Dec 17 15:26:48.529 INFO checking silago/tcp-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:26:48.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/silago/tcp-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:26:48.950 INFO [stdout] 3f76afb945ff1b4a201fea03b56af1246063460a97e6eab847103124e93edb2f
Dec 17 15:26:48.952 INFO running `"docker" "start" "-a" "3f76afb945ff1b4a201fea03b56af1246063460a97e6eab847103124e93edb2f"`
Dec 17 15:26:50.290 INFO [stderr]     Checking tcp-socker-example v0.1.0 (/opt/crater/workdir)
Dec 17 15:26:50.440 INFO [stderr] warning: unused import: `std::thread`
Dec 17 15:26:50.440 INFO [stderr]  --> main.rs:2:5
Dec 17 15:26:50.440 INFO [stderr]   |
Dec 17 15:26:50.440 INFO [stderr] 2 | use std::thread;
Dec 17 15:26:50.440 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 15:26:50.440 INFO [stderr]   |
Dec 17 15:26:50.440 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:26:50.440 INFO [stderr] 
Dec 17 15:26:50.440 INFO [stderr] warning: unused import: `std::io::Result`
Dec 17 15:26:50.440 INFO [stderr]  --> main.rs:4:5
Dec 17 15:26:50.441 INFO [stderr]   |
Dec 17 15:26:50.441 INFO [stderr] 4 | use std::io::Result;
Dec 17 15:26:50.441 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.441 INFO [stderr] warning: unused import: `std::str`
Dec 17 15:26:50.441 INFO [stderr]  --> main.rs:5:5
Dec 17 15:26:50.441 INFO [stderr]   |
Dec 17 15:26:50.441 INFO [stderr] 5 | use std::str;
Dec 17 15:26:50.441 INFO [stderr]   |     ^^^^^^^^
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.441 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 17 15:26:50.441 INFO [stderr]   --> main.rs:60:26
Dec 17 15:26:50.441 INFO [stderr]    |
Dec 17 15:26:50.441 INFO [stderr] 60 |                     match(x) {
Dec 17 15:26:50.441 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 17 15:26:50.441 INFO [stderr]    |
Dec 17 15:26:50.441 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.441 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 17 15:26:50.441 INFO [stderr]   --> main.rs:69:26
Dec 17 15:26:50.441 INFO [stderr]    |
Dec 17 15:26:50.441 INFO [stderr] 69 |                     match(x) {
Dec 17 15:26:50.441 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.441 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 15:26:50.441 INFO [stderr]   --> main.rs:73:32
Dec 17 15:26:50.441 INFO [stderr]    |
Dec 17 15:26:50.441 INFO [stderr] 73 |                             if (val!=msg.len()) {
Dec 17 15:26:50.441 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.441 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 15:26:50.441 INFO [stderr]   --> main.rs:82:24
Dec 17 15:26:50.441 INFO [stderr]    |
Dec 17 15:26:50.441 INFO [stderr] 82 |                     if (terminate) {
Dec 17 15:26:50.441 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Dec 17 15:26:50.441 INFO [stderr] 
Dec 17 15:26:50.448 INFO [stderr] warning: unused import: `std::thread`
Dec 17 15:26:50.448 INFO [stderr]  --> main.rs:2:5
Dec 17 15:26:50.448 INFO [stderr]   |
Dec 17 15:26:50.448 INFO [stderr] 2 | use std::thread;
Dec 17 15:26:50.448 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 15:26:50.448 INFO [stderr]   |
Dec 17 15:26:50.448 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:26:50.448 INFO [stderr] 
Dec 17 15:26:50.448 INFO [stderr] warning: unused import: `std::io::Result`
Dec 17 15:26:50.448 INFO [stderr]  --> main.rs:4:5
Dec 17 15:26:50.448 INFO [stderr]   |
Dec 17 15:26:50.448 INFO [stderr] 4 | use std::io::Result;
Dec 17 15:26:50.448 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 15:26:50.448 INFO [stderr] 
Dec 17 15:26:50.448 INFO [stderr] warning: unused import: `std::str`
Dec 17 15:26:50.448 INFO [stderr]  --> main.rs:5:5
Dec 17 15:26:50.448 INFO [stderr]   |
Dec 17 15:26:50.448 INFO [stderr] 5 | use std::str;
Dec 17 15:26:50.448 INFO [stderr]   |     ^^^^^^^^
Dec 17 15:26:50.448 INFO [stderr] 
Dec 17 15:26:50.449 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 17 15:26:50.449 INFO [stderr]   --> main.rs:60:26
Dec 17 15:26:50.449 INFO [stderr]    |
