[INFO] fetching crate c-ares-resolver 7.2.1...
[INFO] testing c-ares-resolver-7.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate c-ares-resolver 7.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate c-ares-resolver 7.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares-resolver 7.2.1
[INFO] finished tweaking crates.io crate c-ares-resolver 7.2.1
[INFO] tweaked toml for crates.io crate c-ares-resolver 7.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate c-ares-resolver 7.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef0669c1c94f76e45d6f515d2261f83adf7bd7b1e25e856a2f94760eabdefb45
[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" "ef0669c1c94f76e45d6f515d2261f83adf7bd7b1e25e856a2f94760eabdefb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0669c1c94f76e45d6f515d2261f83adf7bd7b1e25e856a2f94760eabdefb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0669c1c94f76e45d6f515d2261f83adf7bd7b1e25e856a2f94760eabdefb45", kill_on_drop: false }`
[INFO] [stdout] ef0669c1c94f76e45d6f515d2261f83adf7bd7b1e25e856a2f94760eabdefb45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", 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] 15e69a5a9a045cbef60cb0528aeec13488796f098a5a9fa89f3e6c9a1151cf41
[INFO] running `Command { std: "docker" "start" "-a" "15e69a5a9a045cbef60cb0528aeec13488796f098a5a9fa89f3e6c9a1151cf41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling c-ares-sys v5.1.0
[INFO] [stderr]    Compiling c-types v2.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling c-ares v7.3.0
[INFO] [stderr]    Compiling c-ares-resolver v7.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "15e69a5a9a045cbef60cb0528aeec13488796f098a5a9fa89f3e6c9a1151cf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e69a5a9a045cbef60cb0528aeec13488796f098a5a9fa89f3e6c9a1151cf41", kill_on_drop: false }`
[INFO] [stdout] 15e69a5a9a045cbef60cb0528aeec13488796f098a5a9fa89f3e6c9a1151cf41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", 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] b65e9512c8d717370bdaec1735609be9b5962b339898d2ab9758d5665db8288a
[INFO] running `Command { std: "docker" "start" "-a" "b65e9512c8d717370bdaec1735609be9b5962b339898d2ab9758d5665db8288a", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling c-ares-resolver v7.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "b65e9512c8d717370bdaec1735609be9b5962b339898d2ab9758d5665db8288a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65e9512c8d717370bdaec1735609be9b5962b339898d2ab9758d5665db8288a", kill_on_drop: false }`
[INFO] [stdout] b65e9512c8d717370bdaec1735609be9b5962b339898d2ab9758d5665db8288a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec43197b9566275640ae65a418a846238a40daeff2aff1e11fe0b1f28f229e6b
[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" "ec43197b9566275640ae65a418a846238a40daeff2aff1e11fe0b1f28f229e6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_ares_resolver-df8cbee3eb468d53)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::blocking_resolver_is_sync ... ok
[INFO] [stdout] test tests::c_ares_future_is_send ... ok
[INFO] [stdout] test tests::c_ares_future_is_sync ... ok
[INFO] [stdout] test tests::error_is_sync ... ok
[INFO] [stdout] test tests::future_resolver_is_send ... ok
[INFO] [stdout] test tests::future_resolver_is_sync ... ok
[INFO] [stdout] test tests::host_results_is_send ... ok
[INFO] [stdout] test tests::host_results_is_sync ... ok
[INFO] [stdout] test tests::name_info_result_is_sync ... ok
[INFO] [stdout] test tests::options_is_send ... ok
[INFO] [stdout] test tests::options_is_sync ... ok
[INFO] [stdout] test tests::resolver_is_send ... ok
[INFO] [stdout] test tests::name_info_result_is_send ... ok
[INFO] [stdout] test tests::blocking_resolver_is_send ... ok
[INFO] [stdout] test tests::error_is_send ... ok
[INFO] [stdout] test tests::resolver_is_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c-ares-resolver
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec43197b9566275640ae65a418a846238a40daeff2aff1e11fe0b1f28f229e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec43197b9566275640ae65a418a846238a40daeff2aff1e11fe0b1f28f229e6b", kill_on_drop: false }`
[INFO] [stdout] ec43197b9566275640ae65a418a846238a40daeff2aff1e11fe0b1f28f229e6b