[INFO] crate fibers_tasque 0.1.2 is already in cache [INFO] extracting crate fibers_tasque 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/fibers_tasque/0.1.2 [INFO] extracting crate fibers_tasque 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fibers_tasque/0.1.2 [INFO] validating manifest of fibers_tasque-0.1.2 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 fibers_tasque-0.1.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/fibers_tasque/0.1.2/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 fibers_tasque-0.1.2 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 44ee03606e1c5906d704772cf7c5bc01c489c036b0c334db1917124f5c52b483 [INFO] running `"docker" "start" "-a" "44ee03606e1c5906d704772cf7c5bc01c489c036b0c334db1917124f5c52b483"` [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling atomic_immut v0.1.4 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling trackable_derive v0.1.2 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling prometrics v0.1.12 [INFO] [stderr] Compiling tasque v0.1.5 [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.47s [INFO] running `"docker" "inspect" "44ee03606e1c5906d704772cf7c5bc01c489c036b0c334db1917124f5c52b483"` [INFO] running `"docker" "rm" "-f" "44ee03606e1c5906d704772cf7c5bc01c489c036b0c334db1917124f5c52b483"` [INFO] [stdout] 44ee03606e1c5906d704772cf7c5bc01c489c036b0c334db1917124f5c52b483 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 91f8876cfc1083aee2f5ac1ade4cb5752c866638955f05da4399a582f9f1b318 [INFO] running `"docker" "start" "-a" "91f8876cfc1083aee2f5ac1ade4cb5752c866638955f05da4399a582f9f1b318"` [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `"docker" "inspect" "91f8876cfc1083aee2f5ac1ade4cb5752c866638955f05da4399a582f9f1b318"` [INFO] running `"docker" "rm" "-f" "91f8876cfc1083aee2f5ac1ade4cb5752c866638955f05da4399a582f9f1b318"` [INFO] [stdout] 91f8876cfc1083aee2f5ac1ade4cb5752c866638955f05da4399a582f9f1b318 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] ddb36bb9aa6f397de32f7ed5141810fc178f20b1a9b9f09af95dc750e7404667 [INFO] running `"docker" "start" "-a" "ddb36bb9aa6f397de32f7ed5141810fc178f20b1a9b9f09af95dc750e7404667"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/fibers_tasque-7d4f6e7cc91e6e7f [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: 0x563136fa4beb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x563136fa4beb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563136fa4beb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x563136fa4beb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x563136fa4beb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x563136fa48c6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x563136fa535d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x563136f2ca75 - std::panicking::begin_panic::h39336e1c8111d3ce [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x563136e6287d - fibers_tasque::test::it_works::{{closure}}::hcd1af344cb0dcab3 [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 9: 0x563136e6ae93 - ::async_call::{{closure}}::h014ff3272e3d96b2 [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 10: 0x563136e67def - tasque::task::Task::new::{{closure}}::h7caa490fb7cbe60e [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:21 [INFO] [stderr] 11: 0x563136ed05c8 - as core::ops::function::FnMut>::call_mut::h62268bab2a38d54c [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:794 [INFO] [stderr] 12: 0x563136eaf072 - tasque::task::Task::execute::h082a00f2b9e3e027 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:31 [INFO] [stderr] 13: 0x563136ed1f80 - tasque::worker::Worker::run_once::{{closure}}::h7da39f7fc16290ad [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 14: 0x563136ed6c96 - prometrics::metrics::histogram::Histogram::time::hf5bcb89aa27b3311 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.12/src/metrics/histogram.rs:101 [INFO] [stderr] 15: 0x563136ed1e56 - tasque::worker::Worker::run_once::ha732e74322a62cd0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 16: 0x563136ed1cd3 - tasque::worker::Worker::start::{{closure}}::hee6fd462ac61c98c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:17 [INFO] [stderr] 17: 0x563136ecc2b8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h52276a6fd5dd2e44 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 18: 0x563136eb5476 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h68d43286fc192077 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stderr] 19: 0x563136ed6b29 - as core::ops::function::FnOnce<()>>::call_once::h0d852e12babfa98d [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stderr] 20: 0x563136ed1269 - std::panicking::try::do_call::hd9ccdbadef195f5c [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stderr] 21: 0x563136fa7c8a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 22: 0x563136ed1063 - std::panicking::try::hdb03a13bb8900d99 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stderr] 23: 0x563136ed7249 - std::panic::catch_unwind::hee6f31148d88b21e [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x563136eb5226 - std::thread::Builder::spawn_unchecked::{{closure}}::heb0071356ad065b9 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stderr] 25: 0x563136ecc534 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7781d241808e60f5 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stderr] 26: 0x563136f9a87f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stderr] 27: 0x563136fa73c0 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stderr] 28: 0x563136fa73c0 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 29: 0x563136fa73c0 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 30: 0x7eff7f1bf4a4 - start_thread [INFO] [stderr] 31: 0x7eff7ecead0f - __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" "ddb36bb9aa6f397de32f7ed5141810fc178f20b1a9b9f09af95dc750e7404667"` [INFO] running `"docker" "rm" "-f" "ddb36bb9aa6f397de32f7ed5141810fc178f20b1a9b9f09af95dc750e7404667"` [INFO] [stdout] ddb36bb9aa6f397de32f7ed5141810fc178f20b1a9b9f09af95dc750e7404667