Dec 02 01:22:22.074 INFO testing ak1t0/rust-socks-server against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 01:22:22.074 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 01:22:22.471 INFO [stdout] 839cffc549d30175910644bb1fe4a0495b90ef993f41ade8684e48193039076b
Dec 02 01:22:22.475 INFO running `"docker" "start" "-a" "839cffc549d30175910644bb1fe4a0495b90ef993f41ade8684e48193039076b"`
Dec 02 01:22:23.646 INFO [stderr] usermod: no changes
Dec 02 01:22:23.699 INFO [stderr]    Compiling rust-socks-server v0.1.0 (/source)
Dec 02 01:22:24.155 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 02 01:22:24.163 INFO [stderr]  --> src/main.rs:3:5
Dec 02 01:22:24.163 INFO [stderr]   |
Dec 02 01:22:24.163 INFO [stderr] 3 | use std::str::FromStr;
Dec 02 01:22:24.163 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.163 INFO [stderr]   |
Dec 02 01:22:24.163 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 01:22:24.163 INFO [stderr] 
Dec 02 01:22:24.163 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 02 01:22:24.163 INFO [stderr]  --> src/main.rs:4:50
Dec 02 01:22:24.163 INFO [stderr]   |
Dec 02 01:22:24.163 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 02 01:22:24.163 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 02 01:22:24.163 INFO [stderr] 
Dec 02 01:22:24.183 INFO [stderr] warning: unreachable statement
Dec 02 01:22:24.183 INFO [stderr]   --> src/main.rs:39:5
Dec 02 01:22:24.183 INFO [stderr]    |
Dec 02 01:22:24.183 INFO [stderr] 39 |     println!("Finish program");
Dec 02 01:22:24.183 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.183 INFO [stderr]    |
Dec 02 01:22:24.183 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 02 01:22:24.183 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 02 01:22:24.183 INFO [stderr] 
Dec 02 01:22:24.242 INFO [stderr] warning: unused variable: `cmd`
Dec 02 01:22:24.242 INFO [stderr]   --> src/main.rs:45:18
Dec 02 01:22:24.242 INFO [stderr]    |
Dec 02 01:22:24.242 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 02 01:22:24.242 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 02 01:22:24.242 INFO [stderr]    |
Dec 02 01:22:24.242 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 01:22:24.242 INFO [stderr] 
Dec 02 01:22:24.242 INFO [stderr] warning: unused variable: `e`
Dec 02 01:22:24.242 INFO [stderr]   --> src/main.rs:57:17
Dec 02 01:22:24.242 INFO [stderr]    |
Dec 02 01:22:24.242 INFO [stderr] 57 |             Err(e) => {
Dec 02 01:22:24.242 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 02 01:22:24.242 INFO [stderr] 
Dec 02 01:22:24.242 INFO [stderr] warning: unused variable: `buf`
Dec 02 01:22:24.242 INFO [stderr]    --> src/main.rs:158:13
Dec 02 01:22:24.242 INFO [stderr]     |
Dec 02 01:22:24.242 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 02 01:22:24.242 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 02 01:22:24.242 INFO [stderr] 
Dec 02 01:22:24.263 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.263 INFO [stderr]   --> src/main.rs:51:9
Dec 02 01:22:24.263 INFO [stderr]    |
Dec 02 01:22:24.263 INFO [stderr] 51 |     let mut target_address;
Dec 02 01:22:24.263 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 02 01:22:24.263 INFO [stderr]    |         |
Dec 02 01:22:24.263 INFO [stderr]    |         help: remove this `mut`
Dec 02 01:22:24.263 INFO [stderr]    |
Dec 02 01:22:24.263 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 01:22:24.263 INFO [stderr] 
Dec 02 01:22:24.264 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.264 INFO [stderr]    --> src/main.rs:104:9
Dec 02 01:22:24.264 INFO [stderr]     |
Dec 02 01:22:24.264 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 02 01:22:24.264 INFO [stderr]     |         ----^^^
Dec 02 01:22:24.264 INFO [stderr]     |         |
Dec 02 01:22:24.264 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:24.264 INFO [stderr] 
Dec 02 01:22:24.264 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.264 INFO [stderr]    --> src/main.rs:105:9
Dec 02 01:22:24.264 INFO [stderr]     |
Dec 02 01:22:24.264 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 02 01:22:24.264 INFO [stderr]     |         ----^^^
Dec 02 01:22:24.264 INFO [stderr]     |         |
Dec 02 01:22:24.264 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:24.264 INFO [stderr] 
Dec 02 01:22:24.264 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.264 INFO [stderr]    --> src/main.rs:106:9
Dec 02 01:22:24.264 INFO [stderr]     |
