[INFO] cloning repository https://github.com/Pascal-So/protohackers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pascal-So/protohackers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPascal-So%2Fprotohackers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPascal-So%2Fprotohackers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1fbbdd6a79ae99c8740509102a9a12bd6f0437b
[INFO] building Pascal-So/protohackers against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPascal-So%2Fprotohackers" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Pascal-So/protohackers
[INFO] finished tweaking git repo https://github.com/Pascal-So/protohackers
[INFO] tweaked toml for git repo https://github.com/Pascal-So/protohackers written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Pascal-So/protohackers on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Pascal-So/protohackers 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b761ee5d2bb940b4d917a414dc096cfeb750418e7dd5517379c717f6a2a300b
[INFO] running `Command { std: "docker" "start" "-a" "0b761ee5d2bb940b4d917a414dc096cfeb750418e7dd5517379c717f6a2a300b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b761ee5d2bb940b4d917a414dc096cfeb750418e7dd5517379c717f6a2a300b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b761ee5d2bb940b4d917a414dc096cfeb750418e7dd5517379c717f6a2a300b", kill_on_drop: false }`
[INFO] [stdout] 0b761ee5d2bb940b4d917a414dc096cfeb750418e7dd5517379c717f6a2a300b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d07dc27e6052444c8ce2d7820b96204c13921bf1c9799092cfe5546716d57b4
[INFO] running `Command { std: "docker" "start" "-a" "9d07dc27e6052444c8ce2d7820b96204c13921bf1c9799092cfe5546716d57b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.5
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[INFO] [stderr]    Compiling deku_derive v0.18.1
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[INFO] [stderr]    Compiling protohackers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::tcp::JobCentre`
[INFO] [stdout]  --> src/t09_job_centre/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::tcp::JobCentre;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tcp::VcsServer`
[INFO] [stdout]  --> src/t10_voracious_code_storage/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tcp::VcsServer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/t08_insecure_sockets_layer.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 195 | /         loop {
[INFO] [stdout] 196 | |             let mut byte_buf = vec![0];
[INFO] [stdout] 197 | |             if let Err(e) = reader.read_exact(&mut byte_buf) {
[INFO] [stdout] 198 | |                 if e.kind() == io::ErrorKind::UnexpectedEof {
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 251 |
[INFO] [stdout] 252 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 47 |
[INFO] [stdout] 48 |     let shutdown = ShutdownController::new();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let shutdown = ShutdownController::new();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_done_sender` is never read
[INFO] [stdout]  --> src/shutdown.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct ShutdownToken {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 2 |     task_done_sender: tokio::sync::mpsc::Sender<()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/t09_job_centre/mod.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]  --> src/t09_job_centre/job_server.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Entry {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JobServer` is never constructed
[INFO] [stdout]   --> src/t09_job_centre/job_server.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct JobServer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/t09_job_centre/job_server.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl JobServer {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new() -> JobServer {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  29 |     pub fn put(&self, queue: String, job: Value, priority: i64) -> i64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn get_nonblocking(&self, queues: &[String], client_id: i32) -> Response {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     pub fn get_blocking(&self, queues: &[String], client_id: i32) -> Response {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn abort(&self, job_id: i64, client_id: i32) -> Result<Response, Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     pub fn delete(&self, job_id: i64) -> Response {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn client_disconnect(&self, client_id: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_job` is never used
[INFO] [stdout]    --> src/t09_job_centre/job_server.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn get_job(entries: &mut Vec<Entry>, queues: &[String], client_id: i32) -> Response {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Response` is never used
[INFO] [stdout]  --> src/t09_job_centre/messages.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Response {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/t09_job_centre/messages.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Response {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 19 |     pub fn to_json(&self) -> Value {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Request` is never used
[INFO] [stdout]   --> src/t09_job_centre/messages.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub enum Request {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_json` is never used
[INFO] [stdout]    --> src/t09_job_centre/messages.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl Request {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn from_json(val: &Value) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JobCentre` is never constructed
[INFO] [stdout]   --> src/t09_job_centre/tcp.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct JobCentre {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `process_line`, and `handle_disconnect` are never used
[INFO] [stdout]   --> src/t09_job_centre/tcp.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl JobCentre {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new() -> JobCentre {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn process_line(&self, line: String, client_id: i32) -> Result<Response, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn handle_disconnect(&self, client_id: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/t04_unusual_database_program.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Message<'a> {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Storage` is never constructed
[INFO] [stdout]  --> src/t10_voracious_code_storage/storage.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Storage {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Data = Vec<u8>;
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DirName` is never constructed
