[INFO] updating cached repository https://github.com/ArtemFrantsiian/telnet_chat [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] c6ab6d6b618650938f7a495d28fe965227297335 [INFO] testing ArtemFrantsiian/telnet_chat against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemFrantsiian%2Ftelnet_chat" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ArtemFrantsiian/telnet_chat 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/ArtemFrantsiian/telnet_chat [INFO] finished tweaking git repo https://github.com/ArtemFrantsiian/telnet_chat [INFO] tweaked toml for git repo https://github.com/ArtemFrantsiian/telnet_chat written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ArtemFrantsiian/telnet_chat 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c212452e3ff1a49e46f56072b384ba4e94f7681547c50956817e7a2747a31709 [INFO] running `"docker" "start" "-a" "c212452e3ff1a49e46f56072b384ba4e94f7681547c50956817e7a2747a31709"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling serde v1.0.67 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling regex v1.0.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling regex-syntax v0.6.1 [INFO] [stderr] Compiling rand v0.5.2 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling serde_derive v1.0.67 [INFO] [stderr] Compiling docopt v1.0.0 [INFO] [stderr] Compiling telnet-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | let cli_addr = try!(stream.peer_addr()); [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/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:17:22 [INFO] [stderr] | [INFO] [stderr] 17 | let stream = try!(stream.try_clone()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | try!(writeln!(writer, "Welcome to telnet chat!")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | finished = match try!(ntf_rx.recv()) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:43:40 [INFO] [stderr] | [INFO] [stderr] 43 | Notify::Broadcast(bntf) => try!(handle_broadcast(&mut writer, bntf)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:44:38 [INFO] [stderr] | [INFO] [stderr] 44 | Notify::Unicast(untf) => try!(handle_unicast(&mut writer, untf)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | try!(writeln!(writer, "Rename: {} => {}", old_name, new_name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | try!(writeln!(writer, "User {} protect his name", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | try!(writeln!(writer, "Join: {} from {}", name, addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | try!(writeln!(writer, "Leave: {}", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | try!(writeln!(writer, "{}: {}", name, message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | try!(writeln!(writer, "Hello! Your name is {}! Enjoy!", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(writeln!(writer, "Members online:")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | try!(writeln!(writer, " {} from {}", mem.name, mem.addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | try!(writeln!(writer, "=> rename failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | try!(writeln!(writer, "=> register failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | try!(writeln!(writer, "=> submitting message failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | try!(writeln!(writer, "=> {}", message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:120:20 [INFO] [stderr] | [INFO] [stderr] 120 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:121:37 [INFO] [stderr] | [INFO] [stderr] 121 | let mut reader = BufReader::new(try!(stream.try_clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:126:17 [INFO] [stderr] | [INFO] [stderr] 126 | let _ = try!(reader.read_line(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:179:9 [INFO] [stderr] | [INFO] [stderr] 179 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | try!(self.send_message(ntf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | try!(self.send_rename(true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | try!(self.tx.send(Notify::Unicast(message))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:93:20 [INFO] [stderr] | [INFO] [stderr] 93 | let listener = try!(TcpListener::bind((addr, port))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:94:22 [INFO] [stderr] | [INFO] [stderr] 94 | let local_addr = try!(listener.local_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | try!(cli.join(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:209:17 [INFO] [stderr] | [INFO] [stderr] 209 | try!(cli.list(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:215:21 [INFO] [stderr] | [INFO] [stderr] 215 | try!(val.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:225:44 [INFO] [stderr] | [INFO] [stderr] 225 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:233:48 [INFO] [stderr] | [INFO] [stderr] 233 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:240:33 [INFO] [stderr] | [INFO] [stderr] 240 | ... try!(cli.