Dec 02 01:22:24.264 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 02 01:22:24.264 INFO [stderr]     |         ----^^^
Dec 02 01:22:24.264 INFO [stderr]     |         |
Dec 02 01:22:24.264 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:24.264 INFO [stderr] 
Dec 02 01:22:24.264 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.264 INFO [stderr]    --> src/main.rs:107:9
Dec 02 01:22:24.264 INFO [stderr]     |
Dec 02 01:22:24.264 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 02 01:22:24.264 INFO [stderr]     |         ----^^^
Dec 02 01:22:24.264 INFO [stderr]     |         |
Dec 02 01:22:24.264 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:24.264 INFO [stderr] 
Dec 02 01:22:24.271 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:24.271 INFO [stderr]    --> src/main.rs:158:9
Dec 02 01:22:24.271 INFO [stderr]     |
Dec 02 01:22:24.271 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 02 01:22:24.271 INFO [stderr]     |         ----^^^
Dec 02 01:22:24.271 INFO [stderr]     |         |
Dec 02 01:22:24.271 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:24.271 INFO [stderr] 
Dec 02 01:22:24.271 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.271 INFO [stderr]   --> src/main.rs:85:9
Dec 02 01:22:24.271 INFO [stderr]    |
Dec 02 01:22:24.271 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 02 01:22:24.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.271 INFO [stderr]    |
Dec 02 01:22:24.271 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 01:22:24.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.271 INFO [stderr] 
Dec 02 01:22:24.271 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.271 INFO [stderr]   --> src/main.rs:86:9
Dec 02 01:22:24.271 INFO [stderr]    |
Dec 02 01:22:24.271 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 02 01:22:24.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.271 INFO [stderr]    |
Dec 02 01:22:24.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.271 INFO [stderr] 
Dec 02 01:22:24.271 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.271 INFO [stderr]   --> src/main.rs:87:9
Dec 02 01:22:24.271 INFO [stderr]    |
Dec 02 01:22:24.271 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 02 01:22:24.272 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]   --> src/main.rs:90:5
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 02 01:22:24.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]   --> src/main.rs:91:5
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 02 01:22:24.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]   --> src/main.rs:92:5
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 02 01:22:24.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]    |
Dec 02 01:22:24.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]    --> src/main.rs:113:5
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr] 113 |     stream.write(&reply);
Dec 02 01:22:24.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]    --> src/main.rs:125:5
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 02 01:22:24.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]    --> src/main.rs:140:5
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr] 140 |     s.read(&mut buf);
Dec 02 01:22:24.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:24.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:24.272 INFO [stderr]    --> src/main.rs:147:5
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr] 147 |     s.read(&mut buf);
Dec 02 01:22:24.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:24.272 INFO [stderr]     |
Dec 02 01:22:24.272 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:24.272 INFO [stderr] 
Dec 02 01:22:25.142 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 02 01:22:25.144 INFO [stderr] su: No module specific data is present
Dec 02 01:22:25.853 INFO running `"docker" "inspect" "839cffc549d30175910644bb1fe4a0495b90ef993f41ade8684e48193039076b"`
Dec 02 01:22:26.145 INFO running `"docker" "rm" "-f" "839cffc549d30175910644bb1fe4a0495b90ef993f41ade8684e48193039076b"`
Dec 02 01:22:26.427 INFO [stdout] 839cffc549d30175910644bb1fe4a0495b90ef993f41ade8684e48193039076b
Dec 02 01:22:26.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 01:22:26.817 INFO [stdout] 3ff9fe6cfc91e8e50903bf3febe1245e21df407fb24dbbef97ea0e0dc364ea4a
Dec 02 01:22:26.820 INFO running `"docker" "start" "-a" "3ff9fe6cfc91e8e50903bf3febe1245e21df407fb24dbbef97ea0e0dc364ea4a"`
Dec 02 01:22:27.809 INFO [stderr] usermod: no changes
Dec 02 01:22:27.855 INFO [stderr]    Compiling rust-socks-server v0.1.0 (/source)
