[INFO] cloning repository https://github.com/jawline/rust_dns_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jawline/rust_dns_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Frust_dns_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Frust_dns_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d86f63660711439907dc9c38516c33da0cb2d283
[INFO] testing jawline/rust_dns_client against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Frust_dns_client" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jawline/rust_dns_client on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jawline/rust_dns_client
[INFO] finished tweaking git repo https://github.com/jawline/rust_dns_client
[INFO] tweaked toml for git repo https://github.com/jawline/rust_dns_client written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jawline/rust_dns_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42015f28f815316eff2f94273d2105a4b02331f0e91f3f24b25d0b955c9d548
[INFO] running `Command { std: "docker" "start" "-a" "d42015f28f815316eff2f94273d2105a4b02331f0e91f3f24b25d0b955c9d548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42015f28f815316eff2f94273d2105a4b02331f0e91f3f24b25d0b955c9d548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42015f28f815316eff2f94273d2105a4b02331f0e91f3f24b25d0b955c9d548", kill_on_drop: false }`
[INFO] [stdout] d42015f28f815316eff2f94273d2105a4b02331f0e91f3f24b25d0b955c9d548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c03e4f0971d3a19c253879d7fa867f626fe39e7cac6b7ddaadfff2d023ef2cc4
[INFO] running `Command { std: "docker" "start" "-a" "c03e4f0971d3a19c253879d7fa867f626fe39e7cac6b7ddaadfff2d023ef2cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling dns_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/record.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "NS" => Some(NS_CODE),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/record.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "NS" => Some(NS_CODE),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SOA_CODE`
[INFO] [stdout]  --> src/record.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SOA_CODE: u16 = 0x6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WKS_CODE`
[INFO] [stdout]  --> src/record.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const WKS_CODE: u16 = 0xB;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PTR_CODE`
[INFO] [stdout]  --> src/record.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const PTR_CODE: u16 = 0xC;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SRV_CODE`
[INFO] [stdout]   --> src/record.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const SRV_CODE: u16 = 0x21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AAAA_CODE`
[INFO] [stdout]   --> src/record.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const AAAA_CODE: u16 = 0x1C;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c03e4f0971d3a19c253879d7fa867f626fe39e7cac6b7ddaadfff2d023ef2cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03e4f0971d3a19c253879d7fa867f626fe39e7cac6b7ddaadfff2d023ef2cc4", kill_on_drop: false }`
[INFO] [stdout] c03e4f0971d3a19c253879d7fa867f626fe39e7cac6b7ddaadfff2d023ef2cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9d37700d513f7d95e4d071b06528da44f41fa65d6f46da21366e4a2df93651
[INFO] running `Command { std: "docker" "start" "-a" "cb9d37700d513f7d95e4d071b06528da44f41fa65d6f46da21366e4a2df93651", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/record.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "NS" => Some(NS_CODE),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/record.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "NS" => Some(NS_CODE),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/record.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         "NS" => Some(NS_CODE),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SOA_CODE`
[INFO] [stdout]  --> src/record.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const SOA_CODE: u16 = 0x6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WKS_CODE`
[INFO] [stdout]  --> src/record.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const WKS_CODE: u16 = 0xB;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PTR_CODE`
[INFO] [stdout]  --> src/record.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const PTR_CODE: u16 = 0xC;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SRV_CODE`
[INFO] [stdout]   --> src/record.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const SRV_CODE: u16 = 0x21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AAAA_CODE`
[INFO] [stdout]   --> src/record.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const AAAA_CODE: u16 = 0x1C;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "cb9d37700d513f7d95e4d071b06528da44f41fa65d6f46da21366e4a2df93651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9d37700d513f7d95e4d071b06528da44f41fa65d6f46da21366e4a2df93651", kill_on_drop: false }`
[INFO] [stdout] cb9d37700d513f7d95e4d071b06528da44f41fa65d6f46da21366e4a2df93651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7382e68ddc86f60f6d98652a6fabaa2cfbd9624b5ba5296430e8e6bdb6705e63
[INFO] running `Command { std: "docker" "start" "-a" "7382e68ddc86f60f6d98652a6fabaa2cfbd9624b5ba5296430e8e6bdb6705e63", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SOA_CODE`
[INFO] [stderr]  --> src/record.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const SOA_CODE: u16 = 0x6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WKS_CODE`
[INFO] [stderr]  --> src/record.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const WKS_CODE: u16 = 0xB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PTR_CODE`
[INFO] [stderr]  --> src/record.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const PTR_CODE: u16 = 0xC;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SRV_CODE`
[INFO] [stderr]   --> src/record.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SRV_CODE: u16 = 0x21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AAAA_CODE`
[INFO] [stderr]   --> src/record.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const AAAA_CODE: u16 = 0x1C;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dns_client-49d3710e3485ce5c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dns_client-8507c909a63dfecd)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dns_client
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7382e68ddc86f60f6d98652a6fabaa2cfbd9624b5ba5296430e8e6bdb6705e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7382e68ddc86f60f6d98652a6fabaa2cfbd9624b5ba5296430e8e6bdb6705e63", kill_on_drop: false }`
[INFO] [stdout] 7382e68ddc86f60f6d98652a6fabaa2cfbd9624b5ba5296430e8e6bdb6705e63