Dec 11 23:03:11.637 INFO checking ak1t0/rust-socks-server against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 23:03:11.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11 23:03:12.151 INFO [stdout] b637c26549c625baf915f2eb59d5739ae503177d5012215902c033c82bc0f21c
Dec 11 23:03:12.153 INFO running `"docker" "start" "-a" "b637c26549c625baf915f2eb59d5739ae503177d5012215902c033c82bc0f21c"`
Dec 11 23:03:13.417 INFO [stderr] usermod: no changes
Dec 11 23:03:13.492 INFO [stderr]     Checking rust-socks-server v0.1.0 (/source)
Dec 11 23:03:13.932 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 11 23:03:13.932 INFO [stderr]  --> src/main.rs:3:5
Dec 11 23:03:13.932 INFO [stderr]   |
Dec 11 23:03:13.932 INFO [stderr] 3 | use std::str::FromStr;
Dec 11 23:03:13.932 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.932 INFO [stderr]   |
Dec 11 23:03:13.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:03:13.932 INFO [stderr] 
Dec 11 23:03:13.932 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 11 23:03:13.932 INFO [stderr]  --> src/main.rs:4:50
Dec 11 23:03:13.932 INFO [stderr]   |
Dec 11 23:03:13.932 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 11 23:03:13.932 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 11 23:03:13.932 INFO [stderr] 
Dec 11 23:03:13.932 INFO [stderr] warning: unreachable statement
Dec 11 23:03:13.932 INFO [stderr]   --> src/main.rs:39:5
Dec 11 23:03:13.932 INFO [stderr]    |
Dec 11 23:03:13.932 INFO [stderr] 39 |     println!("Finish program");
Dec 11 23:03:13.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.932 INFO [stderr]    |
Dec 11 23:03:13.932 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 11 23:03:13.932 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 11 23:03:13.932 INFO [stderr] 
Dec 11 23:03:13.946 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 11 23:03:13.946 INFO [stderr]  --> src/main.rs:3:5
Dec 11 23:03:13.946 INFO [stderr]   |
Dec 11 23:03:13.946 INFO [stderr] 3 | use std::str::FromStr;
Dec 11 23:03:13.946 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.946 INFO [stderr]   |
Dec 11 23:03:13.946 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:03:13.946 INFO [stderr] 
Dec 11 23:03:13.946 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 11 23:03:13.946 INFO [stderr]  --> src/main.rs:4:50
Dec 11 23:03:13.946 INFO [stderr]   |
Dec 11 23:03:13.946 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 11 23:03:13.946 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 11 23:03:13.946 INFO [stderr] 
Dec 11 23:03:13.960 INFO [stderr] warning: unreachable statement
Dec 11 23:03:13.960 INFO [stderr]   --> src/main.rs:39:5
Dec 11 23:03:13.960 INFO [stderr]    |
Dec 11 23:03:13.960 INFO [stderr] 39 |     println!("Finish program");
Dec 11 23:03:13.960 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.960 INFO [stderr]    |
Dec 11 23:03:13.960 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 11 23:03:13.960 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 11 23:03:13.960 INFO [stderr] 
Dec 11 23:03:13.973 INFO [stderr] warning: unused variable: `cmd`
Dec 11 23:03:13.973 INFO [stderr]   --> src/main.rs:45:18
Dec 11 23:03:13.973 INFO [stderr]    |
Dec 11 23:03:13.973 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 11 23:03:13.973 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 11 23:03:13.973 INFO [stderr]    |
Dec 11 23:03:13.973 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:03:13.973 INFO [stderr] 
Dec 11 23:03:13.973 INFO [stderr] warning: unused variable: `e`
Dec 11 23:03:13.973 INFO [stderr]   --> src/main.rs:57:17
Dec 11 23:03:13.973 INFO [stderr]    |
Dec 11 23:03:13.973 INFO [stderr] 57 |             Err(e) => {
Dec 11 23:03:13.973 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 11 23:03:13.973 INFO [stderr] 
Dec 11 23:03:13.973 INFO [stderr] warning: unused variable: `buf`
Dec 11 23:03:13.973 INFO [stderr]    --> src/main.rs:158:13
Dec 11 23:03:13.973 INFO [stderr]     |
Dec 11 23:03:13.973 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 11 23:03:13.973 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 11 23:03:13.973 INFO [stderr] 
Dec 11 23:03:13.987 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.987 INFO [stderr]   --> src/main.rs:51:9
Dec 11 23:03:13.987 INFO [stderr]    |
Dec 11 23:03:13.987 INFO [stderr] 51 |     let mut target_address;
Dec 11 23:03:13.987 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 11 23:03:13.987 INFO [stderr]    |         |
Dec 11 23:03:13.987 INFO [stderr]    |         help: remove this `mut`
Dec 11 23:03:13.987 INFO [stderr]    |
Dec 11 23:03:13.988 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 23:03:13.988 INFO [stderr] 
Dec 11 23:03:13.992 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.992 INFO [stderr]    --> src/main.rs:104:9
Dec 11 23:03:13.992 INFO [stderr]     |
Dec 11 23:03:13.992 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 11 23:03:13.992 INFO [stderr]     |         ----^^^
Dec 11 23:03:13.992 INFO [stderr]     |         |
Dec 11 23:03:13.992 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:13.992 INFO [stderr] 
Dec 11 23:03:13.992 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.992 INFO [stderr]    --> src/main.rs:105:9
Dec 11 23:03:13.992 INFO [stderr]     |
Dec 11 23:03:13.992 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 11 23:03:13.992 INFO [stderr]     |         ----^^^
Dec 11 23:03:13.992 INFO [stderr]     |         |
Dec 11 23:03:13.992 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:13.992 INFO [stderr] 