Dec 02 01:22:28.474 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 02 01:22:28.474 INFO [stderr]  --> src/main.rs:3:5
Dec 02 01:22:28.474 INFO [stderr]   |
Dec 02 01:22:28.474 INFO [stderr] 3 | use std::str::FromStr;
Dec 02 01:22:28.474 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.474 INFO [stderr]   |
Dec 02 01:22:28.474 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 01:22:28.474 INFO [stderr] 
Dec 02 01:22:28.474 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 02 01:22:28.474 INFO [stderr]  --> src/main.rs:4:50
Dec 02 01:22:28.474 INFO [stderr]   |
Dec 02 01:22:28.474 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 02 01:22:28.474 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 02 01:22:28.474 INFO [stderr] 
Dec 02 01:22:28.495 INFO [stderr] warning: unreachable statement
Dec 02 01:22:28.495 INFO [stderr]   --> src/main.rs:39:5
Dec 02 01:22:28.495 INFO [stderr]    |
Dec 02 01:22:28.495 INFO [stderr] 39 |     println!("Finish program");
Dec 02 01:22:28.495 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.495 INFO [stderr]    |
Dec 02 01:22:28.495 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 02 01:22:28.495 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 02 01:22:28.495 INFO [stderr] 
Dec 02 01:22:28.539 INFO [stderr] warning: unused variable: `cmd`
Dec 02 01:22:28.539 INFO [stderr]   --> src/main.rs:45:18
Dec 02 01:22:28.539 INFO [stderr]    |
Dec 02 01:22:28.539 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 02 01:22:28.539 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 02 01:22:28.539 INFO [stderr]    |
Dec 02 01:22:28.539 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 01:22:28.539 INFO [stderr] 
Dec 02 01:22:28.539 INFO [stderr] warning: unused variable: `e`
Dec 02 01:22:28.539 INFO [stderr]   --> src/main.rs:57:17
Dec 02 01:22:28.539 INFO [stderr]    |
Dec 02 01:22:28.539 INFO [stderr] 57 |             Err(e) => {
Dec 02 01:22:28.539 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 02 01:22:28.539 INFO [stderr] 
Dec 02 01:22:28.539 INFO [stderr] warning: unused variable: `buf`
Dec 02 01:22:28.539 INFO [stderr]    --> src/main.rs:158:13
Dec 02 01:22:28.539 INFO [stderr]     |
Dec 02 01:22:28.539 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 02 01:22:28.539 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 02 01:22:28.539 INFO [stderr] 
Dec 02 01:22:28.557 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.557 INFO [stderr]   --> src/main.rs:51:9
Dec 02 01:22:28.557 INFO [stderr]    |
Dec 02 01:22:28.557 INFO [stderr] 51 |     let mut target_address;
Dec 02 01:22:28.557 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 02 01:22:28.557 INFO [stderr]    |         |
Dec 02 01:22:28.557 INFO [stderr]    |         help: remove this `mut`
Dec 02 01:22:28.557 INFO [stderr]    |
Dec 02 01:22:28.557 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 01:22:28.557 INFO [stderr] 
Dec 02 01:22:28.562 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.563 INFO [stderr]    --> src/main.rs:104:9
Dec 02 01:22:28.563 INFO [stderr]     |
Dec 02 01:22:28.563 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 02 01:22:28.563 INFO [stderr]     |         ----^^^
Dec 02 01:22:28.563 INFO [stderr]     |         |
Dec 02 01:22:28.563 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:28.563 INFO [stderr] 
Dec 02 01:22:28.563 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.563 INFO [stderr]    --> src/main.rs:105:9
Dec 02 01:22:28.563 INFO [stderr]     |
Dec 02 01:22:28.563 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 02 01:22:28.563 INFO [stderr]     |         ----^^^
Dec 02 01:22:28.563 INFO [stderr]     |         |
Dec 02 01:22:28.563 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:28.563 INFO [stderr] 
Dec 02 01:22:28.563 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.563 INFO [stderr]    --> src/main.rs:106:9
Dec 02 01:22:28.563 INFO [stderr]     |
Dec 02 01:22:28.566 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 02 01:22:28.567 INFO [stderr]     |         ----^^^
Dec 02 01:22:28.567 INFO [stderr]     |         |
Dec 02 01:22:28.567 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:28.567 INFO [stderr] 
Dec 02 01:22:28.567 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.567 INFO [stderr]    --> src/main.rs:107:9
Dec 02 01:22:28.567 INFO [stderr]     |
Dec 02 01:22:28.567 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 02 01:22:28.567 INFO [stderr]     |         ----^^^
Dec 02 01:22:28.567 INFO [stderr]     |         |
