[INFO] fetching crate multi-trait-object 0.2.0...
[INFO] testing multi-trait-object-0.2.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate multi-trait-object 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate multi-trait-object 0.2.0
[INFO] finished tweaking crates.io crate multi-trait-object 0.2.0
[INFO] tweaked toml for crates.io crate multi-trait-object 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-trait-object 0.2.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcb5a4ff4cc6954fc29e7cc0b59b70d68c5b897577469f8889ec485ba7ae3f5
[INFO] running `Command { std: "docker" "start" "-a" "0bcb5a4ff4cc6954fc29e7cc0b59b70d68c5b897577469f8889ec485ba7ae3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcb5a4ff4cc6954fc29e7cc0b59b70d68c5b897577469f8889ec485ba7ae3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcb5a4ff4cc6954fc29e7cc0b59b70d68c5b897577469f8889ec485ba7ae3f5", kill_on_drop: false }`
[INFO] [stdout] 0bcb5a4ff4cc6954fc29e7cc0b59b70d68c5b897577469f8889ec485ba7ae3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98a003c463e2718a3fc523bf87db4402dfe65954b77bb7fafca654425d3e90f2
[INFO] running `Command { std: "docker" "start" "-a" "98a003c463e2718a3fc523bf87db4402dfe65954b77bb7fafca654425d3e90f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-trait-object v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug::*`
[INFO] [stdout]  --> src/trait_impl/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use debug::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std_impl::*`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "98a003c463e2718a3fc523bf87db4402dfe65954b77bb7fafca654425d3e90f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a003c463e2718a3fc523bf87db4402dfe65954b77bb7fafca654425d3e90f2", kill_on_drop: false }`
[INFO] [stdout] 98a003c463e2718a3fc523bf87db4402dfe65954b77bb7fafca654425d3e90f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f205cf117126075c1f4f10919cf944a659f9ce85504eaacd30e31a02afa841
[INFO] running `Command { std: "docker" "start" "-a" "e3f205cf117126075c1f4f10919cf944a659f9ce85504eaacd30e31a02afa841", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `debug::*`
[INFO] [stdout]  --> src/trait_impl/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use debug::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std_impl::*`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multi-trait-object v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug::*`
[INFO] [stdout]  --> src/trait_impl/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use debug::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std_impl::*`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "e3f205cf117126075c1f4f10919cf944a659f9ce85504eaacd30e31a02afa841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f205cf117126075c1f4f10919cf944a659f9ce85504eaacd30e31a02afa841", kill_on_drop: false }`
[INFO] [stdout] e3f205cf117126075c1f4f10919cf944a659f9ce85504eaacd30e31a02afa841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 434ece7e4dff2a5fba20f0755db1e9273d60ab830f9250b5c0523911f962fe13
[INFO] running `Command { std: "docker" "start" "-a" "434ece7e4dff2a5fba20f0755db1e9273d60ab830f9250b5c0523911f962fe13", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `debug::*`
[INFO] [stderr]  --> src/trait_impl/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use debug::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std_impl::*`
[INFO] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std_impl::*;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `multi-trait-object` (lib) generated 2 warnings (run `cargo fix --lib -p multi-trait-object` to apply 2 suggestions)
[INFO] [stderr] warning: `multi-trait-object` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_trait_object-1d6da74ec4f7c0d4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]    Doc-tests multi_trait_object
[INFO] [stdout] test tests::it_constructs ... ok
[INFO] [stdout] test tests::it_downcasts_boxed_traits ... ok
[INFO] [stdout] test tests::it_creates_fat_pointers ... ok
[INFO] [stdout] test tests::it_downcasts_traits ... ok
[INFO] [stdout] test tests::it_returns_type_information ... ok
[INFO] [stdout] test tests::it_downcasts_to_original ... ok
[INFO] [stdout] test tests::it_downcasts_trait_mutable ... ok
[INFO] [stdout] test tests::it_tries_cloning ... ok
[INFO] [stdout] test tests::it_tries_partial_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/macros.rs - macros::impl_trait_object (line 2) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/macros.rs - macros::create_object (line 45) ... FAILED
[INFO] [stdout] test src/lib.rs - MultitraitObject (line 33) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/macros.rs - macros::create_object (line 45) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/macros.rs:8:11:
[INFO] [stdout] null pointer dereference occurred
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a20e7b9002 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64a20e7b9002 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64a20e7b9002 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64a20e7b9002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64a20e7d50a3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64a20e7d50a3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x64a20e7b6c03 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64a20e7b6c03 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64a20e7b8e52 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64a20e7b9ec6 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x64a20e7b9cc9 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x64a20e7ba792 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x64a20e7ba5f6 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13
