Dec 15 15:03:58.865 INFO testing ffi_helpers-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 15 15:03:58.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"` Dec 15 15:03:59.406 INFO [stdout] 9ef05383139d876f25d4421dc4ed36ebbe931be79a1b7d6d24422b0bcb0dbb2c Dec 15 15:03:59.408 INFO running `"docker" "start" "-a" "9ef05383139d876f25d4421dc4ed36ebbe931be79a1b7d6d24422b0bcb0dbb2c"` Dec 15 15:04:01.573 INFO [stderr] usermod: no changes Dec 15 15:04:01.703 INFO [stderr] Compiling ffi_helpers v0.1.0 (/source) Dec 15 15:04:01.855 INFO [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer an warning, #[no_mangle] functions always exported` Dec 15 15:04:01.855 INFO [stderr] --> src/task.rs:440:9 Dec 15 15:04:01.855 INFO [stderr] | Dec 15 15:04:01.855 INFO [stderr] 440 | #[allow(private_no_mangle_fns)] Dec 15 15:04:01.855 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 15 15:04:01.855 INFO [stderr] | Dec 15 15:04:01.855 INFO [stderr] = note: #[warn(renamed_and_removed_lints)] on by default Dec 15 15:04:01.855 INFO [stderr] Dec 15 15:04:03.969 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.37s Dec 15 15:04:03.974 INFO [stderr] su: No module specific data is present Dec 15 15:04:04.740 INFO running `"docker" "inspect" "9ef05383139d876f25d4421dc4ed36ebbe931be79a1b7d6d24422b0bcb0dbb2c"` Dec 15 15:04:04.877 INFO running `"docker" "rm" "-f" "9ef05383139d876f25d4421dc4ed36ebbe931be79a1b7d6d24422b0bcb0dbb2c"` Dec 15 15:04:04.977 INFO [stdout] 9ef05383139d876f25d4421dc4ed36ebbe931be79a1b7d6d24422b0bcb0dbb2c Dec 15 15:04:04.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"` Dec 15 15:04:05.227 INFO [stdout] 9d022185dc354d2ceaf1d622b6674bbac42bf987007bfa08d7248aa2fd0810ca Dec 15 15:04:05.230 INFO running `"docker" "start" "-a" "9d022185dc354d2ceaf1d622b6674bbac42bf987007bfa08d7248aa2fd0810ca"` Dec 15 15:04:05.769 INFO [stderr] usermod: no changes Dec 15 15:04:05.827 INFO [stderr] Compiling ffi_helpers v0.1.0 (/source) Dec 15 15:04:05.879 INFO [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer an warning, #[no_mangle] functions always exported` Dec 15 15:04:05.879 INFO [stderr] --> src/task.rs:440:9 Dec 15 15:04:05.879 INFO [stderr] | Dec 15 15:04:05.879 INFO [stderr] 440 | #[allow(private_no_mangle_fns)] Dec 15 15:04:05.879 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 15 15:04:05.879 INFO [stderr] | Dec 15 15:04:05.879 INFO [stderr] = note: #[warn(renamed_and_removed_lints)] on by default Dec 15 15:04:05.879 INFO [stderr] Dec 15 15:04:08.199 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s Dec 15 15:04:08.206 INFO [stderr] su: No module specific data is present Dec 15 15:04:09.119 INFO running `"docker" "inspect" "9d022185dc354d2ceaf1d622b6674bbac42bf987007bfa08d7248aa2fd0810ca"` Dec 15 15:04:09.431 INFO running `"docker" "rm" "-f" "9d022185dc354d2ceaf1d622b6674bbac42bf987007bfa08d7248aa2fd0810ca"` Dec 15 15:04:09.811 INFO [stdout] 9d022185dc354d2ceaf1d622b6674bbac42bf987007bfa08d7248aa2fd0810ca Dec 15 15:04:09.