[INFO] cloning repository https://github.com/codyd51/mango-dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codyd51/mango-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodyd51%2Fmango-dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodyd51%2Fmango-dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8312b5b79913c39687934e33f3ad0dfdb3062a3
[INFO] checking codyd51/mango-dns against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodyd51%2Fmango-dns" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codyd51/mango-dns
[INFO] finished tweaking git repo https://github.com/codyd51/mango-dns
[INFO] tweaked toml for git repo https://github.com/codyd51/mango-dns written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codyd51/mango-dns on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codyd51/mango-dns 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" "+94e848735e78b58442e0b82e9c60f8f430840389" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking codyd51/mango-dns against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodyd51%2Fmango-dns" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codyd51/mango-dns
[INFO] finished tweaking git repo https://github.com/codyd51/mango-dns
[INFO] tweaked toml for git repo https://github.com/codyd51/mango-dns written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codyd51/mango-dns on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codyd51/mango-dns 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" "+94e848735e78b58442e0b82e9c60f8f430840389" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a090e6fd3a313d4345fd112ca3f7fd06f6268639b491f8bd34a1c8155c8c790
[INFO] running `Command { std: "docker" "start" "-a" "4a090e6fd3a313d4345fd112ca3f7fd06f6268639b491f8bd34a1c8155c8c790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a090e6fd3a313d4345fd112ca3f7fd06f6268639b491f8bd34a1c8155c8c790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a090e6fd3a313d4345fd112ca3f7fd06f6268639b491f8bd34a1c8155c8c790", kill_on_drop: false }`
[INFO] [stdout] 4a090e6fd3a313d4345fd112ca3f7fd06f6268639b491f8bd34a1c8155c8c790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f0f9fbe6d0c72bc0d6b5a23afc782b58203f3c6415b2b6b58155f4b69d0903
[INFO] running `Command { std: "docker" "start" "-a" "c4f0f9fbe6d0c72bc0d6b5a23afc782b58203f3c6415b2b6b58155f4b69d0903", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.3
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[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
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[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
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[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking mango v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DnsRecordData`
[INFO] [stdout]  --> src/main.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 |     DnsPacketRecordType, DnsRecord, DnsRecordClass, DnsRecordData, DnsRecordTtl, DnsRecordType,
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DnsRecordData`
[INFO] [stdout]  --> src/main.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 |     DnsPacketRecordType, DnsRecord, DnsRecordClass, DnsRecordData, DnsRecordTtl, DnsRecordType,
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/packet_parser.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{debug, error, trace};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Ipv4Addr`
[INFO] [stdout]    --> src/packet_parser.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use std::net::Ipv4Addr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/packet_parser.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{debug, error, trace};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitvec::prelude`
[INFO] [stdout]    --> src/packet_header_layout.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use bitvec::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dns_record.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let name = &self.name;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/dns_record.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let name = &self.name;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/packet_writer.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let mut output_packet = DnsPacketWriter::new_packet_from_records(
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_one_packet` is never used
[INFO] [stdout]   --> src/main.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | async fn send_one_packet(resolver: &DnsResolver, socket: &UdpSocket) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_recursion_available` is never read
[INFO] [stdout]   --> src/packet_header.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub(crate) struct DnsPacketHeader {
[INFO] [stdout]    |                   --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) is_recursion_available: bool,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DnsPacketHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_is_recursion_desired`, and `set_is_recursion_available` are never used
[INFO] [stdout]    --> src/packet_header_layout.rs:64:8
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl DnsPacketHeaderRaw {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub(crate) fn set_is_recursion_desired(&mut self, val: bool) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub(crate) fn set_is_recursion_available(&mut self, val: bool) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `write_u8` are never used
[INFO] [stdout]    --> src/packet_writer.rs:40:19
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl DnsPacketWriter {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout]  40 |     pub(crate) fn new() -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn write_u8(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resolve_one_record` is never used
[INFO] [stdout]    --> src/resolver.rs:306:15
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub(crate) fn resolve_one_record(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_one_packet` is never used
[INFO] [stdout]   --> src/main.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | async fn send_one_packet(resolver: &DnsResolver, socket: &UdpSocket) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_u8` is never used
[INFO] [stdout]    --> src/packet_writer.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl DnsPacketWriter {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn write_u8(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resolve_one_record` is never used
[INFO] [stdout]    --> src/resolver.rs:306:15
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub(crate) fn resolve_one_record(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "c4f0f9fbe6d0c72bc0d6b5a23afc782b58203f3c6415b2b6b58155f4b69d0903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f0f9fbe6d0c72bc0d6b5a23afc782b58203f3c6415b2b6b58155f4b69d0903", kill_on_drop: false }`
[INFO] [stdout] c4f0f9fbe6d0c72bc0d6b5a23afc782b58203f3c6415b2b6b58155f4b69d0903