[INFO] [stdout]   13:     0x64a20e7b94f9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x64a20e7ba2bd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x64a20e7d4312 - core::panicking::panic_nounwind_fmt::runtime::h8ddb2a5f88f26324
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:117:22
[INFO] [stdout]   16:     0x64a20e7d4312 - core::panicking::panic_nounwind_fmt::he1eacb19cf6e69ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/intrinsics/mod.rs:2345:9
[INFO] [stdout]   17:     0x64a20e7d44ed - core::panicking::panic_null_pointer_dereference::hddb1e9bed882fa96
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:311:5
[INFO] [stdout]   18:     0x64a20e7975ea - rust_out::main::_doctest_main_src_macros_rs_45_0::hc418e2e6cb6ccb08
[INFO] [stdout]   19:     0x64a20e797516 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   20:     0x64a20e794c63 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   21:     0x64a20e794a06 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   22:     0x64a20e7947b9 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   23:     0x64a20e7b4780 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   24:     0x64a20e7b4780 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x64a20e7b4780 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x64a20e7b4780 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x64a20e7b4780 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x64a20e7b4780 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x64a20e7b4780 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x64a20e7b4780 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x64a20e7b4780 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x64a20e7947a1 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   33:     0x64a20e7976e5 - main
[INFO] [stdout]   34:     0x7429393ea1ca - <unknown>
[INFO] [stdout]   35:     0x7429393ea28b - __libc_start_main
[INFO] [stdout]   36:     0x64a20e794465 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] thread caused non-unwinding panic. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - MultitraitObject (line 33) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:8:11:
[INFO] [stdout] null pointer dereference occurred
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63cf9e14c102 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63cf9e14c102 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63cf9e14c102 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x63cf9e14c102 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x63cf9e168203 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x63cf9e168203 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x63cf9e149c13 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63cf9e149c13 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x63cf9e14bf52 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x63cf9e14cfc6 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x63cf9e14cdc9 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x63cf9e14d892 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x63cf9e14d6f6 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13
[INFO] [stdout]   13:     0x63cf9e14c5f9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x63cf9e14d3bd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x63cf9e167472 - core::panicking::panic_nounwind_fmt::runtime::h8ddb2a5f88f26324
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:117:22
[INFO] [stdout]   16:     0x63cf9e167472 - core::panicking::panic_nounwind_fmt::he1eacb19cf6e69ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/intrinsics/mod.rs:2345:9
[INFO] [stdout]   17:     0x63cf9e16764d - core::panicking::panic_null_pointer_dereference::hddb1e9bed882fa96
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:311:5
[INFO] [stdout]   18:     0x63cf9e1296fe - rust_out::main::_doctest_main_src_lib_rs_33_0::h072328d5f8373f0f
[INFO] [stdout]   19:     0x63cf9e129616 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   20:     0x63cf9e126893 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   21:     0x63cf9e126526 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   22:     0x63cf9e1262d9 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   23:     0x63cf9e146de0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   24:     0x63cf9e146de0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x63cf9e146de0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x63cf9e146de0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x63cf9e146de0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x63cf9e146de0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x63cf9e146de0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x63cf9e146de0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x63cf9e146de0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x63cf9e1262c1 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   33:     0x63cf9e129ba5 - main
[INFO] [stdout]   34:     0x73b328b931ca - <unknown>
[INFO] [stdout]   35:     0x73b328b9328b - __libc_start_main
[INFO] [stdout]   36:     0x63cf9e125c35 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] thread caused non-unwinding panic. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - MultitraitObject (line 33)
[INFO] [stdout]     src/macros.rs - macros::create_object (line 45)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "434ece7e4dff2a5fba20f0755db1e9273d60ab830f9250b5c0523911f962fe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434ece7e4dff2a5fba20f0755db1e9273d60ab830f9250b5c0523911f962fe13", kill_on_drop: false }`
[INFO] [stdout] 434ece7e4dff2a5fba20f0755db1e9273d60ab830f9250b5c0523911f962fe13
