Dec 19 20:52:43.208 INFO checking ak1t0/rust-socks-server against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:52:43.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ak1t0/rust-socks-server:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:52:43.616 INFO [stdout] 0b55bc01ab5732962674f1702e1bc339bb056e2b29ad202f67aa6e00e73b6b47
Dec 19 20:52:43.618 INFO running `"docker" "start" "-a" "0b55bc01ab5732962674f1702e1bc339bb056e2b29ad202f67aa6e00e73b6b47"`
Dec 19 20:52:45.424 INFO [stderr]     Checking rust-socks-server v0.1.0 (/opt/crater/workdir)
Dec 19 20:52:45.736 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 19 20:52:45.736 INFO [stderr]  --> src/main.rs:3:5
Dec 19 20:52:45.737 INFO [stderr]   |
Dec 19 20:52:45.737 INFO [stderr] 3 | use std::str::FromStr;
Dec 19 20:52:45.737 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.737 INFO [stderr]   |
Dec 19 20:52:45.737 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:52:45.737 INFO [stderr] 
Dec 19 20:52:45.737 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 19 20:52:45.737 INFO [stderr]  --> src/main.rs:4:50
Dec 19 20:52:45.737 INFO [stderr]   |
Dec 19 20:52:45.737 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 19 20:52:45.737 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 19 20:52:45.737 INFO [stderr] 
Dec 19 20:52:45.752 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 19 20:52:45.752 INFO [stderr]  --> src/main.rs:3:5
Dec 19 20:52:45.752 INFO [stderr]   |
Dec 19 20:52:45.752 INFO [stderr] 3 | use std::str::FromStr;
Dec 19 20:52:45.752 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.752 INFO [stderr]   |
Dec 19 20:52:45.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:52:45.752 INFO [stderr] 
Dec 19 20:52:45.752 INFO [stderr] warning: unreachable statement
Dec 19 20:52:45.752 INFO [stderr]   --> src/main.rs:39:5
Dec 19 20:52:45.752 INFO [stderr]    |
Dec 19 20:52:45.752 INFO [stderr] 39 |     println!("Finish program");
Dec 19 20:52:45.752 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.752 INFO [stderr]    |
Dec 19 20:52:45.752 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 20:52:45.752 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 19 20:52:45.752 INFO [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `ToSocketAddrs`
Dec 19 20:52:45.752 INFO [stderr] 
Dec 19 20:52:45.752 INFO [stderr]  --> src/main.rs:4:50
Dec 19 20:52:45.752 INFO [stderr]   |
Dec 19 20:52:45.752 INFO [stderr] 4 | use std::net::{TcpStream, TcpListener, Shutdown, IpAddr, Ipv4Addr, ToSocketAddrs};
Dec 19 20:52:45.752 INFO [stderr]   |                                                  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^
Dec 19 20:52:45.752 INFO [stderr] 
Dec 19 20:52:45.781 INFO [stderr] warning: unreachable statement
Dec 19 20:52:45.781 INFO [stderr]   --> src/main.rs:39:5
Dec 19 20:52:45.781 INFO [stderr]    |
Dec 19 20:52:45.781 INFO [stderr] 39 |     println!("Finish program");
Dec 19 20:52:45.781 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.781 INFO [stderr]    |
Dec 19 20:52:45.781 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 20:52:45.782 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 19 20:52:45.782 INFO [stderr] 
Dec 19 20:52:45.799 INFO [stderr] warning: unused variable: `cmd`
Dec 19 20:52:45.799 INFO [stderr]   --> src/main.rs:45:18
Dec 19 20:52:45.799 INFO [stderr]    |
Dec 19 20:52:45.799 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 19 20:52:45.799 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 19 20:52:45.799 INFO [stderr]    |
Dec 19 20:52:45.799 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:52:45.799 INFO [stderr] 
Dec 19 20:52:45.799 INFO [stderr] warning: unused variable: `e`
Dec 19 20:52:45.799 INFO [stderr]   --> src/main.rs:57:17
Dec 19 20:52:45.799 INFO [stderr]    |
Dec 19 20:52:45.799 INFO [stderr] 57 |             Err(e) => {
Dec 19 20:52:45.799 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 19 20:52:45.799 INFO [stderr] 
Dec 19 20:52:45.799 INFO [stderr] warning: unused variable: `buf`
Dec 19 20:52:45.799 INFO [stderr]    --> src/main.rs:158:13
Dec 19 20:52:45.800 INFO [stderr]     |
