Nov 18 14:27:10.288 INFO testing ffi_helpers-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 14:27:10.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:27:10.471 INFO [stdout] 9e39fb582c886f1fe33bba163ce464ccfcdf7c6a0c59755798ad03eed79815d9
Nov 18 14:27:10.474 INFO running `"docker" "start" "-a" "9e39fb582c886f1fe33bba163ce464ccfcdf7c6a0c59755798ad03eed79815d9"`
Nov 18 14:27:10.912 INFO [stderr] usermod: no changes
Nov 18 14:27:11.010 INFO [stderr]    Compiling ffi_helpers v0.1.0 (/source)
Nov 18 14:27:11.064 INFO [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer an warning, #[no_mangle] functions always exported`
Nov 18 14:27:11.064 INFO [stderr]    --> src/task.rs:440:9
Nov 18 14:27:11.064 INFO [stderr]     |
Nov 18 14:27:11.064 INFO [stderr] 440 | #[allow(private_no_mangle_fns)]
Nov 18 14:27:11.064 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:27:11.064 INFO [stderr]     |
Nov 18 14:27:11.064 INFO [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
Nov 18 14:27:11.064 INFO [stderr] 
Nov 18 14:27:12.606 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Nov 18 14:27:12.611 INFO [stderr] su: No module specific data is present
Nov 18 14:27:12.936 INFO running `"docker" "inspect" "9e39fb582c886f1fe33bba163ce464ccfcdf7c6a0c59755798ad03eed79815d9"`
Nov 18 14:27:13.063 INFO running `"docker" "rm" "-f" "9e39fb582c886f1fe33bba163ce464ccfcdf7c6a0c59755798ad03eed79815d9"`
Nov 18 14:27:13.190 INFO [stdout] 9e39fb582c886f1fe33bba163ce464ccfcdf7c6a0c59755798ad03eed79815d9
Nov 18 14:27:13.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:27:13.409 INFO [stdout] 0dde9fd674e75e658a4c67644a5af3d067296da1bca90fc228fd81c955ee4d41
Nov 18 14:27:13.412 INFO running `"docker" "start" "-a" "0dde9fd674e75e658a4c67644a5af3d067296da1bca90fc228fd81c955ee4d41"`
Nov 18 14:27:14.073 INFO [stderr] usermod: no changes
Nov 18 14:27:14.133 INFO [stderr]    Compiling ffi_helpers v0.1.0 (/source)
Nov 18 14:27:14.195 INFO [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer an warning, #[no_mangle] functions always exported`
Nov 18 14:27:14.195 INFO [stderr]    --> src/task.rs:440:9
Nov 18 14:27:14.195 INFO [stderr]     |
Nov 18 14:27:14.195 INFO [stderr] 440 | #[allow(private_no_mangle_fns)]
Nov 18 14:27:14.195 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:27:14.195 INFO [stderr]     |
Nov 18 14:27:14.195 INFO [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
Nov 18 14:27:14.195 INFO [stderr] 
Nov 18 14:27:17.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
Nov 18 14:27:17.595 INFO [stderr] su: No module specific data is present
Nov 18 14:27:18.066 INFO running `"docker" "inspect" "0dde9fd674e75e658a4c67644a5af3d067296da1bca90fc228fd81c955ee4d41"`
Nov 18 14:27:18.193 INFO running `"docker" "rm" "-f" "0dde9fd674e75e658a4c67644a5af3d067296da1bca90fc228fd81c955ee4d41"`
Nov 18 14:27:18.317 INFO [stdout] 0dde9fd674e75e658a4c67644a5af3d067296da1bca90fc228fd81c955ee4d41
Nov 18 14:27:18.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 14:27:18.695 INFO [stdout] 7e4b120ace3622565421f6e45316caf2611e4e169055911563854e417657e6e1
Nov 18 14:27:18.703 INFO running `"docker" "start" "-a" "7e4b120ace3622565421f6e45316caf2611e4e169055911563854e417657e6e1"`
Nov 18 14:27:19.370 INFO [stderr] usermod: no changes
Nov 18 14:27:19.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 18 14:27:19.432 INFO [stderr]      Running /target/debug/deps/ffi_helpers-875854ac53562b0f
Nov 18 14:27:19.433 INFO [stdout] 
Nov 18 14:27:19.434 INFO [stdout] running 11 tests
Nov 18 14:27:19.434 INFO [stdout] test error_handling::tests::take_the_last_error ... ok
