[INFO] updating cached repository https://github.com/ahpulug/dnss
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c58e61b9cdeb3fff06f70ed672c210260c3e674
[INFO] checking ahpulug/dnss against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahpulug%2Fdnss" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahpulug/dnss on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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 work/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 `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 91431c1acbdd46ee16f9db8b770c4e8a8ca6b8bec73edcaf559d1619280d20e4
[INFO] running `"docker" "start" "-a" "91431c1acbdd46ee16f9db8b770c4e8a8ca6b8bec73edcaf559d1619280d20e4"`
[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 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 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]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `"docker" "inspect" "91431c1acbdd46ee16f9db8b770c4e8a8ca6b8bec73edcaf559d1619280d20e4"`
[INFO] running `"docker" "rm" "-f" "91431c1acbdd46ee16f9db8b770c4e8a8ca6b8bec73edcaf559d1619280d20e4"`
[INFO] [stdout] 91431c1acbdd46ee16f9db8b770c4e8a8ca6b8bec73edcaf559d1619280d20e4