[INFO] crate ffi_helpers 0.2.0 is already in cache [INFO] testing ffi_helpers-0.2.0 against 1.45.2 for beta-1.46-1 [INFO] extracting crate ffi_helpers 0.2.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ffi_helpers 0.2.0 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ffi_helpers 0.2.0 [INFO] finished tweaking crates.io crate ffi_helpers 0.2.0 [INFO] tweaked toml for crates.io crate ffi_helpers 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9505a49e801cc5c29aa0af4fd24c34b92cc535601a003ce409b73f9c31b9a99e [INFO] running `Command { std: "docker" "start" "-a" "9505a49e801cc5c29aa0af4fd24c34b92cc535601a003ce409b73f9c31b9a99e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9505a49e801cc5c29aa0af4fd24c34b92cc535601a003ce409b73f9c31b9a99e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9505a49e801cc5c29aa0af4fd24c34b92cc535601a003ce409b73f9c31b9a99e", kill_on_drop: false }` [INFO] [stdout] 9505a49e801cc5c29aa0af4fd24c34b92cc535601a003ce409b73f9c31b9a99e [INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cb157e3ea52f60f4092ee864387613d008b6eb4bc1cbcc206e15778d8f5b033 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7cb157e3ea52f60f4092ee864387613d008b6eb4bc1cbcc206e15778d8f5b033", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "7cb157e3ea52f60f4092ee864387613d008b6eb4bc1cbcc206e15778d8f5b033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cb157e3ea52f60f4092ee864387613d008b6eb4bc1cbcc206e15778d8f5b033", kill_on_drop: false }` [INFO] [stdout] 7cb157e3ea52f60f4092ee864387613d008b6eb4bc1cbcc206e15778d8f5b033 [INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e424e8e1408ff34a32d304a83df84ace28baec2efa2b601da75e87751fb8b264 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e424e8e1408ff34a32d304a83df84ace28baec2efa2b601da75e87751fb8b264", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "e424e8e1408ff34a32d304a83df84ace28baec2efa2b601da75e87751fb8b264", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e424e8e1408ff34a32d304a83df84ace28baec2efa2b601da75e87751fb8b264", kill_on_drop: false }` [INFO] [stdout] e424e8e1408ff34a32d304a83df84ace28baec2efa2b601da75e87751fb8b264 [INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d1bb3947dae3b9b0649e56d5db8b5452a63126689aef8b3d468412a3063bd08c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d1bb3947dae3b9b0649e56d5db8b5452a63126689aef8b3d468412a3063bd08c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffi_helpers-9257b68ce2fc2f25 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test error_handling::tests::update_the_error ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:537:13 [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] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test task::tests::spawn_a_task ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stderr] 0: 0x5627d26818d5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] [INFO] [stderr] 1: 0x5627d26818d5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] [INFO] [stderr] 2: 0x5627d26818d5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5627d26818d5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5627d26a9b7c - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5627d267e043 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5627d2684120 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5627d2684120 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5627d2684120 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5627d2683e6c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5627d2684757 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x5627d25bf739 - std::panicking::begin_panic::h95bd666cbf7998e2 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:410 [INFO] [stderr] 12: 0x5627d255771a - ::run::h028372bf82e3bc3a [INFO] [stderr] at src/task.rs:537 [INFO] [stderr] 13: 0x5627d256a149 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::h8f6c3a7c628c16d3 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 14: 0x5627d25508c7 - std::panicking::try::do_call::he0bf163959f3a0ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stderr] 15: 0x5627d255309d - __rust_try [INFO] [stderr] 16: 0x5627d2550177 - std::panicking::try::h0d998f4c97c9fd48 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stderr] 17: 0x5627d255b326 - std::panic::catch_unwind::ha485f4ae80ce3e27 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x5627d254d793 - ffi_helpers::panic::catch_panic::h5df574ad3d1969d9 [INFO] [stderr] at src/panic.rs:44 [INFO] [stderr] 19: 0x5627d256a4a1 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::ha9f52f5b64f1fba2 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 20: 0x5627d2561955 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5291568e20cf733b [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x5627d2563785 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8e29b09b7cc44950 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x5627d255b238 - as core::ops::function::FnOnce<()>>::call_once::h95665fa2e1a7ad40 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x5627d2550780 - std::panicking::try::do_call::h1b725945943a02aa [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stderr] 24: 0x5627d255309d - __rust_try [INFO] [stderr] 25: 0x5627d255052d - std::panicking::try::hb01b1a1c6225488b [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stderr] 26: 0x5627d255b358 - std::panic::catch_unwind::hdd789c2c7d26eac6 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x5627d256356d - std::thread::Builder::spawn_unchecked::{{closure}}::h60ff643ce6144d53 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x5627d254535e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb1e2e269a628bd99 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x5627d268adda - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 30: 0x5627d268adda - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 31: 0x5627d268adda - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7f9cf95e4609 - start_thread [INFO] [stderr] 33: 0x7f9cf94f0103 - __clone [INFO] [stderr] 34: 0x0 - [INFO] [stderr] Doc-tests ffi_helpers [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 90) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 71) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 111) ... ok [INFO] [stdout] test src/split.rs - split::split_closure (line 8) ... 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. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d1bb3947dae3b9b0649e56d5db8b5452a63126689aef8b3d468412a3063bd08c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1bb3947dae3b9b0649e56d5db8b5452a63126689aef8b3d468412a3063bd08c", kill_on_drop: false }` [INFO] [stdout] d1bb3947dae3b9b0649e56d5db8b5452a63126689aef8b3d468412a3063bd08c