Nov 18 14:27:19.434 INFO [stdout] test nullable::tests::can_detect_null_pointers ... ok
Nov 18 14:27:19.434 INFO [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok
Nov 18 14:27:19.434 INFO [stdout] test error_handling::tests::update_the_error ... ok
Nov 18 14:27:19.436 INFO [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok
Nov 18 14:27:19.436 INFO [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok
Nov 18 14:27:19.439 INFO [stdout] test nullable::tests::can_detect_non_null_pointers ... ok
Nov 18 14:27:19.455 INFO [stderr] thread '<unnamed>' panicked at 'Oops', src/task.rs:542:13
Nov 18 14:27:19.456 INFO [stdout] test task::tests::use_the_c_api ... ok
Nov 18 14:27:19.478 INFO [stderr] stack backtrace:
Nov 18 14:27:19.478 INFO [stderr]    0:     0x564256d70343 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h26df0f6fdb27c709
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Nov 18 14:27:19.478 INFO [stderr]    1:     0x564256d6ab58 - std::sys_common::backtrace::_print::h84c40fecda6d638e
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/sys_common/backtrace.rs:71
Nov 18 14:27:19.478 INFO [stderr]    2:     0x564256d6f264 - std::panicking::default_hook::{{closure}}::h77e370c0567fc0a7
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/sys_common/backtrace.rs:59
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/panicking.rs:211
Nov 18 14:27:19.478 INFO [stderr]    3:     0x564256d6efcd - std::panicking::default_hook::hb9a45c11a33bbcb2
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/panicking.rs:227
Nov 18 14:27:19.478 INFO [stderr]    4:     0x564256d6f970 - std::panicking::rust_panic_with_hook::ha8d95048d940f754
Nov 18 14:27:19.478 INFO [stderr]                                at libstd/panicking.rs:476
Nov 18 14:27:19.478 INFO [stderr]    5:     0x564256d452b7 - std::panicking::begin_panic::h5494ab678b20843b
Nov 18 14:27:19.478 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:410
Nov 18 14:27:19.478 INFO [stderr]    6:     0x564256ce5ff4 - <ffi_helpers::task::tests::PanicTask as ffi_helpers::task::Task>::run::h1f17ae8afb577537
Nov 18 14:27:19.481 INFO [stdout] test task::tests::task_can_catch_panic_messages ... ok
Nov 18 14:27:19.481 INFO [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok
Nov 18 14:27:19.482 INFO [stderr]                                at src/task.rs:542
Nov 18 14:27:19.482 INFO [stderr]    7:     0x564256ccedbc - <ffi_helpers::task::TaskHandle<T>>::spawn::{{closure}}::{{closure}}::h588e597d45d3aa96
Nov 18 14:27:19.482 INFO [stderr]                                at src/task.rs:383
Nov 18 14:27:19.482 INFO [stderr]    8:     0x564256cd6315 - std::panicking::try::do_call::h6f85739f9a195eba
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:310
Nov 18 14:27:19.482 INFO [stderr]    9:     0x564256d7e229 - __rust_maybe_catch_panic
Nov 18 14:27:19.482 INFO [stderr]                                at libpanic_unwind/lib.rs:102
Nov 18 14:27:19.482 INFO [stderr]   10:     0x564256cd6000 - std::panicking::try::hc26609fc314f407d
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:289
Nov 18 14:27:19.482 INFO [stderr]   11:     0x564256cca08a - std::panic::catch_unwind::haa493792128da2ee
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:398
Nov 18 14:27:19.482 INFO [stderr]   12:     0x564256ccc0ba - ffi_helpers::panic::catch_panic::h5c62563542a17424
Nov 18 14:27:19.482 INFO [stderr]                                at src/panic.rs:42
Nov 18 14:27:19.482 INFO [stderr]   13:     0x564256ccf0b3 - <ffi_helpers::task::TaskHandle<T>>::spawn::{{closure}}::hfd1971519fbc8308
Nov 18 14:27:19.482 INFO [stderr]                                at src/task.rs:383
