[INFO] cloning repository https://github.com/danstiner/rust-toy-dns [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danstiner/rust-toy-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanstiner%2Frust-toy-dns", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanstiner%2Frust-toy-dns'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6564fb4e75d3cd4da0b30d77a9578f59a3d36642 [INFO] checking danstiner/rust-toy-dns/6564fb4e75d3cd4da0b30d77a9578f59a3d36642 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanstiner%2Frust-toy-dns" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danstiner/rust-toy-dns on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danstiner/rust-toy-dns [INFO] finished tweaking git repo https://github.com/danstiner/rust-toy-dns [INFO] tweaked toml for git repo https://github.com/danstiner/rust-toy-dns written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/danstiner/rust-toy-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23746ce05684b1d297ea2cc3c45286bc80a4b4050ff005002a75852f03d3cf03 [INFO] running `Command { std: "docker" "start" "-a" "23746ce05684b1d297ea2cc3c45286bc80a4b4050ff005002a75852f03d3cf03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23746ce05684b1d297ea2cc3c45286bc80a4b4050ff005002a75852f03d3cf03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23746ce05684b1d297ea2cc3c45286bc80a4b4050ff005002a75852f03d3cf03", kill_on_drop: false }` [INFO] [stdout] 23746ce05684b1d297ea2cc3c45286bc80a4b4050ff005002a75852f03d3cf03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72710df8d150908ed162d8d42539fa1c89422b3d6052990c0e5801a5f4856041 [INFO] running `Command { std: "docker" "start" "-a" "72710df8d150908ed162d8d42539fa1c89422b3d6052990c0e5801a5f4856041", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking tracing-subscriber v0.3.11 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling enum-primitive-derive v0.2.2 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking modular-bitfield v0.11.2 [INFO] [stderr] Checking rust-dns v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: methods `query_response`, `authoritative_answer`, `truncated_message`, `recursion_desired`, and `recursion_available` are never used [INFO] [stdout] --> src/protocol.rs:114:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl Packet { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn query_response(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | pub fn authoritative_answer(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | pub fn truncated_message(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | pub fn recursion_desired(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn recursion_available(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `into_bytes` and `from_bytes` are never used [INFO] [stdout] --> src/protocol.rs:260:1 [INFO] [stdout] | [INFO] [stdout] 260 | // #[repr(u16)] [INFO] [stdout] 261 | || #[bitfield(bits = 16)] [INFO] [stdout] 262 | || #[derive(Debug)] [INFO] [stdout] 263 | || struct HeaderFlags { [INFO] [stdout] | ||__________________- associated items in this implementation [INFO] [stdout] ... | [INFO] [stdout] 273 | | qr: bool, [INFO] [stdout] 274 | | } [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_NEGATIVE_TTL` is never used [INFO] [stdout] --> src/resolver/response_cache.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const DEFAULT_NEGATIVE_TTL: Duration = Duration::from_secs(1 * 60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/resolver/inflight_limit.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 61 | panic!("First query should never complete or be canceled"); [INFO] [stdout] | ---------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 62 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `into_bytes` and `from_bytes` are never used [INFO] [stdout] --> src/protocol.rs:260:1 [INFO] [stdout] | [INFO] [stdout] 260 | // #[repr(u16)] [INFO] [stdout] 261 | || #[bitfield(bits = 16)] [INFO] [stdout] 262 | || #[derive(Debug)] [INFO] [stdout] 263 | || struct HeaderFlags { [INFO] [stdout] | ||__________________- associated items in this implementation [INFO] [stdout] ... | [INFO] [stdout] 273 | | qr: bool, [INFO] [stdout] 274 | | } [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_NEGATIVE_TTL` is never used [INFO] [stdout] --> src/resolver/response_cache.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const DEFAULT_NEGATIVE_TTL: Duration = Duration::from_secs(1 * 60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.93s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "72710df8d150908ed162d8d42539fa1c89422b3d6052990c0e5801a5f4856041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72710df8d150908ed162d8d42539fa1c89422b3d6052990c0e5801a5f4856041", kill_on_drop: false }` [INFO] [stdout] 72710df8d150908ed162d8d42539fa1c89422b3d6052990c0e5801a5f4856041