[INFO] crate may_actor 0.2.2 is already in cache
[INFO] extracting crate may_actor 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/may_actor/0.2.2
[INFO] extracting crate may_actor 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/may_actor/0.2.2
[INFO] validating manifest of may_actor-0.2.2 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 may_actor-0.2.2 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 may_actor-0.2.2
[INFO] finished frobbing may_actor-0.2.2
[INFO] frobbed toml for may_actor-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/may_actor/0.2.2/Cargo.toml
[INFO] started frobbing may_actor-0.2.2
[INFO] finished frobbing may_actor-0.2.2
[INFO] frobbed toml for may_actor-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/may_actor/0.2.2/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 may_actor-0.2.2 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-0/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/may_actor/0.2.2:/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] 5316dd99d5ac91e938b8b257ea46703a67c642862ebd58692a8149ee9dea2a20
[INFO] running `"docker" "start" "-a" "5316dd99d5ac91e938b8b257ea46703a67c642862ebd58692a8149ee9dea2a20"`
[INFO] [stderr]    Compiling generator v0.6.17
[INFO] [stderr]    Compiling may_queue v0.1.6
[INFO] [stderr]    Compiling may v0.3.12
[INFO] [stderr]    Compiling socket2 v0.3.10
[INFO] [stderr]    Compiling may_actor v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     tx: mpsc::Sender<Box<FnBox>>,
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:44
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:227:30
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let closure: Box<FnBox> = Box::new(f);
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:229:30
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let closure: Box<FnBox + 'static> = unsafe { std::mem::transmute(closure) };
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `"docker" "inspect" "5316dd99d5ac91e938b8b257ea46703a67c642862ebd58692a8149ee9dea2a20"`
[INFO] running `"docker" "rm" "-f" "5316dd99d5ac91e938b8b257ea46703a67c642862ebd58692a8149ee9dea2a20"`
[INFO] [stdout] 5316dd99d5ac91e938b8b257ea46703a67c642862ebd58692a8149ee9dea2a20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/may_actor/0.2.2:/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] 95df35f81e6a15654275e129a6ddcd26fd5fb12383f8ee5cfaf6cfc377b6f4a9
[INFO] running `"docker" "start" "-a" "95df35f81e6a15654275e129a6ddcd26fd5fb12383f8ee5cfaf6cfc377b6f4a9"`
[INFO] [stderr]    Compiling may_actor v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |     tx: mpsc::Sender<Box<FnBox>>,
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:44
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:227:30
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let closure: Box<FnBox> = Box::new(f);
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:229:30
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let closure: Box<FnBox + 'static> = unsafe { std::mem::transmute(closure) };
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "95df35f81e6a15654275e129a6ddcd26fd5fb12383f8ee5cfaf6cfc377b6f4a9"`
[INFO] running `"docker" "rm" "-f" "95df35f81e6a15654275e129a6ddcd26fd5fb12383f8ee5cfaf6cfc377b6f4a9"`
[INFO] [stdout] 95df35f81e6a15654275e129a6ddcd26fd5fb12383f8ee5cfaf6cfc377b6f4a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/may_actor/0.2.2:/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] 9d5790f2da581f1c6f4fd197ef892644804d325d90a4ce589aac06d871935d9c
[INFO] running `"docker" "start" "-a" "9d5790f2da581f1c6f4fd197ef892644804d325d90a4ce589aac06d871935d9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/may_actor-4b086422baa54479
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'painic inside', src/lib.rs:417:20
[INFO] [stderr] stack backtrace:
[INFO] [stderr] thread '<unnamed>' panicked at 'support panic inside', src/lib.rs:308:22
[INFO] [stdout] test tests::test_key ... ok
[INFO] [stdout] ping called, count=0
[INFO] [stdout] pong called, count=0
[INFO] [stdout] ping called, count=1
[INFO] [stdout] pong called, count=1
[INFO] [stdout] ping called, count=2
[INFO] [stdout] pong called, count=2
[INFO] [stdout] ping called, count=3
[INFO] [stdout] pong called, count=3
[INFO] [stdout] ping called, count=4
[INFO] [stdout] pong called, count=4
[INFO] [stdout] ping called, count=5
[INFO] [stdout] pong called, count=5
[INFO] [stdout] ping called, count=6
[INFO] [stdout] pong called, count=6
[INFO] [stdout] ping called, count=7
[INFO] [stdout] pong called, count=7
[INFO] [stdout] ping called, count=8
[INFO] [stdout] pong called, count=8
[INFO] [stdout] ping called, count=9
[INFO] [stdout] pong called, count=9
[INFO] [stdout] ping called, count=10
[INFO] [stdout] pong called, count=10
