[INFO] fetching crate ffi_helpers 0.1.0... [INFO] extracting crate ffi_helpers 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ffi_helpers/0.1.0 [INFO] extracting crate ffi_helpers 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ffi_helpers/0.1.0 [INFO] validating manifest of ffi_helpers-0.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ffi_helpers-0.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ffi_helpers/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ffi_helpers-0.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] a1b388d7e036aeed62af0ee2bd06f13ffca7b27ee54fda2748bf03b73fa36eea [INFO] running `"docker" "start" "-a" "a1b388d7e036aeed62af0ee2bd06f13ffca7b27ee54fda2748bf03b73fa36eea"` [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 1.49s [INFO] running `"docker" "inspect" "a1b388d7e036aeed62af0ee2bd06f13ffca7b27ee54fda2748bf03b73fa36eea"` [INFO] running `"docker" "rm" "-f" "a1b388d7e036aeed62af0ee2bd06f13ffca7b27ee54fda2748bf03b73fa36eea"` [INFO] [stdout] a1b388d7e036aeed62af0ee2bd06f13ffca7b27ee54fda2748bf03b73fa36eea [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 619eccb1aba7d6af88b9354eadf6969153908d7dba3ebf6f42d636432c26cec5 [INFO] running `"docker" "start" "-a" "619eccb1aba7d6af88b9354eadf6969153908d7dba3ebf6f42d636432c26cec5"` [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 2.89s [INFO] running `"docker" "inspect" "619eccb1aba7d6af88b9354eadf6969153908d7dba3ebf6f42d636432c26cec5"` [INFO] running `"docker" "rm" "-f" "619eccb1aba7d6af88b9354eadf6969153908d7dba3ebf6f42d636432c26cec5"` [INFO] [stdout] 619eccb1aba7d6af88b9354eadf6969153908d7dba3ebf6f42d636432c26cec5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 7dab349c755bc4853311b200ecda0910c0a3dce9134204f28d14aef2eb71c193 [INFO] running `"docker" "start" "-a" "7dab349c755bc4853311b200ecda0910c0a3dce9134204f28d14aef2eb71c193"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/ffi_helpers-1feadba04c2b563e [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... 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 error_handling::tests::update_the_error ... ok [INFO] [stdout] test task::tests::use_the_c_api ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:542:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e5d1ac336b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55e5d1ac336b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e5d1ac336b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55e5d1ac336b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55e5d1ac336b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55e5d1ac306c - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55e5d1ac3ae0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55e5d1a84538 - std::panicking::begin_panic::hd4962eb8f0a130ee [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x55e5d1a30c25 - ::run::h2dbff1677fb23fd0 [INFO] [stderr] at src/task.rs:542 [INFO] [stderr] 9: 0x55e5d1a19a6d - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::hac0d78c9606f42a4 [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 10: 0x55e5d1a09276 - std::panicking::try::do_call::hae5c70e3b983f479 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stderr] 11: 0x55e5d1ac66fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 12: 0x55e5d1a08924 - std::panicking::try::h0fbb2ede4ff04dc9 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stderr] 13: 0x55e5d1a0af5b - std::panic::catch_unwind::hd7676daffc7bcf40 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stderr] 14: 0x55e5d1a0bf9b - ffi_helpers::panic::catch_panic::hb3daa38f601b8ba8 [INFO] [stderr] at src/panic.rs:42 [INFO] [stderr] 15: 0x55e5d1a19c54 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h813f5910dd8d169f [INFO] [stderr] at src/task.rs:383 [INFO] [stderr] 16: 0x55e5d1a1a6a8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h71dda9f5d2405079 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 17: 0x55e5d1a33565 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h394ac771963475cc [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stderr] 18: 0x55e5d1a0a478 - as core::ops::function::FnOnce<()>>::call_once::hefcd49848e353ae7 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stderr] 19: 0x55e5d1a091e0 - std::panicking::try::do_call::h276c2ac0f487a8fd [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stderr] 20: 0x55e5d1ac66fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 21: 0x55e5d1a08c80 - std::panicking::try::h8e5006caef473fd3 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stderr] 22: 0x55e5d1a0aef8 - std::panic::catch_unwind::h5e1519ef4c4b095f [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stderr] 23: 0x55e5d1a33342 - std::thread::Builder::spawn_unchecked::{{closure}}::hf05fd84fd5eb4e13 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stderr] 24: 0x55e5d1a1aee3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4a3025e5cb051783 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stderr] 25: 0x55e5d1ab91cf - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 26: 0x55e5d1ac5e40 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 27: 0x55e5d1ac5e40 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 28: 0x55e5d1ac5e40 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 29: 0x7fa2475864a4 - start_thread [INFO] [stderr] 30: 0x7fa2470b1d0f - __clone [INFO] [stderr] 31: 0x0 - [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... 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 73) ... ok [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/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" "7dab349c755bc4853311b200ecda0910c0a3dce9134204f28d14aef2eb71c193"` [INFO] running `"docker" "rm" "-f" "7dab349c755bc4853311b200ecda0910c0a3dce9134204f28d14aef2eb71c193"` [INFO] [stdout] 7dab349c755bc4853311b200ecda0910c0a3dce9134204f28d14aef2eb71c193