[INFO] cloning repository https://github.com/Oxydros/rustsftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oxydros/rustsftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOxydros%2Frustsftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOxydros%2Frustsftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54760278d960335dd1a18133c9211e5f1cc15a9b
[INFO] checking Oxydros/rustsftp against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOxydros%2Frustsftp" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Oxydros/rustsftp on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Oxydros/rustsftp
[INFO] finished tweaking git repo https://github.com/Oxydros/rustsftp
[INFO] tweaked toml for git repo https://github.com/Oxydros/rustsftp written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/Oxydros/rustsftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2732462e5aa105cdc75128659bcffef20905e0865006fb1aa8c25b4978e84a0
[INFO] running `Command { std: "docker" "start" "-a" "e2732462e5aa105cdc75128659bcffef20905e0865006fb1aa8c25b4978e84a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2732462e5aa105cdc75128659bcffef20905e0865006fb1aa8c25b4978e84a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2732462e5aa105cdc75128659bcffef20905e0865006fb1aa8c25b4978e84a0", kill_on_drop: false }`
[INFO] [stdout] e2732462e5aa105cdc75128659bcffef20905e0865006fb1aa8c25b4978e84a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7701ebd52bb25bcb1c0ca69c452743ec4edb34c7831052c710b18dc66597520a
[INFO] running `Command { std: "docker" "start" "-a" "7701ebd52bb25bcb1c0ca69c452743ec4edb34c7831052c710b18dc66597520a", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking rustsftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::string::String`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::{BytesMut, BufMut, Buf};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::String`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::{BytesMut, BufMut, Buf};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn handle_init(stdin : &mut std::io::Stdin, out : &mut File, buf : &mut bytes::BytesMut) -> io::Result<()> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn handle_realpath(stdin : &mut std::io::Stdin, out : &mut File, buf : &mut bytes::BytesMut) -> io::Result<()> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_OPEN`
[INFO] [stdout]  --> src/packet.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const SSH_FXP_OPEN : u8 = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_CLOSE`
[INFO] [stdout]  --> src/packet.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const SSH_FXP_CLOSE : u8 = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READ`
[INFO] [stdout]  --> src/packet.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SSH_FXP_READ : u8 = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_WRITE`
[INFO] [stdout]  --> src/packet.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const SSH_FXP_WRITE : u8 = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_LSTAT`
[INFO] [stdout]  --> src/packet.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const SSH_FXP_LSTAT : u8 = 7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_FSTAT`
[INFO] [stdout]   --> src/packet.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const SSH_FXP_FSTAT : u8 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_SETSTAT`
[INFO] [stdout]   --> src/packet.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const SSH_FXP_SETSTAT : u8 = 9;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_FSETSTAT`
[INFO] [stdout]   --> src/packet.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const SSH_FXP_FSETSTAT : u8 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_OPENDIR`
[INFO] [stdout]   --> src/packet.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const SSH_FXP_OPENDIR : u8 = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READDIR`
[INFO] [stdout]   --> src/packet.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const SSH_FXP_READDIR : u8 = 12;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_REMOVE`
[INFO] [stdout]   --> src/packet.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const SSH_FXP_REMOVE : u8 = 13;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_MKDIR`
[INFO] [stdout]   --> src/packet.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SSH_FXP_MKDIR : u8 = 14;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_RMDIR`
[INFO] [stdout]   --> src/packet.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SSH_FXP_RMDIR : u8 = 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_STAT`
[INFO] [stdout]   --> src/packet.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const SSH_FXP_STAT : u8 = 17;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_RENAME`
[INFO] [stdout]   --> src/packet.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const SSH_FXP_RENAME : u8 = 18;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READLINK`
[INFO] [stdout]   --> src/packet.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const SSH_FXP_READLINK : u8 = 19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_SYMLINK`
[INFO] [stdout]   --> src/packet.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const SSH_FXP_SYMLINK : u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_STATUS`
[INFO] [stdout]   --> src/packet.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const SSH_FXP_STATUS : u8 = 101;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_HANDLE`
[INFO] [stdout]   --> src/packet.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const SSH_FXP_HANDLE : u8 = 102;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_DATA`
[INFO] [stdout]   --> src/packet.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SSH_FXP_DATA : u8 = 103;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_ATTRS`
[INFO] [stdout]   --> src/packet.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SSH_FXP_ATTRS : u8 = 105;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_EXTENDED`
[INFO] [stdout]   --> src/packet.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const SSH_FXP_EXTENDED : u8 = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_EXTENDED_REPLY`
[INFO] [stdout]   --> src/packet.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const SSH_FXP_EXTENDED_REPLY : u8 = 201;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Packet`