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DirName {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileName` is never constructed
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FileName {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revision` is never constructed
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Revision(Option<i32>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ListingEntry` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum ListingEntry {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StorageError` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum StorageError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `put`, and `list` are never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/storage.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Storage {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 41 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn get(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn put(&self, file_name: FileName, data: Vec<u8>) -> Result<Revision, StorageError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn list(&self, dir_name: &DirName) -> Vec<ListingEntry> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALID_NAME_CHARS` is never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/storage.rs:113:7
[INFO] [stdout]     |
[INFO] [stdout] 113 | const VALID_NAME_CHARS: &[u8] =
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/storage.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl DirName {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 117 |     pub fn new(name: &[u8]) -> Option<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_direct_child`, and `get_immediate_child_dir_of` are never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/storage.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl FileName {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 152 |     pub fn new(name: &[u8]) -> Option<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn is_direct_child(&self, dir: &DirName) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub fn get_immediate_child_dir_of(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_index`, and `index` are never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/storage.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl Revision {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 204 |     pub fn new(revision: &[u8]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn from_index(index: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     pub fn index(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_file` and `name` are never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/storage.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 246 | impl ListingEntry {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 247 |     pub fn from_file(file: &FileName, revision: Revision) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn name(&self) -> &[u8] {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vcs` is never constructed
[INFO] [stdout]  --> src/t10_voracious_code_storage/vcs.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Vcs {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `session` are never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/vcs.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Vcs {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn session(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Method` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/vcs.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | enum Method {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> src/t04_unusual_database_program.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parse_message<'a>(msg: &'a [u8]) -> Message<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `server` is never used
[INFO] [stdout]   --> src/t04_unusual_database_program.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn server(port: u16, mut shutdown_token: ShutdownToken) -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TONY` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const TONY: &str = "7YWHMfk9JZe0LM0g1ZauHuiSxhI";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERVER` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SERVER: &str = "chat.protohackers.com:16963";
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REGEX` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const REGEX: &str = "7[[:alnum:]]{25,34}";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn replace<'a>(input: &'a str, regex: &Regex) -> Cow<'a, str> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SESSION_EXPIRY_TIMEOUT` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SESSION_EXPIRY_TIMEOUT: Duration = Duration::from_secs(60);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RETRANSMISSION_TIMEOUT` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const RETRANSMISSION_TIMEOUT: Duration = Duration::from_secs(1);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_MESSAGE_LEN` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const MAX_MESSAGE_LEN: usize = 1000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SessionId` is never constructed
[INFO] [stdout]   --> src/t07_line_reversal.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct SessionId(i32);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slash_escape` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn slash_escape(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slash_unescape` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn slash_unescape(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LRCPMessage` is never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum LRCPMessage {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse` and `serialize` are never used
[INFO] [stdout]   --> src/t07_line_reversal.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl LRCPMessage {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn parse(input: &str) -> Option<(SessionId, LRCPMessage)> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     fn serialize(&self, session_id: SessionId) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_lrcp_session` is never used
[INFO] [stdout]    --> src/t07_line_reversal.rs:110:10
[INFO] [stdout]     |
[INFO] [stdout] 110 | async fn handle_lrcp_session(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `server` is never used
[INFO] [stdout]    --> src/t07_line_reversal.rs:256:14
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub async fn server(port: u16) -> std::io::Result<()> {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/t08_insecure_sockets_layer.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Op {
[INFO] [stdout]    |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/t08_insecure_sockets_layer.rs:39:12
[INFO] [stdout]     |
[INFO] [stdout]  38 | impl Op {
[INFO] [stdout]     | ------- associated items in this implementation
