Dec 18 01:31:17.431 INFO checking deg4uss3r/rust_whois against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:31:17.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/deg4uss3r/rust_whois:/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 18 01:31:18.238 INFO [stdout] 10e58d94f187114b4b7fac55297e8a99d7856dee3336eb4c0c36a2cf48314693
Dec 18 01:31:18.241 INFO running `"docker" "start" "-a" "10e58d94f187114b4b7fac55297e8a99d7856dee3336eb4c0c36a2cf48314693"`
Dec 18 01:31:19.064 INFO [stderr]     Checking whois v0.1.0 (/opt/crater/workdir)
Dec 18 01:31:19.199 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 18 01:31:19.199 INFO [stderr]  --> src/main.rs:1:27
Dec 18 01:31:19.199 INFO [stderr]   |
Dec 18 01:31:19.199 INFO [stderr] 1 | use std::net::{TcpStream, ToSocketAddrs};
Dec 18 01:31:19.199 INFO [stderr]   |                           ^^^^^^^^^^^^^
Dec 18 01:31:19.199 INFO [stderr]   |
Dec 18 01:31:19.199 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:31:19.199 INFO [stderr] 
Dec 18 01:31:19.218 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 18 01:31:19.218 INFO [stderr]  --> src/main.rs:1:27
Dec 18 01:31:19.218 INFO [stderr]   |
Dec 18 01:31:19.218 INFO [stderr] 1 | use std::net::{TcpStream, ToSocketAddrs};
Dec 18 01:31:19.218 INFO [stderr]   |                           ^^^^^^^^^^^^^
Dec 18 01:31:19.218 INFO [stderr]   |
Dec 18 01:31:19.218 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:31:19.218 INFO [stderr] 
Dec 18 01:31:19.232 INFO [stderr] warning: unused variable: `test`
Dec 18 01:31:19.232 INFO [stderr]   --> src/main.rs:16:9
Dec 18 01:31:19.232 INFO [stderr]    |
Dec 18 01:31:19.232 INFO [stderr] 16 |     let test = stream.write(b);
Dec 18 01:31:19.232 INFO [stderr]    |         ^^^^ help: consider using `_test` instead
Dec 18 01:31:19.232 INFO [stderr]    |
Dec 18 01:31:19.232 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:31:19.232 INFO [stderr] 
Dec 18 01:31:19.232 INFO [stderr] warning: unused variable: `nr`
Dec 18 01:31:19.232 INFO [stderr]   --> src/main.rs:17:9
Dec 18 01:31:19.232 INFO [stderr]    |
Dec 18 01:31:19.232 INFO [stderr] 17 |     let nr = stream.write(new_return);
Dec 18 01:31:19.232 INFO [stderr]    |         ^^ help: consider using `_nr` instead
Dec 18 01:31:19.233 INFO [stderr] 
Dec 18 01:31:19.233 INFO [stderr] warning: unused variable: `test`
Dec 18 01:31:19.233 INFO [stderr]   --> src/main.rs:58:9
Dec 18 01:31:19.233 INFO [stderr]    |
Dec 18 01:31:19.233 INFO [stderr] 58 |     let test = stream.write(c);
Dec 18 01:31:19.233 INFO [stderr]    |         ^^^^ help: consider using `_test` instead
Dec 18 01:31:19.233 INFO [stderr] 
Dec 18 01:31:19.233 INFO [stderr] warning: unused variable: `nr`
Dec 18 01:31:19.233 INFO [stderr]   --> src/main.rs:59:9
Dec 18 01:31:19.233 INFO [stderr]    |
Dec 18 01:31:19.233 INFO [stderr] 59 |     let nr = stream.write(new_return);
Dec 18 01:31:19.233 INFO [stderr]    |         ^^ help: consider using `_nr` instead
Dec 18 01:31:19.233 INFO [stderr] 
Dec 18 01:31:19.240 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.240 INFO [stderr]   --> src/main.rs:10:9
Dec 18 01:31:19.240 INFO [stderr]    |
Dec 18 01:31:19.240 INFO [stderr] 10 |     let mut b: &[u8] = domain.as_bytes();
Dec 18 01:31:19.240 INFO [stderr]    |         ----^
Dec 18 01:31:19.240 INFO [stderr]    |         |
Dec 18 01:31:19.240 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.240 INFO [stderr]    |
Dec 18 01:31:19.240 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 01:31:19.240 INFO [stderr] 
Dec 18 01:31:19.244 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.244 INFO [stderr]   --> src/main.rs:52:9
Dec 18 01:31:19.244 INFO [stderr]    |
Dec 18 01:31:19.244 INFO [stderr] 52 |     let mut c: &[u8] = &domain.as_bytes();
Dec 18 01:31:19.244 INFO [stderr]    |         ----^
Dec 18 01:31:19.244 INFO [stderr]    |         |
Dec 18 01:31:19.244 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.244 INFO [stderr] 
Dec 18 01:31:19.244 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.244 INFO [stderr]   --> src/main.rs:53:9
Dec 18 01:31:19.244 INFO [stderr]    |
Dec 18 01:31:19.244 INFO [stderr] 53 |     let mut new_return: &[u8] = "\r\n".as_bytes();
Dec 18 01:31:19.244 INFO [stderr]    |         ----^^^^^^^^^^
