[INFO] cloning repository https://github.com/jdeinum/dns_from_scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdeinum/dns_from_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdeinum%2Fdns_from_scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdeinum%2Fdns_from_scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c501903c42eb9becc02ab35a70f2a54b3cf4ede
[INFO] checking jdeinum/dns_from_scratch against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdeinum%2Fdns_from_scratch" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jdeinum/dns_from_scratch
[INFO] finished tweaking git repo https://github.com/jdeinum/dns_from_scratch
[INFO] tweaked toml for git repo https://github.com/jdeinum/dns_from_scratch written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdeinum/dns_from_scratch on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdeinum/dns_from_scratch 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log v0.2.17
[INFO] [stderr]   Downloaded test-log-macros v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac83642c3336bf0e858fa202749b73a2ba80162a0ffb5e170d22d06bbb8337a2
[INFO] running `Command { std: "docker" "start" "-a" "ac83642c3336bf0e858fa202749b73a2ba80162a0ffb5e170d22d06bbb8337a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac83642c3336bf0e858fa202749b73a2ba80162a0ffb5e170d22d06bbb8337a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac83642c3336bf0e858fa202749b73a2ba80162a0ffb5e170d22d06bbb8337a2", kill_on_drop: false }`
[INFO] [stdout] ac83642c3336bf0e858fa202749b73a2ba80162a0ffb5e170d22d06bbb8337a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46957b5a334345738ed677a476369408e9cdb29f7704875623dcfe9f530b6c08
[INFO] running `Command { std: "docker" "start" "-a" "46957b5a334345738ed677a476369408e9cdb29f7704875623dcfe9f530b6c08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking test-log v0.2.17
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quickcheck::TestResult`
[INFO] [stdout]    --> src/dns/answer.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use quickcheck::TestResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quickcheck::quickcheck`
[INFO] [stdout]    --> src/dns/answer.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use quickcheck::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/dns/answer.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "46957b5a334345738ed677a476369408e9cdb29f7704875623dcfe9f530b6c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46957b5a334345738ed677a476369408e9cdb29f7704875623dcfe9f530b6c08", kill_on_drop: false }`
[INFO] [stdout] 46957b5a334345738ed677a476369408e9cdb29f7704875623dcfe9f530b6c08