[INFO] cloning repository https://github.com/s5003597/rDNS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s5003597/rDNS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs5003597%2FrDNS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs5003597%2FrDNS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 651ca6e5bb8a4640539d894c7f1a7ee064939cd2
[INFO] testing s5003597/rDNS against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs5003597%2FrDNS" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/s5003597/rDNS
[INFO] finished tweaking git repo https://github.com/s5003597/rDNS
[INFO] tweaked toml for git repo https://github.com/s5003597/rDNS written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/s5003597/rDNS on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/s5003597/rDNS 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a54ce440895fce0a3f07d4fd10a5794e2afe7dca0fe7507043c6dc1db3d4fd
[INFO] running `Command { std: "docker" "start" "-a" "c4a54ce440895fce0a3f07d4fd10a5794e2afe7dca0fe7507043c6dc1db3d4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a54ce440895fce0a3f07d4fd10a5794e2afe7dca0fe7507043c6dc1db3d4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a54ce440895fce0a3f07d4fd10a5794e2afe7dca0fe7507043c6dc1db3d4fd", kill_on_drop: false }`
[INFO] [stdout] c4a54ce440895fce0a3f07d4fd10a5794e2afe7dca0fe7507043c6dc1db3d4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 5416340c494fa5e4bbec96dcbfbcec11cac896fda2035c1d66cc931167867ea7
[INFO] running `Command { std: "docker" "start" "-a" "5416340c494fa5e4bbec96dcbfbcec11cac896fda2035c1d66cc931167867ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                      ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout] 36 +     pub fn read(&mut self) -> Result<u8 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                            ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout] 36 +     pub fn read(&mut self) -> Result<(u8), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:48:49
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                                 ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout] 48 +     pub fn get(&mut self, pos: usize) -> Result<u8 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:48:55
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout] 48 +     pub fn get(&mut self, pos: usize) -> Result<(u8), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:55:69
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<&[u8] , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:55:78
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout]    |                                                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:63:42
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout]    |                                          ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout] 63 +     pub fn read_u16(&mut self) -> Result<u16 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:63:49
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout] 63 +     pub fn read_u16(&mut self) -> Result<(u16), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout]    |                                          ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout] 67 +     pub fn read_u32(&mut self) -> Result<u32 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:67:49
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout] 67 +     pub fn read_u32(&mut self) -> Result<(u32), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:76:69
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stdout] 76 +     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:129:52
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout] 129 +     pub fn write(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:138:55
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout] 138 +     pub fn write_u8(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:143:57
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                         ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stdout] 143 +     pub fn write_u16(&mut self, val: u16) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:150:57
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                         ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stdout] 150 +     pub fn write_u32(&mut self, val: u32) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:159:62
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stdout] 159 +     pub fn write_qname(&mut self, qname: &str) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/header.rs:49:73
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 49 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/header.rs:76:70
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 76 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                 ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<DnsPacket , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:35:78
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:63:74
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 63 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/questions.rs:19:73
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 19 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/questions.rs:27:74
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 27 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/record.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout]    |                                                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<DnsRecord , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/record.rs:49:71
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout]    |                                                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/record.rs:141:66
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout]     |                                                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize , (Error)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/record.rs:141:75
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout]     |                                                                           ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:25:73
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                         ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<DnsPacket, (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:25:86
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:105:62
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]     |                                                              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<DnsPacket, (Error)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:105:75
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]     |                                                                           ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_2` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn test_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "5416340c494fa5e4bbec96dcbfbcec11cac896fda2035c1d66cc931167867ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5416340c494fa5e4bbec96dcbfbcec11cac896fda2035c1d66cc931167867ea7", kill_on_drop: false }`
[INFO] [stdout] 5416340c494fa5e4bbec96dcbfbcec11cac896fda2035c1d66cc931167867ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 8cf718daf15f2dafec8571049d9e1bf89f67b55d30b8daaad3531eb6f489d901
[INFO] running `Command { std: "docker" "start" "-a" "8cf718daf15f2dafec8571049d9e1bf89f67b55d30b8daaad3531eb6f489d901", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                      ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout] 36 +     pub fn read(&mut self) -> Result<u8 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                            ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stdout] 36 +     pub fn read(&mut self) -> Result<(u8), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:48:49
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                                 ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout] 48 +     pub fn get(&mut self, pos: usize) -> Result<u8 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:48:55
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout]    |                                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stdout] 48 +     pub fn get(&mut self, pos: usize) -> Result<(u8), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:55:69
