[INFO] crate no_deadlocks 1.0.0 is already in cache [INFO] testing no_deadlocks-1.0.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate no_deadlocks 1.0.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate no_deadlocks 1.0.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate no_deadlocks 1.0.0 [INFO] finished tweaking crates.io crate no_deadlocks 1.0.0 [INFO] tweaked toml for crates.io crate no_deadlocks 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ef26ad099ac8d5596bccd85c6a86be4fedca3e5ebc7228cd67d66e0a3ee5020 [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" "3ef26ad099ac8d5596bccd85c6a86be4fedca3e5ebc7228cd67d66e0a3ee5020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ef26ad099ac8d5596bccd85c6a86be4fedca3e5ebc7228cd67d66e0a3ee5020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ef26ad099ac8d5596bccd85c6a86be4fedca3e5ebc7228cd67d66e0a3ee5020", kill_on_drop: false }` [INFO] [stdout] 3ef26ad099ac8d5596bccd85c6a86be4fedca3e5ebc7228cd67d66e0a3ee5020 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbc15d939d19005d08c51ecbf94a0c6c6a268ac2c2340bfc6fa0fff576bc9d03 [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" "bbc15d939d19005d08c51ecbf94a0c6c6a268ac2c2340bfc6fa0fff576bc9d03", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling vector-map v0.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling no_deadlocks v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.18s [INFO] running `Command { std: "docker" "inspect" "bbc15d939d19005d08c51ecbf94a0c6c6a268ac2c2340bfc6fa0fff576bc9d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbc15d939d19005d08c51ecbf94a0c6c6a268ac2c2340bfc6fa0fff576bc9d03", kill_on_drop: false }` [INFO] [stdout] bbc15d939d19005d08c51ecbf94a0c6c6a268ac2c2340bfc6fa0fff576bc9d03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f68e23b918a680e1bad91e7acbf1a15b0cd0bb1a56ec22e7ade1edb04a564861 [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" "f68e23b918a680e1bad91e7acbf1a15b0cd0bb1a56ec22e7ade1edb04a564861", kill_on_drop: false }` [INFO] [stderr] Compiling no_deadlocks v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `Command { std: "docker" "inspect" "f68e23b918a680e1bad91e7acbf1a15b0cd0bb1a56ec22e7ade1edb04a564861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f68e23b918a680e1bad91e7acbf1a15b0cd0bb1a56ec22e7ade1edb04a564861", kill_on_drop: false }` [INFO] [stdout] f68e23b918a680e1bad91e7acbf1a15b0cd0bb1a56ec22e7ade1edb04a564861 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 60ced161d9d35f321b0ec3043e2548a6f8151d38c3f95eb32dc0512534c614b4 [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" "60ced161d9d35f321b0ec3043e2548a6f8151d38c3f95eb32dc0512534c614b4", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/no_deadlocks-6b98026e89c12fcd [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] =========== REPORT START =========== [INFO] [stderr] A reentrance has been attempted, but `std::sync`'s locks are not reentrant. This results in a deadlock. dependence cycle: [Thread(ThreadId(3)), Lock(0)] [INFO] [stdout] test graphs::graph_loop_detection ... ok [INFO] [stderr] Lock taken at: [INFO] [stderr] 0: std::sys_common::backtrace::__rust_begin_short_backtrace [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 1: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stderr] as core::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stderr] std::panicking::try::do_call [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stderr] std::panicking::try [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stderr] std::panic::catch_unwind [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stderr] std::thread::Builder::spawn_unchecked::{{closure}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stderr] core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stderr] 2: as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] std::sys::unix::thread::Thread::new::thread_start [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 3: start_thread [INFO] [stderr] 4: clone [INFO] [stderr] [INFO] [stderr] Reentrace at: [INFO] [stderr] 0: std::sys_common::backtrace::__rust_begin_short_backtrace [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 1: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stderr] as core::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stderr] std::panicking::try::do_call [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stderr] std::panicking::try [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stderr] std::panic::catch_unwind [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stderr] std::thread::Builder::spawn_unchecked::{{closure}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stderr] core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stderr] 