[INFO] updating cached repository zgotsch/rs-blockchain [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zgotsch/rs-blockchain [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zgotsch/rs-blockchain" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zgotsch/rs-blockchain"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zgotsch/rs-blockchain'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zgotsch/rs-blockchain" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zgotsch/rs-blockchain"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zgotsch/rs-blockchain'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4bea80ea6cb34595ba47d68f2ce429b15334fa96 [INFO] sha for GitHub repo zgotsch/rs-blockchain: 4bea80ea6cb34595ba47d68f2ce429b15334fa96 [INFO] validating manifest of zgotsch/rs-blockchain on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zgotsch/rs-blockchain on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zgotsch/rs-blockchain [INFO] finished frobbing zgotsch/rs-blockchain [INFO] frobbed toml for zgotsch/rs-blockchain written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zgotsch/rs-blockchain/Cargo.toml [INFO] started frobbing zgotsch/rs-blockchain [INFO] finished frobbing zgotsch/rs-blockchain [INFO] frobbed toml for zgotsch/rs-blockchain written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zgotsch/rs-blockchain/Cargo.toml [INFO] crate zgotsch/rs-blockchain already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zgotsch/rs-blockchain against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zgotsch/rs-blockchain:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cbffed5ecb67da136f43e03c9ce57d9ef81d259502b469171d3eabbe40615f67 [INFO] running `"docker" "start" "-a" "cbffed5ecb67da136f43e03c9ce57d9ef81d259502b469171d3eabbe40615f67"` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling gcc v0.3.50 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking serde v1.0.8 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking getopts v0.2.14 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Checking time v0.1.37 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking naivechain-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/block.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | let mut buf = &mut [0; 8]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `next_message_size` [INFO] [stderr] --> src/connection.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | next_message_size: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/block.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | let mut buf = &mut [0; 8]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `next_message_size` [INFO] [stderr] --> src/connection.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | next_message_size: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/bin/nameserver.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stderr] --> src/bin/nameserver.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::net::ToSocketAddrs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ClientMessage` [INFO] [stderr] --> src/bin/nameserver.rs:12:30 [INFO] [stderr] | [INFO] [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/bin/nameserver.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stderr] --> src/bin/nameserver.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::net::ToSocketAddrs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ClientMessage` [INFO] [stderr] --> src/bin/nameserver.rs:12:30 [INFO] [stderr] | [INFO] [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/bin/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/bin/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/bin/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stderr] --> src/bin/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use std::net::ToSocketAddrs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Infinite`, `serialize` [INFO] [stderr] --> src/bin/main.rs:24:15 [INFO] [stderr] | [INFO] [stderr] 24 | use bincode::{serialize, deserialize, Infinite}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/bin/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/bin/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/bin/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stderr] --> src/bin/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use std::net::ToSocketAddrs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Infinite`, `serialize` [INFO] [stderr] --> src/bin/main.rs:24:15 [INFO] [stderr] | [INFO] [stderr] 24 | use bincode::{serialize, deserialize, Infinite}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/bin/nameserver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/bin/nameserver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bin/main.rs:315:21 [INFO] [stderr] | [INFO] [stderr] 315 | Ok(_) => {println!("Unhandled command");}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver"); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:206:9 [INFO] [stderr] | [INFO] [stderr] 206 | let mut peers: Arc>>>> = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:76:29 [INFO] [stderr] | [INFO] [stderr] 76 | connection.write_message(&ClientMessage::Chain(chain.clone())); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:95:33 [INFO] [stderr] | [INFO] [stderr] 95 | connection.write_message(&ClientMessage::QueryChain); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | nameserver_connection.write_message(&ClientToNameserverMessage::Query); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:268:5 [INFO] [stderr] | [INFO] [stderr] 268 | nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:291:33 [INFO] [stderr] | [INFO] [stderr] 291 | peer.write_message(&ClientMessage::NewBlock(new_block.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:357:5 [INFO] [stderr] | [INFO] [stderr] 357 | repl_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:358:5 [INFO] [stderr] | [INFO] [stderr] 358 | listener_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bin/main.rs:315:21 [INFO] [stderr] | [INFO] [stderr] 315 | Ok(_) => {println!("Unhandled command");}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver"); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:206:9 [INFO] [stderr] | [INFO] [stderr] 206 | let mut peers: Arc>>>> = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:76:29 [INFO] [stderr] | [INFO] [stderr] 76 | connection.write_message(&ClientMessage::Chain(chain.clone())); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:95:33 [INFO] [stderr] | [INFO] [stderr] 95 | connection.write_message(&ClientMessage::QueryChain); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | nameserver_connection.write_message(&ClientToNameserverMessage::Query); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:268:5 [INFO] [stderr] | [INFO] [stderr] 268 | nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:291:33 [INFO] [stderr] | [INFO] [stderr] 291 | peer.write_message(&ClientMessage::NewBlock(new_block.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:357:5 [INFO] [stderr] | [INFO] [stderr] 357 | repl_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/main.rs:358:5 [INFO] [stderr] | [INFO] [stderr] 358 | listener_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.91s [INFO] running `"docker" "inspect" "cbffed5ecb67da136f43e03c9ce57d9ef81d259502b469171d3eabbe40615f67"` [INFO] running `"docker" "rm" "-f" "cbffed5ecb67da136f43e03c9ce57d9ef81d259502b469171d3eabbe40615f67"` [INFO] [stdout] cbffed5ecb67da136f43e03c9ce57d9ef81d259502b469171d3eabbe40615f67