[INFO] crate gadu 0.1.3 is already in cache
[INFO] testing gadu-0.1.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate gadu 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gadu 0.1.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gadu 0.1.3
[INFO] finished tweaking crates.io crate gadu 0.1.3
[INFO] tweaked toml for crates.io crate gadu 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e44cdb33defaf0a7ebe797638b51078806e4fad498c9ae69900be3567bd6d51
[INFO] running `"docker" "start" "-a" "7e44cdb33defaf0a7ebe797638b51078806e4fad498c9ae69900be3567bd6d51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling gadu v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `return` value
[INFO] [stderr]   --> src/events.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             return { Err(e.to_string()) };
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[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: associated function is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:8
[INFO] [stderr]     |
[INFO] [stderr] 404 |     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:8
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `"docker" "inspect" "7e44cdb33defaf0a7ebe797638b51078806e4fad498c9ae69900be3567bd6d51"`
[INFO] running `"docker" "rm" "-f" "7e44cdb33defaf0a7ebe797638b51078806e4fad498c9ae69900be3567bd6d51"`
[INFO] [stdout] 7e44cdb33defaf0a7ebe797638b51078806e4fad498c9ae69900be3567bd6d51
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e673ee714917d544b58b8abc354d3bbbe761b52316d0eb8949e4833a0c9b7402
[INFO] running `"docker" "start" "-a" "e673ee714917d544b58b8abc354d3bbbe761b52316d0eb8949e4833a0c9b7402"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gadu v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `return` value
[INFO] [stderr]   --> src/events.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             return { Err(e.to_string()) };
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[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: associated function is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:8
[INFO] [stderr]     |
[INFO] [stderr] 404 |     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:8
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `return` value
[INFO] [stderr]   --> src/events.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             return { Err(e.to_string()) };
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conn::Conn`
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use crate::conn::Conn;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::server::Server`
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use crate::server::Server;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[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: associated function is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:8
[INFO] [stderr]     |
[INFO] [stderr] 404 |     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:8
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "e673ee714917d544b58b8abc354d3bbbe761b52316d0eb8949e4833a0c9b7402"`
[INFO] running `"docker" "rm" "-f" "e673ee714917d544b58b8abc354d3bbbe761b52316d0eb8949e4833a0c9b7402"`
[INFO] [stdout] e673ee714917d544b58b8abc354d3bbbe761b52316d0eb8949e4833a0c9b7402
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7638d75a1948ce8c0c76211ed96ced61e20db6363fc1eac394cdd2f697c618bd
[INFO] running `"docker" "start" "-a" "7638d75a1948ce8c0c76211ed96ced61e20db6363fc1eac394cdd2f697c618bd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `return` value
[INFO] [stderr]   --> src/events.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             return { Err(e.to_string()) };
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[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: associated function is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:8
[INFO] [stderr]     |
[INFO] [stderr] 404 |     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:8
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `return` value
[INFO] [stderr]   --> src/events.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |             return { Err(e.to_string()) };
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network_server.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn server_loop(&self, net_event_handler: Arc<NetEvents>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn NetEvents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conn::Conn`
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use crate::conn::Conn;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::server::Server`
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use crate::server::Server;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_buffer`
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_handler`
[INFO] [stderr]    --> src/events.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         event_handler: &T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let mut read_buffer = [0; 32768];
[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: associated function is never used: `close_connection`
[INFO] [stderr]    --> src/events.rs:404:8
[INFO] [stderr]     |
[INFO] [stderr] 404 |     fn close_connection<T>(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_event`
[INFO] [stderr]    --> src/events.rs:426:8
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn handle_event<T>(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gadu-56fed69679f31d7f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gadu
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/conn.rs:378:53
[INFO] [stderr]     |
[INFO] [stderr] 378 |     pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> {
[INFO] [stderr]     |                                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "7638d75a1948ce8c0c76211ed96ced61e20db6363fc1eac394cdd2f697c618bd"`
[INFO] running `"docker" "rm" "-f" "7638d75a1948ce8c0c76211ed96ced61e20db6363fc1eac394cdd2f697c618bd"`
[INFO] [stdout] 7638d75a1948ce8c0c76211ed96ced61e20db6363fc1eac394cdd2f697c618bd