Dec 19 20:52:45.800 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 19 20:52:45.800 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 19 20:52:45.800 INFO [stderr] 
Dec 19 20:52:45.841 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.841 INFO [stderr]   --> src/main.rs:51:9
Dec 19 20:52:45.841 INFO [stderr]    |
Dec 19 20:52:45.841 INFO [stderr] 51 |     let mut target_address;
Dec 19 20:52:45.841 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 19 20:52:45.841 INFO [stderr]    |         |
Dec 19 20:52:45.841 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:52:45.841 INFO [stderr]    |
Dec 19 20:52:45.844 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:52:45.844 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.864 INFO [stderr]    --> src/main.rs:104:9
Dec 19 20:52:45.864 INFO [stderr]     |
Dec 19 20:52:45.864 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 19 20:52:45.864 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.864 INFO [stderr]     |         |
Dec 19 20:52:45.864 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.864 INFO [stderr]    --> src/main.rs:105:9
Dec 19 20:52:45.864 INFO [stderr]     |
Dec 19 20:52:45.864 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 19 20:52:45.864 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.864 INFO [stderr]     |         |
Dec 19 20:52:45.864 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.864 INFO [stderr]    --> src/main.rs:106:9
Dec 19 20:52:45.864 INFO [stderr]     |
Dec 19 20:52:45.864 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 19 20:52:45.864 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.864 INFO [stderr]     |         |
Dec 19 20:52:45.864 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.864 INFO [stderr]    --> src/main.rs:107:9
Dec 19 20:52:45.864 INFO [stderr]     |
Dec 19 20:52:45.864 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 19 20:52:45.864 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.864 INFO [stderr]     |         |
Dec 19 20:52:45.864 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: unused variable: `cmd`
Dec 19 20:52:45.864 INFO [stderr]   --> src/main.rs:45:18
Dec 19 20:52:45.864 INFO [stderr]    |
Dec 19 20:52:45.864 INFO [stderr] 45 |     let (r, ver, cmd) = check_request(&client_stream);
Dec 19 20:52:45.864 INFO [stderr]    |                  ^^^ help: consider using `_cmd` instead
Dec 19 20:52:45.864 INFO [stderr]    |
Dec 19 20:52:45.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: unused variable: `e`
Dec 19 20:52:45.864 INFO [stderr]   --> src/main.rs:57:17
Dec 19 20:52:45.864 INFO [stderr]    |
Dec 19 20:52:45.864 INFO [stderr] 57 |             Err(e) => {
Dec 19 20:52:45.864 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.864 INFO [stderr] warning: unused variable: `buf`
Dec 19 20:52:45.864 INFO [stderr]    --> src/main.rs:158:13
Dec 19 20:52:45.864 INFO [stderr]     |
Dec 19 20:52:45.864 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 19 20:52:45.864 INFO [stderr]     |             ^^^ help: consider using `_buf` instead
Dec 19 20:52:45.864 INFO [stderr] 
Dec 19 20:52:45.868 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.868 INFO [stderr]    --> src/main.rs:158:9
Dec 19 20:52:45.868 INFO [stderr]     |
Dec 19 20:52:45.868 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 19 20:52:45.868 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.868 INFO [stderr]     |         |
Dec 19 20:52:45.868 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.868 INFO [stderr] 
Dec 19 20:52:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.868 INFO [stderr]   --> src/main.rs:85:9
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 19 20:52:45.868 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:52:45.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.868 INFO [stderr] 
Dec 19 20:52:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.868 INFO [stderr]   --> src/main.rs:86:9
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 19 20:52:45.868 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.868 INFO [stderr] 
Dec 19 20:52:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.868 INFO [stderr]   --> src/main.rs:87:9
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 19 20:52:45.868 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.868 INFO [stderr]    |
