[INFO] cloning repository https://github.com/redox-os/netutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/netutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fnetutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fnetutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90572ee1fff3dbe88117c67746129e58254d34fd
[INFO] checking redox-os/netutils against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fnetutils" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/netutils on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/netutils
[INFO] finished tweaking git repo https://github.com/redox-os/netutils
[INFO] tweaked toml for git repo https://github.com/redox-os/netutils written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/netutils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/net2-rs.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/arg-parser.git`
[INFO] [stderr]     Updating git repository `https://github.com/willem66745/ntpclient-rust`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded termion v2.0.3
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded libredox v0.0.2
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded unicode-bidi v0.3.14
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.11
[INFO] [stderr]   Downloaded redox-daemon v0.1.2
[INFO] [stderr]   Downloaded redox_event v0.3.0
[INFO] [stderr]   Downloaded libredox v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b97dd67c805a45efacbd4219dc68862d27c08dced7cf93b220ad5de01f46835
[INFO] running `Command { std: "docker" "start" "-a" "2b97dd67c805a45efacbd4219dc68862d27c08dced7cf93b220ad5de01f46835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b97dd67c805a45efacbd4219dc68862d27c08dced7cf93b220ad5de01f46835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b97dd67c805a45efacbd4219dc68862d27c08dced7cf93b220ad5de01f46835", kill_on_drop: false }`
[INFO] [stdout] 2b97dd67c805a45efacbd4219dc68862d27c08dced7cf93b220ad5de01f46835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf6c5b364dcce4729ce8280632e19a19531d655123fa76adde933edb0961cdc2
[INFO] running `Command { std: "docker" "start" "-a" "bf6c5b364dcce4729ce8280632e19a19531d655123fa76adde933edb0961cdc2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking redox_syscall v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking redox_termios v0.1.3
[INFO] [stderr]     Checking arg_parser v0.1.0 (https://gitlab.redox-os.org/redox-os/arg-parser.git#1c434b55)
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking libredox v0.0.4
[INFO] [stderr]     Checking libredox v0.0.1
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking net2 v0.2.37 (https://gitlab.redox-os.org/redox-os/net2-rs.git?branch=master#db0604dc)
[INFO] [stderr]     Checking redox-daemon v0.1.2
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking redox_event v0.3.0
[INFO] [stderr]     Checking ntpclient v0.0.1 (https://github.com/willem66745/ntpclient-rust#7e3bdf60)
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking netutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let stream_read = try!(TcpStream::connect(host)
[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/nc/modes.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(socket.connect(host)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/ping/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::BorrowMut;
[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/nc/modes.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error as IOError`
[INFO] [stdout]  --> src/ping/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Error as IOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/ping/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/ping/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::{bail, Error, Result, Context, anyhow};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(TcpStream::connect(addr));
[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/nc/modes.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let stream_read = try!(TcpStream::connect(host)
[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/nc/modes.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(socket.connect(host)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nc/modes.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(TcpStream::connect(addr));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/ping/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error as IOError`
[INFO] [stdout]  --> src/ping/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Error as IOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/ping/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/ping/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::{bail, Error, Result, Context, anyhow};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:41:76
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         format!("failed to parse '{}', {}", port_string, e.description()).as_str(),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:41:76
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         format!("failed to parse '{}', {}", port_string, e.description()).as_str(),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         format!("Can't send to {}, {}", host, e.description()).as_str(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         format!("Can't send to {}, {}", host, e.description()).as_str(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:116:75
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   format!("Can't read from {}, {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:126:70
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     format!("Failed to connect to '{}', {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:116:75
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   format!("Can't read from {}, {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:126:70
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     format!("Failed to connect to '{}', {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:451:33
[INFO] [stdout]     |
[INFO] [stdout] 451 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:479:33
[INFO] [stdout]     |
[INFO] [stdout] 479 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:511:33
[INFO] [stdout]     |
[INFO] [stdout] 511 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut channel: Option<&mut Channel> = channels_lock.0.get_mut(channel_number);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |             let mut channel: &mut Channel = channel.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcpd/dhcp/mod.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub struct Dhcp {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 3  |     pub op: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 4  |     pub htype: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 5  |     pub hlen: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 6  |     pub hops: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 7  |     pub tid: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 8  |     pub secs: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 15 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcpd/dhcp/mod.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub struct Dhcp {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 3  |     pub op: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 4  |     pub htype: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 5  |     pub hlen: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 6  |     pub hops: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 7  |     pub tid: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 8  |     pub secs: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 15 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:451:33
[INFO] [stdout]     |
[INFO] [stdout] 451 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:479:33
[INFO] [stdout]     |
[INFO] [stdout] 479 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:511:33
[INFO] [stdout]     |
[INFO] [stdout] 511 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut channel: Option<&mut Channel> = channels_lock.0.get_mut(channel_number);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |             let mut channel: &mut Channel = channel.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "bf6c5b364dcce4729ce8280632e19a19531d655123fa76adde933edb0961cdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6c5b364dcce4729ce8280632e19a19531d655123fa76adde933edb0961cdc2", kill_on_drop: false }`
[INFO] [stdout] bf6c5b364dcce4729ce8280632e19a19531d655123fa76adde933edb0961cdc2
[INFO] checking redox-os/netutils against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fnetutils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/netutils on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/netutils
[INFO] finished tweaking git repo https://github.com/redox-os/netutils
[INFO] tweaked toml for git repo https://github.com/redox-os/netutils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/netutils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107e7cf674e5946fa9d29a448d56269e70d2e2a36a1e7be5f9bed0067f27a063
[INFO] running `Command { std: "docker" "start" "-a" "107e7cf674e5946fa9d29a448d56269e70d2e2a36a1e7be5f9bed0067f27a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107e7cf674e5946fa9d29a448d56269e70d2e2a36a1e7be5f9bed0067f27a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107e7cf674e5946fa9d29a448d56269e70d2e2a36a1e7be5f9bed0067f27a063", kill_on_drop: false }`
[INFO] [stdout] 107e7cf674e5946fa9d29a448d56269e70d2e2a36a1e7be5f9bed0067f27a063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e770347f29381a840c2c6f4db45bce5e9b74db688c684e4a221d52466014b0
