Dec 12 11:00:56.785 INFO checking net-utils-0.0.5 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:00:56.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 11:00:57.227 INFO [stdout] 9eb063ff43e962e324077ca0c22b332d9a8f9e3c80d21b09cc1f280ee71ca9fe
Dec 12 11:00:57.232 INFO running `"docker" "start" "-a" "9eb063ff43e962e324077ca0c22b332d9a8f9e3c80d21b09cc1f280ee71ca9fe"`
Dec 12 11:00:58.087 INFO [stderr] usermod: no changes
Dec 12 11:00:58.228 INFO [stderr]     Checking net-utils v0.0.5 (/source)
Dec 12 11:00:59.740 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 12 11:00:59.740 INFO [stderr]  --> src/net/config.rs:6:5
Dec 12 11:00:59.740 INFO [stderr]   |
Dec 12 11:00:59.740 INFO [stderr] 6 | use std::time::Duration;
Dec 12 11:00:59.740 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 11:00:59.740 INFO [stderr]   |
Dec 12 11:00:59.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:00:59.740 INFO [stderr] 
Dec 12 11:00:59.740 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 12 11:00:59.740 INFO [stderr]   --> src/net/conn.rs:24:5
Dec 12 11:00:59.740 INFO [stderr]    |
Dec 12 11:00:59.740 INFO [stderr] 24 | use std::str::FromStr;
Dec 12 11:00:59.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 12 11:00:59.740 INFO [stderr] 
Dec 12 11:00:59.889 INFO [stderr] warning: unreachable statement
Dec 12 11:00:59.889 INFO [stderr]    --> src/net/conn.rs:137:9
Dec 12 11:00:59.889 INFO [stderr]     |
Dec 12 11:00:59.889 INFO [stderr] 137 |         let err_str = format!("Failed to parse {}:{}. ", host, port);
Dec 12 11:00:59.889 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:00:59.889 INFO [stderr]     |
Dec 12 11:00:59.889 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 12 11:00:59.889 INFO [stderr] 
Dec 12 11:00:59.948 INFO [stderr] warning: unused variable: `server`
Dec 12 11:00:59.948 INFO [stderr]    --> src/net/conn.rs:120:13
Dec 12 11:00:59.948 INFO [stderr]     |
Dec 12 11:00:59.948 INFO [stderr] 120 |         let server = match (host, port).to_socket_addrs() {
Dec 12 11:00:59.948 INFO [stderr]     |             ^^^^^^ help: consider using `_server` instead
Dec 12 11:00:59.948 INFO [stderr]     |
Dec 12 11:00:59.948 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 11:00:59.948 INFO [stderr] 
Dec 12 11:01:00.037 INFO [stderr] warning: variable does not need to be mutable
Dec 12 11:01:00.037 INFO [stderr]    --> src/net/conn.rs:149:13
Dec 12 11:01:00.037 INFO [stderr]     |
Dec 12 11:01:00.037 INFO [stderr] 149 |         let mut stream_socket;
Dec 12 11:01:00.037 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 12 11:01:00.037 INFO [stderr]     |             |
Dec 12 11:01:00.037 INFO [stderr]     |             help: remove this `mut`
Dec 12 11:01:00.037 INFO [stderr]     |
Dec 12 11:01:00.038 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 11:01:00.038 INFO [stderr] 
Dec 12 11:01:00.061 INFO [stderr] warning: method is never used: `from_file`
Dec 12 11:01:00.061 INFO [stderr]   --> src/net/config.rs:58:5
Dec 12 11:01:00.061 INFO [stderr]    |
Dec 12 11:01:00.061 INFO [stderr] 58 |     fn from_file(file: &str) -> Config {
Dec 12 11:01:00.062 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.062 INFO [stderr]    |
Dec 12 11:01:00.062 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:01:00.062 INFO [stderr] 
Dec 12 11:01:00.065 INFO [stderr] warning: missing documentation for a method
Dec 12 11:01:00.065 INFO [stderr]   --> src/net/conn.rs:64:5
Dec 12 11:01:00.065 INFO [stderr]    |
Dec 12 11:01:00.065 INFO [stderr] 64 |     pub fn get_peer_address(&self) -> &String {
Dec 12 11:01:00.065 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.065 INFO [stderr]    |
Dec 12 11:01:00.065 INFO [stderr] note: lint level defined here
Dec 12 11:01:00.066 INFO [stderr]   --> src/lib.rs:15:9
Dec 12 11:01:00.066 INFO [stderr]    |
Dec 12 11:01:00.066 INFO [stderr] 15 | #![warn(missing_docs)]
Dec 12 11:01:00.066 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 12 11:01:00.066 INFO [stderr] 