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"` Dec 15 15:04:10.296 INFO [stdout] ec5fe2ec884be302a2b639b442160eff7687cb52c75bb33a67afa0aa06a20e4f Dec 15 15:04:10.298 INFO running `"docker" "start" "-a" "ec5fe2ec884be302a2b639b442160eff7687cb52c75bb33a67afa0aa06a20e4f"` Dec 15 15:04:11.737 INFO [stderr] usermod: no changes Dec 15 15:04:11.807 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s Dec 15 15:04:11.829 INFO [stderr] Running /target/debug/deps/ffi_helpers-02b45eade972c789 Dec 15 15:04:11.831 INFO [stdout] Dec 15 15:04:11.831 INFO [stdout] running 11 tests Dec 15 15:04:11.831 INFO [stdout] test nullable::tests::can_detect_null_pointers ... ok Dec 15 15:04:11.851 INFO [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok Dec 15 15:04:11.851 INFO [stdout] test nullable::tests::can_detect_non_null_pointers ... ok Dec 15 15:04:11.851 INFO [stdout] test error_handling::tests::take_the_last_error ... ok Dec 15 15:04:11.883 INFO [stdout] test task::tests::use_the_c_api ... ok Dec 15 15:04:11.883 INFO [stderr] thread '' panicked at 'Oops', src/task.rs:542:13 Dec 15 15:04:11.911 INFO [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok Dec 15 15:04:11.911 INFO [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok Dec 15 15:04:11.919 INFO [stdout] test error_handling::tests::update_the_error ... ok Dec 15 15:04:12.002 INFO [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok Dec 15 15:04:12.002 INFO [stdout] test task::tests::task_can_catch_panic_messages ... ok Dec 15 15:04:12.002 INFO [stderr] stack backtrace: Dec 15 15:04:12.002 INFO [stderr] 0: 0x55a05c87ff03 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90 Dec 15 15:04:12.002 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 15 15:04:12.002 INFO [stderr] 1: 0x55a05c87a648 - std::sys_common::backtrace::_print::h919420b22c2473e3 Dec 15 15:04:12.002 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 15 15:04:12.002 INFO [stderr] 2: 0x55a05c87ee22 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5 Dec 15 15:04:12.002 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 15 15:04:12.002 INFO [stderr] at src/libstd/panicking.rs:210 Dec 15 15:04:12.002 INFO [stderr] 3: 0x55a05c87eb94 - std::panicking::default_hook::h1134a4d34aab4428 Dec 15 15:04:12.003 INFO [stderr] at src/libstd/panicking.rs:224 Dec 15 15:04:12.003 INFO [stderr] 4: 0x55a05c87f530 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42 Dec 15 15:04:12.003 INFO [stderr] at src/libstd/panicking.rs:487 Dec 15 15:04:12.003 INFO [stderr] 5: 0x55a05c84d917 - std::panicking::begin_panic::he40780b9174d82bd Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:421 Dec 15 15:04:12.003 INFO [stderr] 6: 0x55a05c7f51c4 - ::run::hb1eaf82391a61bd9 Dec 15 15:04:12.003 INFO [stderr] at src/task.rs:542 Dec 15 15:04:12.003 INFO [stderr] 7: 0x55a05c7dcbcc - >::spawn::{{closure}}::{{closure}}::h00853c1ed1ef618c Dec 15 15:04:12.003 INFO [stderr] at src/task.rs:383 Dec 15 15:04:12.003 INFO [stderr] 8: 0x55a05c7e7ae5 - std::panicking::try::do_call::h22cdab3c7c4f12a1 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306 Dec 15 15:04:12.003 INFO [stderr] 9: 0x55a05c88db89 - __rust_maybe_catch_panic Dec 15 15:04:12.003 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 15 15:04:12.003 INFO [stderr] 10: 0x55a05c7e75a0 - std::panicking::try::h4f521af2de59ab1e Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285 Dec 15 15:04:12.003 INFO [stderr] 11: 0x55a05c7da7aa - std::panic::catch_unwind::h8271d035bebe506d Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398 Dec 15 15:04:12.003 INFO [stderr] 12: 0x55a05c7dbf5a - ffi_helpers::panic::catch_panic::hab47a180780246f6 Dec 15 15:04:12.003 INFO [stderr] at src/panic.rs:42 Dec 15 15:04:12.003 INFO [stderr] 13: 0x55a05c7dcf03 - >::spawn::{{closure}}::hc9b49836e632f32c Dec 15 15:04:12.003 