[INFO] crate may_actor 0.2.2 is already in cache
[INFO] extracting crate may_actor 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/may_actor/0.2.2
[INFO] extracting crate may_actor 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/may_actor/0.2.2
[INFO] validating manifest of may_actor-0.2.2 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 may_actor-0.2.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/may_actor/0.2.2/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 may_actor-0.2.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cef2fe8c1757f04b0e87ea2952e3e2a97d9515805ef126b1aea085eff294f6f6
[INFO] running `"docker" "start" "-a" "cef2fe8c1757f04b0e87ea2952e3e2a97d9515805ef126b1aea085eff294f6f6"`
[INFO] [stderr]    Compiling may_queue v0.1.6
[INFO] [stderr]    Compiling generator v0.6.17
[INFO] [stderr]    Compiling may v0.3.12
[INFO] [stderr]    Compiling socket2 v0.3.11
[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 6.89s
[INFO] running `"docker" "inspect" "cef2fe8c1757f04b0e87ea2952e3e2a97d9515805ef126b1aea085eff294f6f6"`
[INFO] running `"docker" "rm" "-f" "cef2fe8c1757f04b0e87ea2952e3e2a97d9515805ef126b1aea085eff294f6f6"`
[INFO] [stdout] cef2fe8c1757f04b0e87ea2952e3e2a97d9515805ef126b1aea085eff294f6f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46e653dca29f5a277ecc3867198d4f6f49d5c7ff78f315d4fb1ea304c9e88ac2
[INFO] running `"docker" "start" "-a" "46e653dca29f5a277ecc3867198d4f6f49d5c7ff78f315d4fb1ea304c9e88ac2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.42s
[INFO] running `"docker" "inspect" "46e653dca29f5a277ecc3867198d4f6f49d5c7ff78f315d4fb1ea304c9e88ac2"`
[INFO] running `"docker" "rm" "-f" "46e653dca29f5a277ecc3867198d4f6f49d5c7ff78f315d4fb1ea304c9e88ac2"`
[INFO] [stdout] 46e653dca29f5a277ecc3867198d4f6f49d5c7ff78f315d4fb1ea304c9e88ac2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e5263f1d33b902c9b9f949204a83e8dac2e2b46ffb4d22265a1147dbb20255c0
[INFO] running `"docker" "start" "-a" "e5263f1d33b902c9b9f949204a83e8dac2e2b46ffb4d22265a1147dbb20255c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/may_actor-e2ec02f27b23e381
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'support panic inside', src/lib.rs:308:22
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test tests::test_key ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'painic inside', src/lib.rs:417:20
[INFO] [stdout] new_value = 1
[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] test tests::with_test ... ok
[INFO] [stdout] test tests::ping_pong ... ok
[INFO] [stderr]    0:     0x55de7b9fc01b - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55de7b9fc01b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55de7b9fc01b - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55de7b9fc01b - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55de7b9fc01b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55de7b9fbcf7 - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]    7:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]    9:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   11:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   13:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   15:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   17:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55de7b9fc879 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   19:     0x55de7b9ebb48 - std::panicking::begin_panic::h8c9836f49e809a3b
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411
[INFO] [stderr]   20:     0x55de7b931285 - may_actor::tests::it_works::{{closure}}::he9a5afe256760bdf
[INFO] [stderr]                                at src/lib.rs:308
[INFO] [stderr]   21:     0x55de7b919034 - may_actor::Actor<T>::call::{{closure}}::he49d9e2d5956c818
[INFO] [stderr]                                at src/lib.rs:185
[INFO] [stderr]   22:     0x55de7b916406 - <F as may_actor::FnBox>::call_box::h5c58b87d71506fd8
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   23:     0x55de7b916d36 - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::h3232982d29447d11
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   24:     0x55de7b92506d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hea82c7356b5165da
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stderr]   25:     0x55de7b92de10 - std::panicking::try::do_call::h652119824b7bb7a3
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stderr]   26:     0x55de7b9fedfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   27:     0x55de7b92d683 - std::panicking::try::hc606d8849d3f4400
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stderr]   28:     0x55de7b92581d - std::panic::catch_unwind::h37ad373e8a3dc17d
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x55de7b916fe7 - may_actor::ActorImpl<T>::new::{{closure}}::h55e04f9434ecd860
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   30:     0x55de7b92222d - may::coroutine_impl::Builder::spawn_impl::{{closure}}::h312b52bd3a5e7eea
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   31:     0x55de7b933f83 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::h3c04ed802fb45d48
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   32:     0x55de7b934e23 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd2ecc85ba5b199b6
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]   33:     0x55de7b9d612b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hea17a24289de7380
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stderr]   34:     0x55de7b9d8556 - generator::gen_impl::gen_init::{{closure}}::hbcbe48f08474f289
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   35:     0x55de7b9d46e3 - core::ops::function::FnOnce::call_once::h8ca6075b04a87d84
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]   36:     0x55de7b9d6837 - std::panicking::try::do_call::h3cef87cefe76c018
