[INFO] fetching crate dns-client 0.0.2...
[INFO] checking dns-client-0.0.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dns-client 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dnsclient v0.1.7
[INFO] [stderr]   Downloaded thiserror v1.0.10
[INFO] [stderr]   Downloaded thiserror-impl v1.0.10
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded async-std v1.4.0
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a8b8e2298c558a8670f7a850c3f034b1d582fd6d8a3c94be125c4c458ceb0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77a8b8e2298c558a8670f7a850c3f034b1d582fd6d8a3c94be125c4c458ceb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a8b8e2298c558a8670f7a850c3f034b1d582fd6d8a3c94be125c4c458ceb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a8b8e2298c558a8670f7a850c3f034b1d582fd6d8a3c94be125c4c458ceb0c", kill_on_drop: false }`
[INFO] [stdout] 77a8b8e2298c558a8670f7a850c3f034b1d582fd6d8a3c94be125c4c458ceb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cb8a2f0164e09993c3d4562ac457f31b0fba512b03a60a9854a687b93d6372
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31cb8a2f0164e09993c3d4562ac457f31b0fba512b03a60a9854a687b93d6372", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking either v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking chomp v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]     Checking dnssector v0.2.0
[INFO] [stderr]     Checking dnsclient v0.1.7
[INFO] [stderr]     Checking dns-client v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.80s
[INFO] running `Command { std: "docker" "inspect" "31cb8a2f0164e09993c3d4562ac457f31b0fba512b03a60a9854a687b93d6372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cb8a2f0164e09993c3d4562ac457f31b0fba512b03a60a9854a687b93d6372", kill_on_drop: false }`
[INFO] [stdout] 31cb8a2f0164e09993c3d4562ac457f31b0fba512b03a60a9854a687b93d6372