INFO [stderr] at src/task.rs:383 Dec 15 15:04:12.003 INFO [stderr] 14: 0x55a05c7e8587 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc6e50d32a5d855a2 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/sys_common/backtrace.rs:136 Dec 15 15:04:12.003 INFO [stderr] 15: 0x55a05c7fbc24 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h69c23294f0e09bc0 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:479 Dec 15 15:04:12.003 INFO [stderr] 16: 0x55a05c7da617 - as core::ops::function::FnOnce<()>>::call_once::h684cf73e788d87e7 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319 Dec 15 15:04:12.003 INFO [stderr] 17: 0x55a05c7e7c1f - std::panicking::try::do_call::hf5479cd867d78b8f Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306 Dec 15 15:04:12.003 INFO [stderr] 18: 0x55a05c88db89 - __rust_maybe_catch_panic Dec 15 15:04:12.003 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 15 15:04:12.003 INFO [stderr] 19: 0x55a05c7e7a0f - std::panicking::try::hb7995eabc52ea848 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285 Dec 15 15:04:12.003 INFO [stderr] 20: 0x55a05c7da747 - std::panic::catch_unwind::h2b8a953f7b9d87c9 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398 Dec 15 15:04:12.003 INFO [stderr] 21: 0x55a05c7fba31 - std::thread::Builder::spawn_unchecked::{{closure}}::hc9e9d5529608c624 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:478 Dec 15 15:04:12.003 INFO [stderr] 22: 0x55a05c7fc3ef - >::call_box::h65eb397fcb55fd10 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673 Dec 15 15:04:12.003 INFO [stderr] 23: 0x55a05c881b4d - std::sys::unix::thread::Thread::new::thread_start::h08aa646226e66c99 Dec 15 15:04:12.003 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:683 Dec 15 15:04:12.003 INFO [stderr] at src/libstd/sys_common/thread.rs:24 Dec 15 15:04:12.003 INFO [stderr] at src/libstd/sys/unix/thread.rs:91 Dec 15 15:04:12.003 INFO [stderr] 24: 0x7f6dc3b6d6b9 - start_thread Dec 15 15:04:12.003 INFO [stderr] 25: 0x7f6dc368d41c - clone Dec 15 15:04:12.003 INFO [stderr] 26: 0x0 - Dec 15 15:04:12.039 INFO [stderr] Doc-tests ffi_helpers Dec 15 15:04:12.039 INFO [stdout] test task::tests::spawn_a_task ... ok Dec 15 15:04:12.039 INFO [stdout] Dec 15 15:04:12.039 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 15 15:04:12.039 INFO [stdout] Dec 15 15:04:14.163 INFO [stdout] Dec 15 15:04:14.163 INFO [stdout] running 5 tests Dec 15 15:04:16.687 INFO [stdout] test src/nullable.rs - null_pointer_check (line 119) ... ok Dec 15 15:04:16.878 INFO [stdout] test src/nullable.rs - null_pointer_check (line 73) ... ok Dec 15 15:04:17.391 INFO [stdout] test src/nullable.rs - null_pointer_check (line 95) ... ok Dec 15 15:04:18.660 INFO [stdout] test src/task.rs - task (line 37) ... ok Dec 15 15:04:18.679 INFO [stdout] test src/error_handling.rs - error_handling (line 27) ... ok Dec 15 15:04:18.679 INFO [stdout] Dec 15 15:04:18.679 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 15 15:04:18.679 INFO [stdout] Dec 15 15:04:18.696 INFO [stderr] su: No module specific data is present Dec 15 15:04:18.979 INFO running `"docker" "inspect" "ec5fe2ec884be302a2b639b442160eff7687cb52c75bb33a67afa0aa06a20e4f"` Dec 15 15:04:19.081 INFO running `"docker" "rm" "-f" "ec5fe2ec884be302a2b639b442160eff7687cb52c75bb33a67afa0aa06a20e4f"` Dec 15 15:04:19.211 INFO [stdout] ec5fe2ec884be302a2b639b442160eff7687cb52c75bb33a67afa0aa06a20e4f