[INFO] updating cached repository conwayste/netwayste
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/conwayste/netwayste
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/conwayste/netwayste" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/conwayste/netwayste"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/conwayste/netwayste'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/conwayste/netwayste" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/conwayste/netwayste"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/conwayste/netwayste'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43a3828b6c7bf57a6c135665f005c56abaa1bab1
[INFO] sha for GitHub repo conwayste/netwayste: 43a3828b6c7bf57a6c135665f005c56abaa1bab1
[INFO] validating manifest of conwayste/netwayste 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 conwayste/netwayste 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 conwayste/netwayste
[INFO] finished frobbing conwayste/netwayste
[INFO] frobbed toml for conwayste/netwayste written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/conwayste/netwayste/Cargo.toml
[INFO] started frobbing conwayste/netwayste
[INFO] finished frobbing conwayste/netwayste
[INFO] frobbed toml for conwayste/netwayste written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/conwayste/netwayste/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 conwayste/netwayste against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/conwayste/netwayste:/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] ffaa4312df96c234e8851a6973837da06827df432fef9e83b747d848affb4088
[INFO] running `"docker" "start" "-a" "ffaa4312df96c234e8851a6973837da06827df432fef9e83b747d848affb4088"`
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking proptest v0.7.2
[INFO] [stderr]     Checking netwayste v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `exit_tx`
[INFO] [stderr]    --> src/client.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             exit_tx: &mpsc::UnboundedSender<()>,
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_exit_tx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:345:21
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let mut queue = self.network.rx_chat_messages.as_mut().unwrap();
[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: unused variable: `exit_tx`
[INFO] [stderr]    --> src/client.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             exit_tx: &mpsc::UnboundedSender<()>,
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_exit_tx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chat_msg`
[INFO] [stderr]     --> src/net.rs:1578:13
[INFO] [stderr]      |
[INFO] [stderr] 1578 |         let chat_msg = BroadcastChatMessage::new(0, "chatchat".to_owned(), "chatchat".to_owned());
[INFO] [stderr]      |             ^^^^^^^^ help: consider prefixing with an underscore: `_chat_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:345:21
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let mut queue = self.network.rx_chat_messages.as_mut().unwrap();
[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: unused variable: `chat_msg`
[INFO] [stderr]     --> src/net.rs:1578:13
[INFO] [stderr]      |
[INFO] [stderr] 1578 |         let chat_msg = BroadcastChatMessage::new(0, "chatchat".to_owned(), "chatchat".to_owned());
[INFO] [stderr]      |             ^^^^^^^^ help: consider prefixing with an underscore: `_chat_msg`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NetworkStatistics`
[INFO] [stderr]    --> src/net.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | pub struct NetworkStatistics {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/net.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/net.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TXQueue`
[INFO] [stderr]    --> src/net.rs:452:1
[INFO] [stderr]     |
[INFO] [stderr] 452 | pub struct TXQueue {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NetworkManager`
[INFO] [stderr]    --> src/net.rs:705:1
[INFO] [stderr]     |
[INFO] [stderr] 705 | pub struct NetworkManager {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/net.rs:715:5
[INFO] [stderr]     |
[INFO] [stderr] 715 |     pub fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_message_buffering`
[INFO] [stderr]    --> src/net.rs:724:5
[INFO] [stderr]     |
[INFO] [stderr] 724 |     pub fn with_message_buffering(self) -> NetworkManager {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/net.rs:736:5
[INFO] [stderr]     |
[INFO] [stderr] 736 |     pub fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/net.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn new(sequence: u64, name: String, msg: String) -> BroadcastChatMessage {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/net.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_message_buffering`
[INFO] [stderr]    --> src/net.rs:724:5
[INFO] [stderr]     |
[INFO] [stderr] 724 |     pub fn with_message_buffering(self) -> NetworkManager {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/net.rs:736:5
[INFO] [stderr]     |
[INFO] [stderr] 736 |     pub fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.79s
[INFO] running `"docker" "inspect" "ffaa4312df96c234e8851a6973837da06827df432fef9e83b747d848affb4088"`
[INFO] running `"docker" "rm" "-f" "ffaa4312df96c234e8851a6973837da06827df432fef9e83b747d848affb4088"`
[INFO] [stdout] ffaa4312df96c234e8851a6973837da06827df432fef9e83b747d848affb4088