[INFO] [stdout] new_value = 1
[INFO] [stdout] test tests::ping_pong ... ok
[INFO] [stdout] test tests::with_test ... ok
[INFO] [stderr]    0:     0x55ea181a3a8b - 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:     0x55ea181a3a8b - 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:     0x55ea181a3a8b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ea181a3a8b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ea181a3a8b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ea181a3767 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]    7:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]    9:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   11:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   13:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   15:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   17:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55ea181a42e9 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   19:     0x55ea1817fe48 - std::panicking::begin_panic::h36fbe84c73fabd66
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411
[INFO] [stderr]   20:     0x55ea180d9805 - may_actor::tests::with_panic::{{closure}}::hc5dd3968834fd981
[INFO] [stderr]                                at src/lib.rs:417
[INFO] [stderr]   21:     0x55ea180c2ef8 - may_actor::Actor<T>::with::{{closure}}::{{closure}}::h7a15b4ca90d04714
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   22:     0x55ea180cc191 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hec672c48b86c164d
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stderr]   23:     0x55ea180d4f15 - std::panicking::try::do_call::h1fb3e0fd3065fcde
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stderr]   24:     0x55ea181a686a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   25:     0x55ea180d4c61 - std::panicking::try::he4aed9d6b86297f2
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stderr]   26:     0x55ea180cc993 - std::panic::catch_unwind::h8cd32fd819273601
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stderr]   27:     0x55ea180c3a38 - may_actor::Actor<T>::with::{{closure}}::h5e3ddde95a35157c
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   28:     0x55ea180bd469 - <F as may_actor::FnBox>::call_box::h27eeee07b7d7f6e8
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   29:     0x55ea180bded6 - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::he56f519ae5a44df1
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   30:     0x55ea180cc13d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc1c8403eff34c6a3
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stderr]   31:     0x55ea180d4ed0 - std::panicking::try::do_call::h1e107c4366e3ccd1
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stderr]   32:     0x55ea181a686a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   33:     0x55ea180d41a3 - std::panicking::try::h18dcde61a8a4db9a
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stderr]   34:     0x55ea180cc8dd - std::panic::catch_unwind::h273cc0550f6392ce
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stderr]   35:     0x55ea180be347 - may_actor::ActorImpl<T>::new::{{closure}}::h3da93b755cc10ed6
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   36:     0x55ea180c96fd - may::coroutine_impl::Builder::spawn_impl::{{closure}}::ha44d0f91a42b9cc1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   37:     0x55ea180db163 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::ha1dcf0dce841f581
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   38:     0x55ea180dbec3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h21b3a48bb0205fe5
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stderr]   39:     0x55ea1817f97b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h435686b369ff4b86
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stderr]   40:     0x55ea18181da6 - generator::gen_impl::gen_init::{{closure}}::h138c041c503243d0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   41:     0x55ea1817def3 - core::ops::function::FnOnce::call_once::h2fe3c894639ec5f9
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stderr]   42:     0x55ea18180087 - std::panicking::try::do_call::h85e02774c135ce93
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stderr]   43:     0x55ea181a686a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   44:     0x55ea1817ff21 - std::panicking::try::h8be7a3d346f1ec4b
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stderr]   45:     0x55ea1817dcc4 - std::panic::catch_unwind::h75f3956c5985a4e0
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stderr]   46:     0x55ea18181b99 - generator::gen_impl::gen_init::h0e1d06d8ae4b3ae5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:392