Dec 19 20:52:45.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.868 INFO [stderr] 
Dec 19 20:52:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.868 INFO [stderr]   --> src/main.rs:90:5
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 19 20:52:45.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.869 INFO [stderr] 
Dec 19 20:52:45.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.869 INFO [stderr]   --> src/main.rs:91:5
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 19 20:52:45.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.869 INFO [stderr] 
Dec 19 20:52:45.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.869 INFO [stderr]   --> src/main.rs:92:5
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 19 20:52:45.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.869 INFO [stderr]    |
Dec 19 20:52:45.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.869 INFO [stderr] 
Dec 19 20:52:45.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.869 INFO [stderr]    --> src/main.rs:113:5
Dec 19 20:52:45.869 INFO [stderr]     |
Dec 19 20:52:45.869 INFO [stderr] 113 |     stream.write(&reply);
Dec 19 20:52:45.869 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.869 INFO [stderr]     |
Dec 19 20:52:45.869 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.869 INFO [stderr] 
Dec 19 20:52:45.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.869 INFO [stderr]    --> src/main.rs:125:5
Dec 19 20:52:45.869 INFO [stderr]     |
Dec 19 20:52:45.869 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 19 20:52:45.869 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.869 INFO [stderr]     |
Dec 19 20:52:45.869 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.869 INFO [stderr] 
Dec 19 20:52:45.870 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.870 INFO [stderr]    --> src/main.rs:140:5
Dec 19 20:52:45.870 INFO [stderr]     |
Dec 19 20:52:45.870 INFO [stderr] 140 |     s.read(&mut buf);
Dec 19 20:52:45.870 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.870 INFO [stderr]     |
Dec 19 20:52:45.870 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.870 INFO [stderr] 
Dec 19 20:52:45.876 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.876 INFO [stderr]    --> src/main.rs:147:5
Dec 19 20:52:45.876 INFO [stderr]     |
Dec 19 20:52:45.876 INFO [stderr] 147 |     s.read(&mut buf);
Dec 19 20:52:45.876 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.876 INFO [stderr]     |
Dec 19 20:52:45.876 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.876 INFO [stderr] 
Dec 19 20:52:45.880 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.880 INFO [stderr]   --> src/main.rs:51:9
Dec 19 20:52:45.880 INFO [stderr]    |
Dec 19 20:52:45.880 INFO [stderr] 51 |     let mut target_address;
Dec 19 20:52:45.880 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 19 20:52:45.880 INFO [stderr]    |         |
Dec 19 20:52:45.880 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:52:45.880 INFO [stderr]    |
Dec 19 20:52:45.880 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:52:45.880 INFO [stderr] 
Dec 19 20:52:45.889 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.889 INFO [stderr]    --> src/main.rs:104:9
Dec 19 20:52:45.889 INFO [stderr]     |
Dec 19 20:52:45.889 INFO [stderr] 104 |     let mut ip1 = read_u8(&mut stream);
Dec 19 20:52:45.889 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.889 INFO [stderr]     |         |
Dec 19 20:52:45.889 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.889 INFO [stderr] 
Dec 19 20:52:45.889 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.889 INFO [stderr]    --> src/main.rs:105:9
Dec 19 20:52:45.889 INFO [stderr]     |
Dec 19 20:52:45.889 INFO [stderr] 105 |     let mut ip2 = read_u8(&mut stream);
Dec 19 20:52:45.889 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.889 INFO [stderr]     |         |
Dec 19 20:52:45.889 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.889 INFO [stderr] 
Dec 19 20:52:45.889 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.889 INFO [stderr]    --> src/main.rs:106:9
Dec 19 20:52:45.889 INFO [stderr]     |
Dec 19 20:52:45.889 INFO [stderr] 106 |     let mut ip3 = read_u8(&mut stream);
