[INFO] updating cached repository https://github.com/mhallin/loadbalancer-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] a8713f76f54c3eb249a0366a07fd380b4a7424bc [INFO] testing mhallin/loadbalancer-rs against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhallin%2Floadbalancer-rs" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhallin/loadbalancer-rs 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 git repo https://github.com/mhallin/loadbalancer-rs [INFO] finished tweaking git repo https://github.com/mhallin/loadbalancer-rs [INFO] tweaked toml for git repo https://github.com/mhallin/loadbalancer-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mhallin/loadbalancer-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 1dd6c853aca56505ca00171eebac8c35768844d8ddb3fd9724de4fce4cf81b85 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "1dd6c853aca56505ca00171eebac8c35768844d8ddb3fd9724de4fce4cf81b85"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bitflags v0.1.1 [INFO] [stderr] Compiling bytes v0.2.11 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling toml v0.1.30 [INFO] [stderr] Compiling winapi v0.1.23 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling nix v0.3.10 [INFO] [stderr] Compiling mio v0.4.4 [INFO] [stderr] Compiling loadbalancer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let table = try!(parser.parse().ok_or(parser.errors.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | let config = try!(RootConfig::decode(&mut decoder)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:54:24 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = try!(File::open(filename)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | try!(file.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:52:35 [INFO] [stderr] | [INFO] [stderr] 52 | backends.insert(name, try!(make_backend(config))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:56:36 [INFO] [stderr] | [INFO] [stderr] 56 | frontends.insert(name, try!(make_frontend(config, &backends))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:87:32 [INFO] [stderr] | [INFO] [stderr] 87 | let tcp_listener = try!(TcpListener::bind(&addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:88:25 [INFO] [stderr] | [INFO] [stderr] 88 | let token = try!(self.listeners [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 102 | try!(event_loop.register_opt(&listener.listener, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:115:34 [INFO] [stderr] | [INFO] [stderr] 115 | let addrs: Vec = try!(s.to_socket_addrs()).collect(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:146:22 [INFO] [stderr] | [INFO] [stderr] 146 | Ok(Frontend::new(try!(resolve_name(&config.listen_addr)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | if let Some(mut connection) = self.incoming_connections.get_mut(token) { [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: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:130:25 [INFO] [stderr] | [INFO] [stderr] 130 | if let Some(mut connection) = self.incoming_connections.get_mut(incoming_token) { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Shutdown` [INFO] [stderr] --> src/driver.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Shutdown, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Reconfigure` [INFO] [stderr] --> src/driver.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Reconfigure(RootConfig), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.03s [INFO] running `"docker" "inspect" "1dd6c853aca56505ca00171eebac8c35768844d8ddb3fd9724de4fce4cf81b85"` [INFO] running `"docker" "rm" "-f" "1dd6c853aca56505ca00171eebac8c35768844d8ddb3fd9724de4fce4cf81b85"` [INFO] [stdout] 1dd6c853aca56505ca00171eebac8c35768844d8ddb3fd9724de4fce4cf81b85 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 979abf82695f63a86ccdfa0e6c231580cc827c0feae53a73545a7712c82d8798 [INFO] running `"docker" "start" "-a" "979abf82695f63a86ccdfa0e6c231580cc827c0feae53a73545a7712c82d8798"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling loadbalancer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let table = try!(parser.parse().ok_or(parser.errors.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | let config = try!(RootConfig::decode(&mut decoder)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:54:24 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = try!(File::open(filename)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | try!(file.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:52:35 [INFO] [stderr] | [INFO] [stderr] 52 | backends.insert(name, try!(make_backend(config))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:56:36 [INFO] [stderr] | [INFO] [stderr] 56 | frontends.insert(name, try!