 
Dec 04 10:11:42.063 INFO [stderr] warning: unused variable: `val`
Dec 04 10:11:42.063 INFO [stderr]   --> main.rs:61:30
Dec 04 10:11:42.063 INFO [stderr]    |
Dec 04 10:11:42.063 INFO [stderr] 61 |                         Some(val) => {
Dec 04 10:11:42.063 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Dec 04 10:11:42.063 INFO [stderr] 
Dec 04 10:11:42.080 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:11:42.080 INFO [stderr]   --> main.rs:36:9
Dec 04 10:11:42.080 INFO [stderr]    |
Dec 04 10:11:42.080 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 04 10:11:42.080 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 04 10:11:42.081 INFO [stderr]    |         |
Dec 04 10:11:42.081 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:11:42.081 INFO [stderr] 
Dec 04 10:11:42.081 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:11:42.081 INFO [stderr]   --> main.rs:42:17
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 04 10:11:42.081 INFO [stderr]    |                 ----^
Dec 04 10:11:42.081 INFO [stderr]    |                 |
Dec 04 10:11:42.081 INFO [stderr]    |                 help: remove this `mut`
Dec 04 10:11:42.081 INFO [stderr] 
Dec 04 10:11:42.081 INFO [stderr] warning: field is never used: `tx`
Dec 04 10:11:42.081 INFO [stderr]   --> main.rs:20:5
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr] 20 |     tx: Sender<String>,
Dec 04 10:11:42.081 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:11:42.081 INFO [stderr] 
Dec 04 10:11:42.081 INFO [stderr] warning: field is never used: `rx`
Dec 04 10:11:42.081 INFO [stderr]   --> main.rs:21:5
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr] 21 |     rx: Receiver<String>
Dec 04 10:11:42.081 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 10:11:42.081 INFO [stderr] 
Dec 04 10:11:42.081 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Dec 04 10:11:42.081 INFO [stderr]   --> main.rs:25:5
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Dec 04 10:11:42.081 INFO [stderr] 26 | |         let (tx, rx) = input;
Dec 04 10:11:42.081 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Dec 04 10:11:42.081 INFO [stderr] 28 | |     }
Dec 04 10:11:42.081 INFO [stderr]    | |_____^
Dec 04 10:11:42.081 INFO [stderr]    |
Dec 04 10:11:42.081 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 10:11:42.081 INFO [stderr] 
Dec 04 10:11:42.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 04 10:11:42.117 INFO [stderr] su: No module specific data is present
Dec 04 10:11:43.271 INFO running `"docker" "inspect" "b565bb3b22c2b2231c0692655b4a1e33cb4479a3a98e91bfc4b52ed6f2b9157d"`
Dec 04 10:11:43.523 INFO running `"docker" "rm" "-f" "b565bb3b22c2b2231c0692655b4a1e33cb4479a3a98e91bfc4b52ed6f2b9157d"`
Dec 04 10:11:43.744 INFO [stdout] b565bb3b22c2b2231c0692655b4a1e33cb4479a3a98e91bfc4b52ed6f2b9157d