Dec 02 01:22:28.567 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:28.567 INFO [stderr] 
Dec 02 01:22:28.567 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:22:28.567 INFO [stderr]    --> src/main.rs:158:9
Dec 02 01:22:28.567 INFO [stderr]     |
Dec 02 01:22:28.567 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 02 01:22:28.567 INFO [stderr]     |         ----^^^
Dec 02 01:22:28.567 INFO [stderr]     |         |
Dec 02 01:22:28.567 INFO [stderr]     |         help: remove this `mut`
Dec 02 01:22:28.567 INFO [stderr] 
Dec 02 01:22:28.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.567 INFO [stderr]   --> src/main.rs:85:9
Dec 02 01:22:28.567 INFO [stderr]    |
Dec 02 01:22:28.567 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 02 01:22:28.567 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.567 INFO [stderr]    |
Dec 02 01:22:28.567 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 01:22:28.567 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.567 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]   --> src/main.rs:86:9
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 02 01:22:28.570 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]   --> src/main.rs:87:9
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 02 01:22:28.570 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]   --> src/main.rs:90:5
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 02 01:22:28.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]   --> src/main.rs:91:5
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 02 01:22:28.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]   --> src/main.rs:92:5
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 02 01:22:28.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]    |
Dec 02 01:22:28.570 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]    --> src/main.rs:113:5
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr] 113 |     stream.write(&reply);
Dec 02 01:22:28.570 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]    --> src/main.rs:125:5
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 02 01:22:28.570 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]    --> src/main.rs:140:5
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr] 140 |     s.read(&mut buf);
Dec 02 01:22:28.570 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.570 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.570 INFO [stderr] 
Dec 02 01:22:28.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 01:22:28.570 INFO [stderr]    --> src/main.rs:147:5
Dec 02 01:22:28.570 INFO [stderr]     |
Dec 02 01:22:28.571 INFO [stderr] 147 |     s.read(&mut buf);
Dec 02 01:22:28.571 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 02 01:22:28.571 INFO [stderr]     |
Dec 02 01:22:28.571 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:22:28.574 INFO [stderr] 
Dec 02 01:22:29.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 02 01:22:29.071 INFO [stderr] su: No module specific data is present
Dec 02 01:22:29.813 INFO running `"docker" "inspect" "3ff9fe6cfc91e8e50903bf3febe1245e21df407fb24dbbef97ea0e0dc364ea4a"`
Dec 02 01:22:30.094 INFO running `"docker" "rm" "-f" "3ff9fe6cfc91e8e50903bf3febe1245e21df407fb24dbbef97ea0e0dc364ea4a"`
Dec 02 01:22:30.319 INFO [stdout] 3ff9fe6cfc91e8e50903bf3febe1245e21df407fb24dbbef97ea0e0dc364ea4a
Dec 02 01:22:30.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 01:22:30.683 INFO [stdout] c74d9eef337e316f0dea1af8259662a8e6168a1e70afaad627b54c812a244e47
Dec 02 01:22:30.688 INFO running `"docker" "start" "-a" "c74d9eef337e316f0dea1af8259662a8e6168a1e70afaad627b54c812a244e47"`
Dec 02 01:22:31.483 INFO [stderr] usermod: no changes
Dec 02 01:22:31.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 02 01:22:31.511 INFO [stderr]      Running /target/debug/deps/rust_socks_server-2699fd2fa541c77c
Dec 02 01:22:31.519 INFO [stdout] 
Dec 02 01:22:31.519 INFO [stdout] running 0 tests
Dec 02 01:22:31.519 INFO [stdout] 
Dec 02 01:22:31.519 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 01:22:31.519 INFO [stdout] 
Dec 02 01:22:31.519 INFO [stderr] su: No module specific data is present
Dec 02 01:22:32.208 INFO running `"docker" "inspect" "c74d9eef337e316f0dea1af8259662a8e6168a1e70afaad627b54c812a244e47"`
Dec 02 01:22:32.436 INFO running `"docker" "rm" "-f" "c74d9eef337e316f0dea1af8259662a8e6168a1e70afaad627b54c812a244e47"`
Dec 02 01:22:32.687 INFO [stdout] c74d9eef337e316f0dea1af8259662a8e6168a1e70afaad627b54c812a244e47
