[INFO] crate c-ares-resolver 6.1.0 is already in cache
[INFO] extracting crate c-ares-resolver 6.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/c-ares-resolver/6.1.0
[INFO] extracting crate c-ares-resolver 6.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/c-ares-resolver/6.1.0
[INFO] validating manifest of c-ares-resolver-6.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of c-ares-resolver-6.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing c-ares-resolver-6.1.0
[INFO] finished frobbing c-ares-resolver-6.1.0
[INFO] frobbed toml for c-ares-resolver-6.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/c-ares-resolver/6.1.0/Cargo.toml
[INFO] started frobbing c-ares-resolver-6.1.0
[INFO] finished frobbing c-ares-resolver-6.1.0
[INFO] frobbed toml for c-ares-resolver-6.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/c-ares-resolver/6.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing c-ares-resolver-6.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/c-ares-resolver/6.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0494187630f696c4e0b8373f5eec150c1a4276c05d150d7dc992a2d2ba0358b3
[INFO] running `"docker" "start" "-a" "0494187630f696c4e0b8373f5eec150c1a4276c05d150d7dc992a2d2ba0358b3"`
[INFO] [stderr]    Compiling c-ares-sys v4.2.0
[INFO] [stderr]    Compiling c-types v2.0.2
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling c-ares v7.1.0
[INFO] [stderr]    Compiling c-ares-resolver v6.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "0494187630f696c4e0b8373f5eec150c1a4276c05d150d7dc992a2d2ba0358b3"`
[INFO] running `"docker" "rm" "-f" "0494187630f696c4e0b8373f5eec150c1a4276c05d150d7dc992a2d2ba0358b3"`
[INFO] [stdout] 0494187630f696c4e0b8373f5eec150c1a4276c05d150d7dc992a2d2ba0358b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/c-ares-resolver/6.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 221c634bd9cc43ec36453f1d18386243b0ccd1dafca9c4391c46d4f020607643
[INFO] running `"docker" "start" "-a" "221c634bd9cc43ec36453f1d18386243b0ccd1dafca9c4391c46d4f020607643"`
[INFO] [stderr]    Compiling c-ares-resolver v6.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "221c634bd9cc43ec36453f1d18386243b0ccd1dafca9c4391c46d4f020607643"`
[INFO] running `"docker" "rm" "-f" "221c634bd9cc43ec36453f1d18386243b0ccd1dafca9c4391c46d4f020607643"`
[INFO] [stdout] 221c634bd9cc43ec36453f1d18386243b0ccd1dafca9c4391c46d4f020607643
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/c-ares-resolver/6.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 629197522ea4d575a979a961ebfc6b8c6a4b6bbf1321a7865d4ba31cb6b3b64d
[INFO] running `"docker" "start" "-a" "629197522ea4d575a979a961ebfc6b8c6a4b6bbf1321a7865d4ba31cb6b3b64d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c_ares_resolver-15564cb2d9fc435b
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::blocking_resolver_is_send ... 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::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_send ... ok
[INFO] [stdout] test tests::options_is_send ... ok
[INFO] [stdout] test tests::blocking_resolver_is_sync ... ok
[INFO] [stdout] test tests::name_info_result_is_sync ... 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] [stdout] test tests::error_is_send ... ok
[INFO] [stdout] test tests::error_is_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "629197522ea4d575a979a961ebfc6b8c6a4b6bbf1321a7865d4ba31cb6b3b64d"`
[INFO] running `"docker" "rm" "-f" "629197522ea4d575a979a961ebfc6b8c6a4b6bbf1321a7865d4ba31cb6b3b64d"`
[INFO] [stdout] 629197522ea4d575a979a961ebfc6b8c6a4b6bbf1321a7865d4ba31cb6b3b64d