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<&[u8] , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:55:78
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout]    |                                                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stdout] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:63:42
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout]    |                                          ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout] 63 +     pub fn read_u16(&mut self) -> Result<u16 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:63:49
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stdout] 63 +     pub fn read_u16(&mut self) -> Result<(u16), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout]    |                                          ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout] 67 +     pub fn read_u32(&mut self) -> Result<u32 , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:67:49
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout]    |                                                 ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stdout] 67 +     pub fn read_u32(&mut self) -> Result<(u32), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/bytepacketbuffer.rs:76:69
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stdout] 76 +     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:129:52
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout] 129 +     pub fn write(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:138:55
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stdout] 138 +     pub fn write_u8(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:143:57
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                         ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stdout] 143 +     pub fn write_u16(&mut self, val: u16) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:150:57
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                         ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stdout] 150 +     pub fn write_u32(&mut self, val: u32) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bytepacketbuffer.rs:159:62
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stdout]     |                                                              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stdout] 159 +     pub fn write_qname(&mut self, qname: &str) -> Result<(), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/header.rs:49:73
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 49 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/header.rs:76:70
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 76 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                 ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<DnsPacket , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:35:78
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dns_packet.rs:63:74
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 63 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/questions.rs:19:73
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 19 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/questions.rs:27:74
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout]    |                                                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stdout] 27 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/record.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout]    |                                                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<DnsRecord , (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/record.rs:49:71
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout]    |                                                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stdout] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/record.rs:141:66
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout]     |                                                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize , (Error)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/record.rs:141:75
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout]     |                                                                           ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stdout] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), Error > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:25:73
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                         ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<DnsPacket, (Error)> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:25:86
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]    |                                                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:105:62
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]     |                                                              ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<DnsPacket, (Error)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:105:75
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout]     |                                                                           ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stdout] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_2` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn test_2() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8cf718daf15f2dafec8571049d9e1bf89f67b55d30b8daaad3531eb6f489d901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf718daf15f2dafec8571049d9e1bf89f67b55d30b8daaad3531eb6f489d901", kill_on_drop: false }`
[INFO] [stdout] 8cf718daf15f2dafec8571049d9e1bf89f67b55d30b8daaad3531eb6f489d901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e0cfdd4e5e01d8f0b2460b1b3db45a339c7e0c840f0de7ab4d8a8dbaf638a84f
[INFO] running `Command { std: "docker" "start" "-a" "e0cfdd4e5e01d8f0b2460b1b3db45a339c7e0c840f0de7ab4d8a8dbaf638a84f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stderr]    |                                      ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stderr] 36 +     pub fn read(&mut self) -> Result<u8 , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:36:44
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stderr]    |                                            ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 36 -     pub fn read(&mut self) -> Result<(u8), (Error)> {
[INFO] [stderr] 36 +     pub fn read(&mut self) -> Result<(u8), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:48:49
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stderr]    |                                                 ^  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stderr] 48 +     pub fn get(&mut self, pos: usize) -> Result<u8 , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:48:55
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stderr]    |                                                       ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -     pub fn get(&mut self, pos: usize) -> Result<(u8), (Error)> {
[INFO] [stderr] 48 +     pub fn get(&mut self, pos: usize) -> Result<(u8), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:55:69
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stderr]    |                                                                     ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stderr] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<&[u8] , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:55:78
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stderr]    |                                                                              ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), (Error)> {
[INFO] [stderr] 55 +     pub fn get_range(&mut self, start: usize, len: usize) -> Result<(&[u8]), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:63:42
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stderr]    |                                          ^   ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stderr] 63 +     pub fn read_u16(&mut self) -> Result<u16 , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:63:49
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stderr]    |                                                 ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 63 -     pub fn read_u16(&mut self) -> Result<(u16), (Error)> {
