[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 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-0/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e81cb670a6d3645fa8b7770119fd68e9e0ac42254db2361bb5b7bfd693922bbc
[INFO] running `"docker" "start" "-a" "e81cb670a6d3645fa8b7770119fd68e9e0ac42254db2361bb5b7bfd693922bbc"`
[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 v0.3.11
[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 6.61s
[INFO] running `"docker" "inspect" "e81cb670a6d3645fa8b7770119fd68e9e0ac42254db2361bb5b7bfd693922bbc"`
[INFO] running `"docker" "rm" "-f" "e81cb670a6d3645fa8b7770119fd68e9e0ac42254db2361bb5b7bfd693922bbc"`
[INFO] [stdout] e81cb670a6d3645fa8b7770119fd68e9e0ac42254db2361bb5b7bfd693922bbc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4ee163fbefce194837f09c20c5c95209adcaba870a78ef7781779f968826e2e
[INFO] running `"docker" "start" "-a" "e4ee163fbefce194837f09c20c5c95209adcaba870a78ef7781779f968826e2e"`
[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 2.51s
[INFO] running `"docker" "inspect" "e4ee163fbefce194837f09c20c5c95209adcaba870a78ef7781779f968826e2e"`
[INFO] running `"docker" "rm" "-f" "e4ee163fbefce194837f09c20c5c95209adcaba870a78ef7781779f968826e2e"`
[INFO] [stdout] e4ee163fbefce194837f09c20c5c95209adcaba870a78ef7781779f968826e2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ff954270706b5d3fb8f8c3be8c283a8995ec93f9ed6fc5d8f82ab36d978362b6
[INFO] running `"docker" "start" "-a" "ff954270706b5d3fb8f8c3be8c283a8995ec93f9ed6fc5d8f82ab36d978362b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/may_actor-8193e7d986894e5b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_key ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'painic inside', src/lib.rs:417:20
[INFO] [stderr] stack backtrace:
[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] thread '<unnamed>' panicked at 'support panic inside', src/lib.rs:308:22
[INFO] [stdout] new_value = 1
[INFO] [stderr]    0:     0x55e1ff1cc6db - 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:     0x55e1ff1cc6db - 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:     0x55e1ff1cc6db - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e1ff1cc6db - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e1ff1cc6db - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55e1ff1cc3b6 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]    7:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]    9:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   11:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   13:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   15:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   17:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   19:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   20:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   21:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   22:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   23:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   24:     0x55e1ff1ccf36 - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   25:     0x55e1ff1a5fe5 - std::panicking::begin_panic::h532c66aef6c8ec8f
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411
[INFO] [stderr]   26:     0x55e1ff0fdef5 - may_actor::tests::with_panic::{{closure}}::h59bb05b0cbc67ece
[INFO] [stderr]                                at src/lib.rs:417
[INFO] [stderr]   27:     0x55e1ff0e4998 - may_actor::Actor<T>::with::{{closure}}::{{closure}}::h5e4626b8fe5ea1c5
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   28:     0x55e1ff0efa21 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf8e00e001b2e6a43
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stderr]   29:     0x55e1ff0f96d8 - std::panicking::try::do_call::hbeebdfb97d8949e6
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stderr]   30:     0x55e1ff1cf81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   31:     0x55e1ff0f9394 - std::panicking::try::he61c3ba067976b59
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stderr]   32:     0x55e1ff0efcc3 - std::panic::catch_unwind::hbae44d82b168b61e
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stderr]   33:     0x55e1ff0e5868 - may_actor::Actor<T>::with::{{closure}}::hee577969465d6118
[INFO] [stderr]                                at src/lib.rs:215
[INFO] [stderr]   34:     0x55e1ff0df529 - <F as may_actor::FnBox>::call_box::hbdbcfe4298b9babf
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   35:     0x55e1ff0dfcae - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::h7ac7d104aa82977c
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   36:     0x55e1ff0ef92d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h60403247b2fdf9d1
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stderr]   37:     0x55e1ff0f9780 - std::panicking::try::do_call::hec6bcf0dada2eecc
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stderr]   38:     0x55e1ff1cf81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout] test tests::with_panic ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]   39:     0x55e1ff0f8f46 - std::panicking::try::hc6d09694fea904f7
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stderr]   40:     0x55e1ff0efbbd - std::panic::catch_unwind::h4168db8106dcb7cb
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stderr]   41:     0x55e1ff0e0125 - may_actor::ActorImpl<T>::new::{{closure}}::h5c514ccc8077a444
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   42:     0x55e1ff0eb1bd - may::coroutine_impl::Builder::spawn_impl::{{closure}}::hc8f83c2d9c4ad4e5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   43:     0x55e1ff102d83 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::h9f2273337b30b75a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   44:     0x55e1ff0fe413 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h506d3ae92a773490
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stderr]   45:     0x55e1ff1a733b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h24d6520fa92f634e
