[INFO] crate ffi_wrapper_nounwind 0.1.1 is already in cache [INFO] testing ffi_wrapper_nounwind-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate ffi_wrapper_nounwind 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ffi_wrapper_nounwind 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ffi_wrapper_nounwind 0.1.1 [INFO] finished tweaking crates.io crate ffi_wrapper_nounwind 0.1.1 [INFO] tweaked toml for crates.io crate ffi_wrapper_nounwind 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6b8de771dd8708e3821ed0a8c0fcbc21f9d4896fd688be5b4bdf0f7fbe907271 [INFO] running `"docker" "start" "-a" "6b8de771dd8708e3821ed0a8c0fcbc21f9d4896fd688be5b4bdf0f7fbe907271"` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ffi_wrapper_nounwind v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Ident` [INFO] [stderr] --> src/lib.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | Ident { id: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ptr` [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | Ptr { const_: bool, ty: Box }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.51s [INFO] running `"docker" "inspect" "6b8de771dd8708e3821ed0a8c0fcbc21f9d4896fd688be5b4bdf0f7fbe907271"` [INFO] running `"docker" "rm" "-f" "6b8de771dd8708e3821ed0a8c0fcbc21f9d4896fd688be5b4bdf0f7fbe907271"` [INFO] [stdout] 6b8de771dd8708e3821ed0a8c0fcbc21f9d4896fd688be5b4bdf0f7fbe907271 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 54d258b5f0b39a9e50d1be0bd176843708fb4919ae94a3be40a6afa773772802 [INFO] running `"docker" "start" "-a" "54d258b5f0b39a9e50d1be0bd176843708fb4919ae94a3be40a6afa773772802"` [INFO] [stderr] Compiling ffi_wrapper_nounwind v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Ident` [INFO] [stderr] --> src/lib.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | Ident { id: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ptr` [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | Ptr { const_: bool, ty: Box }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ident` [INFO] [stderr] --> src/lib.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | Ident { id: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ptr` [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | Ptr { const_: bool, ty: Box }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.31s [INFO] running `"docker" "inspect" "54d258b5f0b39a9e50d1be0bd176843708fb4919ae94a3be40a6afa773772802"` [INFO] running `"docker" "rm" "-f" "54d258b5f0b39a9e50d1be0bd176843708fb4919ae94a3be40a6afa773772802"` [INFO] [stdout] 54d258b5f0b39a9e50d1be0bd176843708fb4919ae94a3be40a6afa773772802 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0e18b938ff68ca206b274f1011981ac7a98d8c3f35eff33f52fd9675c59cb922 [INFO] running `"docker" "start" "-a" "0e18b938ff68ca206b274f1011981ac7a98d8c3f35eff33f52fd9675c59cb922"` [INFO] [stderr] warning: variant is never constructed: `Ident` [INFO] [stderr] --> src/lib.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | Ident { id: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ptr` [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | Ptr { const_: bool, ty: Box }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ident` [INFO] [stderr] --> src/lib.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | Ident { id: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ptr` [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | Ptr { const_: bool, ty: Box }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffi_wrapper_nounwind-dd53c296bab7b77c [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::cxx_wrapper_test ... ok [INFO] [stdout] test tests::c_types_test ... ok [INFO] [stdout] test tests::rust_wrapper_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::rust_wrapper_test stdout ---- [INFO] [stdout] thread 'tests::rust_wrapper_test' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"pub unsafe fn foo < \'a > ( x : & \'a u8 , y : * mut u8 ) -> u32 { extern \"C\" { fn foo_cxx < \'a > ( x : & \'a u8 , y : * mut u8 ) -> WrapperResult < u32 > ; } let result = foo_cxx ( x , y ) ; if result . discriminant == 0 { result . value . value } else { let WrapperError { buf , len , cap } : WrapperError = result . value . error ; panic ! ( String :: from_raw_parts ( buf , len , cap ) ) } }"`, [INFO] [stdout] right: `"pub unsafe fn foo < \'a > ( x : & \'a u8 , y : * mut u8 ) -> -> u32 { extern \"C\" { fn foo_cxx < \'a > ( x : & \'a u8 , y : * mut u8 ) -> -> u32 ; } let result = foo_cxx ( x , y ) ; if result . discriminant == 0 { result . value . value } else { let WrapperError { { buf , len , cap } } : WrapperError = result . value . error ; panic ! ( String :: from_raw_parts ( buf , len , cap ) ) } }"`', src/lib.rs:463:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b4a691d364 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55b4a691d364 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55b4a691d364 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55b4a691d364 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55b4a694831c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55b4a687e7c5 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55b4a6917961 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55b4a691fe95 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55b4a691fe95 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55b4a691fe95 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55b4a691fb7b - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55b4a69205c5 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x55b4a69200db - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55b4a692004b - std::panicking::begin_panic_fmt::hf14ab99546f1bbc1 [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 14: 0x55b4a66ed72b - ffi_wrapper_nounwind::tests::rust_wrapper_test::h6f8f4e52c5fa1d01 [INFO] [stdout] at src/lib.rs:463 [INFO] [stdout] 15: 0x55b4a66ed4ba - ffi_wrapper_nounwind::tests::rust_wrapper_test::{{closure}}::h86c5c228c3223b1d [INFO] [stdout] at src/lib.rs:457 [INFO] [stdout] 16: 0x55b4a66e4d5e - core::ops::function::FnOnce::call_once::h768395a2dc8a36e6 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x55b4a688a6bf - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 18: 0x55b4a68a5cbe - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55b4a68a5cbe - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55b4a68a5cbe - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55b4a68a5cbe - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55b4a68a5cbe - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55b4a68a5cbe - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55b4a687dc76 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55b4a6882f95 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55b4a6882f95 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55b4a6882f95 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 28: 0x55b4a6882f95 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x55b4a6882f95 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55b4a6882f95 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55b4a6882f95 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x55b4a6913adf - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55b4a6926dd3 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x55b4a6926dd3 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7fd0468086db - start_thread [INFO] [stdout] 36: 0x7fd04631988f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::rust_wrapper_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "0e18b938ff68ca206b274f1011981ac7a98d8c3f35eff33f52fd9675c59cb922"` [INFO] running `"docker" "rm" "-f" "0e18b938ff68ca206b274f1011981ac7a98d8c3f35eff33f52fd9675c59cb922"` [INFO] [stdout] 0e18b938ff68ca206b274f1011981ac7a98d8c3f35eff33f52fd9675c59cb922