[INFO] [stderr] 63 +     pub fn read_u16(&mut self) -> Result<(u16), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:67:42
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stderr]    |                                          ^   ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stderr] 67 +     pub fn read_u32(&mut self) -> Result<u32 , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:67:49
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stderr]    |                                                 ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -     pub fn read_u32(&mut self) -> Result<(u32), (Error)> {
[INFO] [stderr] 67 +     pub fn read_u32(&mut self) -> Result<(u32), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bytepacketbuffer.rs:76:69
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                     ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), (Error)> {
[INFO] [stderr] 76 +     pub fn read_qname(&mut self, outstr: &mut String) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/bytepacketbuffer.rs:129:52
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stderr]     |                                                    ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 129 -     pub fn write(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stderr] 129 +     pub fn write(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/bytepacketbuffer.rs:138:55
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stderr]     |                                                       ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 138 -     pub fn write_u8(&mut self, val: u8) -> Result<(), (Error)> {
[INFO] [stderr] 138 +     pub fn write_u8(&mut self, val: u8) -> Result<(), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/bytepacketbuffer.rs:143:57
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stderr]     |                                                         ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 143 -     pub fn write_u16(&mut self, val: u16) -> Result<(), (Error)> {
[INFO] [stderr] 143 +     pub fn write_u16(&mut self, val: u16) -> Result<(), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/bytepacketbuffer.rs:150:57
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stderr]     |                                                         ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 150 -     pub fn write_u32(&mut self, val: u32) -> Result<(), (Error)> {
[INFO] [stderr] 150 +     pub fn write_u32(&mut self, val: u32) -> Result<(), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/bytepacketbuffer.rs:159:62
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stderr]     |                                                              ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -     pub fn write_qname(&mut self, qname: &str) -> Result<(), (Error)> {
[INFO] [stderr] 159 +     pub fn write_qname(&mut self, qname: &str) -> Result<(), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/header.rs:49:73
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                         ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 49 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr] 49 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/header.rs:76:70
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                      ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr] 76 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/dns_packet.rs:35:65
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]    |                                                                 ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<DnsPacket , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/dns_packet.rs:35:78
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]    |                                                                              ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 35 -     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 35 +     pub fn from_buffer(buffer: &mut BytePacketBuffer) -> Result<(DnsPacket), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/dns_packet.rs:63:74
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                          ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 63 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr] 63 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/questions.rs:19:73
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                         ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 19 -     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr] 19 +     pub fn read(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/questions.rs:27:74
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr]    |                                                                          ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), (Error)> {
[INFO] [stderr] 27 +     pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<(), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/record.rs:49:58
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stderr]    |                                                          ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stderr] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<DnsRecord , (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/record.rs:49:71
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stderr]    |                                                                       ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 49 -     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), (Error)> {
[INFO] [stderr] 49 +     pub fn read(buffer: &mut BytePacketBuffer) -> Result<(DnsRecord), Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/record.rs:141:66
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stderr]     |                                                                  ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stderr] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<usize , (Error)> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/record.rs:141:75
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stderr]     |                                                                           ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 141 -     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), (Error)> {
[INFO] [stderr] 141 +     pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result<(usize), Error > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:25:73
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]    |                                                                         ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<DnsPacket, (Error)> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:25:86
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]    |                                                                                      ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 - fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 25 + fn lookup(qname: &str, qtype: QueryType, server: (&str, u16)) -> Result<(DnsPacket), Error> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:105:62
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]     |                                                              ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<DnsPacket, (Error)> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:105:75
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr]     |                                                                           ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 - fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), (Error)> {
[INFO] [stderr] 105 + fn recursive_lookup(qname: &str, qtype: QueryType) -> Result<(DnsPacket), Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_2` is never used
[INFO] [stderr]   --> src/main.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn test_2() {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rdns` (bin "rdns" test) generated 32 warnings (run `cargo fix --bin "rdns" -p rdns --tests` to apply 31 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/rdns/b194ac9195b54967/deps/rdns-b194ac9195b54967)
[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" "e0cfdd4e5e01d8f0b2460b1b3db45a339c7e0c840f0de7ab4d8a8dbaf638a84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cfdd4e5e01d8f0b2460b1b3db45a339c7e0c840f0de7ab4d8a8dbaf638a84f", kill_on_drop: false }`
[INFO] [stdout] e0cfdd4e5e01d8f0b2460b1b3db45a339c7e0c840f0de7ab4d8a8dbaf638a84f
