[INFO] fetching crate c-ares-resolver 7.4.1...
[INFO] testing c-ares-resolver-7.4.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate c-ares-resolver 7.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate c-ares-resolver 7.4.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares-resolver 7.4.1
[INFO] finished tweaking crates.io crate c-ares-resolver 7.4.1
[INFO] tweaked toml for crates.io crate c-ares-resolver 7.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate c-ares-resolver 7.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c-ares v7.5.1
[INFO] [stderr]   Downloaded c-ares-sys v5.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8227a5101d4482ef517615f646a9920175577e3876eadf40dcd8ed1f16ea5b8b
[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" "8227a5101d4482ef517615f646a9920175577e3876eadf40dcd8ed1f16ea5b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8227a5101d4482ef517615f646a9920175577e3876eadf40dcd8ed1f16ea5b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8227a5101d4482ef517615f646a9920175577e3876eadf40dcd8ed1f16ea5b8b", kill_on_drop: false }`
[INFO] [stdout] 8227a5101d4482ef517615f646a9920175577e3876eadf40dcd8ed1f16ea5b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7f079d8c0e4f578bae87df897d9018e605f9f4b144933d71a3c600ca76363b
[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" "1b7f079d8c0e4f578bae87df897d9018e605f9f4b144933d71a3c600ca76363b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling c-ares-sys v5.3.2
[INFO] [stderr]    Compiling c-types v2.0.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling c-ares v7.5.1
[INFO] [stderr]    Compiling c-ares-resolver v7.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] running `Command { std: "docker" "inspect" "1b7f079d8c0e4f578bae87df897d9018e605f9f4b144933d71a3c600ca76363b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7f079d8c0e4f578bae87df897d9018e605f9f4b144933d71a3c600ca76363b", kill_on_drop: false }`
[INFO] [stdout] 1b7f079d8c0e4f578bae87df897d9018e605f9f4b144933d71a3c600ca76363b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 498278fc1413018e1ee5b024499580c5bf36679443b69b137b33f8e0fbdec87a
[INFO] running `Command { std: "docker" "start" "-a" "498278fc1413018e1ee5b024499580c5bf36679443b69b137b33f8e0fbdec87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling c-ares-resolver v7.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "498278fc1413018e1ee5b024499580c5bf36679443b69b137b33f8e0fbdec87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498278fc1413018e1ee5b024499580c5bf36679443b69b137b33f8e0fbdec87a", kill_on_drop: false }`
[INFO] [stdout] 498278fc1413018e1ee5b024499580c5bf36679443b69b137b33f8e0fbdec87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5233517ff80d226abae7b5115e8b8c44a302d0deacb3ff38ec342d3fb33f61fd
[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" "5233517ff80d226abae7b5115e8b8c44a302d0deacb3ff38ec342d3fb33f61fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_ares_resolver-08916f8ff0ae2bb4)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::blocking_resolver_is_send ... ok
[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_send ... 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::name_info_result_is_send ... 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::resolver_is_sync ... ok
[INFO] [stderr]    Doc-tests c-ares-resolver
[INFO] [stdout] test tests::host_results_is_send ... ok
[INFO] [stdout] test tests::host_results_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] [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 1.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5233517ff80d226abae7b5115e8b8c44a302d0deacb3ff38ec342d3fb33f61fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5233517ff80d226abae7b5115e8b8c44a302d0deacb3ff38ec342d3fb33f61fd", kill_on_drop: false }`
[INFO] [stdout] 5233517ff80d226abae7b5115e8b8c44a302d0deacb3ff38ec342d3fb33f61fd