[INFO] crate ffi_wrapper_nounwind 0.1.1 is already in cache [INFO] testing ffi_wrapper_nounwind-0.1.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate ffi_wrapper_nounwind 0.1.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate ffi_wrapper_nounwind 0.1.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 24023458fcfe4116fea1b4c59c7a311da71ac363095b41853101c2942e5acae6 [INFO] running `"docker" "start" "-a" "24023458fcfe4116fea1b4c59c7a311da71ac363095b41853101c2942e5acae6"` [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 12.80s [INFO] running `"docker" "inspect" "24023458fcfe4116fea1b4c59c7a311da71ac363095b41853101c2942e5acae6"` [INFO] running `"docker" "rm" "-f" "24023458fcfe4116fea1b4c59c7a311da71ac363095b41853101c2942e5acae6"` [INFO] [stdout] 24023458fcfe4116fea1b4c59c7a311da71ac363095b41853101c2942e5acae6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5d228564563f2af18bbf4eedd64a12e46c9a841611360d3671312ab0c0ade4a5 [INFO] running `"docker" "start" "-a" "5d228564563f2af18bbf4eedd64a12e46c9a841611360d3671312ab0c0ade4a5"` [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 4.00s [INFO] running `"docker" "inspect" "5d228564563f2af18bbf4eedd64a12e46c9a841611360d3671312ab0c0ade4a5"` [INFO] running `"docker" "rm" "-f" "5d228564563f2af18bbf4eedd64a12e46c9a841611360d3671312ab0c0ade4a5"` [INFO] [stdout] 5d228564563f2af18bbf4eedd64a12e46c9a841611360d3671312ab0c0ade4a5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 1a7bf8d5ae58fc0aa29df455774edebb13db1535c64d1f4c6cc68d4957780191 [INFO] running `"docker" "start" "-a" "1a7bf8d5ae58fc0aa29df455774edebb13db1535c64d1f4c6cc68d4957780191"` [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::c_types_test ... ok [INFO] [stdout] test tests::cxx_wrapper_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: 0x55e5d284c364 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55e5d284c364 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55e5d284c364 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55e5d284c364 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55e5d287731c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55e5d27ad7c5 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55e5d2846961 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55e5d284ee95 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55e5d284ee95 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55e5d284ee95 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55e5d284eb7b - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55e5d284f5c5 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x55e5d284f0db - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55e5d284f04b - std::panicking::begin_panic_fmt::h2fa40d03719daab1 [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 14: 0x55e5d261c72b - ffi_wrapper_nounwind::tests::rust_wrapper_test::h6f8f4e52c5fa1d01 [INFO] [stdout] at src/lib.rs:463 [INFO] [stdout] 15: 0x55e5d261c4ba - ffi_wrapper_nounwind::tests::rust_wrapper_test::{{closure}}::h9a23ec1066ae8564 [INFO] [stdout] at src/lib.rs:457 [INFO] [stdout] 16: 0x55e5d2613cee - core::ops::function::FnOnce::call_once::h11f2a13d47eedafe [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x55e5d27b96bf - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 18: 0x55e5d27d4cbe - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55e5d27d4cbe - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55e5d27d4cbe - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55e5d27d4cbe - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55e5d27d4cbe - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55e5d27d4cbe - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55e5d27acc76 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55e5d27b2005 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55e5d27b2005 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55e5d27b2005 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 28: 0x55e5d27b2005 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x55e5d27b2005 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55e5d27b2005 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55e5d27b2005 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x55e5d2842adf - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55e5d2855dd3 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x55e5d2855dd3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7f9eb01816db - start_thread [INFO] [stdout] 36: 0x7f9eafc9288f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [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] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "1a7bf8d5ae58fc0aa29df455774edebb13db1535c64d1f4c6cc68d4957780191"` [INFO] running `"docker" "rm" "-f" "1a7bf8d5ae58fc0aa29df455774edebb13db1535c64d1f4c6cc68d4957780191"` [INFO] [stdout] 1a7bf8d5ae58fc0aa29df455774edebb13db1535c64d1f4c6cc68d4957780191