Nov 18 14:27:19.482 INFO [stderr]   14:     0x564256cd5bc7 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3b1a8b6a84adac8c
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/sys_common/backtrace.rs:136
Nov 18 14:27:19.482 INFO [stderr]   15:     0x564256ceede4 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he9006733886149a0
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:477
Nov 18 14:27:19.482 INFO [stderr]   16:     0x564256cc9f97 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa3237cb3b5bf661
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:319
Nov 18 14:27:19.482 INFO [stderr]   17:     0x564256cd627f - std::panicking::try::do_call::h3638be24c21f8b00
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:310
Nov 18 14:27:19.482 INFO [stderr]   18:     0x564256d7e229 - __rust_maybe_catch_panic
Nov 18 14:27:19.482 INFO [stderr]                                at libpanic_unwind/lib.rs:102
Nov 18 14:27:19.482 INFO [stderr]   19:     0x564256cd611f - std::panicking::try::he29b425fc8d9c2b6
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:289
Nov 18 14:27:19.482 INFO [stderr]   20:     0x564256cca057 - std::panic::catch_unwind::h90076a3775e5a772
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:398
Nov 18 14:27:19.482 INFO [stderr]   21:     0x564256ceebc8 - std::thread::Builder::spawn_unchecked::{{closure}}::hfba1ad10073a7b6d
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:476
Nov 18 14:27:19.482 INFO [stderr]   22:     0x564256cef67f - <F as alloc::boxed::FnBox<A>>::call_box::h1aff771dc1953ec2
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:673
Nov 18 14:27:19.482 INFO [stderr]   23:     0x564256d720cd - std::sys::unix::thread::Thread::new::thread_start::h8526625243d2f13b
Nov 18 14:27:19.482 INFO [stderr]                                at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:683
Nov 18 14:27:19.482 INFO [stderr]                                at libstd/sys_common/thread.rs:24
Nov 18 14:27:19.482 INFO [stderr]                                at libstd/sys/unix/thread.rs:90
Nov 18 14:27:19.482 INFO [stderr]   24:     0x7f32fec736b9 - start_thread
Nov 18 14:27:19.482 INFO [stderr]   25:     0x7f32fe79341c - clone
Nov 18 14:27:19.482 INFO [stderr]   26:                0x0 - <unknown>
Nov 18 14:27:19.558 INFO [stdout] test task::tests::spawn_a_task ... ok
Nov 18 14:27:19.558 INFO [stdout] 
Nov 18 14:27:19.559 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:27:19.559 INFO [stdout] 
Nov 18 14:27:19.563 INFO [stderr]    Doc-tests ffi_helpers
Nov 18 14:27:21.205 INFO [stdout] 
Nov 18 14:27:21.205 INFO [stdout] running 5 tests
Nov 18 14:27:25.803 INFO [stdout] test src/nullable.rs - null_pointer_check (line 73) ... ok
Nov 18 14:27:26.819 INFO [stdout] test src/error_handling.rs - error_handling (line 27) ... ok
Nov 18 14:27:26.895 INFO [stdout] test src/nullable.rs - null_pointer_check (line 119) ... ok
Nov 18 14:27:26.895 INFO [stdout] test src/nullable.rs - null_pointer_check (line 95) ... ok
Nov 18 14:27:26.897 INFO [stdout] test src/task.rs - task (line 37) ... ok
Nov 18 14:27:26.897 INFO [stdout] 
Nov 18 14:27:26.897 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:27:26.897 INFO [stdout] 
Nov 18 14:27:26.913 INFO [stderr] su: No module specific data is present
Nov 18 14:27:27.208 INFO running `"docker" "inspect" "7e4b120ace3622565421f6e45316caf2611e4e169055911563854e417657e6e1"`
Nov 18 14:27:27.312 INFO running `"docker" "rm" "-f" "7e4b120ace3622565421f6e45316caf2611e4e169055911563854e417657e6e1"`
Nov 18 14:27:27.406 INFO [stdout] 7e4b120ace3622565421f6e45316caf2611e4e169055911563854e417657e6e1