Dec 11 23:03:13.992 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.992 INFO [stderr]    --> src/main.rs:106:9
Dec 11 23:03:13.992 INFO [stderr]     |
Dec 11 23:03:13.992 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 11 23:03:13.992 INFO [stderr]     |         ----^^^
Dec 11 23:03:13.992 INFO [stderr]     |         |
Dec 11 23:03:13.992 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:13.992 INFO [stderr] 
Dec 11 23:03:13.992 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.992 INFO [stderr]    --> src/main.rs:107:9
Dec 11 23:03:13.992 INFO [stderr]     |
Dec 11 23:03:13.992 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 11 23:03:13.993 INFO [stderr]     |         ----^^^
Dec 11 23:03:13.993 INFO [stderr]     |         |
Dec 11 23:03:13.993 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:13.993 INFO [stderr] 
Dec 11 23:03:13.996 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:13.996 INFO [stderr]    --> src/main.rs:158:9
Dec 11 23:03:13.996 INFO [stderr]     |
Dec 11 23:03:13.996 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 11 23:03:13.996 INFO [stderr]     |         ----^^^
Dec 11 23:03:13.996 INFO [stderr]     |         |
Dec 11 23:03:13.996 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:13.996 INFO [stderr] 
Dec 11 23:03:13.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.997 INFO [stderr]   --> src/main.rs:85:9
Dec 11 23:03:13.997 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 11 23:03:13.998 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 23:03:13.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.998 INFO [stderr] 
Dec 11 23:03:13.998 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.998 INFO [stderr]   --> src/main.rs:86:9
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 11 23:03:13.998 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.998 INFO [stderr] 
Dec 11 23:03:13.998 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.998 INFO [stderr]   --> src/main.rs:87:9
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 11 23:03:13.998 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.998 INFO [stderr] 
Dec 11 23:03:13.998 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.998 INFO [stderr]   --> src/main.rs:90:5
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 11 23:03:13.998 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.998 INFO [stderr] 
Dec 11 23:03:13.998 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.998 INFO [stderr]   --> src/main.rs:91:5
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 11 23:03:13.998 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.998 INFO [stderr]    |
Dec 11 23:03:13.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:13.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.999 INFO [stderr]   --> src/main.rs:92:5
Dec 11 23:03:13.999 INFO [stderr]    |
Dec 11 23:03:13.999 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 11 23:03:13.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.999 INFO [stderr]    |
Dec 11 23:03:13.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:13.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.999 INFO [stderr]    --> src/main.rs:113:5
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr] 113 |     stream.write(&reply);
Dec 11 23:03:13.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:13.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.999 INFO [stderr]    --> src/main.rs:125:5
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 11 23:03:13.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:13.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.999 INFO [stderr]    --> src/main.rs:140:5
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr] 140 |     s.read(&mut buf);
Dec 11 23:03:13.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:13.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:13.999 INFO [stderr]    --> src/main.rs:147:5
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr] 147 |     s.read(&mut buf);
Dec 11 23:03:13.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:13.999 INFO [stderr]     |
Dec 11 23:03:13.999 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:13.999 INFO [stderr] 
Dec 11 23:03:14.003 INFO [stderr] warning: unused variable: `cmd`
Dec 11 23:03:14.003 INFO [stderr]   --> src/main.rs:45:18
Dec 11 23:03:14.003 INFO [stderr]    |
Dec 11 23:03:14.003 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 11 23:03:14.003 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 11 23:03:14.003 INFO [stderr]    |
Dec 11 23:03:14.003 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:03:14.003 INFO [stderr] 
Dec 11 23:03:14.003 INFO [stderr] warning: unused variable: `e`
Dec 11 23:03:14.003 INFO [stderr]   --> src/main.rs:57:17
Dec 11 23:03:14.003 INFO [stderr]    |
Dec 11 23:03:14.003 INFO [stderr] 57 |             Err(e) => {
Dec 11 23:03:14.003 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 11 23:03:14.003 INFO [stderr] 
Dec 11 23:03:14.003 INFO [stderr] warning: unused variable: `buf`
Dec 11 23:03:14.003 INFO [stderr]    --> src/main.rs:158:13
Dec 11 23:03:14.003 INFO [stderr]     |
Dec 11 23:03:14.003 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 11 23:03:14.003 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 11 23:03:14.003 INFO [stderr] 
Dec 11 23:03:14.020 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.020 INFO [stderr]   --> src/main.rs:51:9
Dec 11 23:03:14.020 INFO [stderr]    |
Dec 11 23:03:14.020 INFO [stderr] 51 |     let mut target_address;