2: as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] std::sys::unix::thread::Thread::new::thread_start [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 3: start_thread [INFO] [stderr] 4: clone [INFO] [stderr] [INFO] [stderr] =========== REPORT END =========== [INFO] [stderr] [INFO] [stdout] test lock_manager::reentrance_detection ... ok [INFO] [stderr] =========== REPORT START =========== [INFO] [stdout] test lock_manager::without_deadlock ... ok [INFO] [stderr] A reentrance has been attempted, but `std::sync`'s locks are not reentrant. This results in a deadlock. dependence cycle: [Thread(ThreadId(7)), Lock(1)] [INFO] [stderr] thread '' panicked at 'called `Option::unwrap()` on a `None` value', src/lock_manager.rs:212:102 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5622f8363035 - 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: 0x5622f8363035 - 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: 0x5622f8363035 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5622f8363035 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5622f838b18c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5622f835f7d2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x5622f83657b0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5622f83657b0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5622f83657b0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5622f83654fc - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5622f8365df3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5622f83659eb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x5622f8389b21 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5622f8389a6d - core::panicking::panic::h68e56c2eeba99c8c [INFO] [stderr] at src/libcore/panicking.rs:50 [INFO] [stderr] 14: 0x5622f824f73c - core::option::Option::unwrap::h44a5c6e3d58c029c [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/macros/mod.rs:10 [INFO] [stderr] 15: 0x5622f8240472 - no_deadlocks::lock_manager::LockManager::handle_deadlock::h948820a337a68e64 [INFO] [stderr] at src/lock_manager.rs:212 [INFO] [stderr] 16: 0x5622f823fa16 - no_deadlocks::lock_manager::LockManager::analyse::he6ce627ea91c8c6d [INFO] [stderr] at src/lock_manager.rs:185 [INFO] [stderr] 17: 0x5622f8248f76 - no_deadlocks::mutex::Mutex::lock::h5cf3418b3438e0ad [INFO] [stderr] at src/mutex.rs:79 [INFO] [stderr] 18: 0x5622f8241cbf - no_deadlocks::lock_manager::with_deadlock::{{closure}}::h28ff06b5b8d5ca61 [INFO] [stderr] at src/lock_manager.rs:262 [INFO] [stdout] test lock_manager::with_deadlock ... ok [INFO] [stderr] 19: 0x5622f823b0b3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h444575cc02ecc506 [INFO] [stdout] [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 20: 0x5622f823c703 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7df046aed406f248 [INFO] [stdout] [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stderr] 21: 0x5622f82343d3 - as core::ops::function::FnOnce<()>>::call_once::h9a1389119b2a61cc [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stderr] 22: 0x5622f823907b - std::panicking::try::do_call::hcd36dc848200c4a9 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stderr] 23: 0x5622f8239f3d - __rust_try [INFO] [stderr] 24: 0x5622f8238f90 - std::panicking::try::h80a98e67e941e1a0 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stderr] 25: 0x5622f82344f3 - std::panic::catch_unwind::h20c0356a7f9353d8 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stderr] 26: 0x5622f823c1fc - std::thread::Builder::spawn_unchecked::{{closure}}::h801ba41085bba2b2 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stderr] 27: 0x5622f824ce8e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h51fa4b70152d776d [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stderr] 28: 0x5622f836c35a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 29: 0x5622f836c35a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 30: 0x5622f836c35a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 31: 0x7f025ce2e609 - start_thread [INFO] [stderr] 32: 0x7f025d0b9103 - __clone [INFO] [stderr] 33: 0x0 - [INFO] [stderr] =========== REPORT START =========== [INFO] [stderr] A reentrance has been attempted, but `std::sync`'s locks are not reentrant. This results in a deadlock. dependence cycle: [Thread(ThreadId(7)), Lock(1)] [INFO] [stderr] Doc-tests no_deadlocks [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] running `Command { std: "docker" "inspect" "60ced161d9d35f321b0ec3043e2548a6f8151d38c3f95eb32dc0512534c614b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60ced161d9d35f321b0ec3043e2548a6f8151d38c3f95eb32dc0512534c614b4", kill_on_drop: false }` [INFO] [stdout] 60ced161d9d35f321b0ec3043e2548a6f8151d38c3f95eb32dc0512534c614b4