[INFO] crate ffi_helpers 0.1.0 is already in cache [INFO] extracting crate ffi_helpers 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ffi_helpers/0.1.0 [INFO] extracting crate ffi_helpers 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffi_helpers/0.1.0 [INFO] validating manifest of ffi_helpers-0.1.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ffi_helpers-0.1.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ffi_helpers-0.1.0 [INFO] finished frobbing ffi_helpers-0.1.0 [INFO] frobbed toml for ffi_helpers-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ffi_helpers/0.1.0/Cargo.toml [INFO] started frobbing ffi_helpers-0.1.0 [INFO] finished frobbing ffi_helpers-0.1.0 [INFO] frobbed toml for ffi_helpers-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffi_helpers/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ffi_helpers-0.1.0 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffi_helpers/0.1.0:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 5f5b4f4a9d4ce3a70ffde7190744216f778c6dbc024feba1a73f5f9cef500c9e [INFO] running `"docker" "start" "-a" "5f5b4f4a9d4ce3a70ffde7190744216f778c6dbc024feba1a73f5f9cef500c9e"` [INFO] [stderr] Compiling ffi_helpers v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported` [INFO] [stderr] --> src/task.rs:440:9 [INFO] [stderr] | [INFO] [stderr] 440 | #[allow(private_no_mangle_fns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(renamed_and_removed_lints)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/panic.rs:81:37 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn recover_panic_message(e: Box) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "5f5b4f4a9d4ce3a70ffde7190744216f778c6dbc024feba1a73f5f9cef500c9e"` [INFO] running `"docker" "rm" "-f" "5f5b4f4a9d4ce3a70ffde7190744216f778c6dbc024feba1a73f5f9cef500c9e"` [INFO] [stdout] 5f5b4f4a9d4ce3a70ffde7190744216f778c6dbc024feba1a73f5f9cef500c9e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffi_helpers/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 7b252b1c1221baac487f094e4c329ca3966c638b24b58c11299a676af24cbd21 [INFO] running `"docker" "start" "-a" "7b252b1c1221baac487f094e4c329ca3966c638b24b58c11299a676af24cbd21"` [INFO] [stderr] Compiling ffi_helpers v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported` [INFO] [stderr] --> src/task.rs:440:9 [INFO] [stderr] | [INFO] [stderr] 440 | #[allow(private_no_mangle_fns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(renamed_and_removed_lints)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/panic.rs:81:37 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn recover_panic_message(e: Box) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `"docker" "inspect" "7b252b1c1221baac487f094e4c329ca3966c638b24b58c11299a676af24cbd21"` [INFO] running `"docker" "rm" "-f" "7b252b1c1221baac487f094e4c329ca3966c638b24b58c11299a676af24cbd21"` [INFO] [stdout] 7b252b1c1221baac487f094e4c329ca3966c638b24b58c11299a676af24cbd21 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffi_helpers/0.1.0:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] b0afc2ce0340a5d479da222521122948d8e0b75a9624f4617c7fea9c11e4e3cc [INFO] running `"docker" "start" "-a" "b0afc2ce0340a5d479da222521122948d8e0b75a9624f4617c7fea9c11e4e3cc"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/ffi_helpers-74e745cd83d260dd [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:542:13 [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stdout] test error_handling::tests::update_the_error ... ok [INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok [INFO] [stdout] test task::tests::use_the_c_api ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ab240ab15b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ab240ab15b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ab240ab15b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ab240ab15b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ab240ab15b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55ab240aae37 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55ab240ab8d0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55ab2406e368 - std::panicking::begin_panic::h205a0993e76ddf76 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55ab2401afb5 - ::run::h4f7f35a3759eaf47 [INFO] [stderr] at src/task.rs:542 [INFO] [stderr] 9: 0x55ab23ff868d - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::h0543fc01416996b8 [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 10: 0x55ab2401f496 - std::panicking::try::do_call::hb46e649188d7ff2f [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 11: 0x55ab240adeca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 12: 0x55ab2401f1d4 - std::panicking::try::hbc95bf5e8aa38802 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 13: 0x55ab2400039b - std::panic::catch_unwind::h74a4f8c1119e374b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 14: 0x55ab2400475b - ffi_helpers::panic::catch_panic::h797f1d1bde400070 [INFO] [stderr] at src/panic.rs:42 [INFO] [stderr] 15: 0x55ab23ff8874 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h791d92157ea01ecc [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 16: 0x55ab240000f8 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6bb3084a5bc8f61 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 17: 0x55ab2401d8a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd99f52495ae41ded [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 18: 0x55ab23fffd58 - as core::ops::function::FnOnce<()>>::call_once::h19a7aa7df5df933b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 19: 0x55ab2401f3e0 - std::panicking::try::do_call::h462923d3f30d7a11 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x55ab240adeca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 21: 0x55ab2401ee50 - std::panicking::try::h677b6dc18fe9d47d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x55ab240003d8 - std::panic::catch_unwind::hb99ffde72e8d40cf [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55ab2401d682 - std::thread::Builder::spawn_unchecked::{{closure}}::hbf7b1fe7293ae453 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 24: 0x55ab24005f73 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7f8f94da2134d5dc [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 25: 0x55ab240a0d3f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 26: 0x55ab240ad620 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 27: 0x55ab240ad620 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 28: 0x55ab240ad620 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 29: 0x7f0cf28364a4 - start_thread [INFO] [stderr] 30: 0x7f0cf2361d0f - __clone [INFO] [stderr] 31: 0x0 - [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stdout] test task::tests::spawn_a_task ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests ffi_helpers [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 95) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 73) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 119) ... ok [INFO] [stdout] test src/error_handling.rs - error_handling (line 27) ... ok [INFO] [stdout] test src/task.rs - task (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b0afc2ce0340a5d479da222521122948d8e0b75a9624f4617c7fea9c11e4e3cc"` [INFO] running `"docker" "rm" "-f" "b0afc2ce0340a5d479da222521122948d8e0b75a9624f4617c7fea9c11e4e3cc"` [INFO] [stdout] b0afc2ce0340a5d479da222521122948d8e0b75a9624f4617c7fea9c11e4e3cc