[INFO] updating cached repository https://github.com/gluaxspeed/r2wc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdc59383aab43b4c6439f6b4eae38cd2208c082f
[INFO] testing gluaxspeed/r2wc against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluaxspeed%2Fr2wc" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gluaxspeed/r2wc on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gluaxspeed/r2wc
[INFO] finished tweaking git repo https://github.com/gluaxspeed/r2wc
[INFO] tweaked toml for git repo https://github.com/gluaxspeed/r2wc written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gluaxspeed/r2wc already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 863adc2babdfde89e420af151e06277a327272eb8c15f5a07ec27a2a7bdbfacb
[INFO] running `"docker" "start" "-a" "863adc2babdfde89e420af151e06277a327272eb8c15f5a07ec27a2a7bdbfacb"`
[INFO] [stderr]    Compiling ncurses v5.94.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling r2wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get_client`
[INFO] [stderr]   --> src/connection/peer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_port`
[INFO] [stderr]   --> src/connection.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn set_port() -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_server`
[INFO] [stderr]   --> src/connection.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn create_server() -> TcpListener {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_peer`
[INFO] [stderr]   --> src/connection.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_connection`
[INFO] [stderr]   --> src/connection.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_server_connection`
[INFO] [stderr]    --> src/connection.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client`
[INFO] [stderr]    --> src/connection.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client_timeout`
[INFO] [stderr]    --> src/connection.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reject_other_clients`
[INFO] [stderr]    --> src/connection.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/connection/peer.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_server_port`
[INFO] [stderr]   --> src/connection.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn set_server_port() -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect_server`
[INFO] [stderr]   --> src/connection.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn connect_server() -> TcpStream {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_connection`
[INFO] [stderr]   --> src/connection.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_client_connection`
[INFO] [stderr]    --> src/connection.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client`
[INFO] [stderr]    --> src/connection.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `"docker" "inspect" "863adc2babdfde89e420af151e06277a327272eb8c15f5a07ec27a2a7bdbfacb"`
[INFO] running `"docker" "rm" "-f" "863adc2babdfde89e420af151e06277a327272eb8c15f5a07ec27a2a7bdbfacb"`
[INFO] [stdout] 863adc2babdfde89e420af151e06277a327272eb8c15f5a07ec27a2a7bdbfacb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb08058d8c01d742a187b09b39de7b645f65f806d242be36ac36394e5eecbbdb
[INFO] running `"docker" "start" "-a" "fb08058d8c01d742a187b09b39de7b645f65f806d242be36ac36394e5eecbbdb"`
[INFO] [stderr]    Compiling r2wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get_client`
[INFO] [stderr]   --> src/connection/peer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_client(server: &TcpListener) -> Option<Peer> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_port`
[INFO] [stderr]   --> src/connection.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn set_port() -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_server`
[INFO] [stderr]   --> src/connection.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn create_server() -> TcpListener {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_peer`
[INFO] [stderr]   --> src/connection.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_peer(&self) -> Option<Peer> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_connection`
[INFO] [stderr]   --> src/connection.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_server_connection`
[INFO] [stderr]    --> src/connection.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new_server_connection(msg_size: usize) -> (Connection, TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client`
[INFO] [stderr]    --> src/connection.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client_timeout`
[INFO] [stderr]    --> src/connection.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn await_client_timeout(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reject_other_clients`
[INFO] [stderr]    --> src/connection.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn reject_other_clients(&self, server: &TcpListener) -> (bool, Option<Peer>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/connection/peer.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(stream: TcpStream, who: String) -> Peer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_server_port`
[INFO] [stderr]   --> src/connection.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn set_server_port() -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect_server`
[INFO] [stderr]   --> src/connection.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn connect_server() -> TcpStream {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_connection`
[INFO] [stderr]   --> src/connection.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn new_connection(msg_size: usize, taken: Option<bool>) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_client_connection`
[INFO] [stderr]    --> src/connection.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new_client_connection(msg_size: usize) -> Connection {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `await_client`
[INFO] [stderr]    --> src/connection.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn await_client(&mut self, server: &TcpListener) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "fb08058d8c01d742a187b09b39de7b645f65f806d242be36ac36394e5eecbbdb"`
[INFO] running `"docker" "rm" "-f" "fb08058d8c01d742a187b09b39de7b645f65f806d242be36ac36394e5eecbbdb"`
[INFO] [stdout] fb08058d8c01d742a187b09b39de7b645f65f806d242be36ac36394e5eecbbdb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] c1912595261f0b87f34c6c9a806c94feff0d18c8d78e680d06834ea14800b82b
[INFO] running `"docker" "start" "-a" "c1912595261f0b87f34c6c9a806c94feff0d18c8d78e680d06834ea14800b82b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r2wc-08f018b1b81103a7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r2wc_client-db6c0e625f4e155b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r2wc_server-91b3a8525ff250f0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c1912595261f0b87f34c6c9a806c94feff0d18c8d78e680d06834ea14800b82b"`
[INFO] running `"docker" "rm" "-f" "c1912595261f0b87f34c6c9a806c94feff0d18c8d78e680d06834ea14800b82b"`
[INFO] [stdout] c1912595261f0b87f34c6c9a806c94feff0d18c8d78e680d06834ea14800b82b