[INFO] cloning repository https://github.com/ahpulug/dnss
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahpulug/dnss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahpulug%2Fdnss"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahpulug%2Fdnss'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c58e61b9cdeb3fff06f70ed672c210260c3e674
[INFO] checking ahpulug/dnss against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahpulug%2Fdnss" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahpulug/dnss on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ahpulug/dnss
[INFO] finished tweaking git repo https://github.com/ahpulug/dnss
[INFO] tweaked toml for git repo https://github.com/ahpulug/dnss written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ahpulug/dnss already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dbc4d9184b2310ac5a55995fc2dd29aa387f0d328fa92db73daaabca5a0d26b
[INFO] running `"docker" "start" "-a" "6dbc4d9184b2310ac5a55995fc2dd29aa387f0d328fa92db73daaabca5a0d26b"`
[INFO] [stderr]    Compiling openssl v0.10.13
[INFO] [stderr]    Compiling openssl-sys v0.9.37
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking dnss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bytepacketbuffer.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read,Error,ErrorKind,Result};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bytepacketbuffer.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read,Error,ErrorKind,Result};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Bytes`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Bytes`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qname`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let qname = "www.yahoo.com";
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_qname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qtype`
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let qtype = QueryType::A;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_qtype`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let (amt,src) = socket.recv_from(&mut bytebuffer.buf).unwrap();
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qname`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let qname = "www.yahoo.com";
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_qname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qtype`
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let qtype = QueryType::A;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_qtype`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let (amt,src) = socket.recv_from(&mut bytebuffer.buf).unwrap();
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `"docker" "inspect" "6dbc4d9184b2310ac5a55995fc2dd29aa387f0d328fa92db73daaabca5a0d26b"`
[INFO] running `"docker" "rm" "-f" "6dbc4d9184b2310ac5a55995fc2dd29aa387f0d328fa92db73daaabca5a0d26b"`
[INFO] [stdout] 6dbc4d9184b2310ac5a55995fc2dd29aa387f0d328fa92db73daaabca5a0d26b