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:245:40 [INFO] [stderr] | [INFO] [stderr] 245 | let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:267:21 [INFO] [stderr] | [INFO] [stderr] 267 | try!(cli.register_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:273:17 [INFO] [stderr] | [INFO] [stderr] 273 | try!(cli.submit_success()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:284:17 [INFO] [stderr] | [INFO] [stderr] 284 | try!(cli.message(message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:40:32 [INFO] [stderr] | [INFO] [stderr] 40 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/server.rs:1:33 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/message.rs:37:14 [INFO] [stderr] | [INFO] [stderr] 37 | List(Vec<(Member)>), [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:33:42 [INFO] [stderr] | [INFO] [stderr] 33 | AppError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:34:51 [INFO] [stderr] | [INFO] [stderr] 34 | AppError::MpscReqSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:35:51 [INFO] [stderr] | [INFO] [stderr] 35 | AppError::MpscNtfSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:36:48 [INFO] [stderr] | [INFO] [stderr] 36 | AppError::MpscRecv(ref err) => err.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:114:25 [INFO] [stderr] | [INFO] [stderr] 114 | writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:134:17 [INFO] [stderr] | [INFO] [stderr] 134 | writeln!(io::stderr(), "Request recv error: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:139:21 [INFO] [stderr] | [INFO] [stderr] 139 | writeln!(io::stderr(), "Response send Rrror: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | cli.leave(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:149:17 [INFO] [stderr] | [INFO] [stderr] 149 | cli.tx.send(Notify::Broadcast(ntf.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 66 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.92s [INFO] running `"docker" "inspect" "c212452e3ff1a49e46f56072b384ba4e94f7681547c50956817e7a2747a31709"` [INFO] running `"docker" "rm" "-f" "c212452e3ff1a49e46f56072b384ba4e94f7681547c50956817e7a2747a31709"` [INFO] [stdout] c212452e3ff1a49e46f56072b384ba4e94f7681547c50956817e7a2747a31709 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e9238e5a4bc52d7fb7ef75972a1ac41b58db453a65f65e70065ea2175f9b30ad [INFO] running `"docker" "start" "-a" "e9238e5a4bc52d7fb7ef75972a1ac41b58db453a65f65e70065ea2175f9b30ad"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling telnet-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | let cli_addr = try!(stream.peer_addr()); [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/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:17:22 [INFO] [stderr] | [INFO] [stderr] 17 | let stream = try!(stream.try_clone()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | try!(writeln!(writer, "Welcome to telnet chat!")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | finished = match try!(ntf_rx.recv()) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:43:40 [INFO] [stderr] | [INFO] [stderr] 43 | Notify::Broadcast(bntf) => try!(handle_broadcast(&mut writer, bntf)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:44:38 [INFO] [stderr] | [INFO] [stderr] 44 | Notify::Unicast(untf) => try!(handle_unicast(&mut writer, untf)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | try!(writeln!(writer, "Rename: {} => {}", old_name, new_name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | try!(writeln!(writer, "User {} protect his name", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | try!(writeln!(writer, "Join: {} from {}", name, addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | try!(writeln!(writer, "Leave: {}", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | try!(writeln!(writer, "{}: {}", name, message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | try!(writeln!(writer, "Hello! Your name is {}! Enjoy!", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(writeln!(writer, "Members online:")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | try!(writeln!(writer, " {} from {}", mem.name, mem.addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | try!(writeln!(writer, "=> rename failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | try!(writeln!(writer, "=> register failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | try!(writeln!(writer, "=> submitting message failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | try!(writeln!(writer, "=> {}", message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:120:20 [INFO] [stderr] | [INFO] [stderr] 120 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:121:37 [INFO] [stderr] | [INFO] [stderr] 121 | let mut reader = BufReader::new(try!(stream.try_clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:126:17 [INFO] [stderr] | [INFO] [stderr] 126 | let _ = try!