[INFO] fetching crate erbium-net 1.0.5...
[INFO] testing erbium-net-1.0.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate erbium-net 1.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate erbium-net 1.0.5
[INFO] finished tweaking crates.io crate erbium-net 1.0.5
[INFO] tweaked toml for crates.io crate erbium-net 1.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate erbium-net 1.0.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.0.4)
[INFO] [stderr]       Adding netlink-packet-core v0.5.0 (available: v0.8.1)
[INFO] [stderr]       Adding netlink-packet-route v0.15.0 (available: v0.25.1)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.30.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-packet-core v0.5.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a71a1995ff14a0cfa6b87e030070b32bb6bd63eebd809b59e62ba501a0137b2
[INFO] running `Command { std: "docker" "start" "-a" "7a71a1995ff14a0cfa6b87e030070b32bb6bd63eebd809b59e62ba501a0137b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a71a1995ff14a0cfa6b87e030070b32bb6bd63eebd809b59e62ba501a0137b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a71a1995ff14a0cfa6b87e030070b32bb6bd63eebd809b59e62ba501a0137b2", kill_on_drop: false }`
[INFO] [stdout] 7a71a1995ff14a0cfa6b87e030070b32bb6bd63eebd809b59e62ba501a0137b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3815a80f2c286670760ddd00e354b99e51b692c16eaeff685efe1f53775ae468
[INFO] running `Command { std: "docker" "start" "-a" "3815a80f2c286670760ddd00e354b99e51b692c16eaeff685efe1f53775ae468", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling netlink-packet-utils v0.5.2
[INFO] [stderr]    Compiling netlink-packet-core v0.5.0
[INFO] [stderr]    Compiling netlink-packet-route v0.15.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling netlink-sys v0.8.7
[INFO] [stderr]    Compiling erbium-net v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/socket.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 28 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/udp.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 48 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/socket.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage> {
[INFO] [stdout]    |                            ^^^^^^^^^         -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage<'_>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.47s
[INFO] running `Command { std: "docker" "inspect" "3815a80f2c286670760ddd00e354b99e51b692c16eaeff685efe1f53775ae468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3815a80f2c286670760ddd00e354b99e51b692c16eaeff685efe1f53775ae468", kill_on_drop: false }`
[INFO] [stdout] 3815a80f2c286670760ddd00e354b99e51b692c16eaeff685efe1f53775ae468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d136dfa14eb26b7ffe5abb3302a72519105c28da7503414327055dd169a51f20
[INFO] running `Command { std: "docker" "start" "-a" "d136dfa14eb26b7ffe5abb3302a72519105c28da7503414327055dd169a51f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling erbium-net v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/socket.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 28 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/udp.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 48 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/socket.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage> {
[INFO] [stdout]    |                            ^^^^^^^^^         -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage<'_>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/socket.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 28 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/udp.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout]    |                               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stdout] 48 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/socket.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage> {
[INFO] [stdout]    |                            ^^^^^^^^^         -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage<'_>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "d136dfa14eb26b7ffe5abb3302a72519105c28da7503414327055dd169a51f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d136dfa14eb26b7ffe5abb3302a72519105c28da7503414327055dd169a51f20", kill_on_drop: false }`
[INFO] [stdout] d136dfa14eb26b7ffe5abb3302a72519105c28da7503414327055dd169a51f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01a9c0b1b138c6852e8f7c16618059f680207293496e552de3fb6c5812a49d50
[INFO] running `Command { std: "docker" "start" "-a" "01a9c0b1b138c6852e8f7c16618059f680207293496e552de3fb6c5812a49d50", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/socket.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr]    |                               ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 28 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr] 28 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/udp.rs:48:31
[INFO] [stderr]    |
[INFO] [stderr] 48 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr]    |                               ^                        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr] 48 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/socket.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage> {
[INFO] [stderr]    |                            ^^^^^^^^^         -------------------------------- the same lifetime is hidden here
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn convert_to_cmsg(&mut self) -> Vec<nix::sys::socket::ControlMessage<'_>> {
[INFO] [stderr]    |                                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `erbium-net` (lib) generated 3 warnings (run `cargo fix --lib -p erbium-net` to apply 2 suggestions)
[INFO] [stderr] warning: `erbium-net` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/erbium_net-2d77dd6184a817dc)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_contains ... ok
[INFO] [stdout] test test_prefix ... ok
[INFO] [stdout] test netinfo::test_netinfo_startup ... ok
[INFO] [stdout] test netinfo::test_interface ... ok
[INFO] [stdout] test packet::test_checksum ... ok
[INFO] [stdout] test test_netmask ... ok
[INFO] [stderr]    Doc-tests erbium_net
[INFO] [stdout] test packet::test_udp_packet ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/socket.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr]    |                               ^                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 28 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr] 28 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/udp.rs:48:31
[INFO] [stderr]    |
[INFO] [stderr] 48 |             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr]    |                               ^                        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -             .fold(0, |acc, x| ((acc << 8) | (*x as u32))),
[INFO] [stderr] 48 +             .fold(0, |acc, x| (acc << 8) | (*x as u32)),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01a9c0b1b138c6852e8f7c16618059f680207293496e552de3fb6c5812a49d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a9c0b1b138c6852e8f7c16618059f680207293496e552de3fb6c5812a49d50", kill_on_drop: false }`
[INFO] [stdout] 01a9c0b1b138c6852e8f7c16618059f680207293496e552de3fb6c5812a49d50
