[INFO] fetching crate fibers_tasque 0.1.1...
[INFO] extracting crate fibers_tasque 0.1.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fibers_tasque/0.1.1
[INFO] extracting crate fibers_tasque 0.1.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fibers_tasque/0.1.1
[INFO] validating manifest of fibers_tasque-0.1.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fibers_tasque-0.1.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fibers_tasque-0.1.1
[INFO] finished frobbing fibers_tasque-0.1.1
[INFO] frobbed toml for fibers_tasque-0.1.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fibers_tasque/0.1.1/Cargo.toml
[INFO] started frobbing fibers_tasque-0.1.1
[INFO] finished frobbing fibers_tasque-0.1.1
[INFO] frobbed toml for fibers_tasque-0.1.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fibers_tasque/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing fibers_tasque-0.1.1 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fibers_tasque/0.1.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 6f7e01799da82f8460fba8f7a2375f1ddc1736eb1bbbe444c26ade1283fd5806
[INFO] running `"docker" "start" "-a" "6f7e01799da82f8460fba8f7a2375f1ddc1736eb1bbbe444c26ade1283fd5806"`
[INFO] [stderr]    Compiling fibers v0.1.12
[INFO] [stderr]    Compiling prometrics v0.1.11
[INFO] [stderr]    Compiling tasque v0.1.4
[INFO] [stderr]    Compiling fibers_tasque v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `"docker" "inspect" "6f7e01799da82f8460fba8f7a2375f1ddc1736eb1bbbe444c26ade1283fd5806"`
[INFO] running `"docker" "rm" "-f" "6f7e01799da82f8460fba8f7a2375f1ddc1736eb1bbbe444c26ade1283fd5806"`
[INFO] [stdout] 6f7e01799da82f8460fba8f7a2375f1ddc1736eb1bbbe444c26ade1283fd5806
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fibers_tasque/0.1.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b445413985386639a2ef50e9606c904bd4a690338ad9cb9f7497973269cad9f
[INFO] running `"docker" "start" "-a" "4b445413985386639a2ef50e9606c904bd4a690338ad9cb9f7497973269cad9f"`
[INFO] [stderr]    Compiling fibers_tasque v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "4b445413985386639a2ef50e9606c904bd4a690338ad9cb9f7497973269cad9f"`
[INFO] running `"docker" "rm" "-f" "4b445413985386639a2ef50e9606c904bd4a690338ad9cb9f7497973269cad9f"`
[INFO] [stdout] 4b445413985386639a2ef50e9606c904bd4a690338ad9cb9f7497973269cad9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fibers_tasque/0.1.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] a5d1e57e0f087b89dbebbc9559f6e4b4bed06fb1dfc0af43a27665ad7432b831
[INFO] running `"docker" "start" "-a" "a5d1e57e0f087b89dbebbc9559f6e4b4bed06fb1dfc0af43a27665ad7432b831"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibers_tasque-2071a0cdbef23ed7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:50:63
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564e8cc9978b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x564e8cc9978b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564e8cc9978b - std::sys_common::backtrace::_print::hd27175ce39811176
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x564e8cc9978b - std::sys_common::backtrace::print::h117e2eebf9a1e122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x564e8cc9978b - std::panicking::default_hook::{{closure}}::h6369b988ee675335
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x564e8cc9948c - std::panicking::default_hook::hfaefd2bea4c25f9e
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x564e8cc99f00 - std::panicking::rust_panic_with_hook::h02c52718165ccced
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x564e8cc22ce8 - std::panicking::begin_panic::h6ff3d43ce3384bb1
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x564e8cb69b4d - fibers_tasque::test::it_works::{{closure}}::h88e2ec3cc6826032
[INFO] [stderr]                                at src/lib.rs:50
[INFO] [stderr]    9:     0x564e8cb67a64 - <tasque::queue::TaskQueue as fibers_tasque::async::TaskQueueExt>::async_call::{{closure}}::h056f078837c21c10
[INFO] [stderr]                                at src/async.rs:27
[INFO] [stderr]   10:     0x564e8cb62f7b - tasque::task::Task::new::{{closure}}::h5dc95dfe310b3bc8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:21
[INFO] [stderr]   11:     0x564e8cbd31a3 - <alloc::boxed::Box<F> as core::ops::function::FnMut<A>>::call_mut::hcd07cb8c3da6c283
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:753
[INFO] [stderr]   12:     0x564e8cba6f12 - tasque::task::Task::execute::h8f03781a9f4ad9b6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/task.rs:31
[INFO] [stderr]   13:     0x564e8cba75c0 - tasque::worker::Worker::run_once::{{closure}}::hbee30474a8fc54ea
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25
[INFO] [stderr]   14:     0x564e8cba5fd6 - prometrics::metrics::histogram::Histogram::time::h4d14c4e53e216f8d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.11/src/metrics/histogram.rs:101
[INFO] [stderr]   15:     0x564e8cba74a8 - tasque::worker::Worker::run_once::h814b88e1ba3b583b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:25
[INFO] [stderr]   16:     0x564e8cba7333 - tasque::worker::Worker::start::{{closure}}::h818933f37c6ac398
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.4/src/worker.rs:17
[INFO] [stderr]   17:     0x564e8cbc1ff8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h90382d013bae479a
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]   18:     0x564e8cbb7a26 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h107f3153776a3893
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470
[INFO] [stderr]   19:     0x564e8cba78b9 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h03c869327e393d41
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309
[INFO] [stderr]   20:     0x564e8cbd1b72 - std::panicking::try::do_call::hf2fc41bcee9effe0
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294
[INFO] [stderr]   21:     0x564e8cc9caea - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   22:     0x564e8cbd1943 - std::panicking::try::heef6750261e0631d
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273
[INFO] [stderr]   23:     0x564e8cba7ca9 - std::panic::catch_unwind::h8f481cab91a404fd
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388
[INFO] [stderr]   24:     0x564e8cbb7816 - std::thread::Builder::spawn_unchecked::{{closure}}::hf88a48e49ceba029
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469
[INFO] [stderr]   25:     0x564e8cbd3564 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1badeb66dd394ad1
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stderr]   26:     0x564e8cc8f5af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc6099fbe1f2e9038
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746
[INFO] [stderr]   27:     0x564e8cc9c230 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1b61db05dcd8ce54
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746
[INFO] [stderr]   28:     0x564e8cc9c230 - std::sys_common::thread::start_thread::hd3ed9053e9fea488
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stderr]   29:     0x564e8cc9c230 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stderr]   30:     0x7ff20fa9a4a4 - start_thread
[INFO] [stderr]   31:     0x7ff20f5c5d0f - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[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" "a5d1e57e0f087b89dbebbc9559f6e4b4bed06fb1dfc0af43a27665ad7432b831"`
[INFO] running `"docker" "rm" "-f" "a5d1e57e0f087b89dbebbc9559f6e4b4bed06fb1dfc0af43a27665ad7432b831"`
[INFO] [stdout] a5d1e57e0f087b89dbebbc9559f6e4b4bed06fb1dfc0af43a27665ad7432b831