[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] testing Knight-Ops/tftp-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Ftftp-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Knight-Ops/tftp-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-13/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: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e8acef3589b3ade9943c835203600fa2db0d6f1743f72a82159662420744792
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e8acef3589b3ade9943c835203600fa2db0d6f1743f72a82159662420744792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8acef3589b3ade9943c835203600fa2db0d6f1743f72a82159662420744792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8acef3589b3ade9943c835203600fa2db0d6f1743f72a82159662420744792", kill_on_drop: false }`
[INFO] [stdout] 6e8acef3589b3ade9943c835203600fa2db0d6f1743f72a82159662420744792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08da00492dc4225b8a64fa7f1b5720735d29e56c736c5758bfaf8e41f31ff44c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08da00492dc4225b8a64fa7f1b5720735d29e56c736c5758bfaf8e41f31ff44c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling logging-allocator v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling 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: 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 is never read: `opcode`
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     opcode: OpCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     filename: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     mode: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:264:8
[INFO] [stdout]     |
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 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] 20 | |
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "08da00492dc4225b8a64fa7f1b5720735d29e56c736c5758bfaf8e41f31ff44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08da00492dc4225b8a64fa7f1b5720735d29e56c736c5758bfaf8e41f31ff44c", kill_on_drop: false }`
[INFO] [stdout] 08da00492dc4225b8a64fa7f1b5720735d29e56c736c5758bfaf8e41f31ff44c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e528b161154f680573f25e3550f6011f2594f71e2a9310b151a09a4224f83260
[INFO] running `Command { std: "docker" "start" "-a" "e528b161154f680573f25e3550f6011f2594f71e2a9310b151a09a4224f83260", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 is never read: `opcode`
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     opcode: OpCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     filename: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     mode: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:264:8
[INFO] [stdout]     |
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[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/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] 20 | |
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[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] 
[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] 
[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 is never read: `opcode`
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     opcode: OpCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     filename: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     mode: CString,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opcode`
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     opcode: OpCode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]    --> src/lib.rs:264:8
[INFO] [stdout]     |
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e528b161154f680573f25e3550f6011f2594f71e2a9310b151a09a4224f83260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e528b161154f680573f25e3550f6011f2594f71e2a9310b151a09a4224f83260", kill_on_drop: false }`
[INFO] [stdout] e528b161154f680573f25e3550f6011f2594f71e2a9310b151a09a4224f83260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b74b7d0235e8e90703adb4a7ee84118378fe569e266320058daff76caae07bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b74b7d0235e8e90703adb4a7ee84118378fe569e266320058daff76caae07bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `unreachable`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     unreachable,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match opcode {
[INFO] [stderr] 44 | |             OpCode::ReadRequest => {
[INFO] [stderr] 45 | |                 run_guarded(|| info!("Opcode : {:?}", opcode));
[INFO] [stderr] 46 | |                 return Ok(Self::ReadRequest(ReadRequestPacket::try_from(&input[2..])?));
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |             }
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 67 | 
[INFO] [stderr] 68 |           Err(ParsingError::NotEnoughData)
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp_socket`
[INFO] [stderr]    --> src/lib.rs:503:13
[INFO] [stderr]     |
[INFO] [stderr] 503 |         let tmp_socket = UdpSocket::bind("localhost:0").map_err(|_| ParsingError::SocketError)?;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_socket`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]    --> src/lib.rs:499:9
[INFO] [stderr]     |
[INFO] [stderr] 499 |         dst: SocketAddr,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wrq`
[INFO] [stderr]    --> src/lib.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         wrq: WriteRequestPacket,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_wrq`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opcode`
[INFO] [stderr]   --> src/lib.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     opcode: OpCode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `serialize`
[INFO] [stderr]    --> src/lib.rs:109:8
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opcode`
[INFO] [stderr]    --> src/lib.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     opcode: OpCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]    --> src/lib.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     filename: CString,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mode`
[INFO] [stderr]    --> src/lib.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     mode: CString,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `serialize`
[INFO] [stderr]    --> src/lib.rs:166:8
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opcode`
[INFO] [stderr]    --> src/lib.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     opcode: OpCode,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `serialize`
[INFO] [stderr]    --> src/lib.rs:264:8
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn serialize(&self) -> (usize, [u8; BUFFER_SIZE]) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:429:13
[INFO] [stderr]     |
[INFO] [stderr] 429 |             self.send_error(&tmp_socket, &dst, ErrorCode::FileNotFound);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         s.send_to(&buf[0..size], dst);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `tftp-rs` (lib) generated 15 warnings
[INFO] [stderr] warning: `tftp-rs` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     loop {
[INFO] [stderr] 18 | |         let mut buf = [0; 4096];
[INFO] [stderr] 19 | |         let (_, src) = socket.recv_from(&mut buf)?;
[INFO] [stderr] 20 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         }
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 48 | 
[INFO] [stderr] 49 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:29
[INFO] [stderr]    |
[INFO] [stderr] 28 | ...                   tftp.handle_read_request(src.to_owned(), rrq);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 | ...                   tftp.handle_write_request(src.to_owned(), wrq);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |                         tftp_rs::send_error(src, "Don't wanna parse");
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 tftp_rs::send_error(src, "Invalid Initial Request");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `tftp-rs` (bin "tftp-rs" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tftp_rs-17d41db7c928d1c7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tftp_rs-37073f6749c65302)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tftp-rs
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b74b7d0235e8e90703adb4a7ee84118378fe569e266320058daff76caae07bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b74b7d0235e8e90703adb4a7ee84118378fe569e266320058daff76caae07bd", kill_on_drop: false }`
[INFO] [stdout] 1b74b7d0235e8e90703adb4a7ee84118378fe569e266320058daff76caae07bd