[INFO] crate system_dns 1.0.0 is already in cache [INFO] extracting crate system_dns 1.0.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/system_dns/1.0.0 [INFO] extracting crate system_dns 1.0.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/system_dns/1.0.0 [INFO] validating manifest of system_dns-1.0.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of system_dns-1.0.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing system_dns-1.0.0 [INFO] finished frobbing system_dns-1.0.0 [INFO] frobbed toml for system_dns-1.0.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/system_dns/1.0.0/Cargo.toml [INFO] started frobbing system_dns-1.0.0 [INFO] finished frobbing system_dns-1.0.0 [INFO] frobbed toml for system_dns-1.0.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/system_dns/1.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing system_dns-1.0.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/system_dns/1.0.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] 1e73c0d2bd0f920fc8e0373bc68072cfd3b99b516ea290318e5241cbe54fb0bd [INFO] running `"docker" "start" "-a" "1e73c0d2bd0f920fc8e0373bc68072cfd3b99b516ea290318e5241cbe54fb0bd"` [INFO] [stderr] Compiling system_dns v1.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "1e73c0d2bd0f920fc8e0373bc68072cfd3b99b516ea290318e5241cbe54fb0bd"` [INFO] running `"docker" "rm" "-f" "1e73c0d2bd0f920fc8e0373bc68072cfd3b99b516ea290318e5241cbe54fb0bd"` [INFO] [stdout] 1e73c0d2bd0f920fc8e0373bc68072cfd3b99b516ea290318e5241cbe54fb0bd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/system_dns/1.0.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 1d941a7a0e3eaa2a6a786f1293d3b563860d490a9d125073e14f556b38eb5917 [INFO] running `"docker" "start" "-a" "1d941a7a0e3eaa2a6a786f1293d3b563860d490a9d125073e14f556b38eb5917"` [INFO] [stderr] Compiling system_dns v1.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "1d941a7a0e3eaa2a6a786f1293d3b563860d490a9d125073e14f556b38eb5917"` [INFO] running `"docker" "rm" "-f" "1d941a7a0e3eaa2a6a786f1293d3b563860d490a9d125073e14f556b38eb5917"` [INFO] [stdout] 1d941a7a0e3eaa2a6a786f1293d3b563860d490a9d125073e14f556b38eb5917 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/system_dns/1.0.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] f21df85391a4150a5d9c60fb23c651f7f9de94a8a156ca9fbba76a93f583acea [INFO] running `"docker" "start" "-a" "f21df85391a4150a5d9c60fb23c651f7f9de94a8a156ca9fbba76a93f583acea"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/system_dns-c4237f15da278ca1 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_dns_lookup ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_dns_lookup stdout ---- [INFO] [stdout] thread 'test_dns_lookup' panicked at 'Error occured looking up google.com "Temporary failure in name resolution"', src/lib.rs:177:19 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55ed840ea133 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55ed840e5e4b - std::sys_common::backtrace::_print::he39717f7cfbd122d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55ed840e8de6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55ed840e8ae7 - std::panicking::default_hook::hc2b73d8ffc772b35 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55ed840e94f0 - std::panicking::rust_panic_with_hook::h625072734a147d22 [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55ed840e9071 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55ed840e8fbe - std::panicking::begin_panic_fmt::hc9320ccc48a296b3 [INFO] [stdout] at src/libstd/panicking.rs:340 [INFO] [stdout] 7: 0x55ed8409c542 - system_dns::test_dns_lookup::h1586e68b29629859 [INFO] [stdout] at src/lib.rs:177 [INFO] [stdout] 8: 0x55ed8409c349 - system_dns::test_dns_lookup::{{closure}}::hc5df059d4dc6cd89 [INFO] [stdout] at src/lib.rs:170 [INFO] [stdout] 9: 0x55ed8409f7fd - core::ops::function::FnOnce::call_once::h55ab0d43f2c08eb7 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x55ed840a7d3e - >::call_box::h6b39ff82621fe3f5 [INFO] [stdout] at src/libtest/lib.rs:1474 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734 [INFO] [stdout] 11: 0x55ed840ec619 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 12: 0x55ed840c4fc7 - test::run_test::run_test_inner::{{closure}}::h57942e399d1cc807 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388 [INFO] [stdout] at src/libtest/lib.rs:1429 [INFO] [stdout] 13: 0x55ed840a0784 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 14: 0x55ed840a0e54 - std::panicking::try::do_call::hf5b2072d080453d1 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297 [INFO] [stdout] 15: 0x55ed840ec619 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 16: 0x55ed840a7fbc - >::call_box::hf0a5ea81172c4bf3 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734 [INFO] [stdout] 17: 0x55ed840ebdcd - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 18: 0x7f77b358c493 - start_thread [INFO] [stdout] 19: 0x7f77b30b7ace - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_dns_lookup [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "f21df85391a4150a5d9c60fb23c651f7f9de94a8a156ca9fbba76a93f583acea"` [INFO] running `"docker" "rm" "-f" "f21df85391a4150a5d9c60fb23c651f7f9de94a8a156ca9fbba76a93f583acea"` [INFO] [stdout] f21df85391a4150a5d9c60fb23c651f7f9de94a8a156ca9fbba76a93f583acea