Dec 17 15:26:50.449 INFO [stderr] 60 |                     match(x) {
Dec 17 15:26:50.449 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 17 15:26:50.449 INFO [stderr]    |
Dec 17 15:26:50.449 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 15:26:50.449 INFO [stderr] 
Dec 17 15:26:50.449 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 17 15:26:50.449 INFO [stderr]   --> main.rs:69:26
Dec 17 15:26:50.449 INFO [stderr]    |
Dec 17 15:26:50.449 INFO [stderr] 69 |                     match(x) {
Dec 17 15:26:50.449 INFO [stderr]    |                          ^^^ help: remove these parentheses
Dec 17 15:26:50.449 INFO [stderr] 
Dec 17 15:26:50.449 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 15:26:50.449 INFO [stderr]   --> main.rs:73:32
Dec 17 15:26:50.449 INFO [stderr]    |
Dec 17 15:26:50.449 INFO [stderr] 73 |                             if (val!=msg.len()) {
Dec 17 15:26:50.449 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 15:26:50.449 INFO [stderr] 
Dec 17 15:26:50.449 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 15:26:50.449 INFO [stderr]   --> main.rs:82:24
Dec 17 15:26:50.449 INFO [stderr]    |
Dec 17 15:26:50.449 INFO [stderr] 82 |                     if (terminate) {
Dec 17 15:26:50.449 INFO [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
Dec 17 15:26:50.449 INFO [stderr] 
Dec 17 15:26:50.476 INFO [stderr] warning: unused variable: `connections`
Dec 17 15:26:50.476 INFO [stderr]   --> main.rs:36:13
Dec 17 15:26:50.476 INFO [stderr]    |
Dec 17 15:26:50.476 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 17 15:26:50.476 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Dec 17 15:26:50.476 INFO [stderr]    |
Dec 17 15:26:50.476 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 15:26:50.476 INFO [stderr] 
Dec 17 15:26:50.476 INFO [stderr] warning: unused variable: `addr`
Dec 17 15:26:50.476 INFO [stderr]   --> main.rs:42:25
Dec 17 15:26:50.476 INFO [stderr]    |
Dec 17 15:26:50.476 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 17 15:26:50.476 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Dec 17 15:26:50.476 INFO [stderr] 
Dec 17 15:26:50.476 INFO [stderr] warning: unused variable: `chan`
Dec 17 15:26:50.476 INFO [stderr]   --> main.rs:46:21
Dec 17 15:26:50.476 INFO [stderr]    |
Dec 17 15:26:50.476 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Dec 17 15:26:50.476 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Dec 17 15:26:50.476 INFO [stderr] 
Dec 17 15:26:50.476 INFO [stderr] warning: unused variable: `val`
Dec 17 15:26:50.477 INFO [stderr]   --> main.rs:61:30
Dec 17 15:26:50.477 INFO [stderr]    |
Dec 17 15:26:50.477 INFO [stderr] 61 |                         Some(val) => {
Dec 17 15:26:50.477 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Dec 17 15:26:50.477 INFO [stderr] 
Dec 17 15:26:50.484 INFO [stderr] warning: unused variable: `connections`
Dec 17 15:26:50.485 INFO [stderr]   --> main.rs:36:13
Dec 17 15:26:50.485 INFO [stderr]    |
Dec 17 15:26:50.485 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 17 15:26:50.485 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
Dec 17 15:26:50.485 INFO [stderr]    |
Dec 17 15:26:50.485 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 15:26:50.485 INFO [stderr] 
Dec 17 15:26:50.485 INFO [stderr] warning: unused variable: `addr`
Dec 17 15:26:50.485 INFO [stderr]   --> main.rs:42:25
Dec 17 15:26:50.485 INFO [stderr]    |
Dec 17 15:26:50.485 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 17 15:26:50.485 INFO [stderr]    |                         ^^^^ help: consider using `_addr` instead
Dec 17 15:26:50.485 INFO [stderr] 
Dec 17 15:26:50.485 INFO [stderr] warning: unused variable: `chan`
Dec 17 15:26:50.485 INFO [stderr]   --> main.rs:46:21
Dec 17 15:26:50.485 INFO [stderr]    |
Dec 17 15:26:50.485 INFO [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
Dec 17 15:26:50.485 INFO [stderr]    |                     ^^^^ help: consider using `_chan` instead
Dec 17 15:26:50.485 INFO [stderr] 
Dec 17 15:26:50.485 INFO [stderr] warning: unused variable: `val`
Dec 17 15:26:50.485 INFO [stderr]   --> main.rs:61:30
