[INFO] crate fibers_tasque 0.1.2 is already in cache [INFO] extracting crate fibers_tasque 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/fibers_tasque/0.1.2 [INFO] extracting crate fibers_tasque 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fibers_tasque/0.1.2 [INFO] validating manifest of fibers_tasque-0.1.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fibers_tasque-0.1.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fibers_tasque-0.1.2 [INFO] finished frobbing fibers_tasque-0.1.2 [INFO] frobbed toml for fibers_tasque-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fibers_tasque/0.1.2/Cargo.toml [INFO] started frobbing fibers_tasque-0.1.2 [INFO] finished frobbing fibers_tasque-0.1.2 [INFO] frobbed toml for fibers_tasque-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fibers_tasque/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing fibers_tasque-0.1.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fibers_tasque/0.1.2:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 8acd626f6a2eb63013af193100e9f2586385dac3eeb44fe34729e2b1c8e11e16 [INFO] running `"docker" "start" "-a" "8acd626f6a2eb63013af193100e9f2586385dac3eeb44fe34729e2b1c8e11e16"` [INFO] [stderr] Compiling prometrics v0.1.11 [INFO] [stderr] Compiling tasque v0.1.4 [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `"docker" "inspect" "8acd626f6a2eb63013af193100e9f2586385dac3eeb44fe34729e2b1c8e11e16"` [INFO] running `"docker" "rm" "-f" "8acd626f6a2eb63013af193100e9f2586385dac3eeb44fe34729e2b1c8e11e16"` [INFO] [stdout] 8acd626f6a2eb63013af193100e9f2586385dac3eeb44fe34729e2b1c8e11e16 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fibers_tasque/0.1.2:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] ff461eb7dbf59184441f00d4ce9086ec8b8c260aab5a6ad8bccd4544d6412d7a [INFO] running `"docker" "start" "-a" "ff461eb7dbf59184441f00d4ce9086ec8b8c260aab5a6ad8bccd4544d6412d7a"` [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.46s [INFO] running `"docker" "inspect" "ff461eb7dbf59184441f00d4ce9086ec8b8c260aab5a6ad8bccd4544d6412d7a"` [INFO] running `"docker" "rm" "-f" "ff461eb7dbf59184441f00d4ce9086ec8b8c260aab5a6ad8bccd4544d6412d7a"` [INFO] [stdout] ff461eb7dbf59184441f00d4ce9086ec8b8c260aab5a6ad8bccd4544d6412d7a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fibers_tasque/0.1.2:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 8d8e94d73be846c9552a70d0a5b467b0d29d750607a5bc30bb63586601706a11 [INFO] running `"docker" "start" "-a" "8d8e94d73be846c9552a70d0a5b467b0d29d750607a5bc30bb63586601706a11"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/fibers_tasque-c7b625cac0f4efd7 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:40:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55da13b8bbfb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55da13b8bbfb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55da13b8bbfb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55da13b8bbfb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55da13b8bbfb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55da13b8b8d7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55da13b8c370 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55da13b6a3c8 - std::panicking::begin_panic::h62c2db20250b067d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55da13a547dd - fibers_tasque::test::it_works::{{closure}}::hf8a56a29b66f1bcb [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 9: 0x55da13a5cca4 - ::async_call::{{closure}}::h3471f729bfad9864 [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 10: 0x55da13a5b99b - tasque::task::Task::new::{{closure}}::h37f2a31e1a6e311b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:21 [INFO] [stderr] 11: 0x55da13ac8743 - as core::ops::function::FnMut>::call_mut::hb00ffbe969dc7f68 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:753 [INFO] [stderr] 12: 0x55da13a9c1f2 - tasque::task::Task::execute::h0e1b7e9938a42931 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:31 [INFO] [stderr] 13: 0x55da13acdb60 - tasque::worker::Worker::run_once::{{closure}}::h96272d8b01e44f82 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25 [INFO] [stderr] 14: 0x55da13a99d26 - prometrics::metrics::histogram::Histogram::time::h47fa8cae33858e21 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.11/src/metrics/histogram.rs:101 [INFO] [stderr] 15: 0x55da13acda4e - tasque::worker::Worker::run_once::h10f641cc853d9dda [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25 [INFO] [stderr] 16: 0x55da13acd8c3 - tasque::worker::Worker::start::{{closure}}::hbc86ed74a414114a [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:17 [INFO] [stderr] 17: 0x55da13aa82c8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5ea68351214ef1e1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 18: 0x55da13aaa446 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h961b95f3c4a05aec [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 19: 0x55da13a99b19 - as core::ops::function::FnOnce<()>>::call_once::h7eeeed3ba1cc94b9 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 20: 0x55da13ac45a2 - std::panicking::try::do_call::h0056a1696cc5d48e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 21: 0x55da13b8e93a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 22: 0x55da13ac4213 - std::panicking::try::h63df115dccdbe406 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 23: 0x55da13a9a0e9 - std::panic::catch_unwind::ha017047f426c6b51 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x55da13aaa236 - std::thread::Builder::spawn_unchecked::{{closure}}::heedc104e407f75cf [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 25: 0x55da13ac49d4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h5f3e76897fcc9472 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 26: 0x55da13b8179f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 27: 0x55da13b8e090 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 28: 0x55da13b8e090 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 29: 0x55da13b8e090 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 30: 0x7f33f5f954a4 - start_thread [INFO] [stderr] 31: 0x7f33f5ac0d0f - __clone [INFO] [stderr] 32: 0x0 - [INFO] [stdout] test test::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests fibers_tasque [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 10) ... 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" "8d8e94d73be846c9552a70d0a5b467b0d29d750607a5bc30bb63586601706a11"` [INFO] running `"docker" "rm" "-f" "8d8e94d73be846c9552a70d0a5b467b0d29d750607a5bc30bb63586601706a11"` [INFO] [stdout] 8d8e94d73be846c9552a70d0a5b467b0d29d750607a5bc30bb63586601706a11