[INFO] [stderr]   47:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ea181a3a8b - 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:     0x55ea181a3a8b - 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:     0x55ea181a3a8b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ea181a3a8b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ea181a3a8b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ea181a3767 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]    7:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]    9:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   11:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   13:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   15:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55ea18126180 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h911116d3f25d0fbf
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:760
[INFO] [stderr]   17:     0x55ea18143815 - may::scheduler::filter_cancel_panic::{{closure}}::h1a8571f672c9f646
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55ea181a42e9 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   19:     0x55ea1817fe48 - std::panicking::begin_panic::h36fbe84c73fabd66
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411
[INFO] [stderr]   20:     0x55ea180d8395 - may_actor::tests::it_works::{{closure}}::ha9c108cc9cf69065
[INFO] [stderr]                                at src/lib.rs:308
[INFO] [stderr]   21:     0x55ea180bfd24 - may_actor::Actor<T>::call::{{closure}}::h0b09444746fdbf6c
[INFO] [stderr]                                at src/lib.rs:185
[INFO] [stderr]   22:     0x55ea180bd7f6 - <F as may_actor::FnBox>::call_box::he6796cd6e475dbab
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   23:     0x55ea180bdea6 - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::he333a97ef3e8d854
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   24:     0x55ea180cc0dd - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h98d5b4e824023456
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stderr]   25:     0x55ea180d4fc0 - std::panicking::try::do_call::h46e61d4d0d3e76a1
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stderr]   26:     0x55ea181a686a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   27:     0x55ea180d4013 - std::panicking::try::h042144aa5f1ce0da
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stderr]   28:     0x55ea180cc91d - std::panic::catch_unwind::h57a1208dee34584b
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x55ea180be7e7 - may_actor::ActorImpl<T>::new::{{closure}}::h840dff6407ef0597
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   30:     0x55ea180c9b4d - may::coroutine_impl::Builder::spawn_impl::{{closure}}::hfb9a4f7c7fb20ba5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   31:     0x55ea180db233 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::hafc5f218dcb1781c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   32:     0x55ea180dbf53 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hdabef96431888814
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stderr]   33:     0x55ea1817f97b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h435686b369ff4b86
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stderr]   34:     0x55ea18181da6 - generator::gen_impl::gen_init::{{closure}}::h138c041c503243d0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   35:     0x55ea1817def3 - core::ops::function::FnOnce::call_once::h2fe3c894639ec5f9
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stderr]   36:     0x55ea18180087 - std::panicking::try::do_call::h85e02774c135ce93
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stderr]   37:     0x55ea181a686a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   38:     0x55ea1817ff21 - std::panicking::try::h8be7a3d346f1ec4b
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stderr]   39:     0x55ea1817dcc4 - std::panic::catch_unwind::h75f3956c5985a4e0
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stderr]   40:     0x55ea18181b99 - generator::gen_impl::gen_init::h0e1d06d8ae4b3ae5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:392
[INFO] [stderr]   41:                0x0 - <unknown>
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::with_panic ... ok
[INFO] [stdout] new_value = 2
[INFO] [stdout] new_value = 3
[INFO] [stdout] test tests::driver_actor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests may_actor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Actor (line 84) ... 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" "9d5790f2da581f1c6f4fd197ef892644804d325d90a4ce589aac06d871935d9c"`
[INFO] running `"docker" "rm" "-f" "9d5790f2da581f1c6f4fd197ef892644804d325d90a4ce589aac06d871935d9c"`
[INFO] [stdout] 9d5790f2da581f1c6f4fd197ef892644804d325d90a4ce589aac06d871935d9c