Dec 17 15:26:50.485 INFO [stderr]    |
Dec 17 15:26:50.485 INFO [stderr] 61 |                         Some(val) => {
Dec 17 15:26:50.485 INFO [stderr]    |                              ^^^ help: consider using `_val` instead
Dec 17 15:26:50.485 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:36:9
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 17 15:26:50.500 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:26:50.500 INFO [stderr]    |         |
Dec 17 15:26:50.500 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:42:17
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 17 15:26:50.500 INFO [stderr]    |                 ----^
Dec 17 15:26:50.500 INFO [stderr]    |                 |
Dec 17 15:26:50.500 INFO [stderr]    |                 help: remove this `mut`
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: field is never used: `tx`
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:20:5
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 20 |     tx: Sender<String>,
Dec 17 15:26:50.500 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:36:9
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
Dec 17 15:26:50.500 INFO [stderr] warning: field is never used: `rx`
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:21:5
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 21 |     rx: Receiver<String>
Dec 17 15:26:50.500 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:26:50.500 INFO [stderr]    |         |
Dec 17 15:26:50.500 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:42:17
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 42 |             Ok((mut s , addr)) => {
Dec 17 15:26:50.500 INFO [stderr]    |                 ----^
Dec 17 15:26:50.500 INFO [stderr]    |                 |
Dec 17 15:26:50.500 INFO [stderr]    |                 help: remove this `mut`
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:25:5
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Dec 17 15:26:50.500 INFO [stderr] 26 | |         let (tx, rx) = input;
Dec 17 15:26:50.500 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Dec 17 15:26:50.500 INFO [stderr] 28 | |     }
Dec 17 15:26:50.500 INFO [stderr]    | |_____^
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.500 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:26:50.500 INFO [stderr] 
Dec 17 15:26:50.500 INFO [stderr] warning: field is never used: `tx`
Dec 17 15:26:50.500 INFO [stderr]   --> main.rs:20:5
Dec 17 15:26:50.500 INFO [stderr]    |
Dec 17 15:26:50.501 INFO [stderr] 20 |     tx: Sender<String>,
Dec 17 15:26:50.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 15:26:50.501 INFO [stderr]    |
Dec 17 15:26:50.501 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:26:50.501 INFO [stderr] 
Dec 17 15:26:50.501 INFO [stderr] warning: field is never used: `rx`
Dec 17 15:26:50.501 INFO [stderr]   --> main.rs:21:5
Dec 17 15:26:50.501 INFO [stderr]    |
Dec 17 15:26:50.501 INFO [stderr] 21 |     rx: Receiver<String>
Dec 17 15:26:50.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 15:26:50.501 INFO [stderr] 
Dec 17 15:26:50.501 INFO [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
Dec 17 15:26:50.501 INFO [stderr]   --> main.rs:25:5
Dec 17 15:26:50.501 INFO [stderr]    |
Dec 17 15:26:50.501 INFO [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
Dec 17 15:26:50.501 INFO [stderr] 26 | |         let (tx, rx) = input;
Dec 17 15:26:50.501 INFO [stderr] 27 | |         return Chan{tx: tx, rx:rx};
Dec 17 15:26:50.501 INFO [stderr] 28 | |     }
Dec 17 15:26:50.501 INFO [stderr]    | |_____^
Dec 17 15:26:50.501 INFO [stderr]    |
Dec 17 15:26:50.501 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:26:50.501 INFO [stderr] 
Dec 17 15:26:50.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 17 15:26:50.806 INFO running `"docker" "inspect" "3f76afb945ff1b4a201fea03b56af1246063460a97e6eab847103124e93edb2f"`
Dec 17 15:26:50.934 INFO running `"docker" "rm" "-f" "3f76afb945ff1b4a201fea03b56af1246063460a97e6eab847103124e93edb2f"`
Dec 17 15:26:51.056 INFO [stdout] 3f76afb945ff1b4a201fea03b56af1246063460a97e6eab847103124e93edb2f