[INFO] crate ffi_helpers 0.2.0 is already in cache [INFO] testing ffi_helpers-0.2.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate ffi_helpers 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate ffi_helpers 0.2.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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_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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a6f0a7c7e50f973a3f82998d68d15f82e3ac0dd626f12452f8cc8761943ddd7 [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" "6a6f0a7c7e50f973a3f82998d68d15f82e3ac0dd626f12452f8cc8761943ddd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a6f0a7c7e50f973a3f82998d68d15f82e3ac0dd626f12452f8cc8761943ddd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a6f0a7c7e50f973a3f82998d68d15f82e3ac0dd626f12452f8cc8761943ddd7", kill_on_drop: false }` [INFO] [stdout] 6a6f0a7c7e50f973a3f82998d68d15f82e3ac0dd626f12452f8cc8761943ddd7 [INFO] running `Command { std: "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=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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4287999a84ca5dd63ca5fb53eb98ea60160de0b4873f8e7a605c9eb6b4601a4b [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" "4287999a84ca5dd63ca5fb53eb98ea60160de0b4873f8e7a605c9eb6b4601a4b", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "4287999a84ca5dd63ca5fb53eb98ea60160de0b4873f8e7a605c9eb6b4601a4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4287999a84ca5dd63ca5fb53eb98ea60160de0b4873f8e7a605c9eb6b4601a4b", kill_on_drop: false }` [INFO] [stdout] 4287999a84ca5dd63ca5fb53eb98ea60160de0b4873f8e7a605c9eb6b4601a4b [INFO] running `Command { std: "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=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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] af6f6a7f64735eef92df5d9bd3d2c0460ae405f9dec3bcbfb77c39df67c37b22 [INFO] running `Command { std: "docker" "start" "-a" "af6f6a7f64735eef92df5d9bd3d2c0460ae405f9dec3bcbfb77c39df67c37b22", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "af6f6a7f64735eef92df5d9bd3d2c0460ae405f9dec3bcbfb77c39df67c37b22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af6f6a7f64735eef92df5d9bd3d2c0460ae405f9dec3bcbfb77c39df67c37b22", kill_on_drop: false }` [INFO] [stdout] af6f6a7f64735eef92df5d9bd3d2c0460ae405f9dec3bcbfb77c39df67c37b22 [INFO] running `Command { std: "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=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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a483f271fb4564ed44ca4e706083d4bd214fc1fd83b5e874b826997f2923d2b [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" "1a483f271fb4564ed44ca4e706083d4bd214fc1fd83b5e874b826997f2923d2b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stdout] running 11 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffi_helpers-3e657dee1dcad8a1 [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:537:13 [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... 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 error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test error_handling::tests::update_the_error ... ok [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] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fe69ee2d25 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55fe69ee2d25 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55fe69ee2d25 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55fe69ee2d25 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55fe69f0addc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55fe69edf472 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55fe69ee54a0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55fe69ee54a0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55fe69ee54a0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55fe69ee51ec - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55fe69ee5ae3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55fe69e266a9 - std::panicking::begin_panic::h460ce4613c3333ad [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stderr] 12: 0x55fe69dbe15a - ::run::h36c8b2877e33ef39 [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stderr] at src/task.rs:537 [INFO] [stderr] 13: 0x55fe69dad239 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::h0952f73ef72bad49 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 14: 0x55fe69db5217 - std::panicking::try::do_call::h1a75b04ca634cf3e [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stderr] 15: 0x55fe69db9aad - __rust_try [INFO] [stderr] 16: 0x55fe69db5017 - std::panicking::try::hd1148e520b23184e [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x55fe69dc1d26 - std::panic::catch_unwind::h8b782ba294cccfa1 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55fe69db1e63 - ffi_helpers::panic::catch_panic::heb8a05311aa9d651 [INFO] [stderr] at src/panic.rs:44 [INFO] [stderr] 19: 0x55fe69dad441 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h92bd4cd506d0a30a [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 20: 0x55fe69dce2b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hff84ab1afa220199 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x55fe69dca195 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h49030d8f10887142 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x55fe69dc1c98 - as core::ops::function::FnOnce<()>>::call_once::hc566d38a021877c1 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x55fe69db5350 - std::panicking::try::do_call::h91afba62c4aa06f6 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stderr] 24: 0x55fe69db9aad - __rust_try [INFO] [stderr] 25: 0x55fe69db4f4d - std::panicking::try::ha64a4beead548e19 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stderr] 26: 0x55fe69dc1cf8 - std::panic::catch_unwind::h4c6779fa65aef6fb [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x55fe69dc9f7d - std::thread::Builder::spawn_unchecked::{{closure}}::h9a6aa40f1ea3f4ba [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x55fe69db5b0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hec9b84bd01b9bf02 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stderr] 29: 0x55fe69eec05a - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 30: 0x55fe69eec05a - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 31: 0x55fe69eec05a - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7f0d814a2609 - start_thread [INFO] [stderr] 33: 0x7f0d813ae103 - __clone [INFO] [stderr] 34: 0x0 - [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 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" "1a483f271fb4564ed44ca4e706083d4bd214fc1fd83b5e874b826997f2923d2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a483f271fb4564ed44ca4e706083d4bd214fc1fd83b5e874b826997f2923d2b", kill_on_drop: false }` [INFO] [stdout] 1a483f271fb4564ed44ca4e706083d4bd214fc1fd83b5e874b826997f2923d2b