[INFO] updating cached repository https://github.com/MAKLs/rdns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/MAKLs/rdns
[INFO] [stderr]  - [deleted]         (none)     -> tcp-server
[INFO] [stderr]    9dd6f53..1a6dc91  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a6dc91f628fccde02f4ccfcff5d7c10671d7482
[INFO] testing MAKLs/rdns against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAKLs%2Frdns" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MAKLs/rdns on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MAKLs/rdns
[INFO] finished tweaking git repo https://github.com/MAKLs/rdns
[INFO] tweaked toml for git repo https://github.com/MAKLs/rdns written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/MAKLs/rdns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 0b44e7f273327b33d8d5e441cb940927f454997ff6159a8442b358aa33a2800f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0b44e7f273327b33d8d5e441cb940927f454997ff6159a8442b358aa33a2800f"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ExtendingBuffer`
[INFO] [stderr]  --> src/dns/network.rs:1:51
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::buffer::{ByteBuffer, BytePacketBuffer, ExtendingBuffer, VariableBuffer};
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/dns/network.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Read, Result, Write};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recursive`
[INFO] [stderr]   --> src/dns/resolver.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn resolve(&self, qname: &str, qtype: QueryType, recursive: bool) -> Result<DnsPacket> {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recursive`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dns/server.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `"docker" "inspect" "0b44e7f273327b33d8d5e441cb940927f454997ff6159a8442b358aa33a2800f"`
[INFO] running `"docker" "rm" "-f" "0b44e7f273327b33d8d5e441cb940927f454997ff6159a8442b358aa33a2800f"`
[INFO] [stdout] 0b44e7f273327b33d8d5e441cb940927f454997ff6159a8442b358aa33a2800f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48d17e58739b8aa8d48d72fb6915caf70471eb5efc3c3610cb14f178323803b2
[INFO] running `"docker" "start" "-a" "48d17e58739b8aa8d48d72fb6915caf70471eb5efc3c3610cb14f178323803b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ExtendingBuffer`
[INFO] [stderr]  --> src/dns/network.rs:1:51
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::buffer::{ByteBuffer, BytePacketBuffer, ExtendingBuffer, VariableBuffer};
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/dns/network.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Read, Result, Write};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recursive`
[INFO] [stderr]   --> src/dns/resolver.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn resolve(&self, qname: &str, qtype: QueryType, recursive: bool) -> Result<DnsPacket> {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recursive`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dns/server.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "48d17e58739b8aa8d48d72fb6915caf70471eb5efc3c3610cb14f178323803b2"`
[INFO] running `"docker" "rm" "-f" "48d17e58739b8aa8d48d72fb6915caf70471eb5efc3c3610cb14f178323803b2"`
[INFO] [stdout] 48d17e58739b8aa8d48d72fb6915caf70471eb5efc3c3610cb14f178323803b2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b189ce72ef0a51e05aae1b4d355e456eafc3f9a9c1246f758d5a2a57e30d18ca
[INFO] running `"docker" "start" "-a" "b189ce72ef0a51e05aae1b4d355e456eafc3f9a9c1246f758d5a2a57e30d18ca"`
[INFO] [stderr] warning: unused import: `ExtendingBuffer`
[INFO] [stderr]  --> src/dns/network.rs:1:51
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::buffer::{ByteBuffer, BytePacketBuffer, ExtendingBuffer, VariableBuffer};
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/dns/network.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Read, Result, Write};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recursive`
[INFO] [stderr]   --> src/dns/resolver.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn resolve(&self, qname: &str, qtype: QueryType, recursive: bool) -> Result<DnsPacket> {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recursive`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dns/server.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rdns-fb802ade826e25e2
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b189ce72ef0a51e05aae1b4d355e456eafc3f9a9c1246f758d5a2a57e30d18ca"`
[INFO] running `"docker" "rm" "-f" "b189ce72ef0a51e05aae1b4d355e456eafc3f9a9c1246f758d5a2a57e30d18ca"`
[INFO] [stdout] b189ce72ef0a51e05aae1b4d355e456eafc3f9a9c1246f758d5a2a57e30d18ca