[INFO] cloning repository https://github.com/bkatrenko/dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkatrenko/dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkatrenko%2Fdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkatrenko%2Fdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 087899a13e4186c68d5383991d27eb40516996fb
[INFO] testing bkatrenko/dns against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkatrenko%2Fdns" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bkatrenko/dns
[INFO] finished tweaking git repo https://github.com/bkatrenko/dns
[INFO] tweaked toml for git repo https://github.com/bkatrenko/dns written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bkatrenko/dns on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bkatrenko/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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602ed1ef042f3a50e2b7ed9d0093009c45a6c6ff0f6dd380dd670cf8db8d47f7
[INFO] running `Command { std: "docker" "start" "-a" "602ed1ef042f3a50e2b7ed9d0093009c45a6c6ff0f6dd380dd670cf8db8d47f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602ed1ef042f3a50e2b7ed9d0093009c45a6c6ff0f6dd380dd670cf8db8d47f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602ed1ef042f3a50e2b7ed9d0093009c45a6c6ff0f6dd380dd670cf8db8d47f7", kill_on_drop: false }`
[INFO] [stdout] 602ed1ef042f3a50e2b7ed9d0093009c45a6c6ff0f6dd380dd670cf8db8d47f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75fdf0c7077d1adeebf8211f0bc581554f93e9036c9b7f25ab23b553ae1f0b8
[INFO] running `Command { std: "docker" "start" "-a" "a75fdf0c7077d1adeebf8211f0bc581554f93e9036c9b7f25ab23b553ae1f0b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/parser/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::Display};
[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 variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |         DNSRecord::A { len, ip } => IpAddr::V4(ip),
[INFO] [stdout]     |                        ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 172 |         DNSRecord::AAAA { len, ip } => IpAddr::V6(ip),
[INFO] [stdout]     |                           ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |         DNSRecord::NS { len, name_server } => name_server,
[INFO] [stdout]     |                         ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |         DNSRecord::CNAME { len, cname } => cname,
[INFO] [stdout]     |                            ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]  --> src/parser/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DNSPacket {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 9 |     buf: buffer::ByteBuffer,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DNSPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 15.39s
[INFO] running `Command { std: "docker" "inspect" "a75fdf0c7077d1adeebf8211f0bc581554f93e9036c9b7f25ab23b553ae1f0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75fdf0c7077d1adeebf8211f0bc581554f93e9036c9b7f25ab23b553ae1f0b8", kill_on_drop: false }`
[INFO] [stdout] a75fdf0c7077d1adeebf8211f0bc581554f93e9036c9b7f25ab23b553ae1f0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d6c96fde37fb1840be2a1d4de902204b5508dbb9ecd96e9691f4e62fdbb2f93
[INFO] running `Command { std: "docker" "start" "-a" "6d6c96fde37fb1840be2a1d4de902204b5508dbb9ecd96e9691f4e62fdbb2f93", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/parser/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::Display};
[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 variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |         DNSRecord::A { len, ip } => IpAddr::V4(ip),
[INFO] [stdout]     |                        ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 172 |         DNSRecord::AAAA { len, ip } => IpAddr::V6(ip),
[INFO] [stdout]     |                           ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |         DNSRecord::NS { len, name_server } => name_server,
[INFO] [stdout]     |                         ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |         DNSRecord::CNAME { len, cname } => cname,
[INFO] [stdout]     |                            ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]  --> src/parser/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DNSPacket {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 9 |     buf: buffer::ByteBuffer,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DNSPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/parser/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, path::Display};
[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 variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |         DNSRecord::A { len, ip } => IpAddr::V4(ip),
[INFO] [stdout]     |                        ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 172 |         DNSRecord::AAAA { len, ip } => IpAddr::V6(ip),
[INFO] [stdout]     |                           ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |         DNSRecord::NS { len, name_server } => name_server,