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stderr]   46:     0x55e1ff1a3706 - generator::gen_impl::gen_init::{{closure}}::h33477312f2d8bcbb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   47:     0x55e1ff1a3af3 - core::ops::function::FnOnce::call_once::hd09d5fa1d69f62f9
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stderr]   48:     0x55e1ff1a621a - std::panicking::try::do_call::h30f5fa1b23a10281
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stderr]   49:     0x55e1ff1cf81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   50:     0x55e1ff1a60b7 - std::panicking::try::h3f5fcfdff558c550
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stderr]   51:     0x55e1ff1a3a24 - std::panic::catch_unwind::h045ab8c5f6085801
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stderr]   52:     0x55e1ff1a3509 - generator::gen_impl::gen_init::h92ff80552ec4bc68
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:392
[INFO] [stderr]   53:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e1ff1cc6db - 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:     0x55e1ff1cc6db - 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:     0x55e1ff1cc6db - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e1ff1cc6db - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e1ff1cc6db - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55e1ff1cc3b6 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]    7:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]    8:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]    9:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   10:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   11:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   12:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   13:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   14:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   15:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   16:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   17:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   18:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   19:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   20:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   21:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   22:     0x55e1ff14f4f8 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::hade9f79b20151919
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:801
[INFO] [stderr]   23:     0x55e1ff167525 - may::scheduler::filter_cancel_panic::{{closure}}::hb0767b096291ecc2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/scheduler.rs:49
[INFO] [stderr]   24:     0x55e1ff1ccf36 - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   25:     0x55e1ff1a5fe5 - std::panicking::begin_panic::h532c66aef6c8ec8f
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411
[INFO] [stderr]   26:     0x55e1ff0fca85 - may_actor::tests::it_works::{{closure}}::h63f55fec91e688a8
[INFO] [stderr]                                at src/lib.rs:308
[INFO] [stderr]   27:     0x55e1ff0e1d14 - may_actor::Actor<T>::call::{{closure}}::h86e53203d0fb29a2
[INFO] [stderr]                                at src/lib.rs:185
[INFO] [stderr]   28:     0x55e1ff0df2b6 - <F as may_actor::FnBox>::call_box::h1230b0cc523aea04
[INFO] [stderr]                                at src/lib.rs:40
[INFO] [stderr]   29:     0x55e1ff0dfd0e - may_actor::ActorImpl<T>::new::{{closure}}::{{closure}}::hf1764d08af385cd1
[INFO] [stderr]                                at src/lib.rs:61
[INFO] [stderr]   30:     0x55e1ff0ef8fd - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h53b8ad1902c5a24d
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stderr]   31:     0x55e1ff0f9640 - std::panicking::try::do_call::h9eeb40692aa36125
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stderr]   32:     0x55e1ff1cf81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   33:     0x55e1ff0f87e6 - std::panicking::try::h40bc684340096052
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stderr]   34:     0x55e1ff0efd6d - std::panic::catch_unwind::hfbeadf348d68c8d6
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stderr]   35:     0x55e1ff0e0565 - may_actor::ActorImpl<T>::new::{{closure}}::hca5ad4d29c9e30d7
[INFO] [stderr]                                at src/lib.rs:60
[INFO] [stderr]   36:     0x55e1ff0eb3bd - may::coroutine_impl::Builder::spawn_impl::{{closure}}::hfe16c77f64c4c424
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.12/src/coroutine_impl.rs:279
[INFO] [stderr]   37:     0x55e1ff102f23 - generator::gen_impl::GeneratorImpl<A,T>::init::{{closure}}::hc8c2e733f7c3aa1a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:146
[INFO] [stderr]   38:     0x55e1ff0fe453 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha3efab8810e35ae6
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stderr]   39:     0x55e1ff1a733b - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h24d6520fa92f634e
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stderr]   40:     0x55e1ff1a3706 - generator::gen_impl::gen_init::{{closure}}::h33477312f2d8bcbb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.17/src/gen_impl.rs:378
[INFO] [stderr]   41:     0x55e1ff1a3af3 - core::ops::function::FnOnce::call_once::hd09d5fa1d69f62f9
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stderr]   42:     0x55e1ff1a621a - std::panicking::try::do_call::h30f5fa1b23a10281
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stderr]   43:     0x55e1ff1cf81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   44:     0x55e1ff1a60b7 - std::panicking::try::h3f5fcfdff558c550
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stderr]   45:     0x55e1ff1a3a24 - std::panic::catch_unwind::h045ab8c5f6085801
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stderr]   46:     0x55e1ff1a3509 - generator::gen_impl::gen_init::h92ff80552ec4bc68
[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] 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" "ff954270706b5d3fb8f8c3be8c283a8995ec93f9ed6fc5d8f82ab36d978362b6"`
[INFO] running `"docker" "rm" "-f" "ff954270706b5d3fb8f8c3be8c283a8995ec93f9ed6fc5d8f82ab36d978362b6"`
[INFO] [stdout] ff954270706b5d3fb8f8c3be8c283a8995ec93f9ed6fc5d8f82ab36d978362b6