(reader.read_line(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:179:9 [INFO] [stderr] | [INFO] [stderr] 179 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | try!(self.send_message(ntf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | try!(self.send_rename(true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | try!(self.tx.send(Notify::Unicast(message))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:93:20 [INFO] [stderr] | [INFO] [stderr] 93 | let listener = try!(TcpListener::bind((addr, port))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:94:22 [INFO] [stderr] | [INFO] [stderr] 94 | let local_addr = try!(listener.local_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | try!(cli.join(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:209:17 [INFO] [stderr] | [INFO] [stderr] 209 | try!(cli.list(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:215:21 [INFO] [stderr] | [INFO] [stderr] 215 | try!(val.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:225:44 [INFO] [stderr] | [INFO] [stderr] 225 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:233:48 [INFO] [stderr] | [INFO] [stderr] 233 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:240:33 [INFO] [stderr] | [INFO] [stderr] 240 | ... try!(cli.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:245:40 [INFO] [stderr] | [INFO] [stderr] 245 | let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:267:21 [INFO] [stderr] | [INFO] [stderr] 267 | try!(cli.register_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:273:17 [INFO] [stderr] | [INFO] [stderr] 273 | try!(cli.submit_success()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:284:17 [INFO] [stderr] | [INFO] [stderr] 284 | try!(cli.message(message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:40:32 [INFO] [stderr] | [INFO] [stderr] 40 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/server.rs:1:33 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/message.rs:37:14 [INFO] [stderr] | [INFO] [stderr] 37 | List(Vec<(Member)>), [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:33:42 [INFO] [stderr] | [INFO] [stderr] 33 | AppError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:34:51 [INFO] [stderr] | [INFO] [stderr] 34 | AppError::MpscReqSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:35:51 [INFO] [stderr] | [INFO] [stderr] 35 | AppError::MpscNtfSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:36:48 [INFO] [stderr] | [INFO] [stderr] 36 | AppError::MpscRecv(ref err) => err.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:114:25 [INFO] [stderr] | [INFO] [stderr] 114 | writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:134:17 [INFO] [stderr] | [INFO] [stderr] 134 | writeln!(io::stderr(), "Request recv error: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:139:21 [INFO] [stderr] | [INFO] [stderr] 139 | writeln!(io::stderr(), "Response send Rrror: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | cli.leave(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:149:17 [INFO] [stderr] | [INFO] [stderr] 149 | cli.tx.send(Notify::Broadcast(ntf.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 66 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `"docker" "inspect" "e9238e5a4bc52d7fb7ef75972a1ac41b58db453a65f65e70065ea2175f9b30ad"` [INFO] running `"docker" "rm" "-f" "e9238e5a4bc52d7fb7ef75972a1ac41b58db453a65f65e70065ea2175f9b30ad"` [INFO] [stdout] e9238e5a4bc52d7fb7ef75972a1ac41b58db453a65f65e70065ea2175f9b30ad [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] b586aeeee5e18332dd32a055119725537725aaa36fc1dc83842f28284ef7a596 [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" "b586aeeee5e18332dd32a055119725537725aaa36fc1dc83842f28284ef7a596"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | let cli_addr = try!(stream.peer_addr()); [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/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:17:22 [INFO] [stderr] | [INFO] [stderr] 17 | let stream = try!(stream.try_clone()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | try!(writeln!(writer, "Welcome to telnet chat!")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | finished = match try!(ntf_rx.recv()) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:43:40 [INFO] [stderr] | [INFO] [stderr] 43 | Notify::Broadcast(bntf) => try!(handle_broadcast(&mut writer, bntf)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:44:38 [INFO] [stderr] | [INFO] [stderr] 44 | Notify::Unicast(untf) => try!(handle_unicast(&mut writer, untf)) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | try!(writeln!(writer, "Rename: {} => {}", old_name, new_name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | try!(writeln!(writer, "User {} protect his name", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | try!(writeln!(writer, "Join: {} from {}", name, addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | try!(writeln!(writer, "Leave: {}", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | try!(writeln!(writer, "{}: {}", name, message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | try!