[INFO] fetching crate c-ares 7.3.0...
[INFO] testing c-ares-7.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate c-ares 7.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate c-ares 7.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares 7.3.0
[INFO] finished tweaking crates.io crate c-ares 7.3.0
[INFO] tweaked toml for crates.io crate c-ares 7.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate c-ares 7.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55adb2f5678c49aefc544845f7e7e29c6c302f3b4a5ed64ecc7c696da161bb9b
[INFO] running `Command { std: "docker" "start" "-a" "55adb2f5678c49aefc544845f7e7e29c6c302f3b4a5ed64ecc7c696da161bb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55adb2f5678c49aefc544845f7e7e29c6c302f3b4a5ed64ecc7c696da161bb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55adb2f5678c49aefc544845f7e7e29c6c302f3b4a5ed64ecc7c696da161bb9b", kill_on_drop: false }`
[INFO] [stdout] 55adb2f5678c49aefc544845f7e7e29c6c302f3b4a5ed64ecc7c696da161bb9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 970234645c3c87d6b7cb729b0b7571b815af15b762b84e34cd7b5317737cf18c
[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" "970234645c3c87d6b7cb729b0b7571b815af15b762b84e34cd7b5317737cf18c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling c-ares-sys v5.1.0
[INFO] [stderr]    Compiling c-types v2.0.2
[INFO] [stderr]    Compiling c-ares v7.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "970234645c3c87d6b7cb729b0b7571b815af15b762b84e34cd7b5317737cf18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970234645c3c87d6b7cb729b0b7571b815af15b762b84e34cd7b5317737cf18c", kill_on_drop: false }`
[INFO] [stdout] 970234645c3c87d6b7cb729b0b7571b815af15b762b84e34cd7b5317737cf18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3186bfd636e54bfe06f316415b2c83d4cadebb1b767a74eb537f939d26d28e1
[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" "e3186bfd636e54bfe06f316415b2c83d4cadebb1b767a74eb537f939d26d28e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling c-ares v7.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "e3186bfd636e54bfe06f316415b2c83d4cadebb1b767a74eb537f939d26d28e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3186bfd636e54bfe06f316415b2c83d4cadebb1b767a74eb537f939d26d28e1", kill_on_drop: false }`
[INFO] [stdout] e3186bfd636e54bfe06f316415b2c83d4cadebb1b767a74eb537f939d26d28e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3074f1603b7c8a27dd4723f3aa0249c99cff9aef3d53d864db7e30cf2ce8d09f
[INFO] running `Command { std: "docker" "start" "-a" "3074f1603b7c8a27dd4723f3aa0249c99cff9aef3d53d864db7e30cf2ce8d09f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_ares-36c13b6be13d387c)
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test tests::a_result_is_send ... ok
[INFO] [stdout] test tests::a_result_is_sync ... ok
[INFO] [stdout] test tests::a_results_iter_is_send ... ok
[INFO] [stdout] test tests::a_results_iter_is_sync ... ok
[INFO] [stdout] test tests::aaaa_result_is_send ... ok
[INFO] [stdout] test tests::aaaa_result_is_sync ... ok
[INFO] [stdout] test tests::aaaa_results_are_send ... ok
[INFO] [stdout] test tests::aaaa_results_are_sync ... ok
[INFO] [stdout] test tests::aaaa_results_iter_is_send ... ok
[INFO] [stdout] test tests::aaaa_results_iter_is_sync ... ok
[INFO] [stdout] test tests::caa_result_is_send ... ok
[INFO] [stdout] test tests::caa_results_are_send ... ok
[INFO] [stdout] test tests::caa_results_iter_is_send ... ok
[INFO] [stdout] test tests::channel_is_send ... ok
[INFO] [stdout] test tests::channel_is_sync ... ok
[INFO] [stdout] test tests::cname_results_are_send ... ok
[INFO] [stdout] test tests::error_is_send ... ok
[INFO] [stdout] test tests::error_is_sync ... ok
[INFO] [stdout] test tests::get_sock_is_send ... ok
[INFO] [stdout] test tests::get_sock_iter_is_send ... ok
[INFO] [stdout] test tests::get_sock_iter_is_sync ... ok
[INFO] [stdout] test tests::host_address_results_iter_is_send ... ok
[INFO] [stdout] test tests::host_alias_results_iter_is_send ... ok
[INFO] [stdout] test tests::host_address_results_iter_is_sync ... ok
[INFO] [stdout] test tests::mx_results_are_send ... ok
[INFO] [stdout] test tests::mx_results_are_sync ... ok
[INFO] [stdout] test tests::mx_results_iter_is_send ... ok
[INFO] [stdout] test tests::mx_results_iter_is_sync ... ok
[INFO] [stdout] test tests::naptr_result_is_send ... ok
[INFO] [stdout] test tests::naptr_result_is_sync ... ok
[INFO] [stdout] test tests::naptr_results_iter_is_send ... ok
[INFO] [stdout] test tests::naptr_results_iter_is_sync ... ok
[INFO] [stdout] test tests::ns_results_are_send ... ok
[INFO] [stdout] test tests::ns_results_are_sync ... ok
[INFO] [stdout] test tests::options_is_send ... ok
[INFO] [stdout] test tests::options_is_sync ... ok
[INFO] [stdout] test tests::ptr_results_are_send ... ok
[INFO] [stdout] test tests::ptr_results_are_sync ... ok
[INFO] [stdout] test tests::srv_result_is_send ... ok
[INFO] [stdout] test tests::srv_result_is_sync ... ok
[INFO] [stdout] test tests::srv_results_are_send ... ok
[INFO] [stdout] test tests::srv_results_are_sync ... ok
[INFO] [stdout] test tests::srv_results_iter_is_send ... ok
[INFO] [stdout] test tests::srv_results_iter_is_sync ... ok
[INFO] [stdout] test tests::txt_result_is_send ... ok
[INFO] [stdout] test tests::txt_result_is_sync ... ok
[INFO] [stdout] test tests::txt_results_are_send ... ok
[INFO] [stdout] test tests::txt_results_are_sync ... ok
[INFO] [stdout] test tests::txt_results_iter_is_send ... ok
[INFO] [stdout] test tests::mx_result_is_sync ... ok
[INFO] [stdout] test tests::txt_results_iter_is_sync ... ok
[INFO] [stdout] test tests::mx_result_is_send ... ok
[INFO] [stdout] test tests::a_results_are_sync ... ok
[INFO] [stdout] test tests::a_results_are_send ... ok
[INFO] [stdout] test tests::cname_results_are_sync ... ok
[INFO] [stdout] test tests::naptr_results_are_send ... ok
[INFO] [stdout] test tests::host_alias_results_iter_is_sync ... ok
[INFO] [stdout] test tests::get_sock_is_sync ... ok
[INFO] [stdout] test tests::naptr_results_are_sync ... ok
[INFO] [stdout] test tests::host_results_are_sync ... ok
[INFO] [stdout] test tests::host_results_are_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c-ares
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3074f1603b7c8a27dd4723f3aa0249c99cff9aef3d53d864db7e30cf2ce8d09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3074f1603b7c8a27dd4723f3aa0249c99cff9aef3d53d864db7e30cf2ce8d09f", kill_on_drop: false }`
[INFO] [stdout] 3074f1603b7c8a27dd4723f3aa0249c99cff9aef3d53d864db7e30cf2ce8d09f