(make_frontend(config, &backends))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:87:32 [INFO] [stderr] | [INFO] [stderr] 87 | let tcp_listener = try!(TcpListener::bind(&addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:88:25 [INFO] [stderr] | [INFO] [stderr] 88 | let token = try!(self.listeners [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 102 | try!(event_loop.register_opt(&listener.listener, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:115:34 [INFO] [stderr] | [INFO] [stderr] 115 | let addrs: Vec = try!(s.to_socket_addrs()).collect(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:146:22 [INFO] [stderr] | [INFO] [stderr] 146 | Ok(Frontend::new(try!(resolve_name(&config.listen_addr)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/driver.rs:234:52 [INFO] [stderr] | [INFO] [stderr] 234 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/driver.rs:247:39 [INFO] [stderr] | [INFO] [stderr] 247 | static PORT_NUMBER: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | if let Some(mut connection) = self.incoming_connections.get_mut(token) { [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: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:130:25 [INFO] [stderr] | [INFO] [stderr] 130 | if let Some(mut connection) = self.incoming_connections.get_mut(incoming_token) { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.34s [INFO] running `"docker" "inspect" "979abf82695f63a86ccdfa0e6c231580cc827c0feae53a73545a7712c82d8798"` [INFO] running `"docker" "rm" "-f" "979abf82695f63a86ccdfa0e6c231580cc827c0feae53a73545a7712c82d8798"` [INFO] [stdout] 979abf82695f63a86ccdfa0e6c231580cc827c0feae53a73545a7712c82d8798 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d9e1f5590a7ffb06fec9c4955586db015ccc100d1f15718aa60140f404758525 [INFO] running `"docker" "start" "-a" "d9e1f5590a7ffb06fec9c4955586db015ccc100d1f15718aa60140f404758525"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:44:21 [INFO] [stderr] | [INFO] [stderr] 44 | let table = try!(parser.parse().ok_or(parser.errors.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | let config = try!(RootConfig::decode(&mut decoder)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:54:24 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = try!(File::open(filename)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/config.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | try!(file.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:52:35 [INFO] [stderr] | [INFO] [stderr] 52 | backends.insert(name, try!(make_backend(config))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:56:36 [INFO] [stderr] | [INFO] [stderr] 56 | frontends.insert(name, try!(make_frontend(config, &backends))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:87:32 [INFO] [stderr] | [INFO] [stderr] 87 | let tcp_listener = try!(TcpListener::bind(&addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:88:25 [INFO] [stderr] | [INFO] [stderr] 88 | let token = try!(self.listeners [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 102 | try!(event_loop.register_opt(&listener.listener, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:115:34 [INFO] [stderr] | [INFO] [stderr] 115 | let addrs: Vec = try!(s.to_socket_addrs()).collect(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/driver_state.rs:146:22 [INFO] [stderr] | [INFO] [stderr] 146 | Ok(Frontend::new(try!(resolve_name(&config.listen_addr)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/driver.rs:234:52 [INFO] [stderr] | [INFO] [stderr] 234 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/driver.rs:247:39 [INFO] [stderr] | [INFO] [stderr] 247 | static PORT_NUMBER: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | if let Some(mut connection) = self.incoming_connections.get_mut(token) { [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: variable does not need to be mutable [INFO] [stderr] --> src/driver.rs:130:25 [INFO] [stderr] | [INFO] [stderr] 130 | if let Some(mut connection) = self.incoming_connections.get_mut(incoming_token) { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/loadbalancer-bfaed7da53e969d7 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test driver::test::start_stop_driver ... ok [INFO] [stdout] test driver::test::single_backend ... ok [INFO] [stdout] test driver::test::test_reconfigure_remove_listen ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d9e1f5590a7ffb06fec9c4955586db015ccc100d1f15718aa60140f404758525"` [INFO] running `"docker" "rm" "-f" "d9e1f5590a7ffb06fec9c4955586db015ccc100d1f15718aa60140f404758525"` [INFO] [stdout] d9e1f5590a7ffb06fec9c4955586db015ccc100d1f15718aa60140f404758525