(writeln!(writer, "Hello! Your name is {}! Enjoy!", name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | try!(writeln!(writer, "Members online:")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | try!(writeln!(writer, " {} from {}", mem.name, mem.addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | try!(writeln!(writer, "=> rename failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | try!(writeln!(writer, "=> register failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | try!(writeln!(writer, "=> submitting message failed")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | try!(writeln!(writer, "=> {}", message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | try!(writer.flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:120:20 [INFO] [stderr] | [INFO] [stderr] 120 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:121:37 [INFO] [stderr] | [INFO] [stderr] 121 | let mut reader = BufReader::new(try!(stream.try_clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:126:17 [INFO] [stderr] | [INFO] [stderr] 126 | let _ = try!(reader.read_line(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:179:9 [INFO] [stderr] | [INFO] [stderr] 179 | try!(req_tx.send(Request { addr: cli_addr, body: req_body })); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | try!(self.send_message(ntf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | try!(self.send_rename(true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | try!(self.tx.send(Notify::Unicast(message))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:93:20 [INFO] [stderr] | [INFO] [stderr] 93 | let listener = try!(TcpListener::bind((addr, port))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:94:22 [INFO] [stderr] | [INFO] [stderr] 94 | let local_addr = try!(listener.local_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | let cli_addr = try!(stream.peer_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | try!(cli.join(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:209:17 [INFO] [stderr] | [INFO] [stderr] 209 | try!(cli.list(list)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:215:21 [INFO] [stderr] | [INFO] [stderr] 215 | try!(val.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:225:44 [INFO] [stderr] | [INFO] [stderr] 225 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:233:48 [INFO] [stderr] | [INFO] [stderr] 233 | ... let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:240:33 [INFO] [stderr] | [INFO] [stderr] 240 | ... try!(cli.rename_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:245:40 [INFO] [stderr] | [INFO] [stderr] 245 | let old_name = try!(cli.rename_success(name.clone())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:267:21 [INFO] [stderr] | [INFO] [stderr] 267 | try!(cli.register_failure()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:273:17 [INFO] [stderr] | [INFO] [stderr] 273 | try!(cli.submit_success()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:284:17 [INFO] [stderr] | [INFO] [stderr] 284 | try!(cli.message(message)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:40:32 [INFO] [stderr] | [INFO] [stderr] 40 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/server.rs:1:33 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/message.rs:37:14 [INFO] [stderr] | [INFO] [stderr] 37 | List(Vec<(Member)>), [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:33:42 [INFO] [stderr] | [INFO] [stderr] 33 | AppError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:34:51 [INFO] [stderr] | [INFO] [stderr] 34 | AppError::MpscReqSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:35:51 [INFO] [stderr] | [INFO] [stderr] 35 | AppError::MpscNtfSend(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:36:48 [INFO] [stderr] | [INFO] [stderr] 36 | AppError::MpscRecv(ref err) => err.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | writeln!(io::stderr(), "{}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:114:25 [INFO] [stderr] | [INFO] [stderr] 114 | writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:134:17 [INFO] [stderr] | [INFO] [stderr] 134 | writeln!(io::stderr(), "Request recv error: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:139:21 [INFO] [stderr] | [INFO] [stderr] 139 | writeln!(io::stderr(), "Response send Rrror: {}", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | cli.leave(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:149:17 [INFO] [stderr] | [INFO] [stderr] 149 | cli.tx.send(Notify::Broadcast(ntf.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 66 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/telnet_chat-5f5d19dabeef7856 [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" "b586aeeee5e18332dd32a055119725537725aaa36fc1dc83842f28284ef7a596"` [INFO] running `"docker" "rm" "-f" "b586aeeee5e18332dd32a055119725537725aaa36fc1dc83842f28284ef7a596"` [INFO] [stdout] b586aeeee5e18332dd32a055119725537725aaa36fc1dc83842f28284ef7a596