[INFO] [stdout]     |                         ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/resolver/network_resolver.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |         DNSRecord::CNAME { len, cname } => cname,
[INFO] [stdout]     |                            ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]  --> src/parser/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DNSPacket {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 9 |     buf: buffer::ByteBuffer,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DNSPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/resolver/network_resolver.rs:228:81
[INFO] [stdout]     |
[INFO] [stdout] 228 |         fn new(responses: Vec<&'a DNSPacket>, error: Option<Box<dyn Error>>) -> MockResolver {
[INFO] [stdout]     |                                -- the lifetime is named here                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 228 |         fn new(responses: Vec<&'a DNSPacket>, error: Option<Box<dyn Error>>) -> MockResolver<'a> {
[INFO] [stdout]     |                                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "6d6c96fde37fb1840be2a1d4de902204b5508dbb9ecd96e9691f4e62fdbb2f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6c96fde37fb1840be2a1d4de902204b5508dbb9ecd96e9691f4e62fdbb2f93", kill_on_drop: false }`
[INFO] [stdout] 6d6c96fde37fb1840be2a1d4de902204b5508dbb9ecd96e9691f4e62fdbb2f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de4379def7270adc18fd672332aa0cbe287605b0db57cd740ac5e6aff7aa226a
[INFO] running `Command { std: "docker" "start" "-a" "de4379def7270adc18fd672332aa0cbe287605b0db57cd740ac5e6aff7aa226a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `path::Display`
[INFO] [stderr]  --> src/parser/mod.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{error::Error, path::Display};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/resolver/network_resolver.rs:171:24
[INFO] [stderr]     |
[INFO] [stderr] 171 |         DNSRecord::A { len, ip } => IpAddr::V4(ip),
[INFO] [stderr]     |                        ^^^ help: try ignoring the field: `len: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/resolver/network_resolver.rs:172:27
[INFO] [stderr]     |
[INFO] [stderr] 172 |         DNSRecord::AAAA { len, ip } => IpAddr::V6(ip),
[INFO] [stderr]     |                           ^^^ help: try ignoring the field: `len: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/resolver/network_resolver.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         DNSRecord::NS { len, name_server } => name_server,
[INFO] [stderr]     |                         ^^^ help: try ignoring the field: `len: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/resolver/network_resolver.rs:181:28
[INFO] [stderr]     |
[INFO] [stderr] 181 |         DNSRecord::CNAME { len, cname } => cname,
[INFO] [stderr]     |                            ^^^ help: try ignoring the field: `len: _`
[INFO] [stderr] 
[INFO] [stderr] warning: field `buf` is never read
[INFO] [stderr]  --> src/parser/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct DNSPacket {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 9 |     buf: buffer::ByteBuffer,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DNSPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/resolver/network_resolver.rs:228:81
[INFO] [stderr]     |
[INFO] [stderr] 228 |         fn new(responses: Vec<&'a DNSPacket>, error: Option<Box<dyn Error>>) -> MockResolver {
[INFO] [stderr]     |                                -- the lifetime is named here                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 228 |         fn new(responses: Vec<&'a DNSPacket>, error: Option<Box<dyn Error>>) -> MockResolver<'a> {
[INFO] [stderr]     |                                                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dns` (lib) generated 6 warnings (run `cargo fix --lib -p dns` to apply 5 suggestions)
[INFO] [stderr] warning: `dns` (lib test) generated 7 warnings (6 duplicates) (run `cargo fix --lib -p dns --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dns-5cf5e3f1efc27995)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test parser::tests::header_to_bytes ... ok
[INFO] [stdout] test parser::tests::dns_packet_to_bytes ... ok
[INFO] [stdout] test parser::tests::parse_aaaa_response_packet ... ok
[INFO] [stdout] test parser::tests::parse_dns_packet_header_question ... ok
[INFO] [stdout] test parser::buffer::tests::buffer_test ... ok
[INFO] [stdout] test parser::tests::parse_dns_packet_header_response ... ok
[INFO] [stdout] test parser::tests::parse_dns_packet_question ... ok
[INFO] [stdout] test parser::tests::parse_dns_packet_response ... ok
[INFO] [stdout] test parser::tests::parse_dns_packet_response_only ... ok
[INFO] [stdout] test parser::tests::parse_mx_query_packet ... ok
[INFO] [stdout] test parser::tests::parse_mx_response_packet ... ok
[INFO] [stdout] test parser::tests::parse_ns_packet ... ok
[INFO] [stdout] test parser::tests::parse_txt_response_packet ... ok
[INFO] [stdout] test parser::tests::questions_to_bytes ... ok
[INFO] [stdout] test parser::tests::response_to_bytes ... ok