[INFO] [stdout]  39 |     pub fn apply(&self, mut input: u8, pos: usize) -> u8 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn unapply(&self, input: u8, pos: usize) -> u8 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn apply_list(list: &[Self], input: u8, pos: usize) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub fn unapply_list(list: &[Self], input: u8, pos: usize) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub fn compact_list(list: &[Self]) -> Vec<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn is_identity_list_exhaustive(list: &[Self]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn is_identity_list_fast(list: &[Self]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_ops` is never used
[INFO] [stdout]    --> src/t08_insecure_sockets_layer.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn parse_ops(mut stream: impl io::Read) -> io::Result<Vec<Op>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ISLServer` is never constructed
[INFO] [stdout]    --> src/t08_insecure_sockets_layer.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct ISLServer;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Response` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/vcs.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Response {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/vcs.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/vcs.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Method {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 119 |     fn read(reader: &mut impl BufRead) -> Result<Self, Error> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/vcs.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl Error {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 181 |     fn write(&self, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/t10_voracious_code_storage/vcs.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl Response {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 207 |     fn write(&self, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VcsServer` is never constructed
[INFO] [stdout]  --> src/t10_voracious_code_storage/tcp.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct VcsServer {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/t10_voracious_code_storage/tcp.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl VcsServer {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoServer` is never constructed
[INFO] [stdout]   --> src/t00_smoke_test.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct EchoServer;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_number` is never used
[INFO] [stdout]   --> src/t01_prime_time.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_number(val: &Value) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_line` is never used
[INFO] [stdout]   --> src/t01_prime_time.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn handle_line(line: &str, client_id: i32) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t01_prime_time.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t02_means_to_an_end.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.82s
[INFO] running `Command { std: "docker" "inspect" "9d07dc27e6052444c8ce2d7820b96204c13921bf1c9799092cfe5546716d57b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d07dc27e6052444c8ce2d7820b96204c13921bf1c9799092cfe5546716d57b4", kill_on_drop: false }`
[INFO] [stdout] 9d07dc27e6052444c8ce2d7820b96204c13921bf1c9799092cfe5546716d57b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ece951a3a025556b707e85ff37b9f862504c21748493d137fb05e27b0a4b5e
[INFO] running `Command { std: "docker" "start" "-a" "e1ece951a3a025556b707e85ff37b9f862504c21748493d137fb05e27b0a4b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling is_prime v2.0.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling proptest-derive v0.5.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling deku_derive v0.18.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling deku v0.18.1
[INFO] [stderr]    Compiling proptest v1.5.0
[INFO] [stderr]    Compiling protohackers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::tcp::JobCentre`
[INFO] [stdout]  --> src/t09_job_centre/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::tcp::JobCentre;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tcp::VcsServer`
[INFO] [stdout]  --> src/t10_voracious_code_storage/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tcp::VcsServer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/t08_insecure_sockets_layer.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 195 | /         loop {
[INFO] [stdout] 196 | |             let mut byte_buf = vec![0];
[INFO] [stdout] 197 | |             if let Err(e) = reader.read_exact(&mut byte_buf) {
[INFO] [stdout] 198 | |                 if e.kind() == io::ErrorKind::UnexpectedEof {
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 251 |
[INFO] [stdout] 252 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 47 |
[INFO] [stdout] 48 |     let shutdown = ShutdownController::new();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let shutdown = ShutdownController::new();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_done_sender` is never read
[INFO] [stdout]  --> src/shutdown.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct ShutdownToken {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 2 |     task_done_sender: tokio::sync::mpsc::Sender<()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/t04_unusual_database_program.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Message<'a> {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t01_prime_time.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `server` is never used
[INFO] [stdout]    --> src/t07_line_reversal.rs:256:14
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub async fn server(port: u16) -> std::io::Result<()> {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_message` is never used
[INFO] [stdout]   --> src/t04_unusual_database_program.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parse_message<'a>(msg: &'a [u8]) -> Message<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `server` is never used
[INFO] [stdout]   --> src/t04_unusual_database_program.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn server(port: u16, mut shutdown_token: ShutdownToken) -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SERVER` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SERVER: &str = "chat.protohackers.com:16963";
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t05_mob_in_the_middle.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/t02_means_to_an_end.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub async fn handle_connection(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.80s
[INFO] running `Command { std: "docker" "inspect" "e1ece951a3a025556b707e85ff37b9f862504c21748493d137fb05e27b0a4b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ece951a3a025556b707e85ff37b9f862504c21748493d137fb05e27b0a4b5e", kill_on_drop: false }`
[INFO] [stdout] e1ece951a3a025556b707e85ff37b9f862504c21748493d137fb05e27b0a4b5e