[INFO] fetching crate libmdns 0.7.5...
[INFO] checking libmdns-0.7.5 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate libmdns 0.7.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate libmdns 0.7.5 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmdns 0.7.5
[INFO] finished tweaking crates.io crate libmdns 0.7.5
[INFO] tweaked toml for crates.io crate libmdns 0.7.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate libmdns 0.7.5 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded match_cfg v0.1.0
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[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
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[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
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[INFO] [stderr]   Downloaded windows-sys v0.36.1
[INFO] [stderr]   Downloaded futures-macro v0.3.23
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[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded termcolor v1.1.3
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[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1844cdfbc4287c09839bba4dbd5fd1c90d9e2170de40534a34530913a977c7e5
[INFO] running `Command { std: "docker" "start" "-a" "1844cdfbc4287c09839bba4dbd5fd1c90d9e2170de40534a34530913a977c7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1844cdfbc4287c09839bba4dbd5fd1c90d9e2170de40534a34530913a977c7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1844cdfbc4287c09839bba4dbd5fd1c90d9e2170de40534a34530913a977c7e5", kill_on_drop: false }`
[INFO] [stdout] 1844cdfbc4287c09839bba4dbd5fd1c90d9e2170de40534a34530913a977c7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa0af94c4958c3c1582f20befad2f8c5e6351a15be2283639ea5230fe6995120
[INFO] running `Command { std: "docker" "start" "-a" "aa0af94c4958c3c1582f20befad2f8c5e6351a15be2283639ea5230fe6995120", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking if-addrs v0.7.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]    Compiling futures-macro v0.3.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking libmdns v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::marker::Unpin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Unpin` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Questions`
[INFO] [stdout]   --> src/dns_parser/mod.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::builder::{Answers, Builder, Questions};
[INFO] [stdout]    |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::marker::Unpin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Unpin` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Questions`
[INFO] [stdout]   --> src/dns_parser/mod.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::builder::{Answers, Builder, Questions};
[INFO] [stdout]    |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `answers`, `nameservers`, and `additional` are never read
[INFO] [stdout]   --> src/dns_parser/structs.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Packet<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     pub answers: Vec<ResourceRecord<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 9  |     pub nameservers: Vec<ResourceRecord<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 10 |     pub additional: Vec<ResourceRecord<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` 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`, `cls`, `ttl`, and `data` are never read
[INFO] [stdout]   --> src/dns_parser/structs.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ResourceRecord<'a> {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 29 |     pub name: Name<'a>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |     pub cls: Class,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 31 |     pub ttl: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 32 |     pub data: RRData<'a>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResourceRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `additional` is never read
[INFO] [stdout]   --> src/dns_parser/structs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Packet<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub additional: Vec<ResourceRecord<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "aa0af94c4958c3c1582f20befad2f8c5e6351a15be2283639ea5230fe6995120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0af94c4958c3c1582f20befad2f8c5e6351a15be2283639ea5230fe6995120", kill_on_drop: false }`
[INFO] [stdout] aa0af94c4958c3c1582f20befad2f8c5e6351a15be2283639ea5230fe6995120