Dec 17 23:42:56.167 INFO checking gluaxspeed/r2wc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:42:56.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/gluaxspeed/r2wc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:42:56.686 INFO [stdout] ec81287fd83585b68daeafd08b502d4e50622b7d56cfac57c1bae9a077f362d7
Dec 17 23:42:56.688 INFO running `"docker" "start" "-a" "ec81287fd83585b68daeafd08b502d4e50622b7d56cfac57c1bae9a077f362d7"`
Dec 17 23:42:59.196 INFO [stderr]    Compiling ncurses v5.94.0
Dec 17 23:42:59.200 INFO [stderr]     Checking stopwatch v0.0.7
Dec 17 23:43:01.376 INFO [stderr]     Checking r2wc v0.1.0 (/opt/crater/workdir)
Dec 17 23:43:02.800 INFO [stderr] warning: method is never used: `new`
Dec 17 23:43:02.800 INFO [stderr]   --> src/connection/peer.rs:39:5
Dec 17 23:43:02.800 INFO [stderr]    |
Dec 17 23:43:02.800 INFO [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
Dec 17 23:43:02.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.800 INFO [stderr]    |
Dec 17 23:43:02.800 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:02.800 INFO [stderr] 
Dec 17 23:43:02.800 INFO [stderr] warning: function is never used: `set_server_port`
Dec 17 23:43:02.800 INFO [stderr]   --> src/connection.rs:58:1
Dec 17 23:43:02.800 INFO [stderr]    |
Dec 17 23:43:02.800 INFO [stderr] 58 | pub fn set_server_port() -> String {
Dec 17 23:43:02.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.801 INFO [stderr] 
Dec 17 23:43:02.801 INFO [stderr] warning: function is never used: `connect_server`
Dec 17 23:43:02.801 INFO [stderr]   --> src/connection.rs:74:1
Dec 17 23:43:02.801 INFO [stderr]    |
Dec 17 23:43:02.801 INFO [stderr] 74 | pub fn connect_server() -> TcpStream {
Dec 17 23:43:02.801 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.801 INFO [stderr] 
Dec 17 23:43:02.801 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:02.801 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:02.801 INFO [stderr]    |
Dec 17 23:43:02.801 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:02.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.801 INFO [stderr] 
Dec 17 23:43:02.801 INFO [stderr] warning: method is never used: `new_client_connection`
Dec 17 23:43:02.801 INFO [stderr]    --> src/connection.rs:129:5
Dec 17 23:43:02.801 INFO [stderr]     |
Dec 17 23:43:02.801 INFO [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
Dec 17 23:43:02.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.801 INFO [stderr] 
Dec 17 23:43:02.801 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:02.801 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:02.801 INFO [stderr]     |
Dec 17 23:43:02.801 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:02.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:02.801 INFO [stderr] 
Dec 17 23:43:03.144 INFO [stderr] warning: method is never used: `new`
Dec 17 23:43:03.144 INFO [stderr]   --> src/connection/peer.rs:39:5
Dec 17 23:43:03.144 INFO [stderr]    |
Dec 17 23:43:03.144 INFO [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
Dec 17 23:43:03.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.144 INFO [stderr]    |
Dec 17 23:43:03.144 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:03.144 INFO [stderr] 
Dec 17 23:43:03.144 INFO [stderr] warning: function is never used: `set_server_port`
Dec 17 23:43:03.144 INFO [stderr]   --> src/connection.rs:58:1
Dec 17 23:43:03.144 INFO [stderr]    |
Dec 17 23:43:03.144 INFO [stderr] 58 | pub fn set_server_port() -> String {
Dec 17 23:43:03.144 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: function is never used: `connect_server`
Dec 17 23:43:03.145 INFO [stderr]   --> src/connection.rs:74:1
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr] 74 | pub fn connect_server() -> TcpStream {
Dec 17 23:43:03.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:03.145 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:03.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: method is never used: `new_client_connection`
Dec 17 23:43:03.145 INFO [stderr]    --> src/connection.rs:129:5
Dec 17 23:43:03.145 INFO [stderr]     |
Dec 17 23:43:03.145 INFO [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
Dec 17 23:43:03.145 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:03.145 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:03.145 INFO [stderr]     |
Dec 17 23:43:03.145 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:03.145 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: method is never used: `get_client`
Dec 17 23:43:03.145 INFO [stderr]   --> src/connection/peer.rs:17:5
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
Dec 17 23:43:03.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: function is never used: `set_port`
Dec 17 23:43:03.145 INFO [stderr]   --> src/connection.rs:29:1
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr] 29 | pub fn set_port() -> String {
Dec 17 23:43:03.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.145 INFO [stderr] 
Dec 17 23:43:03.145 INFO [stderr] warning: function is never used: `create_server`
Dec 17 23:43:03.145 INFO [stderr]   --> src/connection.rs:45:1
Dec 17 23:43:03.145 INFO [stderr]    |
Dec 17 23:43:03.145 INFO [stderr] 45 | pub fn create_server() -> TcpListener {