[INFO] running `Command { std: "docker" "start" "-a" "89e770347f29381a840c2c6f4db45bce5e9b74db688c684e4a221d52466014b0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking redox_syscall v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking arg_parser v0.1.0 (https://gitlab.redox-os.org/redox-os/arg-parser.git#1c434b55)
[INFO] [stderr]     Checking redox_termios v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking libredox v0.0.4
[INFO] [stderr]     Checking libredox v0.0.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking net2 v0.2.37 (https://gitlab.redox-os.org/redox-os/net2-rs.git?branch=master#db0604dc)
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]     Checking redox-daemon v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking redox_event v0.3.0
[INFO] [stderr]     Checking ntpclient v0.0.1 (https://github.com/willem66745/ntpclient-rust#7e3bdf60)
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking netutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let stream_read = try!(TcpStream::connect(host)
[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/nc/modes.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(socket.connect(host)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nc/modes.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(TcpStream::connect(addr));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/ping/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/ping/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error as IOError`
[INFO] [stdout]  --> src/ping/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Error as IOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/ping/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error as IOError`
[INFO] [stdout]  --> src/ping/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Error as IOError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/ping/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::{bail, Error, Result, Context, anyhow};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/ping/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/ping/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::{bail, Error, Result, Context, anyhow};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/irc/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(TcpStream::connect(addr));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:41:76
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         format!("failed to parse '{}', {}", port_string, e.description()).as_str(),
[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/nc/modes.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let stream_read = try!(TcpStream::connect(host)
[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/nc/modes.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nc/modes.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(socket.connect(host)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:41:76
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         format!("failed to parse '{}', {}", port_string, e.description()).as_str(),
[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/nc/modes.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nc/modes.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         format!("Can't send to {}, {}", host, e.description()).as_str(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/whois/main.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         format!("Can't send to {}, {}", host, e.description()).as_str(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:116:75
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   format!("Can't read from {}, {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:126:70
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     format!("Failed to connect to '{}', {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:116:75
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   format!("Can't read from {}, {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/whois/main.rs:126:70
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     format!("Failed to connect to '{}', {}", host, e.description()).as_str(),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcpd/dhcp/mod.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub struct Dhcp {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 3  |     pub op: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 4  |     pub htype: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 5  |     pub hlen: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 6  |     pub hops: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 7  |     pub tid: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 8  |     pub secs: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 15 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/dhcpd/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file = OpenOptions::new().read(false).write(true).create(false).open(&path)
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 44 |     file.sync_data()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcpd/dhcp/mod.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub struct Dhcp {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 3  |     pub op: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 4  |     pub htype: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 5  |     pub hlen: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 6  |     pub hops: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 7  |     pub tid: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 8  |     pub secs: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 15 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/dhcpd/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file = OpenOptions::new().read(false).write(true).create(false).open(&path)
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 44 |     file.sync_data()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netutils` (bin "dhcpd" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `netutils` (bin "dhcpd") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:451:33
[INFO] [stdout]     |
[INFO] [stdout] 451 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:479:33
[INFO] [stdout]     |
[INFO] [stdout] 479 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:511:33
[INFO] [stdout]     |
[INFO] [stdout] 511 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut channel: Option<&mut Channel> = channels_lock.0.get_mut(channel_number);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |             let mut channel: &mut Channel = channel.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/irc/main.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |       pub fn connect<A: ToSocketAddrs>(addr: A) -> Result<Socket> {
[INFO] [stdout]    |                                        ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |           let file = try!(TcpStream::connect(addr));
[INFO] [stdout]    |               ----   ------------------------------
[INFO] [stdout]    |               |      |
[INFO] [stdout]    |               |      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |               |      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |               these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 25 |           Ok(Socket {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 26 | |             file: UnsafeCell::new(file)
[INFO] [stdout] 27 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netutils` (bin "irc") due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...                   let mut channels_lock = channels.lock().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:451:33
[INFO] [stdout]     |
[INFO] [stdout] 451 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:479:33
[INFO] [stdout]     |
[INFO] [stdout] 479 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:511:33
[INFO] [stdout]     |
[INFO] [stdout] 511 | ...                   let mut channel = channel.unwrap();
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut channel: Option<&mut Channel> = channels_lock.0.get_mut(channel_number);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/irc/main.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |             let mut channel: &mut Channel = channel.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/irc/main.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |       pub fn connect<A: ToSocketAddrs>(addr: A) -> Result<Socket> {
[INFO] [stdout]    |                                        ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |           let file = try!(TcpStream::connect(addr));
[INFO] [stdout]    |               ----   ------------------------------
[INFO] [stdout]    |               |      |
[INFO] [stdout]    |               |      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |               |      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |               these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 25 |           Ok(Socket {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 26 | |             file: UnsafeCell::new(file)
[INFO] [stdout] 27 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netutils` (bin "irc" test) due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "89e770347f29381a840c2c6f4db45bce5e9b74db688c684e4a221d52466014b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e770347f29381a840c2c6f4db45bce5e9b74db688c684e4a221d52466014b0", kill_on_drop: false }`
[INFO] [stdout] 89e770347f29381a840c2c6f4db45bce5e9b74db688c684e4a221d52466014b0