[INFO] fetching crate dns-resolver 0.2.14...
[INFO] checking dns-resolver-0.2.14 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate dns-resolver 0.2.14 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dns-resolver 0.2.14 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns-resolver 0.2.14
[INFO] finished tweaking crates.io crate dns-resolver 0.2.14
[INFO] tweaked toml for crates.io crate dns-resolver 0.2.14 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dns-resolver 0.2.14 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slings v0.3.46
[INFO] [stderr]   Downloaded awak v0.2.29
[INFO] [stderr]   Downloaded octseq v0.3.1
[INFO] [stderr]   Downloaded io-uring v0.6.2
[INFO] [stderr]   Downloaded domain v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e5fda19da32debb02fca881db3e5675c3ce9d221d43a87eb559c9c6d91bbfd
[INFO] running `Command { std: "docker" "start" "-a" "40e5fda19da32debb02fca881db3e5675c3ce9d221d43a87eb559c9c6d91bbfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e5fda19da32debb02fca881db3e5675c3ce9d221d43a87eb559c9c6d91bbfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e5fda19da32debb02fca881db3e5675c3ce9d221d43a87eb559c9c6d91bbfd", kill_on_drop: false }`
[INFO] [stdout] 40e5fda19da32debb02fca881db3e5675c3ce9d221d43a87eb559c9c6d91bbfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5f2ca89acf6a6b23f384d46785b74ff7874c1a2709dadf1ac13084d1d51502
[INFO] running `Command { std: "docker" "start" "-a" "4c5f2ca89acf6a6b23f384d46785b74ff7874c1a2709dadf1ac13084d1d51502", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]     Checking octseq v0.3.1
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slings v0.3.46
[INFO] [stderr]     Checking domain v0.9.2
[INFO] [stderr]     Checking dns-resolver v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dns_resolver::Resolver`
[INFO] [stdout]  --> examples/awak.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dns_resolver::Resolver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> examples/awak.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "4c5f2ca89acf6a6b23f384d46785b74ff7874c1a2709dadf1ac13084d1d51502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5f2ca89acf6a6b23f384d46785b74ff7874c1a2709dadf1ac13084d1d51502", kill_on_drop: false }`
[INFO] [stdout] 4c5f2ca89acf6a6b23f384d46785b74ff7874c1a2709dadf1ac13084d1d51502
[INFO] checking dns-resolver-0.2.14 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate dns-resolver 0.2.14 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dns-resolver 0.2.14 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns-resolver 0.2.14
[INFO] finished tweaking crates.io crate dns-resolver 0.2.14
[INFO] tweaked toml for crates.io crate dns-resolver 0.2.14 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate dns-resolver 0.2.14 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2075bab834a395305c792c55233be0bac7c68495741e757fdc6eefefcbff4a46
[INFO] running `Command { std: "docker" "start" "-a" "2075bab834a395305c792c55233be0bac7c68495741e757fdc6eefefcbff4a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2075bab834a395305c792c55233be0bac7c68495741e757fdc6eefefcbff4a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2075bab834a395305c792c55233be0bac7c68495741e757fdc6eefefcbff4a46", kill_on_drop: false }`
[INFO] [stdout] 2075bab834a395305c792c55233be0bac7c68495741e757fdc6eefefcbff4a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2800fc1e68586d36fec4912f0f3fb01198a52452ac28526a68cce364164663a5
[INFO] running `Command { std: "docker" "start" "-a" "2800fc1e68586d36fec4912f0f3fb01198a52452ac28526a68cce364164663a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]     Checking octseq v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slings v0.3.46
[INFO] [stderr]     Checking domain v0.9.2
[INFO] [stderr]     Checking dns-resolver v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dns_resolver::Resolver`
[INFO] [stdout]  --> examples/awak.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dns_resolver::Resolver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> examples/awak.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "2800fc1e68586d36fec4912f0f3fb01198a52452ac28526a68cce364164663a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2800fc1e68586d36fec4912f0f3fb01198a52452ac28526a68cce364164663a5", kill_on_drop: false }`
[INFO] [stdout] 2800fc1e68586d36fec4912f0f3fb01198a52452ac28526a68cce364164663a5