[INFO] fetching crate ffi_helpers 0.2.0... [INFO] testing ffi_helpers-0.2.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate ffi_helpers 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ffi_helpers 0.2.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 93651df9f858b2ba296f68945044bdd803658b780d888ac3274874448c6cb0a8 [INFO] running `Command { std: "docker" "start" "-a" "93651df9f858b2ba296f68945044bdd803658b780d888ac3274874448c6cb0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93651df9f858b2ba296f68945044bdd803658b780d888ac3274874448c6cb0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93651df9f858b2ba296f68945044bdd803658b780d888ac3274874448c6cb0a8", kill_on_drop: false }` [INFO] [stdout] 93651df9f858b2ba296f68945044bdd803658b780d888ac3274874448c6cb0a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 280da8d4fd65de4cf0caaa573ef512880fb55edb495ab784dcf5b7dba6c23a2a [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" "280da8d4fd65de4cf0caaa573ef512880fb55edb495ab784dcf5b7dba6c23a2a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.54s [INFO] running `Command { std: "docker" "inspect" "280da8d4fd65de4cf0caaa573ef512880fb55edb495ab784dcf5b7dba6c23a2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "280da8d4fd65de4cf0caaa573ef512880fb55edb495ab784dcf5b7dba6c23a2a", kill_on_drop: false }` [INFO] [stdout] 280da8d4fd65de4cf0caaa573ef512880fb55edb495ab784dcf5b7dba6c23a2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8918ba7184c6d6727605c63c9864fe42bc21ba842f5789a949966e6aa6132b59 [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" "8918ba7184c6d6727605c63c9864fe42bc21ba842f5789a949966e6aa6132b59", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.54s [INFO] running `Command { std: "docker" "inspect" "8918ba7184c6d6727605c63c9864fe42bc21ba842f5789a949966e6aa6132b59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8918ba7184c6d6727605c63c9864fe42bc21ba842f5789a949966e6aa6132b59", kill_on_drop: false }` [INFO] [stdout] 8918ba7184c6d6727605c63c9864fe42bc21ba842f5789a949966e6aa6132b59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] c9e33330b7a7ae6ca0f5f457cb6cfd528306fc95edd3b05d0707253d851dcad3 [INFO] running `Command { std: "docker" "start" "-a" "c9e33330b7a7ae6ca0f5f457cb6cfd528306fc95edd3b05d0707253d851dcad3", kill_on_drop: false }` [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_null_pointers ... ok [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffi_helpers-c7000c103c8eef74 [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:537:13 [INFO] [stderr] stack backtrace: [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::update_the_error ... ok [INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stderr] 0: 0x55a77f175545 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a77f175545 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a77f175545 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a77f175545 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a77f19d60c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55a77f171c92 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x55a77f177cc0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a77f177cc0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a77f177cc0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55a77f177a0c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55a77f178303 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55a77f0b7629 - std::panicking::begin_panic::he2db5996aef3a20b [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55a77f04f0ba - ::run::h3515962c2a66fd3e [INFO] [stderr] at src/task.rs:537 [INFO] [stderr] 13: 0x55a77f03e1f9 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::hc51a15470d468a31 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 14: 0x55a77f046237 - std::panicking::try::do_call::h8fb96839d3cb026d [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stderr] 15: 0x55a77f04aa0d - __rust_try [INFO] [stderr] 16: 0x55a77f045c17 - std::panicking::try::h2a4aa7888979bd0e [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x55a77f052c26 - std::panic::catch_unwind::h05d1dff87f1e53e2 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55a77f042dc3 - ffi_helpers::panic::catch_panic::hf61858c8b5f9d44f [INFO] [stderr] at src/panic.rs:44 [INFO] [stderr] 19: 0x55a77f03e3a1 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h19faaaf7b16f2ff0 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 20: 0x55a77f03c3c5 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha9443df939009b12 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x55a77f05b205 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6206b2ff5b1f0e18 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x55a77f052bc8 - as core::ops::function::FnOnce<()>>::call_once::h2cfd0f824ebc1a60 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x55a77f0461f0 - std::panicking::try::do_call::h0a003830e33283da [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stderr] 24: 0x55a77f04aa0d - __rust_try [INFO] [stderr] 25: 0x55a77f045ead - std::panicking::try::h6cf031e4c7a5d27a [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stderr] 26: 0x55a77f052cb8 - std::panic::catch_unwind::hae4eae8e2496df8a [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x55a77f05acfd - std::thread::Builder::spawn_unchecked::{{closure}}::h1c0e0e005f38dd40 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x55a77f046a6e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4218947dc889d37a [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stderr] 29: 0x55a77f17e85a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stderr] 30: 0x55a77f17e85a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stderr] 31: 0x55a77f17e85a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7f432f1e8609 - start_thread [INFO] [stderr] 33: 0x7f432f0f4103 - __clone [INFO] [stderr] 34: 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] [stderr] Doc-tests ffi_helpers [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] [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" "c9e33330b7a7ae6ca0f5f457cb6cfd528306fc95edd3b05d0707253d851dcad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9e33330b7a7ae6ca0f5f457cb6cfd528306fc95edd3b05d0707253d851dcad3", kill_on_drop: false }` [INFO] [stdout] c9e33330b7a7ae6ca0f5f457cb6cfd528306fc95edd3b05d0707253d851dcad3