[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 beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Frust-irc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickmass/rust-irc on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-10/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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 930b05f5960f0e68fa4343a89e387be246b78a3a239dc9638d8b5a19c9bb74f9
[INFO] running `Command { std: "docker" "start" "-a" "930b05f5960f0e68fa4343a89e387be246b78a3a239dc9638d8b5a19c9bb74f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "930b05f5960f0e68fa4343a89e387be246b78a3a239dc9638d8b5a19c9bb74f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930b05f5960f0e68fa4343a89e387be246b78a3a239dc9638d8b5a19c9bb74f9", kill_on_drop: false }`
[INFO] [stdout] 930b05f5960f0e68fa4343a89e387be246b78a3a239dc9638d8b5a19c9bb74f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a9859f94f705e735fbf109e1a4872716ee5ee1edd0439b13e71eae193ce88a
[INFO] running `Command { std: "docker" "start" "-a" "64a9859f94f705e735fbf109e1a4872716ee5ee1edd0439b13e71eae193ce88a", 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 libc v0.1.8
[INFO] [stderr]     Checking lazy_static v0.1.11
[INFO] [stderr]     Checking bitflags v0.2.1
[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: 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: 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: `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: 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: 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] 
[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: 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: 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: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/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/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/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: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: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: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/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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "64a9859f94f705e735fbf109e1a4872716ee5ee1edd0439b13e71eae193ce88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a9859f94f705e735fbf109e1a4872716ee5ee1edd0439b13e71eae193ce88a", kill_on_drop: false }`
[INFO] [stdout] 64a9859f94f705e735fbf109e1a4872716ee5ee1edd0439b13e71eae193ce88a
