[INFO] fetching crate concurrent-event 0.1.0...
[INFO] testing concurrent-event-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate concurrent-event 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate concurrent-event 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrent-event 0.1.0
[INFO] finished tweaking crates.io crate concurrent-event 0.1.0
[INFO] tweaked toml for crates.io crate concurrent-event 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea7f0ae98fc32e761ed5cfa7aaab4d2182070c296d117a04399babc71be12cef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea7f0ae98fc32e761ed5cfa7aaab4d2182070c296d117a04399babc71be12cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7f0ae98fc32e761ed5cfa7aaab4d2182070c296d117a04399babc71be12cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7f0ae98fc32e761ed5cfa7aaab4d2182070c296d117a04399babc71be12cef", kill_on_drop: false }`
[INFO] [stdout] ea7f0ae98fc32e761ed5cfa7aaab4d2182070c296d117a04399babc71be12cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e27a71ae934616f8a1b52aa870f9265dacd6b5f9e72ec2bd25f077ffbf265772
[INFO] running `Command { std: "docker" "start" "-a" "e27a71ae934616f8a1b52aa870f9265dacd6b5f9e72ec2bd25f077ffbf265772", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling concurrent-event v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "e27a71ae934616f8a1b52aa870f9265dacd6b5f9e72ec2bd25f077ffbf265772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27a71ae934616f8a1b52aa870f9265dacd6b5f9e72ec2bd25f077ffbf265772", kill_on_drop: false }`
[INFO] [stdout] e27a71ae934616f8a1b52aa870f9265dacd6b5f9e72ec2bd25f077ffbf265772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f755a640cfaeba11cfa329d56c05bdbeeb5dcc6503d61660957bd862dabb42d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f755a640cfaeba11cfa329d56c05bdbeeb5dcc6503d61660957bd862dabb42d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-event v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "f755a640cfaeba11cfa329d56c05bdbeeb5dcc6503d61660957bd862dabb42d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f755a640cfaeba11cfa329d56c05bdbeeb5dcc6503d61660957bd862dabb42d8", kill_on_drop: false }`
[INFO] [stdout] f755a640cfaeba11cfa329d56c05bdbeeb5dcc6503d61660957bd862dabb42d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08d585ff8c16c9e806a24e920b0bafaad0a3241286700f7c603808b88c529d72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08d585ff8c16c9e806a24e920b0bafaad0a3241286700f7c603808b88c529d72", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concurrent_event-b1cb711a6c8b21d9
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at '(╯°□°）╯︵ ┻━┻', src/test.rs:121:13
[INFO] [stdout] running 8 tests
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test test::empty_emit ... ok
[INFO] [stdout] test test::single_handler_single_event ... ok
[INFO] [stdout] test test::boxed_handler ... ok
[INFO] [stdout] test test::multiple_handlers_multiple_events ... ok
[INFO] [stderr]    0:     0x55df382f5f00 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55df382f5f00 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55df382f5f00 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout] test test::awaits ... ok
[INFO] [stderr]    3:     0x55df382f5f00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55df383192ac - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x55df382f2ac7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x55df382f8390 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55df382f8390 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55df382f8390 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x55df382f80dc - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x55df382f89f3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x55df382d097c - std::panicking::begin_panic::{{closure}}::h2b19c109dfdff897
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x55df382cfbe9 - std::sys_common::backtrace::__rust_end_short_backtrace::h924cc82ac548938d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55df382d08a7 - std::panicking::begin_panic::h223309403fc1462c
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x55df38230d4c - concurrent_event::test::panicking::{{closure}}::ha301bee4beaacdab
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test.rs:121
[INFO] [stderr]   15:     0x55df3823b526 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h4c52990210f67951
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1056
[INFO] [stderr]   16:     0x55df38240b66 - <concurrent_event::handler::StatefulEventHandler<A,S> as concurrent_event::handler::EventHandler<A>>::on_event::hc973b3fc13c54382
[INFO] [stderr]                                at /opt/rustwide/workdir/src/handler.rs:116
[INFO] [stderr]   17:     0x55df38227eb3 - concurrent_event::Event<A,H>::emit::{{closure}}::{{closure}}::hc6f00454de2aa886
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:82
[INFO] [stderr]   18:     0x55df38220f2d - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h71a70f610dc9e922
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:415
[INFO] [stderr]   19:     0x55df38220911 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h0c3dfbdc54d78b0d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:423
[INFO] [stderr]   20:     0x55df3823b5d6 - <alloc::boxed::Box<F> as core::ops::function::FnMut<A>>::call_mut::h5ef4ff7f7aae10f1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1049
[INFO] [stderr]   21:     0x55df38221575 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::hdc6fc405ea711071
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:431
[INFO] [stderr]   22:     0x55df3822d483 - std::sys_common::backtrace::__rust_begin_short_backtrace::h9781248fd191cd13
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   23:     0x55df38245723 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4181833fd73c8d83
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   24:     0x55df38238f13 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdc05aba3c62baa41
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   25:     0x55df382419a9 - std::panicking::try::do_call::hafe1c1ded7280a9c
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   26:     0x55df3824222d - __rust_try
[INFO] [stderr]   27:     0x55df38240be0 - std::panicking::try::h013f553d15a5dd2f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   28:     0x55df382394e3 - std::panic::catch_unwind::h3a5ebe7ff7509041
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   29:     0x55df38244c1c - std::thread::Builder::spawn_unchecked::{{closure}}::h86504d29bc9cf445
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   30:     0x55df38246ace - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9969cc64a42090ab
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   31:     0x55df382ff27a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   32:     0x55df382ff27a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   33:     0x55df382ff27a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   34:     0x7f2dab4dc609 - start_thread
[INFO] [stderr]   35:     0x7f2dab767103 - clone
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stdout] test test::single_handler_multiple_events ... ok
[INFO] [stdout] test test::parallel_execution ... ok
[INFO] [stderr]    Doc-tests concurrent-event
[INFO] [stdout] test test::panicking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/handler.rs - handler::StatefulEventHandler (line 68) ... ok
[INFO] [stdout] test src/handler.rs - handler::StatelessEventHandler (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08d585ff8c16c9e806a24e920b0bafaad0a3241286700f7c603808b88c529d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d585ff8c16c9e806a24e920b0bafaad0a3241286700f7c603808b88c529d72", kill_on_drop: false }`
[INFO] [stdout] 08d585ff8c16c9e806a24e920b0bafaad0a3241286700f7c603808b88c529d72
