[INFO] fetching crate juno 0.1.0... [INFO] testing juno-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate juno 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate juno 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate juno 0.1.0 [INFO] finished tweaking crates.io crate juno 0.1.0 [INFO] tweaked toml for crates.io crate juno 0.1.0 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] 335eb5d42e3f55e5fd8f463c9674bb99a0af5e03d2b357d31d8aa2906c9ff05f [INFO] running `"docker" "start" "-a" "335eb5d42e3f55e5fd8f463c9674bb99a0af5e03d2b357d31d8aa2906c9ff05f"` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling async-trait v0.1.30 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling juno v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.08s [INFO] running `"docker" "inspect" "335eb5d42e3f55e5fd8f463c9674bb99a0af5e03d2b357d31d8aa2906c9ff05f"` [INFO] running `"docker" "rm" "-f" "335eb5d42e3f55e5fd8f463c9674bb99a0af5e03d2b357d31d8aa2906c9ff05f"` [INFO] [stdout] 335eb5d42e3f55e5fd8f463c9674bb99a0af5e03d2b357d31d8aa2906c9ff05f [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] 4cb987f130ac7b858ef99f9d63a8ba8f779c737b10fba3748ca34d18fd11c0de [INFO] running `"docker" "start" "-a" "4cb987f130ac7b858ef99f9d63a8ba8f779c737b10fba3748ca34d18fd11c0de"` [INFO] [stderr] Compiling juno v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.43s [INFO] running `"docker" "inspect" "4cb987f130ac7b858ef99f9d63a8ba8f779c737b10fba3748ca34d18fd11c0de"` [INFO] running `"docker" "rm" "-f" "4cb987f130ac7b858ef99f9d63a8ba8f779c737b10fba3748ca34d18fd11c0de"` [INFO] [stdout] 4cb987f130ac7b858ef99f9d63a8ba8f779c737b10fba3748ca34d18fd11c0de [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] 5db54b471ed35f72cb461e864940814a382bb5c1b76fd7e37624b9cd2c0af05e [INFO] running `"docker" "start" "-a" "5db54b471ed35f72cb461e864940814a382bb5c1b76fd7e37624b9cd2c0af05e"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/juno-ae82248a70b66e03 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sample-bc931a6b178c9157 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test sample ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- sample stdout ---- [INFO] [stdout] thread 'sample' panicked at 'called `Result::unwrap()` on an `Err` value: Internal("No such file or directory (os error 2)")', tests/sample.rs:9:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56333f171f24 - 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: 0x56333f171f24 - 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: 0x56333f171f24 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56333f171f24 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56333f19ba6c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x56333eff88f5 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x56333f16bff1 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x56333f174805 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x56333f174805 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x56333f174805 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x56333f1744eb - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x56333f174e62 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x56333f174a4b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x56333f19a1e1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x56333f19a003 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x56333eff5d6a - core::result::Result::unwrap::h2ae43a9d22f8493f [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x56333efe8cf3 - sample::sample::{{closure}}::haf7dc5d17c4ff30c [INFO] [stdout] at tests/sample.rs:9 [INFO] [stdout] 17: 0x56333efe2259 - as core::future::future::Future>::poll::h24ddd3e206ae1b3d [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/future/mod.rs:66 [INFO] [stdout] 18: 0x56333efe3512 - as core::future::future::Future>::poll::hb797d87866643aba [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.4/src/future/maybe_done.rs:96 [INFO] [stdout] 19: 0x56333eff2832 - as core::future::future::Future>::poll::h5ab797185707c4ae [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.4/src/future/join.rs:55 [INFO] [stdout] 20: 0x56333efeedfb - async_std::task::block_on::block_on::{{closure}}::h9f8ea2f8d3215b38 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:68 [INFO] [stdout] 21: 0x56333efe2f49 - as core::future::future::Future>::poll::hf7480ea6f692b50b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/future/mod.rs:66 [INFO] [stdout] 22: 0x56333efee6a0 - async_std::task::block_on::run::{{closure}}::h14c35e1236eaa489 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:128 [INFO] [stdout] 23: 0x56333eff6bcd - std::thread::local::LocalKey::try_with::hbf3ba00e74f87886 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/local.rs:263 [INFO] [stdout] 24: 0x56333eff6573 - std::thread::local::LocalKey::with::h6e9425c4e1e07026 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/local.rs:239 [INFO] [stdout] 25: 0x56333efee4ae - async_std::task::block_on::run::hb7b9e0d9a6cc90b8 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:118 [INFO] [stdout] 26: 0x56333efeef93 - async_std::task::block_on::block_on::{{closure}}::hfb0159bbb2952a6f [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:72 [INFO] [stdout] 27: 0x56333efe486b - async_std::task::task::Task::set_current::{{closure}}::hdf18414ddc95217b [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/task.rs:129 [INFO] [stdout] 28: 0x56333eff694d - std::thread::local::LocalKey::try_with::hb9a691b2c5f5ddd4 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/local.rs:263 [INFO] [stdout] 29: 0x56333eff65fd - std::thread::local::LocalKey::with::haf9f93df7a5eeda5 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/local.rs:239 [INFO] [stdout] 30: 0x56333efe4780 - async_std::task::task::Task::set_current::hc2243c6ee6a2ad0a [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/task.rs:124 [INFO] [stdout] 31: 0x56333efeec58 - async_std::task::block_on::block_on::h3add02ccae6fe714 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:72 [INFO] [stdout] 32: 0x56333efe89b9 - sample::sample::ha999ca98c333be76 [INFO] [stdout] at tests/sample.rs:39 [INFO] [stdout] 33: 0x56333efe88aa - sample::sample::{{closure}}::h1e2bd26850c56108 [INFO] [stdout] at tests/sample.rs:6 [INFO] [stdout] 34: 0x56333efdf1fe - core::ops::function::FnOnce::call_once::h5166a8fca4f77874 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x56333f0047ef - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x56333f01fdee - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 37: 0x56333f01fdee - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 38: 0x56333f01fdee - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 39: 0x56333f01fdee - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 40: 0x56333f01fdee - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 41: 0x56333f01fdee - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 42: 0x56333eff7da6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 43: 0x56333effd0c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 44: 0x56333effd0c5 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 45: 0x56333effd0c5 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 46: 0x56333effd0c5 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 47: 0x56333effd0c5 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 48: 0x56333effd0c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 49: 0x56333effd0c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 50: 0x56333f167f1f - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 51: 0x56333f17bd23 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 52: 0x56333f17bd23 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 53: 0x7f9058b0f6db - start_thread [INFO] [stdout] 54: 0x7f905862088f - __clone [INFO] [stdout] 55: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] sample [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test sample' [INFO] running `"docker" "inspect" "5db54b471ed35f72cb461e864940814a382bb5c1b76fd7e37624b9cd2c0af05e"` [INFO] running `"docker" "rm" "-f" "5db54b471ed35f72cb461e864940814a382bb5c1b76fd7e37624b9cd2c0af05e"` [INFO] [stdout] 5db54b471ed35f72cb461e864940814a382bb5c1b76fd7e37624b9cd2c0af05e