Dec 17 23:42:57.939 INFO checking gluaxspeed/r2wc against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:42:57.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:42:58.478 INFO [stdout] 33be102b5a58c37deb1e02ec0c70f46817412fe2a24ebd723b959095edb54f47
Dec 17 23:42:58.480 INFO running `"docker" "start" "-a" "33be102b5a58c37deb1e02ec0c70f46817412fe2a24ebd723b959095edb54f47"`
Dec 17 23:43:00.392 INFO [stderr]    Compiling ncurses v5.94.0
Dec 17 23:43:00.410 INFO [stderr]     Checking stopwatch v0.0.7
Dec 17 23:43:02.900 INFO [stderr]     Checking r2wc v0.1.0 (/opt/crater/workdir)
Dec 17 23:43:03.968 INFO [stderr] warning: method is never used: `new`
Dec 17 23:43:03.968 INFO [stderr]   --> src/connection/peer.rs:39:5
Dec 17 23:43:03.968 INFO [stderr]    |
Dec 17 23:43:03.968 INFO [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
Dec 17 23:43:03.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.968 INFO [stderr]    |
Dec 17 23:43:03.968 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:03.968 INFO [stderr] 
Dec 17 23:43:03.984 INFO [stderr] warning: function is never used: `set_server_port`
Dec 17 23:43:03.984 INFO [stderr]   --> src/connection.rs:58:1
Dec 17 23:43:03.984 INFO [stderr]    |
Dec 17 23:43:03.984 INFO [stderr] 58 | pub fn set_server_port() -> String {
Dec 17 23:43:03.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.984 INFO [stderr] 
Dec 17 23:43:03.984 INFO [stderr] warning: function is never used: `connect_server`
Dec 17 23:43:03.984 INFO [stderr]   --> src/connection.rs:74:1
Dec 17 23:43:03.984 INFO [stderr]    |
Dec 17 23:43:03.984 INFO [stderr] 74 | pub fn connect_server() -> TcpStream {
Dec 17 23:43:03.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.984 INFO [stderr] 
Dec 17 23:43:03.985 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:03.985 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:03.985 INFO [stderr]    |
Dec 17 23:43:03.985 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:03.985 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.985 INFO [stderr] 
Dec 17 23:43:03.985 INFO [stderr] warning: method is never used: `new_client_connection`
Dec 17 23:43:03.985 INFO [stderr]    --> src/connection.rs:129:5
Dec 17 23:43:03.985 INFO [stderr]     |
Dec 17 23:43:03.985 INFO [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
Dec 17 23:43:03.985 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.985 INFO [stderr] 
Dec 17 23:43:03.985 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:03.985 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:03.985 INFO [stderr]     |
Dec 17 23:43:03.985 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:03.985 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:03.985 INFO [stderr] 
Dec 17 23:43:04.170 INFO [stderr] warning: method is never used: `get_client`
Dec 17 23:43:04.170 INFO [stderr]   --> src/connection/peer.rs:17:5
Dec 17 23:43:04.171 INFO [stderr]    |
Dec 17 23:43:04.171 INFO [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
Dec 17 23:43:04.171 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.172 INFO [stderr]    |
Dec 17 23:43:04.173 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: function is never used: `set_port`
Dec 17 23:43:04.173 INFO [stderr]   --> src/connection.rs:29:1
Dec 17 23:43:04.173 INFO [stderr]    |
Dec 17 23:43:04.173 INFO [stderr] 29 | pub fn set_port() -> String {
Dec 17 23:43:04.173 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: function is never used: `create_server`
Dec 17 23:43:04.173 INFO [stderr]   --> src/connection.rs:45:1
Dec 17 23:43:04.173 INFO [stderr]    |
Dec 17 23:43:04.173 INFO [stderr] 45 | pub fn create_server() -> TcpListener {
Dec 17 23:43:04.173 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `get_peer`
Dec 17 23:43:04.173 INFO [stderr]   --> src/connection.rs:84:5
Dec 17 23:43:04.173 INFO [stderr]    |
Dec 17 23:43:04.173 INFO [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
Dec 17 23:43:04.173 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:04.173 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:04.173 INFO [stderr]    |
Dec 17 23:43:04.173 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:04.173 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `new_server_connection`
Dec 17 23:43:04.173 INFO [stderr]    --> src/connection.rs:111:5
Dec 17 23:43:04.173 INFO [stderr]     |
Dec 17 23:43:04.173 INFO [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
Dec 17 23:43:04.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:04.173 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:04.173 INFO [stderr]     |
Dec 17 23:43:04.173 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:04.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `await_client_timeout`
Dec 17 23:43:04.173 INFO [stderr]    --> src/connection.rs:162:5
Dec 17 23:43:04.173 INFO [stderr]     |
Dec 17 23:43:04.173 INFO [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
Dec 17 23:43:04.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.173 INFO [stderr] warning: method is never used: `reject_other_clients`
Dec 17 23:43:04.173 INFO [stderr]    --> src/connection.rs:186:5
Dec 17 23:43:04.173 INFO [stderr]     |
Dec 17 23:43:04.173 INFO [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
Dec 17 23:43:04.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.173 INFO [stderr] 
Dec 17 23:43:04.511 INFO [stderr] warning: method is never used: `get_client`
Dec 17 23:43:04.511 INFO [stderr]   --> src/connection/peer.rs:17:5
Dec 17 23:43:04.511 INFO [stderr]    |
Dec 17 23:43:04.511 INFO [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
