[INFO] cloning repository https://github.com/fabrlyn/dns_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabrlyn/dns_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fdns_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fdns_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb63018c46a4ddb0640bc136abbbe96227f61a64
[INFO] checking fabrlyn/dns_parser against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fdns_parser" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabrlyn/dns_parser on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabrlyn/dns_parser
[INFO] finished tweaking git repo https://github.com/fabrlyn/dns_parser
[INFO] tweaked toml for git repo https://github.com/fabrlyn/dns_parser written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/fabrlyn/dns_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 008e76e9b9f8e38deb24ff6ba82e0ad56ad7fb383543d96881d342664be37b10
[INFO] running `Command { std: "docker" "start" "-a" "008e76e9b9f8e38deb24ff6ba82e0ad56ad7fb383543d96881d342664be37b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008e76e9b9f8e38deb24ff6ba82e0ad56ad7fb383543d96881d342664be37b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008e76e9b9f8e38deb24ff6ba82e0ad56ad7fb383543d96881d342664be37b10", kill_on_drop: false }`
[INFO] [stdout] 008e76e9b9f8e38deb24ff6ba82e0ad56ad7fb383543d96881d342664be37b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 508626326ba639e59b8879a27d9fa29511752d0cb6d9bdee5e2d8406161d8dc9
[INFO] running `Command { std: "docker" "start" "-a" "508626326ba639e59b8879a27d9fa29511752d0cb6d9bdee5e2d8406161d8dc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dns_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/message.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let result = super::parse(data);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `priority`
[INFO] [stdout]   --> src/resource_record.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   priority: u16,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `weight`
[INFO] [stdout]   --> src/resource_record.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   weight: u16,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/resource_record.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   port: u16,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `priority`
[INFO] [stdout]   --> src/resource_record.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   priority: u16,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `weight`
[INFO] [stdout]   --> src/resource_record.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   weight: u16,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/resource_record.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   port: u16,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "508626326ba639e59b8879a27d9fa29511752d0cb6d9bdee5e2d8406161d8dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508626326ba639e59b8879a27d9fa29511752d0cb6d9bdee5e2d8406161d8dc9", kill_on_drop: false }`
[INFO] [stdout] 508626326ba639e59b8879a27d9fa29511752d0cb6d9bdee5e2d8406161d8dc9