[INFO] cloning repository https://github.com/fiwippi/dns-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fiwippi/dns-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiwippi%2Fdns-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiwippi%2Fdns-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ec2c5580b19b1ffd40b4818a027adc445fed596
[INFO] testing fiwippi/dns-server against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiwippi%2Fdns-server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiwippi/dns-server on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fiwippi/dns-server
[INFO] finished tweaking git repo https://github.com/fiwippi/dns-server
[INFO] tweaked toml for git repo https://github.com/fiwippi/dns-server written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fiwippi/dns-server 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc45bd8919c1cae286857094de5759a418765e463643f9c728b7efe11deae8f
[INFO] running `Command { std: "docker" "start" "-a" "fdc45bd8919c1cae286857094de5759a418765e463643f9c728b7efe11deae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc45bd8919c1cae286857094de5759a418765e463643f9c728b7efe11deae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc45bd8919c1cae286857094de5759a418765e463643f9c728b7efe11deae8f", kill_on_drop: false }`
[INFO] [stdout] fdc45bd8919c1cae286857094de5759a418765e463643f9c728b7efe11deae8f
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 826d44672b4a3b6c3cb776347129c1147ffbd74e43b34d4ca847696dc06f6546
[INFO] running `Command { std: "docker" "start" "-a" "826d44672b4a3b6c3cb776347129c1147ffbd74e43b34d4ca847696dc06f6546", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub struct Header {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 73 |         pub id: u16,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 74 |         pub is_query: bool, // If false, this is a response
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 75 |         pub opcode: Opcode,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 76 |         pub is_authoritative_answer: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |         pub truncated: bool,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 78 |         pub recursion_desired: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 79 |         pub recursion_available: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |         pub response_code: ResponseCode,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 81 |         pub questions: u16,
[INFO] [stdout] 82 |         pub answers: u16,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `qtype`, and `qclass` are never read
[INFO] [stdout]    --> src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub struct Question {
[INFO] [stdout]     |                -------- fields in this struct
[INFO] [stdout] 156 |         name: Vec<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 157 |         qtype: QType,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 158 |         qclass: QClass,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `questions` are never read
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub struct Message {
[INFO] [stdout]     |                ------- fields in this struct
[INFO] [stdout] 163 |         header: Header,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 164 |         questions: Vec<Question>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RA` is never used
[INFO] [stdout]   --> src/main.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub const RA: u8 = 0b10000000;
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "826d44672b4a3b6c3cb776347129c1147ffbd74e43b34d4ca847696dc06f6546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826d44672b4a3b6c3cb776347129c1147ffbd74e43b34d4ca847696dc06f6546", kill_on_drop: false }`
[INFO] [stdout] 826d44672b4a3b6c3cb776347129c1147ffbd74e43b34d4ca847696dc06f6546
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 693719df43f00963d89b8923b0d8ac1b3766ddc6f75a7990d0091885633b9cfb
[INFO] running `Command { std: "docker" "start" "-a" "693719df43f00963d89b8923b0d8ac1b3766ddc6f75a7990d0091885633b9cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub struct Header {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 73 |         pub id: u16,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 74 |         pub is_query: bool, // If false, this is a response
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 75 |         pub opcode: Opcode,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 76 |         pub is_authoritative_answer: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |         pub truncated: bool,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 78 |         pub recursion_desired: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 79 |         pub recursion_available: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |         pub response_code: ResponseCode,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 81 |         pub questions: u16,
[INFO] [stdout] 82 |         pub answers: u16,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `qtype`, and `qclass` are never read
[INFO] [stdout]    --> src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub struct Question {
[INFO] [stdout]     |                -------- fields in this struct
[INFO] [stdout] 156 |         name: Vec<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 157 |         qtype: QType,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 158 |         qclass: QClass,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `questions` are never read
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub struct Message {
[INFO] [stdout]     |                ------- fields in this struct
[INFO] [stdout] 163 |         header: Header,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 164 |         questions: Vec<Question>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RA` is never used
[INFO] [stdout]   --> src/main.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub const RA: u8 = 0b10000000;
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "693719df43f00963d89b8923b0d8ac1b3766ddc6f75a7990d0091885633b9cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693719df43f00963d89b8923b0d8ac1b3766ddc6f75a7990d0091885633b9cfb", kill_on_drop: false }`
[INFO] [stdout] 693719df43f00963d89b8923b0d8ac1b3766ddc6f75a7990d0091885633b9cfb
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd46b2705d6e249bf5cc07d4efb832abeb7fbfb09e16e6955bc06449dc6b7035
[INFO] running `Command { std: "docker" "start" "-a" "dd46b2705d6e249bf5cc07d4efb832abeb7fbfb09e16e6955bc06449dc6b7035", kill_on_drop: false }`
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 72 |     pub struct Header {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                ------ fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 73 |         pub id: u16,
[INFO] [stderr]    |             ^^
[INFO] [stderr] 74 |         pub is_query: bool, // If false, this is a response
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 75 |         pub opcode: Opcode,
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr] 76 |         pub is_authoritative_answer: bool,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 77 |         pub truncated: bool,
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr] 78 |         pub recursion_desired: bool,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 79 |         pub recursion_available: bool,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 80 |         pub response_code: ResponseCode,
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr] 81 |         pub questions: u16,
[INFO] [stderr] 82 |         pub answers: u16,
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `qtype`, and `qclass` are never read
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub struct Question {
[INFO] [stderr]     |                -------- fields in this struct
[INFO] [stderr] 156 |         name: Vec<String>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 157 |         qtype: QType,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 158 |         qclass: QClass,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Question` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `header` and `questions` are never read
[INFO] [stderr]    --> src/main.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub struct Message {
[INFO] [stderr]     |                ------- fields in this struct
[INFO] [stderr] 163 |         header: Header,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 164 |         questions: Vec<Question>,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RA` is never used
[INFO] [stderr]   --> src/main.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |         pub const RA: u8 = 0b10000000;
[INFO] [stderr]    |                   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dns` (bin "dns" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dns-9003790e721e222b)
[INFO] running `Command { std: "docker" "inspect" "dd46b2705d6e249bf5cc07d4efb832abeb7fbfb09e16e6955bc06449dc6b7035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd46b2705d6e249bf5cc07d4efb832abeb7fbfb09e16e6955bc06449dc6b7035", kill_on_drop: false }`
[INFO] [stdout] dd46b2705d6e249bf5cc07d4efb832abeb7fbfb09e16e6955bc06449dc6b7035