[INFO] cloning repository https://github.com/Knight-Ops/tftp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Knight-Ops/tftp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Ftftp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Ftftp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64117b7c7264eba95f755e3b99d0e5f911cc1c63
[INFO] checking Knight-Ops/tftp-rs/64117b7c7264eba95f755e3b99d0e5f911cc1c63 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Ftftp-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Knight-Ops/tftp-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Knight-Ops/tftp-rs
[INFO] finished tweaking git repo https://github.com/Knight-Ops/tftp-rs
[INFO] tweaked toml for git repo https://github.com/Knight-Ops/tftp-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Knight-Ops/tftp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.11.0
[INFO] [stderr]   Downloaded logging-allocator v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b2d519d853dd8a4f779cf52cd5cc0a5caf86e18150bfb49521131e7b4e35b8
[INFO] running `Command { std: "docker" "start" "-a" "d9b2d519d853dd8a4f779cf52cd5cc0a5caf86e18150bfb49521131e7b4e35b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b2d519d853dd8a4f779cf52cd5cc0a5caf86e18150bfb49521131e7b4e35b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b2d519d853dd8a4f779cf52cd5cc0a5caf86e18150bfb49521131e7b4e35b8", kill_on_drop: false }`
[INFO] [stdout] d9b2d519d853dd8a4f779cf52cd5cc0a5caf86e18150bfb49521131e7b4e35b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f65c192d6e23a52ca70d5923c4700aca830ab71ad28b983a59d049a55a07c2d
[INFO] running `Command { std: "docker" "start" "-a" "7f65c192d6e23a52ca70d5923c4700aca830ab71ad28b983a59d049a55a07c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking logging-allocator v0.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking tftp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unreachable`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     unreachable,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unreachable`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     unreachable,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         match opcode {
[INFO] [stdout] 44 | |             OpCode::ReadRequest => {
[INFO] [stdout] 45 | |                 run_guarded(|| info!("Opcode : {:?}", opcode));
[INFO] [stdout] 46 | |                 return Ok(Self::ReadRequest(ReadRequestPacket::try_from(&input[2..])?));
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |             }
[INFO] [stdout] 66 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 67 |
[INFO] [stdout] 68 |           Err(ParsingError::NotEnoughData)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         match opcode {
[INFO] [stdout] 44 | |             OpCode::ReadRequest => {
[INFO] [stdout] 45 | |                 run_guarded(|| info!("Opcode : {:?}", opcode));
[INFO] [stdout] 46 | |                 return Ok(Self::ReadRequest(ReadRequestPacket::try_from(&input[2..])?));
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |             }
[INFO] [stdout] 66 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 67 |
[INFO] [stdout] 68 |           Err(ParsingError::NotEnoughData)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp_socket`
[INFO] [stdout]    --> src/lib.rs:503:13
[INFO] [stdout]     |
[INFO] [stdout] 503 |         let tmp_socket = UdpSocket::bind("localhost:0").map_err(|_| ParsingError::SocketError)?;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_socket`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dst`
[INFO] [stdout]    --> src/lib.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         dst: SocketAddr,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrq`
[INFO] [stdout]    --> src/lib.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         wrq: WriteRequestPacket,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_wrq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct ReadRequestPacket {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 74 |     opcode: OpCode,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadRequestPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl ReadRequestPacket {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `opcode`, `filename`, and `mode` are never read
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct WriteRequestPacket {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 131 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     filename: CString,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 133 |     mode: CString,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WriteRequestPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl WriteRequestPacket {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub struct AckPacket {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 240 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AckPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | impl AckPacket {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 264 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp_socket`
[INFO] [stdout]    --> src/lib.rs:503:13
[INFO] [stdout]     |
[INFO] [stdout] 503 |         let tmp_socket = UdpSocket::bind("localhost:0").map_err(|_| ParsingError::SocketError)?;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_socket`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dst`
[INFO] [stdout]    --> src/lib.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         dst: SocketAddr,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrq`
[INFO] [stdout]    --> src/lib.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         wrq: WriteRequestPacket,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_wrq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:429:13
[INFO] [stdout]     |
[INFO] [stdout] 429 |             self.send_error(&tmp_socket, &dst, ErrorCode::FileNotFound);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 429 |             let _ = self.send_error(&tmp_socket, &dst, ErrorCode::FileNotFound);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct ReadRequestPacket {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 74 |     opcode: OpCode,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadRequestPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         s.send_to(&buf[0..size], dst);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let _ = s.send_to(&buf[0..size], dst);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl ReadRequestPacket {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `opcode`, `filename`, and `mode` are never read
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct WriteRequestPacket {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 131 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     filename: CString,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 133 |     mode: CString,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WriteRequestPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl WriteRequestPacket {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub struct AckPacket {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 240 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AckPacket` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | impl AckPacket {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 264 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:429:13
[INFO] [stdout]     |
[INFO] [stdout] 429 |             self.send_error(&tmp_socket, &dst, ErrorCode::FileNotFound);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 429 |             let _ = self.send_error(&tmp_socket, &dst, ErrorCode::FileNotFound);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         s.send_to(&buf[0..size], dst);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let _ = s.send_to(&buf[0..size], dst);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     loop {
[INFO] [stdout] 18 | |         let mut buf = [0; 4096];
[INFO] [stdout] 19 | |         let (_, src) = socket.recv_from(&mut buf)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         }
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     loop {
[INFO] [stdout] 18 | |         let mut buf = [0; 4096];
[INFO] [stdout] 19 | |         let (_, src) = socket.recv_from(&mut buf)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         }
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   tftp.handle_read_request(src.to_owned(), rrq);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                             let _ = tftp.handle_read_request(src.to_owned(), rrq);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   tftp.handle_write_request(src.to_owned(), wrq);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                             let _ = tftp.handle_write_request(src.to_owned(), wrq);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         tftp_rs::send_error(src, "Don't wanna parse");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = tftp_rs::send_error(src, "Don't wanna parse");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 tftp_rs::send_error(src, "Invalid Initial Request");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let _ = tftp_rs::send_error(src, "Invalid Initial Request");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   tftp.handle_read_request(src.to_owned(), rrq);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                             let _ = tftp.handle_read_request(src.to_owned(), rrq);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   tftp.handle_write_request(src.to_owned(), wrq);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                             let _ = tftp.handle_write_request(src.to_owned(), wrq);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         tftp_rs::send_error(src, "Don't wanna parse");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = tftp_rs::send_error(src, "Don't wanna parse");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 tftp_rs::send_error(src, "Invalid Initial Request");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let _ = tftp_rs::send_error(src, "Invalid Initial Request");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "7f65c192d6e23a52ca70d5923c4700aca830ab71ad28b983a59d049a55a07c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f65c192d6e23a52ca70d5923c4700aca830ab71ad28b983a59d049a55a07c2d", kill_on_drop: false }`
[INFO] [stdout] 7f65c192d6e23a52ca70d5923c4700aca830ab71ad28b983a59d049a55a07c2d