[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 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] a8afad9a9da3ca66298387168536e043cec45e1265ab46f104eab06238496b9f [INFO] running `"docker" "start" "-a" "a8afad9a9da3ca66298387168536e043cec45e1265ab46f104eab06238496b9f"` [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 8.30s [INFO] running `"docker" "inspect" "a8afad9a9da3ca66298387168536e043cec45e1265ab46f104eab06238496b9f"` [INFO] running `"docker" "rm" "-f" "a8afad9a9da3ca66298387168536e043cec45e1265ab46f104eab06238496b9f"` [INFO] [stdout] a8afad9a9da3ca66298387168536e043cec45e1265ab46f104eab06238496b9f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] af624155fba8629b5e01a269dd7187376828077ec7bc6dbe0b60234fe974f806 [INFO] running `"docker" "start" "-a" "af624155fba8629b5e01a269dd7187376828077ec7bc6dbe0b60234fe974f806"` [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `"docker" "inspect" "af624155fba8629b5e01a269dd7187376828077ec7bc6dbe0b60234fe974f806"` [INFO] running `"docker" "rm" "-f" "af624155fba8629b5e01a269dd7187376828077ec7bc6dbe0b60234fe974f806"` [INFO] [stdout] af624155fba8629b5e01a269dd7187376828077ec7bc6dbe0b60234fe974f806 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 3024fd3c587abca87daf1629020d81bc8266309c262308befcad666e1e88f1c1 [INFO] running `"docker" "start" "-a" "3024fd3c587abca87daf1629020d81bc8266309c262308befcad666e1e88f1c1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/fibers_tasque-dbff7bcd029a6d4d [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: 0x55b237444613 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55b23743ff3b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55b237443356 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55b2374430e9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55b237443a5f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55b23741f117 - std::panicking::begin_panic::h1025ef4c6ae200e9 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55b2373126ec - fibers_tasque::test::it_works::{{closure}}::h5737de6098802440 [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 7: 0x55b2373111c3 - ::async_call::{{closure}}::he51a6d5024b3e214 [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 8: 0x55b23730b8ca - tasque::task::Task::new::{{closure}}::h962d65dafcf24539 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:21 [INFO] [stderr] 9: 0x55b237369202 - as core::ops::function::FnMut>::call_mut::h74e8ebda73174460 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:711 [INFO] [stderr] 10: 0x55b237350d81 - tasque::task::Task::execute::hbd963e835fd13e8a [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:31 [INFO] [stderr] 11: 0x55b23738352f - tasque::worker::Worker::run_once::{{closure}}::h67e526322731b45c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25 [INFO] [stderr] 12: 0x55b237381155 - prometrics::metrics::histogram::Histogram::time::h7a3858f2ce0de981 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.11/src/metrics/histogram.rs:101 [INFO] [stderr] 13: 0x55b237383417 - tasque::worker::Worker::run_once::h7ea9ddab09f1820f [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25 [INFO] [stderr] 14: 0x55b2373832a2 - tasque::worker::Worker::start::{{closure}}::h86720172b97cbf02 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:17 [INFO] [stderr] 15: 0x55b237367957 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6b225c6866e5f423 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 16: 0x55b237354945 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h315a39f3ff04d6bd [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 17: 0x55b23734f488 - as core::ops::function::FnOnce<()>>::call_once::h6025bf571e65111b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 18: 0x55b23736d1a1 - std::panicking::try::do_call::he8bac3e0172b0b57 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 19: 0x55b2374467d9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 20: 0x55b23736cd92 - std::panicking::try::hbdb4a2cedcb483c9 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 21: 0x55b23734f698 - std::panic::catch_unwind::h3b948fedd923e682 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55b2373543e5 - std::thread::Builder::spawn_unchecked::{{closure}}::h5ff77b80b8043cf8 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 23: 0x55b23737c773 - core::ops::function::FnOnce::call_once{{vtable.shim}}::haca4109aa90887c3 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 24: 0x55b237437b2e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 25: 0x55b237445ebf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 26: 0x7f235ee584a3 - start_thread [INFO] [stderr] 27: 0x7f235e983d0e - __clone [INFO] [stderr] 28: 0x0 - [INFO] [stderr] Doc-tests fibers_tasque [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] [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" "3024fd3c587abca87daf1629020d81bc8266309c262308befcad666e1e88f1c1"` [INFO] running `"docker" "rm" "-f" "3024fd3c587abca87daf1629020d81bc8266309c262308befcad666e1e88f1c1"` [INFO] [stdout] 3024fd3c587abca87daf1629020d81bc8266309c262308befcad666e1e88f1c1