Dec 12 11:01:00.068 INFO [stderr] warning: missing documentation for a method
Dec 12 11:01:00.068 INFO [stderr]   --> src/net/conn.rs:67:5
Dec 12 11:01:00.068 INFO [stderr]    |
Dec 12 11:01:00.068 INFO [stderr] 67 |     pub fn get_local_address(&self) -> &String {
Dec 12 11:01:00.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.068 INFO [stderr] 
Dec 12 11:01:00.459 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 12 11:01:00.459 INFO [stderr]  --> src/net/config.rs:6:5
Dec 12 11:01:00.459 INFO [stderr]   |
Dec 12 11:01:00.459 INFO [stderr] 6 | use std::time::Duration;
Dec 12 11:01:00.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.459 INFO [stderr]   |
Dec 12 11:01:00.459 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:01:00.459 INFO [stderr] 
Dec 12 11:01:00.459 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 12 11:01:00.459 INFO [stderr]   --> src/net/config.rs:71:9
Dec 12 11:01:00.459 INFO [stderr]    |
Dec 12 11:01:00.459 INFO [stderr] 71 |     use std::time::Duration;
Dec 12 11:01:00.459 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.459 INFO [stderr] 
Dec 12 11:01:00.459 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 12 11:01:00.459 INFO [stderr]   --> src/net/conn.rs:24:5
Dec 12 11:01:00.459 INFO [stderr]    |
Dec 12 11:01:00.459 INFO [stderr] 24 | use std::str::FromStr;
Dec 12 11:01:00.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.459 INFO [stderr] 
Dec 12 11:01:00.703 INFO [stderr] warning: unreachable statement
Dec 12 11:01:00.703 INFO [stderr]    --> src/net/conn.rs:137:9
Dec 12 11:01:00.703 INFO [stderr]     |
Dec 12 11:01:00.703 INFO [stderr] 137 |         let err_str = format!("Failed to parse {}:{}. ", host, port);
Dec 12 11:01:00.703 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:00.703 INFO [stderr]     |
Dec 12 11:01:00.703 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 12 11:01:00.703 INFO [stderr] 
Dec 12 11:01:00.900 INFO [stderr] warning: unused variable: `server`
Dec 12 11:01:00.900 INFO [stderr]    --> src/net/conn.rs:120:13
Dec 12 11:01:00.900 INFO [stderr]     |
Dec 12 11:01:00.900 INFO [stderr] 120 |         let server = match (host, port).to_socket_addrs() {
Dec 12 11:01:00.900 INFO [stderr]     |             ^^^^^^ help: consider using `_server` instead
Dec 12 11:01:00.900 INFO [stderr]     |
Dec 12 11:01:00.900 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 11:01:00.900 INFO [stderr] 
Dec 12 11:01:01.020 INFO [stderr] warning: variable does not need to be mutable
Dec 12 11:01:01.020 INFO [stderr]    --> src/net/conn.rs:149:13
Dec 12 11:01:01.020 INFO [stderr]     |
Dec 12 11:01:01.020 INFO [stderr] 149 |         let mut stream_socket;
Dec 12 11:01:01.020 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 12 11:01:01.020 INFO [stderr]     |             |
Dec 12 11:01:01.020 INFO [stderr]     |             help: remove this `mut`
Dec 12 11:01:01.020 INFO [stderr]     |
Dec 12 11:01:01.020 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 11:01:01.020 INFO [stderr] 
Dec 12 11:01:01.156 INFO [stderr] warning: method is never used: `from_file`
Dec 12 11:01:01.156 INFO [stderr]   --> src/net/config.rs:58:5
Dec 12 11:01:01.156 INFO [stderr]    |
Dec 12 11:01:01.156 INFO [stderr] 58 |     fn from_file(file: &str) -> Config {
Dec 12 11:01:01.156 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:01:01.156 INFO [stderr]    |
Dec 12 11:01:01.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:01:01.156 INFO [stderr] 
Dec 12 11:01:02.371 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
Dec 12 11:01:02.380 INFO [stderr] su: No module specific data is present
Dec 12 11:01:03.122 INFO running `"docker" "inspect" "9eb063ff43e962e324077ca0c22b332d9a8f9e3c80d21b09cc1f280ee71ca9fe"`
Dec 12 11:01:03.426 INFO running `"docker" "rm" "-f" "9eb063ff43e962e324077ca0c22b332d9a8f9e3c80d21b09cc1f280ee71ca9fe"`
Dec 12 11:01:03.744 INFO [stdout] 9eb063ff43e962e324077ca0c22b332d9a8f9e3c80d21b09cc1f280ee71ca9fe