Dec 18 01:31:19.244 INFO [stderr]    |         |
Dec 18 01:31:19.244 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.244 INFO [stderr] 
Dec 18 01:31:19.244 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.244 INFO [stderr]   --> src/main.rs:69:9
Dec 18 01:31:19.244 INFO [stderr]    |
Dec 18 01:31:19.244 INFO [stderr] 69 |     let mut argus: Vec<_> = args().collect();
Dec 18 01:31:19.244 INFO [stderr]    |         ----^^^^^
Dec 18 01:31:19.245 INFO [stderr]    |         |
Dec 18 01:31:19.245 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.245 INFO [stderr] 
Dec 18 01:31:19.258 INFO [stderr] warning: unused variable: `test`
Dec 18 01:31:19.258 INFO [stderr]   --> src/main.rs:16:9
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr] 16 |     let test = stream.write(b);
Dec 18 01:31:19.258 INFO [stderr]    |         ^^^^ help: consider using `_test` instead
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:31:19.258 INFO [stderr] 
Dec 18 01:31:19.258 INFO [stderr] warning: unused variable: `nr`
Dec 18 01:31:19.258 INFO [stderr]   --> src/main.rs:17:9
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr] 17 |     let nr = stream.write(new_return);
Dec 18 01:31:19.258 INFO [stderr]    |         ^^ help: consider using `_nr` instead
Dec 18 01:31:19.258 INFO [stderr] 
Dec 18 01:31:19.258 INFO [stderr] warning: unused variable: `test`
Dec 18 01:31:19.258 INFO [stderr]   --> src/main.rs:58:9
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr] 58 |     let test = stream.write(c);
Dec 18 01:31:19.258 INFO [stderr]    |         ^^^^ help: consider using `_test` instead
Dec 18 01:31:19.258 INFO [stderr] 
Dec 18 01:31:19.258 INFO [stderr] warning: unused variable: `nr`
Dec 18 01:31:19.258 INFO [stderr]   --> src/main.rs:59:9
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr] 59 |     let nr = stream.write(new_return);
Dec 18 01:31:19.258 INFO [stderr]    |         ^^ help: consider using `_nr` instead
Dec 18 01:31:19.258 INFO [stderr] 
Dec 18 01:31:19.258 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.258 INFO [stderr]   --> src/main.rs:10:9
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr] 10 |     let mut b: &[u8] = domain.as_bytes();
Dec 18 01:31:19.258 INFO [stderr]    |         ----^
Dec 18 01:31:19.258 INFO [stderr]    |         |
Dec 18 01:31:19.258 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.258 INFO [stderr]    |
Dec 18 01:31:19.258 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 01:31:19.258 INFO [stderr] 
Dec 18 01:31:19.261 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.261 INFO [stderr]   --> src/main.rs:52:9
Dec 18 01:31:19.261 INFO [stderr]    |
Dec 18 01:31:19.261 INFO [stderr] 52 |     let mut c: &[u8] = &domain.as_bytes();
Dec 18 01:31:19.261 INFO [stderr]    |         ----^
Dec 18 01:31:19.261 INFO [stderr]    |         |
Dec 18 01:31:19.261 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.261 INFO [stderr] 
Dec 18 01:31:19.261 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.261 INFO [stderr]   --> src/main.rs:53:9
Dec 18 01:31:19.261 INFO [stderr]    |
Dec 18 01:31:19.261 INFO [stderr] 53 |     let mut new_return: &[u8] = "\r\n".as_bytes();
Dec 18 01:31:19.261 INFO [stderr]    |         ----^^^^^^^^^^
Dec 18 01:31:19.261 INFO [stderr]    |         |
Dec 18 01:31:19.261 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.261 INFO [stderr] 
Dec 18 01:31:19.262 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:31:19.262 INFO [stderr]   --> src/main.rs:69:9
Dec 18 01:31:19.262 INFO [stderr]    |
Dec 18 01:31:19.262 INFO [stderr] 69 |     let mut argus: Vec<_> = args().collect();
Dec 18 01:31:19.262 INFO [stderr]    |         ----^^^^^
Dec 18 01:31:19.262 INFO [stderr]    |         |
Dec 18 01:31:19.262 INFO [stderr]    |         help: remove this `mut`
Dec 18 01:31:19.262 INFO [stderr] 
Dec 18 01:31:19.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Dec 18 01:31:22.016 INFO running `"docker" "inspect" "10e58d94f187114b4b7fac55297e8a99d7856dee3336eb4c0c36a2cf48314693"`
Dec 18 01:31:22.127 INFO running `"docker" "rm" "-f" "10e58d94f187114b4b7fac55297e8a99d7856dee3336eb4c0c36a2cf48314693"`
Dec 18 01:31:22.256 INFO [stdout] 10e58d94f187114b4b7fac55297e8a99d7856dee3336eb4c0c36a2cf48314693