[INFO] fetching crate flex-dns 1.0.1... [INFO] checking flex-dns-1.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate flex-dns 1.0.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate flex-dns 1.0.1 [INFO] finished tweaking crates.io crate flex-dns 1.0.1 [INFO] tweaked toml for crates.io crate flex-dns 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flex-dns 1.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69daa1bbf1aa2c1699bda71ef396d9f6957a0668afcb8913bff36a84f3b0329c [INFO] running `Command { std: "docker" "start" "-a" "69daa1bbf1aa2c1699bda71ef396d9f6957a0668afcb8913bff36a84f3b0329c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69daa1bbf1aa2c1699bda71ef396d9f6957a0668afcb8913bff36a84f3b0329c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69daa1bbf1aa2c1699bda71ef396d9f6957a0668afcb8913bff36a84f3b0329c", kill_on_drop: false }` [INFO] [stdout] 69daa1bbf1aa2c1699bda71ef396d9f6957a0668afcb8913bff36a84f3b0329c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1402669d8c5ec4cb273cdcf3120d9d34b68c003684ad80b93d2ceda9f26cedf [INFO] running `Command { std: "docker" "start" "-a" "b1402669d8c5ec4cb273cdcf3120d9d34b68c003684ad80b93d2ceda9f26cedf", kill_on_drop: false }` [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking simple-dns v0.10.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking flex-dns v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/question.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name_servers.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/additional.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/answer.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/question.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/name_servers.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/additional.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/answer.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn iter(&mut self) -> Result, DnsMessageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "b1402669d8c5ec4cb273cdcf3120d9d34b68c003684ad80b93d2ceda9f26cedf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1402669d8c5ec4cb273cdcf3120d9d34b68c003684ad80b93d2ceda9f26cedf", kill_on_drop: false }` [INFO] [stdout] b1402669d8c5ec4cb273cdcf3120d9d34b68c003684ad80b93d2ceda9f26cedf