[INFO] cloning repository https://github.com/vorkutavorkutlag/rustktorrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vorkutavorkutlag/rustktorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorkutavorkutlag%2Frustktorrent", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bad07c558fa2ec650290d08fe47d43db4877456
[INFO] checking vorkutavorkutlag/rustktorrent against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorkutavorkutlag%2Frustktorrent" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vorkutavorkutlag/rustktorrent
[INFO] finished tweaking git repo https://github.com/vorkutavorkutlag/rustktorrent
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vorkutavorkutlag/rustktorrent 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process, str, sync::{Arc, Mutex}};
[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: `Mutex`
[INFO] [stdout]  --> src/peers.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::{TcpStream, SocketAddrV4}, error::Error, sync::{Arc, Mutex}, io::prelude::*};
[INFO] [stdout]   |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process, str, sync::{Arc, Mutex}};
[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: `Mutex`
[INFO] [stdout]  --> src/peers.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::{TcpStream, SocketAddrV4}, error::Error, sync::{Arc, Mutex}, io::prelude::*};
[INFO] [stdout]   |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tracker.rs:298:33
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub async fn start_tracker_comm(mut ti: Arc<TorrentInfo>, tx: mpsc::Sender<Vec<SocketAddrV4>>) -> () {
[INFO] [stdout]     |                                 ----^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tracker.rs:310:11
[INFO] [stdout]     |
[INFO] [stdout] 310 |       let mut tracker: Tracker = Tracker 
[INFO] [stdout]     |           ----^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/peers.rs:72:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | /   match BittorrentConstants::try_from(response_data[1])? {
[INFO] [stdout] 66 | |     BittorrentConstants::Choke => todo!(),
[INFO] [stdout] 67 | |     BittorrentConstants::Unchoke => todo!(),
[INFO] [stdout] 68 | |     BittorrentConstants::Bitfield => todo!(),
[INFO] [stdout] 69 | |     _ => todo!()
[INFO] [stdout] 70 | |   }
[INFO] [stdout]    | |___- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 71 |
[INFO] [stdout] 72 |     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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let mut ti: Arc<TorrentInfo> = Arc::new(TorrentInfo {
[INFO] [stdout]    |       ----^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_length`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     piece_length,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `interested_msg` is never used
[INFO] [stdout]   --> src/peers.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn interested_msg(mut t_peer: &TcpStream, ti: &Arc<TorrentInfo>) -> Result<(), String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_pieces` and `pieces` are never read
[INFO] [stdout]   --> src/structs_enums.rs:7:7
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct TorrentInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  7 |   pub num_pieces: u64,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |   pub pieces: Vec<u8>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TorrentInfo` 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: enum `BittorrentConstants` is never used
[INFO] [stdout]   --> src/structs_enums.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum BittorrentConstants {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EVENT` should have a snake case name
[INFO] [stdout]    --> src/tracker.rs:229:7
[INFO] [stdout]     |
[INFO] [stdout] 229 |   let EVENT: u32 = 2;    // temporary, should be dynamically decided as started, completed, stopped (2, 1, 3)
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to snake case: `event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tracker.rs:298:33
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub async fn start_tracker_comm(mut ti: Arc<TorrentInfo>, tx: mpsc::Sender<Vec<SocketAddrV4>>) -> () {
[INFO] [stdout]     |                                 ----^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tracker.rs:310:11
[INFO] [stdout]     |
[INFO] [stdout] 310 |       let mut tracker: Tracker = Tracker 
[INFO] [stdout]     |           ----^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/peers.rs:72:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | /   match BittorrentConstants::try_from(response_data[1])? {
[INFO] [stdout] 66 | |     BittorrentConstants::Choke => todo!(),
[INFO] [stdout] 67 | |     BittorrentConstants::Unchoke => todo!(),
[INFO] [stdout] 68 | |     BittorrentConstants::Bitfield => todo!(),
[INFO] [stdout] 69 | |     _ => todo!()
[INFO] [stdout] 70 | |   }
[INFO] [stdout]    | |___- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 71 |
[INFO] [stdout] 72 |     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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let mut ti: Arc<TorrentInfo> = Arc::new(TorrentInfo {
[INFO] [stdout]    |       ----^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_length`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     piece_length,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `interested_msg` is never used
[INFO] [stdout]   --> src/peers.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn interested_msg(mut t_peer: &TcpStream, ti: &Arc<TorrentInfo>) -> Result<(), String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_pieces` and `pieces` are never read
[INFO] [stdout]   --> src/structs_enums.rs:7:7
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct TorrentInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  7 |   pub num_pieces: u64,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |   pub pieces: Vec<u8>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TorrentInfo` 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: enum `BittorrentConstants` is never used
[INFO] [stdout]   --> src/structs_enums.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum BittorrentConstants {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EVENT` should have a snake case name
[INFO] [stdout]    --> src/tracker.rs:229:7
[INFO] [stdout]     |
[INFO] [stdout] 229 |   let EVENT: u32 = 2;    // temporary, should be dynamically decided as started, completed, stopped (2, 1, 3)
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to snake case: `event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "88a32c0f39a8a4b264bd1f98dff870522e4ad65e24b258cd882c066331fd3729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a32c0f39a8a4b264bd1f98dff870522e4ad65e24b258cd882c066331fd3729", kill_on_drop: false }`
[INFO] [stdout] 88a32c0f39a8a4b264bd1f98dff870522e4ad65e24b258cd882c066331fd3729