Dec 19 20:52:45.889 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.889 INFO [stderr]     |         |
Dec 19 20:52:45.889 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.889 INFO [stderr] 
Dec 19 20:52:45.889 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.889 INFO [stderr]    --> src/main.rs:107:9
Dec 19 20:52:45.889 INFO [stderr]     |
Dec 19 20:52:45.889 INFO [stderr] 107 |     let mut ip4 = read_u8(&mut stream);
Dec 19 20:52:45.889 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.889 INFO [stderr]     |         |
Dec 19 20:52:45.889 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.889 INFO [stderr] 
Dec 19 20:52:45.892 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:52:45.892 INFO [stderr]    --> src/main.rs:158:9
Dec 19 20:52:45.892 INFO [stderr]     |
Dec 19 20:52:45.893 INFO [stderr] 158 |     let mut buf: [u8; 128] = [0; 128];
Dec 19 20:52:45.893 INFO [stderr]     |         ----^^^
Dec 19 20:52:45.893 INFO [stderr]     |         |
Dec 19 20:52:45.893 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:85:9
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 85 |         copy(&mut target_stream_c, &mut client_stream_c);
Dec 19 20:52:45.893 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:86:9
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 86 |         target_stream_c.shutdown(Shutdown::Read);
Dec 19 20:52:45.893 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:87:9
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 87 |         client_stream_c.shutdown(Shutdown::Write);
Dec 19 20:52:45.893 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:90:5
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 90 |     copy(&mut client_stream, &mut target_stream);
Dec 19 20:52:45.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:91:5
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 91 |     target_stream.shutdown(Shutdown::Write);
Dec 19 20:52:45.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]   --> src/main.rs:92:5
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr] 92 |     client_stream.shutdown(Shutdown::Read);
Dec 19 20:52:45.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]    |
Dec 19 20:52:45.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]    --> src/main.rs:113:5
Dec 19 20:52:45.893 INFO [stderr]     |
Dec 19 20:52:45.893 INFO [stderr] 113 |     stream.write(&reply);
Dec 19 20:52:45.893 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.893 INFO [stderr]     |
Dec 19 20:52:45.893 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.893 INFO [stderr] 
Dec 19 20:52:45.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.893 INFO [stderr]    --> src/main.rs:125:5
Dec 19 20:52:45.893 INFO [stderr]     |
Dec 19 20:52:45.893 INFO [stderr] 125 |     stream.read(&mut buf);
Dec 19 20:52:45.893 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.894 INFO [stderr]     |
Dec 19 20:52:45.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.894 INFO [stderr] 
Dec 19 20:52:45.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.894 INFO [stderr]    --> src/main.rs:140:5
Dec 19 20:52:45.894 INFO [stderr]     |
Dec 19 20:52:45.894 INFO [stderr] 140 |     s.read(&mut buf);
Dec 19 20:52:45.894 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.894 INFO [stderr]     |
Dec 19 20:52:45.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.894 INFO [stderr] 
Dec 19 20:52:45.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:52:45.894 INFO [stderr]    --> src/main.rs:147:5
Dec 19 20:52:45.894 INFO [stderr]     |
Dec 19 20:52:45.894 INFO [stderr] 147 |     s.read(&mut buf);
Dec 19 20:52:45.894 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 20:52:45.894 INFO [stderr]     |
Dec 19 20:52:45.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:52:45.894 INFO [stderr] 
Dec 19 20:52:45.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 19 20:52:46.856 INFO running `"docker" "inspect" "0b55bc01ab5732962674f1702e1bc339bb056e2b29ad202f67aa6e00e73b6b47"`
Dec 19 20:52:47.102 INFO running `"docker" "rm" "-f" "0b55bc01ab5732962674f1702e1bc339bb056e2b29ad202f67aa6e00e73b6b47"`
Dec 19 20:52:47.496 INFO [stdout] 0b55bc01ab5732962674f1702e1bc339bb056e2b29ad202f67aa6e00e73b6b47