[INFO] cloning repository https://github.com/nickmass/rust-irc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickmass/rust-irc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Frust-irc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Frust-irc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2465f2e3814fa9c013b95e6adc20e35f0794e5d6 [INFO] checking nickmass/rust-irc against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Frust-irc" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickmass/rust-irc on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nickmass/rust-irc [INFO] finished tweaking git repo https://github.com/nickmass/rust-irc [INFO] tweaked toml for git repo https://github.com/nickmass/rust-irc written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nickmass/rust-irc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded openssl-sys v0.6.3 [INFO] [stderr] Downloaded openssl v0.6.3 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b186572b9f17012e24bc0ef4f221a8c81f6ea97bf6fbbe52a8aa3cbc89d40dfb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b186572b9f17012e24bc0ef4f221a8c81f6ea97bf6fbbe52a8aa3cbc89d40dfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b186572b9f17012e24bc0ef4f221a8c81f6ea97bf6fbbe52a8aa3cbc89d40dfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b186572b9f17012e24bc0ef4f221a8c81f6ea97bf6fbbe52a8aa3cbc89d40dfb", kill_on_drop: false }` [INFO] [stdout] b186572b9f17012e24bc0ef4f221a8c81f6ea97bf6fbbe52a8aa3cbc89d40dfb [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 987aa7bfbfc95434b8ca51fa0fb74283bc3361f7f134ed7dfbaf22b8b17ba35d [INFO] running `Command { std: "docker" "start" "-a" "987aa7bfbfc95434b8ca51fa0fb74283bc3361f7f134ed7dfbaf22b8b17ba35d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pkg-config v0.3.5 [INFO] [stderr] Compiling gcc v0.3.8 [INFO] [stderr] Checking lazy_static v0.1.11 [INFO] [stderr] Compiling openssl-sys v0.6.3 [INFO] [stderr] Checking openssl v0.6.3 [INFO] [stderr] Checking rust-irc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/irc/connection.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | let stream = try!(TcpStream::connect(str::from_utf8(format!("{}:{}", options.host, options.port).as_bytes()).unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:56:31 [INFO] [stdout] | [INFO] [stdout] 56 | let ssl_context = try!(SslContext::new(SslMethod::Sslv23)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:57:30 [INFO] [stdout] | [INFO] [stdout] 57 | let ssl_stream = try!(SslStream::new(&ssl_context, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:58:37 [INFO] [stdout] | [INFO] [stdout] 58 | let reader_connection = try!(ssl_stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:60:37 [INFO] [stdout] | [INFO] [stdout] 60 | let writer_connection = try!(ssl_stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:68:37 [INFO] [stdout] | [INFO] [stdout] 68 | let reader_connection = try!(stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | let writer_connection = try!(stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/irc/connection.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | let stream = try!(TcpStream::connect(str::from_utf8(format!("{}:{}", options.host, options.port).as_bytes()).unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:56:31 [INFO] [stdout] | [INFO] [stdout] 56 | let ssl_context = try!(SslContext::new(SslMethod::Sslv23)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:57:30 [INFO] [stdout] | [INFO] [stdout] 57 | let ssl_stream = try!(SslStream::new(&ssl_context, stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:58:37 [INFO] [stdout] | [INFO] [stdout] 58 | let reader_connection = try!(ssl_stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:60:37 [INFO] [stdout] | [INFO] [stdout] 60 | let writer_connection = try!(ssl_stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:68:37 [INFO] [stdout] | [INFO] [stdout] 68 | let reader_connection = try!(stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/irc/connection.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | let writer_connection = try!(stream.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_prefix` [INFO] [stdout] --> src/irc/message.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | has_prefix: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prefix` [INFO] [stdout] --> src/irc/message.rs:173:12 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn prefix(&self) -> Option<&[u8]> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `param_at` [INFO] [stdout] --> src/irc/message.rs:184:12 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn param_at(&self, index: u32) -> Option<&[u8]> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump` [INFO] [stdout] --> src/irc/message.rs:213:12 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/irc/writer.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn write(&mut self, bytes: &[u8]) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> src/irc/connection.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | options: IrcConnectionOptions, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump` [INFO] [stdout] --> src/irc/message.rs:213:12 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/irc/writer.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn write(&mut self, bytes: &[u8]) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> src/irc/connection.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | options: IrcConnectionOptions, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | tx.send(IrcMessage::test_user()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | tx.send(IrcMessage::test_nick()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | / thread::Builder::new().name("irc_writer".to_string()).spawn(move || { [INFO] [stdout] 88 | | for write_cmd in writer_rx { [INFO] [stdout] 89 | | parse_command(&write_cmd.message()); [INFO] [stdout] 90 | | writer.send(&write_cmd); [INFO] [stdout] 91 | | } [INFO] [stdout] 92 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | / thread::Builder::new().name("irc_reader".to_string()).spawn(move || { [INFO] [stdout] 95 | | for irc_msg in reader { [INFO] [stdout] 96 | | match irc_msg.command() { [INFO] [stdout] 97 | | b"PING" => { [INFO] [stdout] ... | [INFO] [stdout] 103 | | } [INFO] [stdout] 104 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | reader_ui_tx.send(irc_msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | tx.send(IrcMessage::test_user()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | tx.send(IrcMessage::test_nick()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | / thread::Builder::new().name("irc_writer".to_string()).spawn(move || { [INFO] [stdout] 88 | | for write_cmd in writer_rx { [INFO] [stdout] 89 | | parse_command(&write_cmd.message()); [INFO] [stdout] 90 | | writer.send(&write_cmd); [INFO] [stdout] 91 | | } [INFO] [stdout] 92 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | / thread::Builder::new().name("irc_reader".to_string()).spawn(move || { [INFO] [stdout] 95 | | for irc_msg in reader { [INFO] [stdout] 96 | | match irc_msg.command() { [INFO] [stdout] 97 | | b"PING" => { [INFO] [stdout] ... | [INFO] [stdout] 103 | | } [INFO] [stdout] 104 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/irc/connection.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | reader_ui_tx.send(irc_msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "987aa7bfbfc95434b8ca51fa0fb74283bc3361f7f134ed7dfbaf22b8b17ba35d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "987aa7bfbfc95434b8ca51fa0fb74283bc3361f7f134ed7dfbaf22b8b17ba35d", kill_on_drop: false }` [INFO] [stdout] 987aa7bfbfc95434b8ca51fa0fb74283bc3361f7f134ed7dfbaf22b8b17ba35d