Dec 17 23:43:03.146 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `get_peer`
Dec 17 23:43:03.146 INFO [stderr]   --> src/connection.rs:84:5
Dec 17 23:43:03.146 INFO [stderr]    |
Dec 17 23:43:03.146 INFO [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
Dec 17 23:43:03.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:03.146 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:03.146 INFO [stderr]    |
Dec 17 23:43:03.146 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:03.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `new_server_connection`
Dec 17 23:43:03.146 INFO [stderr]    --> src/connection.rs:111:5
Dec 17 23:43:03.146 INFO [stderr]     |
Dec 17 23:43:03.146 INFO [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
Dec 17 23:43:03.146 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:03.146 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:03.146 INFO [stderr]     |
Dec 17 23:43:03.146 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:03.146 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `await_client_timeout`
Dec 17 23:43:03.146 INFO [stderr]    --> src/connection.rs:162:5
Dec 17 23:43:03.146 INFO [stderr]     |
Dec 17 23:43:03.146 INFO [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
Dec 17 23:43:03.146 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.146 INFO [stderr] warning: method is never used: `reject_other_clients`
Dec 17 23:43:03.146 INFO [stderr]    --> src/connection.rs:186:5
Dec 17 23:43:03.146 INFO [stderr]     |
Dec 17 23:43:03.146 INFO [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
Dec 17 23:43:03.146 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.146 INFO [stderr] 
Dec 17 23:43:03.153 INFO [stderr] warning: method is never used: `get_client`
Dec 17 23:43:03.153 INFO [stderr]   --> src/connection/peer.rs:17:5
Dec 17 23:43:03.153 INFO [stderr]    |
Dec 17 23:43:03.153 INFO [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
Dec 17 23:43:03.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.153 INFO [stderr]    |
Dec 17 23:43:03.153 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:03.154 INFO [stderr] 
Dec 17 23:43:03.154 INFO [stderr] warning: function is never used: `set_port`
Dec 17 23:43:03.154 INFO [stderr]   --> src/connection.rs:29:1
Dec 17 23:43:03.154 INFO [stderr]    |
Dec 17 23:43:03.154 INFO [stderr] 29 | pub fn set_port() -> String {
Dec 17 23:43:03.154 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.154 INFO [stderr] 
Dec 17 23:43:03.154 INFO [stderr] warning: function is never used: `create_server`
Dec 17 23:43:03.154 INFO [stderr]   --> src/connection.rs:45:1
Dec 17 23:43:03.154 INFO [stderr]    |
Dec 17 23:43:03.154 INFO [stderr] 45 | pub fn create_server() -> TcpListener {
Dec 17 23:43:03.154 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.154 INFO [stderr] 
Dec 17 23:43:03.154 INFO [stderr] warning: method is never used: `get_peer`
Dec 17 23:43:03.154 INFO [stderr]   --> src/connection.rs:84:5
Dec 17 23:43:03.154 INFO [stderr]    |
Dec 17 23:43:03.154 INFO [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
Dec 17 23:43:03.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.154 INFO [stderr] 
Dec 17 23:43:03.154 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:03.154 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:03.154 INFO [stderr]    |
Dec 17 23:43:03.154 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:03.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.154 INFO [stderr] 
Dec 17 23:43:03.154 INFO [stderr] warning: method is never used: `new_server_connection`
Dec 17 23:43:03.154 INFO [stderr]    --> src/connection.rs:111:5
Dec 17 23:43:03.154 INFO [stderr]     |
Dec 17 23:43:03.154 INFO [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
Dec 17 23:43:03.154 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.155 INFO [stderr] 
Dec 17 23:43:03.155 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:03.155 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:03.155 INFO [stderr]     |
Dec 17 23:43:03.155 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:03.155 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.155 INFO [stderr] 
Dec 17 23:43:03.155 INFO [stderr] warning: method is never used: `await_client_timeout`
Dec 17 23:43:03.155 INFO [stderr]    --> src/connection.rs:162:5
Dec 17 23:43:03.155 INFO [stderr]     |
Dec 17 23:43:03.155 INFO [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
Dec 17 23:43:03.155 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.155 INFO [stderr] 
Dec 17 23:43:03.159 INFO [stderr] warning: method is never used: `reject_other_clients`
Dec 17 23:43:03.159 INFO [stderr]    --> src/connection.rs:186:5
Dec 17 23:43:03.159 INFO [stderr]     |
Dec 17 23:43:03.159 INFO [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
Dec 17 23:43:03.159 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.159 INFO [stderr] 
Dec 17 23:43:03.244 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
Dec 17 23:43:04.930 INFO running `"docker" "inspect" "ec81287fd83585b68daeafd08b502d4e50622b7d56cfac57c1bae9a077f362d7"`
Dec 17 23:43:05.244 INFO running `"docker" "rm" "-f" "ec81287fd83585b68daeafd08b502d4e50622b7d56cfac57c1bae9a077f362d7"`
Dec 17 23:43:05.568 INFO [stdout] ec81287fd83585b68daeafd08b502d4e50622b7d56cfac57c1bae9a077f362d7