[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 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 7d6fa20673a917b4811b95736b0b2134b4487cc11ee27c3c499152c9c4f676f8 [INFO] running `"docker" "start" "-a" "7d6fa20673a917b4811b95736b0b2134b4487cc11ee27c3c499152c9c4f676f8"` [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] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "7d6fa20673a917b4811b95736b0b2134b4487cc11ee27c3c499152c9c4f676f8"` [INFO] running `"docker" "rm" "-f" "7d6fa20673a917b4811b95736b0b2134b4487cc11ee27c3c499152c9c4f676f8"` [INFO] [stdout] 7d6fa20673a917b4811b95736b0b2134b4487cc11ee27c3c499152c9c4f676f8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5163a8049745213a422454e85e9e65b6a150c45e3fd4f3c8526dd8d2ed5f70e2 [INFO] running `"docker" "start" "-a" "5163a8049745213a422454e85e9e65b6a150c45e3fd4f3c8526dd8d2ed5f70e2"` [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] Finished dev [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `"docker" "inspect" "5163a8049745213a422454e85e9e65b6a150c45e3fd4f3c8526dd8d2ed5f70e2"` [INFO] running `"docker" "rm" "-f" "5163a8049745213a422454e85e9e65b6a150c45e3fd4f3c8526dd8d2ed5f70e2"` [INFO] [stdout] 5163a8049745213a422454e85e9e65b6a150c45e3fd4f3c8526dd8d2ed5f70e2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] be2625b5c6cb75cecc5f10d33aeb1504252f28b9d7d0a87d2edb91792c07de01 [INFO] running `"docker" "start" "-a" "be2625b5c6cb75cecc5f10d33aeb1504252f28b9d7d0a87d2edb91792c07de01"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ffi_helpers-4da1629ca7e906a3 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:542:13 [INFO] [stdout] test task::tests::use_the_c_api ... 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 error_handling::tests::take_the_last_error ... ok [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a15238b903 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55a1523871eb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55a15238a5f6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55a15238a389 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55a15238acff - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55a15234b177 - std::panicking::begin_panic::h594b9f46fdea2e9b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55a1522f4aa4 - ::run::h9aa64fd5c8fd385c [INFO] [stderr] at src/task.rs:542 [INFO] [stderr] 7: 0x55a1522dabbc - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::h79ff38bf8b451a51 [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 8: 0x55a1522fd295 - std::panicking::try::do_call::h4dad1afeae8f17b0 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 9: 0x55a15238daa9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x55a1522fcf53 - std::panicking::try::h879d7a48fbe81570 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 11: 0x55a1522f5fea - std::panic::catch_unwind::ha8906391a2fd1326 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 12: 0x55a1522d9efa - ffi_helpers::panic::catch_panic::h27890443c63f3949 [INFO] [stderr] at src/panic.rs:42 [INFO] [stderr] 13: 0x55a1522dad43 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h3a300ff58c848c66 [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 14: 0x55a1522db957 - std::sys_common::backtrace::__rust_begin_short_backtrace::h9a311f3a8e1071fb [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 15: 0x55a1522f74c4 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha4e30999c6f6fe94 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 16: 0x55a1522f5eb7 - as core::ops::function::FnOnce<()>>::call_once::h5979503e93e4a0ea [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 17: 0x55a1522fd3cf - std::panicking::try::do_call::ha3049fc489c2cc0d [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 18: 0x55a15238daa9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 19: 0x55a1522fcdaf - std::panicking::try::h80179090dbf6edcb [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 20: 0x55a1522f5f17 - std::panic::catch_unwind::h281d1e7028b20a59 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55a1522f6fd1 - std::thread::Builder::spawn_unchecked::{{closure}}::h76bf8495caf59bfa [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 22: 0x55a1522dd302 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h59c7fd1f2a9afe53 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 23: 0x55a15237edde - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 24: 0x55a15238d18f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 25: 0x7f7201b8a4a3 - start_thread [INFO] [stderr] 26: 0x7f72016b5d0e - __clone [INFO] [stderr] 27: 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 119) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 73) ... 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" "be2625b5c6cb75cecc5f10d33aeb1504252f28b9d7d0a87d2edb91792c07de01"` [INFO] running `"docker" "rm" "-f" "be2625b5c6cb75cecc5f10d33aeb1504252f28b9d7d0a87d2edb91792c07de01"` [INFO] [stdout] be2625b5c6cb75cecc5f10d33aeb1504252f28b9d7d0a87d2edb91792c07de01