[INFO] cloning repository https://github.com/withblob/dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/withblob/dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithblob%2Fdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithblob%2Fdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa689c7d5b7d1bde7ec8c85a3a78efb75766acff
[INFO] building withblob/dns against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwithblob%2Fdns" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/withblob/dns on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/withblob/dns
[INFO] finished tweaking git repo https://github.com/withblob/dns
[INFO] tweaked toml for git repo https://github.com/withblob/dns written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/withblob/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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded foreign-types v0.3.2
[INFO] [stderr]   Downloaded openssl-macros v0.1.1
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.87
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded try-lock v0.2.4
[INFO] [stderr]   Downloaded foreign-types-shared v0.1.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.4
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded httparse v1.8.0
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded security-framework v2.9.1
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded mio v0.8.8
[INFO] [stderr]   Downloaded futures-util v0.3.28
[INFO] [stderr]   Downloaded h2 v0.3.19
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.87
[INFO] [stderr]   Downloaded reqwest v0.11.18
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded vcpkg v0.2.15
[INFO] [stderr]   Downloaded openssl v0.10.54
[INFO] [stderr]   Downloaded idna v0.4.0
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded unicode-normalization v0.1.22
[INFO] [stderr]   Downloaded rustix v0.37.20
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded tokio-util v0.7.8
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded tinyvec v1.6.0
[INFO] [stderr]   Downloaded url v2.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.64
[INFO] [stderr]   Downloaded bumpalo v3.13.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.0
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.2
[INFO] [stderr]   Downloaded web-sys v0.3.64
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] [stderr]   Downloaded futures-task v0.3.28
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.0
[INFO] [stderr]   Downloaded serde_derive v1.0.164
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded native-tls v0.2.11
[INFO] [stderr]   Downloaded unicode-bidi v0.3.13
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.87
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.0
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded futures-core v0.3.28
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded core-foundation v0.9.3
[INFO] [stderr]   Downloaded security-framework-sys v2.9.0
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded http-body v0.4.5
[INFO] [stderr]   Downloaded mime v0.3.17
[INFO] [stderr]   Downloaded percent-encoding v2.3.0
[INFO] [stderr]   Downloaded once_cell v1.18.0
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.1
[INFO] [stderr]   Downloaded pkg-config v0.3.27
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.1
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded lock_api v0.4.10
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.3.5
[INFO] [stderr]   Downloaded parking_lot_core v0.9.8
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.1
[INFO] [stderr]   Downloaded form_urlencoded v1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.37
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.87
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded tokio-macros v2.1.0
[INFO] [stderr]   Downloaded tower-service v0.3.2
[INFO] [stderr]   Downloaded openssl-probe v0.1.5
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07150b886b7c9ee912628f5853be9bf3979d7f53121810cdba507b358b64f307
[INFO] running `Command { std: "docker" "start" "-a" "07150b886b7c9ee912628f5853be9bf3979d7f53121810cdba507b358b64f307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07150b886b7c9ee912628f5853be9bf3979d7f53121810cdba507b358b64f307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07150b886b7c9ee912628f5853be9bf3979d7f53121810cdba507b358b64f307", kill_on_drop: false }`
[INFO] [stdout] 07150b886b7c9ee912628f5853be9bf3979d7f53121810cdba507b358b64f307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c04e5c9f2f15e135230c641093cb1f32e15121d41e69f1624d6945484ca553
[INFO] running `Command { std: "docker" "start" "-a" "f6c04e5c9f2f15e135230c641093cb1f32e15121d41e69f1624d6945484ca553", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.19
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.26
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling blobdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]    --> src/dns.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct ResolveResult {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub error: Option<ResolveResultError>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResolveResult` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.49s
[INFO] running `Command { std: "docker" "inspect" "f6c04e5c9f2f15e135230c641093cb1f32e15121d41e69f1624d6945484ca553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c04e5c9f2f15e135230c641093cb1f32e15121d41e69f1624d6945484ca553", kill_on_drop: false }`
[INFO] [stdout] f6c04e5c9f2f15e135230c641093cb1f32e15121d41e69f1624d6945484ca553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1873340a37e7570c5a6c4e2f59e68b2e70d3eaf5c92b08437b77a25d393ce800
[INFO] running `Command { std: "docker" "start" "-a" "1873340a37e7570c5a6c4e2f59e68b2e70d3eaf5c92b08437b77a25d393ce800", kill_on_drop: false }`
[INFO] [stderr]    Compiling blobdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]    --> src/dns.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct ResolveResult {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub error: Option<ResolveResultError>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResolveResult` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1873340a37e7570c5a6c4e2f59e68b2e70d3eaf5c92b08437b77a25d393ce800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1873340a37e7570c5a6c4e2f59e68b2e70d3eaf5c92b08437b77a25d393ce800", kill_on_drop: false }`
[INFO] [stdout] 1873340a37e7570c5a6c4e2f59e68b2e70d3eaf5c92b08437b77a25d393ce800