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stderr]   37:     0x55de7b9fedfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   38:     0x55de7b9d66d1 - std::panicking::try::hb24d94f23f518125
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stderr]   39:     0x55de7b9d4474 - std::panic::catch_unwind::hdd377bd40482be7a
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stderr]   40:     0x55de7b9d8349 - generator::gen_impl::gen_init::ha3e1c68a9838d1e4
[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] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55de7b9fc01b - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55de7b9fc01b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55de7b9fc01b - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55de7b9fc01b - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55de7b9fc01b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55de7b9fbcf7 - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]    7:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]    9:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   11:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   13:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   15:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55de7b97f0c0 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::he35d626d1941b342
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:760
[INFO] [stderr]   17:     0x55de7b99c715 - may::scheduler::filter_cancel_panic::{{closure}}::hcffc6e72c52dec69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55de7b9fc879 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   19:     0x55de7b9ebb48 - std::panicking::begin_panic::h8c9836f49e809a3b
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411
[INFO] [stderr]   20:     0x55de7b9326f5 - may_actor::tests::with_panic::{{closure}}::hb3cf2842ac2d04b3
[INFO] [stderr]                                at src/lib.rs:417
[INFO] [stderr]   21:     0x55de7b91bf28 - may_actor::Actor<T>::with::{{closure}}::{{closure}}::hc5b8a9bb036ecdcb
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   22:     0x55de7b925011 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc8ea4d79c316a69d
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stderr]   23:     0x55de7b92dd55 - std::panicking::try::do_call::h4418cb6b92ef034f
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stderr]   24:     0x55de7b9fedfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   25:     0x55de7b92d811 - std::panicking::try::hc7ee5f8c19de6fe2
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stderr]   26:     0x55de7b9258e3 - std::panic::catch_unwind::hc1d39a9f179ee4f3
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stderr]   27:     0x55de7b91c038 - may_actor::Actor<T>::with::{{closure}}::h36012913b6d81825
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   28:     0x55de7b916469 - <F as may_actor::FnBox>::call_box::h6b59ba1ab4de64c6
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   29:     0x55de7b916dc6 - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::hd34706f6b9a8b025
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   30:     0x55de7b924f5d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5dbcf6cbfbb45172
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stderr]   31:     0x55de7b92deb0 - std::panicking::try::do_call::h8fec0d95f7fe11e1
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stderr]   32:     0x55de7b9fedfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   33:     0x55de7b92d363 - std::panicking::try::h9d860c016b53222e
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stderr]   34:     0x55de7b92579d - std::panic::catch_unwind::h0904d9e6a84aab3a
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stderr]   35:     0x55de7b9176d7 - may_actor::ActorImpl<T>::new::{{closure}}::hf3d51714e70d3b29
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   36:     0x55de7b9223cd - may::coroutine_impl::Builder::spawn_impl::{{closure}}::h7ac8c132a37eb384
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   37:     0x55de7b934123 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::hf825cf8f5262f572
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   38:     0x55de7b934dc3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h151e62afe0d5dc6f
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]   39:     0x55de7b9d612b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hea17a24289de7380
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stderr]   40:     0x55de7b9d8556 - generator::gen_impl::gen_init::{{closure}}::hbcbe48f08474f289
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   41:     0x55de7b9d46e3 - core::ops::function::FnOnce::call_once::h8ca6075b04a87d84
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]   42:     0x55de7b9d6837 - std::panicking::try::do_call::h3cef87cefe76c018
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stderr]   43:     0x55de7b9fedfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   44:     0x55de7b9d66d1 - std::panicking::try::hb24d94f23f518125
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stderr]   45:     0x55de7b9d4474 - std::panic::catch_unwind::hdd377bd40482be7a
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stderr]   46:     0x55de7b9d8349 - generator::gen_impl::gen_init::ha3e1c68a9838d1e4
[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] [stdout] test tests::with_panic ... ok
[INFO] [stdout] test tests::it_works ... 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" "e5263f1d33b902c9b9f949204a83e8dac2e2b46ffb4d22265a1147dbb20255c0"`
[INFO] running `"docker" "rm" "-f" "e5263f1d33b902c9b9f949204a83e8dac2e2b46ffb4d22265a1147dbb20255c0"`
[INFO] [stdout] e5263f1d33b902c9b9f949204a83e8dac2e2b46ffb4d22265a1147dbb20255c0