Dec 17 23:43:04.512 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.512 INFO [stderr]    |
Dec 17 23:43:04.512 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:04.512 INFO [stderr] 
Dec 17 23:43:04.512 INFO [stderr] warning: function is never used: `set_port`
Dec 17 23:43:04.512 INFO [stderr]   --> src/connection.rs:29:1
Dec 17 23:43:04.512 INFO [stderr]    |
Dec 17 23:43:04.512 INFO [stderr] 29 | pub fn set_port() -> String {
Dec 17 23:43:04.512 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.512 INFO [stderr] 
Dec 17 23:43:04.512 INFO [stderr] warning: function is never used: `create_server`
Dec 17 23:43:04.512 INFO [stderr]   --> src/connection.rs:45:1
Dec 17 23:43:04.513 INFO [stderr]    |
Dec 17 23:43:04.513 INFO [stderr] 45 | pub fn create_server() -> TcpListener {
Dec 17 23:43:04.513 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.513 INFO [stderr] 
Dec 17 23:43:04.513 INFO [stderr] warning: method is never used: `get_peer`
Dec 17 23:43:04.513 INFO [stderr]   --> src/connection.rs:84:5
Dec 17 23:43:04.513 INFO [stderr]    |
Dec 17 23:43:04.514 INFO [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
Dec 17 23:43:04.514 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.514 INFO [stderr] 
Dec 17 23:43:04.514 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:04.514 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:04.514 INFO [stderr]    |
Dec 17 23:43:04.514 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:04.515 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.515 INFO [stderr] 
Dec 17 23:43:04.515 INFO [stderr] warning: method is never used: `new_server_connection`
Dec 17 23:43:04.515 INFO [stderr]    --> src/connection.rs:111:5
Dec 17 23:43:04.515 INFO [stderr]     |
Dec 17 23:43:04.515 INFO [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
Dec 17 23:43:04.515 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.516 INFO [stderr] 
Dec 17 23:43:04.516 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:04.516 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:04.516 INFO [stderr]     |
Dec 17 23:43:04.516 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:04.516 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.516 INFO [stderr] 
Dec 17 23:43:04.517 INFO [stderr] warning: method is never used: `await_client_timeout`
Dec 17 23:43:04.517 INFO [stderr]    --> src/connection.rs:162:5
Dec 17 23:43:04.517 INFO [stderr]     |
Dec 17 23:43:04.517 INFO [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
Dec 17 23:43:04.517 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.517 INFO [stderr] warning: method is never used: `new`
Dec 17 23:43:04.517 INFO [stderr]   --> src/connection/peer.rs:39:5
Dec 17 23:43:04.518 INFO [stderr]    |
Dec 17 23:43:04.518 INFO [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
Dec 17 23:43:04.518 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.518 INFO [stderr]    |
Dec 17 23:43:04.518 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:43:04.518 INFO [stderr] 
Dec 17 23:43:04.518 INFO [stderr] warning: function is never used: `set_server_port`
Dec 17 23:43:04.519 INFO [stderr]   --> src/connection.rs:58:1
Dec 17 23:43:04.519 INFO [stderr]    |
Dec 17 23:43:04.519 INFO [stderr] 58 | pub fn set_server_port() -> String {
Dec 17 23:43:04.519 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.519 INFO [stderr] 
Dec 17 23:43:04.519 INFO [stderr] warning: function is never used: `connect_server`
Dec 17 23:43:04.519 INFO [stderr]   --> src/connection.rs:74:1
Dec 17 23:43:04.519 INFO [stderr]    |
Dec 17 23:43:04.520 INFO [stderr] 74 | pub fn connect_server() -> TcpStream {
Dec 17 23:43:04.520 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.520 INFO [stderr] 
Dec 17 23:43:04.520 INFO [stderr] warning: method is never used: `new_connection`
Dec 17 23:43:04.520 INFO [stderr]   --> src/connection.rs:96:5
Dec 17 23:43:04.520 INFO [stderr]    |
Dec 17 23:43:04.520 INFO [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
Dec 17 23:43:04.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.520 INFO [stderr] 
Dec 17 23:43:04.520 INFO [stderr] warning: method is never used: `new_client_connection`
Dec 17 23:43:04.520 INFO [stderr]    --> src/connection.rs:129:5
Dec 17 23:43:04.520 INFO [stderr]     |
Dec 17 23:43:04.520 INFO [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
Dec 17 23:43:04.520 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.520 INFO [stderr] 
Dec 17 23:43:04.520 INFO [stderr] warning: method is never used: `await_client`
Dec 17 23:43:04.520 INFO [stderr]    --> src/connection.rs:143:5
Dec 17 23:43:04.520 INFO [stderr]     |
Dec 17 23:43:04.520 INFO [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
Dec 17 23:43:04.520 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.520 INFO [stderr] 
Dec 17 23:43:04.520 INFO [stderr] 
Dec 17 23:43:04.520 INFO [stderr] warning: method is never used: `reject_other_clients`
Dec 17 23:43:04.520 INFO [stderr]    --> src/connection.rs:186:5
Dec 17 23:43:04.521 INFO [stderr]     |
Dec 17 23:43:04.521 INFO [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
Dec 17 23:43:04.521 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:43:04.521 INFO [stderr] 
Dec 17 23:43:04.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
Dec 17 23:43:05.736 INFO running `"docker" "inspect" "33be102b5a58c37deb1e02ec0c70f46817412fe2a24ebd723b959095edb54f47"`
Dec 17 23:43:06.008 INFO running `"docker" "rm" "-f" "33be102b5a58c37deb1e02ec0c70f46817412fe2a24ebd723b959095edb54f47"`
Dec 17 23:43:06.312 INFO [stdout] 33be102b5a58c37deb1e02ec0c70f46817412fe2a24ebd723b959095edb54f47