[INFO] crate parc 1.0.1 is already in cache [INFO] testing parc-1.0.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate parc 1.0.1 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 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-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 79ec98d2b2fd8420b62dcbce3279c7d008607b337564fc58900ad3f1fadda65a [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" "79ec98d2b2fd8420b62dcbce3279c7d008607b337564fc58900ad3f1fadda65a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79ec98d2b2fd8420b62dcbce3279c7d008607b337564fc58900ad3f1fadda65a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79ec98d2b2fd8420b62dcbce3279c7d008607b337564fc58900ad3f1fadda65a", kill_on_drop: false }` [INFO] [stdout] 79ec98d2b2fd8420b62dcbce3279c7d008607b337564fc58900ad3f1fadda65a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 310e5cabe5b4b050f1bf1d552131617ee85b5dc77a2471324338b91b46fe2f97 [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" "310e5cabe5b4b050f1bf1d552131617ee85b5dc77a2471324338b91b46fe2f97", kill_on_drop: false }` [INFO] [stderr] Compiling parc v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "310e5cabe5b4b050f1bf1d552131617ee85b5dc77a2471324338b91b46fe2f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310e5cabe5b4b050f1bf1d552131617ee85b5dc77a2471324338b91b46fe2f97", kill_on_drop: false }` [INFO] [stdout] 310e5cabe5b4b050f1bf1d552131617ee85b5dc77a2471324338b91b46fe2f97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 8dd2219f15fd0b29d63a831ab3e077835715b120e968eddca40d0e1960a3089c [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" "8dd2219f15fd0b29d63a831ab3e077835715b120e968eddca40d0e1960a3089c", kill_on_drop: false }` [INFO] [stderr] Compiling parc v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "8dd2219f15fd0b29d63a831ab3e077835715b120e968eddca40d0e1960a3089c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dd2219f15fd0b29d63a831ab3e077835715b120e968eddca40d0e1960a3089c", kill_on_drop: false }` [INFO] [stdout] 8dd2219f15fd0b29d63a831ab3e077835715b120e968eddca40d0e1960a3089c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 08ffcdd0961d5cb2a9440f1a727f3059cfb7b3d357a78a657457ac945d628f0c [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" "08ffcdd0961d5cb2a9440f1a727f3059cfb7b3d357a78a657457ac945d628f0c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/parc-155d6d500eaec467 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::join_after_thread ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::loop_read_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::multiple_threads ... ok [INFO] [stderr] 0: 0x558822001eb5 - 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: 0x558822001eb5 - 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: 0x558822001eb5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x558822001eb5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x558822029bcc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x558821ffe7a2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x558822004610 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x558822004610 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558822004610 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55882200435c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x558822004c53 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55882200484b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x558822028561 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5588220284ad - core::panicking::panic::hcdaeac63c39347d7 [INFO] [stderr] at src/libcore/panicking.rs:50 [INFO] [stderr] 14: 0x558821fb1549 - parc::tests::one_panic_read_threads::{{closure}}::h222bcbc5a8afd669 [INFO] [stderr] at src/lib.rs:555 [INFO] [stderr] 15: 0x558821fac882 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2e385c16582e47cb [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x558821fa8892 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h73a7dc30ea1fd87b [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x558821fab7d2 - as core::ops::function::FnOnce<()>>::call_once::h4d2c98fc3ea1e160 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x558821fade08 - std::panicking::try::do_call::h5b60cc8c839152b1 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x558821fae1ed - __rust_try [INFO] [stderr] 20: 0x558821fadc59 - std::panicking::try::haf9d03d8a94f13b5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stderr] 21: 0x558821fabb32 - std::panic::catch_unwind::hd8606363978d0639 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x558821fa83e7 - std::thread::Builder::spawn_unchecked::{{closure}}::h4467feb80f34c940 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x558821fb44ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7c26a783a503003f [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stderr] 24: 0x55882200ae1a - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 25: 0x55882200ae1a - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 26: 0x55882200ae1a - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7fc61ff48609 - start_thread [INFO] [stderr] 28: 0x7fc61fe54103 - __clone [INFO] [stderr] 29: 0x0 - [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] [stderr] Doc-tests parc [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - ParentArc::unlock (line 132) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::lock (line 108) ... 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::downgrade (line 153) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::try_downgrade (line 168) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::new (line 81) ... ok [INFO] [stdout] test src/lib.rs - ParentArc::try_unwrap (line 232) ... ok [INFO] [stdout] test src/lib.rs - ChildArc (line 390) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "08ffcdd0961d5cb2a9440f1a727f3059cfb7b3d357a78a657457ac945d628f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08ffcdd0961d5cb2a9440f1a727f3059cfb7b3d357a78a657457ac945d628f0c", kill_on_drop: false }` [INFO] [stdout] 08ffcdd0961d5cb2a9440f1a727f3059cfb7b3d357a78a657457ac945d628f0c