Dec 11 23:03:14.020 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 11 23:03:14.020 INFO [stderr]    |         |
Dec 11 23:03:14.020 INFO [stderr]    |         help: remove this `mut`
Dec 11 23:03:14.020 INFO [stderr]    |
Dec 11 23:03:14.020 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 23:03:14.020 INFO [stderr] 
Dec 11 23:03:14.024 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.024 INFO [stderr]    --> src/main.rs:104:9
Dec 11 23:03:14.024 INFO [stderr]     |
Dec 11 23:03:14.024 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 11 23:03:14.024 INFO [stderr]     |         ----^^^
Dec 11 23:03:14.024 INFO [stderr]     |         |
Dec 11 23:03:14.024 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:14.024 INFO [stderr] 
Dec 11 23:03:14.024 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.024 INFO [stderr]    --> src/main.rs:105:9
Dec 11 23:03:14.024 INFO [stderr]     |
Dec 11 23:03:14.024 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 11 23:03:14.024 INFO [stderr]     |         ----^^^
Dec 11 23:03:14.024 INFO [stderr]     |         |
Dec 11 23:03:14.024 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:14.024 INFO [stderr] 
Dec 11 23:03:14.024 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.024 INFO [stderr]    --> src/main.rs:106:9
Dec 11 23:03:14.024 INFO [stderr]     |
Dec 11 23:03:14.024 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 11 23:03:14.024 INFO [stderr]     |         ----^^^
Dec 11 23:03:14.024 INFO [stderr]     |         |
Dec 11 23:03:14.024 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:14.024 INFO [stderr] 
Dec 11 23:03:14.024 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.024 INFO [stderr]    --> src/main.rs:107:9
Dec 11 23:03:14.024 INFO [stderr]     |
Dec 11 23:03:14.024 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 11 23:03:14.024 INFO [stderr]     |         ----^^^
Dec 11 23:03:14.024 INFO [stderr]     |         |
Dec 11 23:03:14.024 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:14.024 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:03:14.036 INFO [stderr]    --> src/main.rs:158:9
Dec 11 23:03:14.036 INFO [stderr]     |
Dec 11 23:03:14.036 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 11 23:03:14.036 INFO [stderr]     |         ----^^^
Dec 11 23:03:14.036 INFO [stderr]     |         |
Dec 11 23:03:14.036 INFO [stderr]     |         help: remove this `mut`
Dec 11 23:03:14.036 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.036 INFO [stderr]   --> src/main.rs:85:9
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 11 23:03:14.036 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 23:03:14.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.036 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.036 INFO [stderr]   --> src/main.rs:86:9
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 11 23:03:14.036 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.036 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.036 INFO [stderr]   --> src/main.rs:87:9
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 11 23:03:14.036 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.036 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.036 INFO [stderr]   --> src/main.rs:90:5
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 11 23:03:14.036 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.036 INFO [stderr]    |
Dec 11 23:03:14.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.036 INFO [stderr] 
Dec 11 23:03:14.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.036 INFO [stderr]   --> src/main.rs:91:5
Dec 11 23:03:14.037 INFO [stderr]    |
Dec 11 23:03:14.037 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 11 23:03:14.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]    |
Dec 11 23:03:14.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.037 INFO [stderr]   --> src/main.rs:92:5
Dec 11 23:03:14.037 INFO [stderr]    |
Dec 11 23:03:14.037 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 11 23:03:14.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]    |
Dec 11 23:03:14.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.037 INFO [stderr]    --> src/main.rs:113:5
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr] 113 |     stream.write(&reply);
Dec 11 23:03:14.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.037 INFO [stderr]    --> src/main.rs:125:5
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 11 23:03:14.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.037 INFO [stderr]    --> src/main.rs:140:5
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr] 140 |     s.read(&mut buf);
Dec 11 23:03:14.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:03:14.037 INFO [stderr]    --> src/main.rs:147:5
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr] 147 |     s.read(&mut buf);
Dec 11 23:03:14.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 11 23:03:14.037 INFO [stderr]     |
Dec 11 23:03:14.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:03:14.037 INFO [stderr] 
Dec 11 23:03:14.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 11 23:03:14.068 INFO [stderr] su: No module specific data is present
Dec 11 23:03:14.618 INFO running `"docker" "inspect" "b637c26549c625baf915f2eb59d5739ae503177d5012215902c033c82bc0f21c"`
Dec 11 23:03:14.902 INFO running `"docker" "rm" "-f" "b637c26549c625baf915f2eb59d5739ae503177d5012215902c033c82bc0f21c"`
Dec 11 23:03:15.192 INFO [stdout] b637c26549c625baf915f2eb59d5739ae503177d5012215902c033c82bc0f21c