[INFO] [stdout] test parser::tests::write_multi_response_types_object ... ok
[INFO] [stdout] test parser::tests::parse_multi_response_types_object ... ok
[INFO] [stdout] test parser::tests::parse_aaaa_query_packet ... ok
[INFO] [stdout] test parser::tests::parse_multipart_response ... ok
[INFO] [stdout] test resolver::network_resolver::tests::simple_resolve ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- resolver::network_resolver::tests::simple_resolve stdout ----
[INFO] [stdout] INFO id: test, message id: 1234, start recursive resolution, questions: 1
[INFO] [stdout] INFO id: test, message id: 1234, root server resolution: test.local, record type: A, record class: IN
[INFO] [stdout] INTO id: test, resolve test.local with NS address: 192.33.4.12, question is: DNSQuestionPart { buffer_offset: 12, question_name: "test.local", dns_record_type: A, dns_record_class: IN }
[INFO] [stdout] 
[INFO] [stdout] thread 'resolver::network_resolver::tests::simple_resolve' (37) panicked at src/resolver/network_resolver.rs:313:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6400b4eb64da - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6400b4eb64da - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6400b4eb64da - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6400b4eb64da - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6400b4ecbb3a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6400b4ecbb3a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x6400b4ebad72 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x6400b4ebad72 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x6400b4e951df - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6400b4e951df - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6400b4eae639 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6400b4e12dec - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x6400b4e12dec - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6400b4eae7f2 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x6400b4eae7f2 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6400b4e95298 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6400b4e8a359 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6400b4e95fad - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6400b4ecc28c - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6400b4ecc002 - core[4a92201981c6b77a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x6400b4dee614 - <core[4a92201981c6b77a]::result::Result<dns[513358f50538a83c]::parser::DNSPacket, alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::error::Error>>>::unwrap
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6400b4dee614 - dns[513358f50538a83c]::resolver::network_resolver::tests::simple_resolve
[INFO] [stdout]                                at /opt/rustwide/workdir/src/resolver/network_resolver.rs:313:42
[INFO] [stdout]   22:     0x6400b4deac07 - dns[513358f50538a83c]::resolver::network_resolver::tests::simple_resolve::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/resolver/network_resolver.rs:268:24
[INFO] [stdout]   23:     0x6400b4df3266 - <dns[513358f50538a83c]::resolver::network_resolver::tests::simple_resolve::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6400b4e060cb - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6400b4e060cb - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6400b4e138bb - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6400b4e138bb - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6400b4e138bb - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6400b4e138bb - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6400b4e138bb - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6400b4e138bb - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6400b4e138bb - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6400b4e0cfd4 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6400b4e0cfd4 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6400b4e164c2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6400b4e164c2 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6400b4e164c2 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6400b4e164c2 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6400b4e164c2 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6400b4e164c2 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6400b4e164c2 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6400b4eb5aef - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x6400b4eb5aef - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x79b92976caa4 - <unknown>
[INFO] [stdout]   45:     0x79b9297f9a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     resolver::network_resolver::tests::simple_resolve
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "de4379def7270adc18fd672332aa0cbe287605b0db57cd740ac5e6aff7aa226a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4379def7270adc18fd672332aa0cbe287605b0db57cd740ac5e6aff7aa226a", kill_on_drop: false }`
[INFO] [stdout] de4379def7270adc18fd672332aa0cbe287605b0db57cd740ac5e6aff7aa226a
