[INFO] crate parc 1.0.1 is already in cache [INFO] testing parc-1.0.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate parc 1.0.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate parc 1.0.1 [INFO] finished tweaking crates.io crate parc 1.0.1 [INFO] tweaked toml for crates.io crate parc 1.0.1 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] d8246b1a56ad95602544815ab61fac9ee51cf43d0dd602ffe546c375d60070f3 [INFO] running `"docker" "start" "-a" "d8246b1a56ad95602544815ab61fac9ee51cf43d0dd602ffe546c375d60070f3"` [INFO] [stderr] Compiling parc v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "d8246b1a56ad95602544815ab61fac9ee51cf43d0dd602ffe546c375d60070f3"` [INFO] running `"docker" "rm" "-f" "d8246b1a56ad95602544815ab61fac9ee51cf43d0dd602ffe546c375d60070f3"` [INFO] [stdout] d8246b1a56ad95602544815ab61fac9ee51cf43d0dd602ffe546c375d60070f3 [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] ec888b00cf636befa01aef005fe0e3439d9d91598aa640d66d7573ee8dea2958 [INFO] running `"docker" "start" "-a" "ec888b00cf636befa01aef005fe0e3439d9d91598aa640d66d7573ee8dea2958"` [INFO] [stderr] Compiling parc v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `"docker" "inspect" "ec888b00cf636befa01aef005fe0e3439d9d91598aa640d66d7573ee8dea2958"` [INFO] running `"docker" "rm" "-f" "ec888b00cf636befa01aef005fe0e3439d9d91598aa640d66d7573ee8dea2958"` [INFO] [stdout] ec888b00cf636befa01aef005fe0e3439d9d91598aa640d66d7573ee8dea2958 [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] 73ad23e97c784a861c7fac4d1e88e7fb2d78c7fb66e3e1c919f8fb19e290cc53 [INFO] running `"docker" "start" "-a" "73ad23e97c784a861c7fac4d1e88e7fb2d78c7fb66e3e1c919f8fb19e290cc53"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/parc-cbdb8fb51deb00e3 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::join_after_thread ... ok [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:555:33 [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::one_simple_thread ... ok [INFO] [stdout] test tests::many_loop_read_threads ... ok [INFO] [stdout] test tests::loop_read_thread ... ok [INFO] [stderr] 0: 0x55ab99bfe244 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55ab99bfe244 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ab99bfe244 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55ab99bfe244 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] test tests::multiple_threads ... ok [INFO] [stderr] 4: 0x55ab99c26f0c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55ab99bfae23 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55ab99c00b15 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55ab99c00b15 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55ab99c00b15 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55ab99c00852 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55ab99c01172 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55ab99c00d5b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55ab99c25931 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55ab99c2587d - core::panicking::panic::hbfb03ddd2cbb509e [INFO] [stderr] at src/libcore/panicking.rs:54 [INFO] [stderr] 14: 0x55ab99baf2a3 - parc::tests::one_panic_read_threads::{{closure}}::h82e1d402606935ae [INFO] [stderr] at src/lib.rs:555 [INFO] [stderr] 15: 0x55ab99ba8dc2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h887264e021512123 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x55ab99ba34f2 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb2b37045e02ea1e2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x55ab99ba71b2 - as core::ops::function::FnOnce<()>>::call_once::he89a7d7c3c569b58 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x55ab99babb68 - std::panicking::try::do_call::he68e70bc94f45cf4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55ab99babeed - __rust_try [INFO] [stderr] 20: 0x55ab99bab609 - std::panicking::try::h3368eb03a14e1cda [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x55ab99ba74e2 - std::panic::catch_unwind::h6652f5747be46a59 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55ab99ba2ab7 - std::thread::Builder::spawn_unchecked::{{closure}}::ha3fe18342ff3944c [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x55ab99ba524e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1f5522306b4f373e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x55ab99bf493f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 25: 0x55ab99c07953 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 26: 0x55ab99c07953 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f3fd67bc6db - start_thread [INFO] [stderr] 28: 0x7f3fd62cd88f - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] Doc-tests parc [INFO] [stdout] test tests::one_panic_read_threads ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - ParentArc::try_downgrade (line 168) ... ok [INFO] [stdout] test src/lib.rs - ChildArc (line 390) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::downgrade (line 153) ... ok [INFO] [stdout] test src/lib.rs - LockWeak::upgrade (line 342) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::block_into_inner (line 195) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::new (line 81) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::lock (line 108) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::try_unwrap (line 232) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::unlock (line 132) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "73ad23e97c784a861c7fac4d1e88e7fb2d78c7fb66e3e1c919f8fb19e290cc53"` [INFO] running `"docker" "rm" "-f" "73ad23e97c784a861c7fac4d1e88e7fb2d78c7fb66e3e1c919f8fb19e290cc53"` [INFO] [stdout] 73ad23e97c784a861c7fac4d1e88e7fb2d78c7fb66e3e1c919f8fb19e290cc53