[INFO] [stdout]   --> src/packet.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Packet {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     writeln!(out, "Handling INIT !");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     writeln!(out, "Got SSH FTP Procotol v{}", version_number);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     writeln!(out, "Sending answer packet {:X?} of size {}", answer, size);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writeln!(out, "Wrote {} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     writeln!(out, "Wrote {} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     writeln!(out, "Handling  SSH_FXP_REALPATH!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     writeln!(out, "Got REQ ID {}, 2 is {}", req_id, req_id_2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     writeln!(out, "Path is {:?}", original_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     writeln!(out, "Real is {:?}", realpath);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     writeln!(out, "Sending answer packet {:X?} of size {}", answer, size);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     writeln!(out, "Wrote {:?} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     writeln!(out, "Wrote {:?} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         writeln!(out, "Got packet of size {}", packet_size);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         writeln!(out, "Got packet type {:X?}", packet_type);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         writeln!(out, "Packet content: {:?}", buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn handle_init(stdin : &mut std::io::Stdin, out : &mut File, buf : &mut bytes::BytesMut) -> io::Result<()> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn handle_realpath(stdin : &mut std::io::Stdin, out : &mut File, buf : &mut bytes::BytesMut) -> io::Result<()> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_OPEN`
[INFO] [stdout]  --> src/packet.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const SSH_FXP_OPEN : u8 = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_CLOSE`
[INFO] [stdout]  --> src/packet.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const SSH_FXP_CLOSE : u8 = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READ`
[INFO] [stdout]  --> src/packet.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SSH_FXP_READ : u8 = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_WRITE`
[INFO] [stdout]  --> src/packet.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const SSH_FXP_WRITE : u8 = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_LSTAT`
[INFO] [stdout]  --> src/packet.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const SSH_FXP_LSTAT : u8 = 7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_FSTAT`
[INFO] [stdout]   --> src/packet.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const SSH_FXP_FSTAT : u8 = 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_SETSTAT`
[INFO] [stdout]   --> src/packet.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const SSH_FXP_SETSTAT : u8 = 9;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_FSETSTAT`
[INFO] [stdout]   --> src/packet.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const SSH_FXP_FSETSTAT : u8 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_OPENDIR`
[INFO] [stdout]   --> src/packet.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const SSH_FXP_OPENDIR : u8 = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READDIR`
[INFO] [stdout]   --> src/packet.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const SSH_FXP_READDIR : u8 = 12;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_REMOVE`
[INFO] [stdout]   --> src/packet.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const SSH_FXP_REMOVE : u8 = 13;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_MKDIR`
[INFO] [stdout]   --> src/packet.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SSH_FXP_MKDIR : u8 = 14;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_RMDIR`
[INFO] [stdout]   --> src/packet.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SSH_FXP_RMDIR : u8 = 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_STAT`
[INFO] [stdout]   --> src/packet.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const SSH_FXP_STAT : u8 = 17;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_RENAME`
[INFO] [stdout]   --> src/packet.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const SSH_FXP_RENAME : u8 = 18;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_READLINK`
[INFO] [stdout]   --> src/packet.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const SSH_FXP_READLINK : u8 = 19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_SYMLINK`
[INFO] [stdout]   --> src/packet.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const SSH_FXP_SYMLINK : u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_STATUS`
[INFO] [stdout]   --> src/packet.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const SSH_FXP_STATUS : u8 = 101;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_HANDLE`
[INFO] [stdout]   --> src/packet.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const SSH_FXP_HANDLE : u8 = 102;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_DATA`
[INFO] [stdout]   --> src/packet.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SSH_FXP_DATA : u8 = 103;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_ATTRS`
[INFO] [stdout]   --> src/packet.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SSH_FXP_ATTRS : u8 = 105;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_EXTENDED`
[INFO] [stdout]   --> src/packet.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const SSH_FXP_EXTENDED : u8 = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SSH_FXP_EXTENDED_REPLY`
[INFO] [stdout]   --> src/packet.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const SSH_FXP_EXTENDED_REPLY : u8 = 201;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Packet`
[INFO] [stdout]   --> src/packet.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Packet {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     writeln!(out, "Handling INIT !");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     writeln!(out, "Got SSH FTP Procotol v{}", version_number);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     writeln!(out, "Sending answer packet {:X?} of size {}", answer, size);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writeln!(out, "Wrote {} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     writeln!(out, "Wrote {} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     writeln!(out, "Handling  SSH_FXP_REALPATH!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     writeln!(out, "Got REQ ID {}, 2 is {}", req_id, req_id_2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     writeln!(out, "Path is {:?}", original_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     writeln!(out, "Real is {:?}", realpath);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     writeln!(out, "Sending answer packet {:X?} of size {}", answer, size);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     writeln!(out, "Wrote {:?} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     writeln!(out, "Wrote {:?} bytes", w);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         writeln!(out, "Got packet of size {}", packet_size);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         writeln!(out, "Got packet type {:X?}", packet_type);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         writeln!(out, "Packet content: {:?}", buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "7701ebd52bb25bcb1c0ca69c452743ec4edb34c7831052c710b18dc66597520a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7701ebd52bb25bcb1c0ca69c452743ec4edb34c7831052c710b18dc66597520a", kill_on_drop: false }`
[INFO] [stdout] 7701ebd52bb25bcb1c0ca69c452743ec4edb34c7831052c710b18dc66597520a