[INFO] fetching crate sbdb 0.2.0...
[INFO] testing sbdb-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate sbdb 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sbdb 0.2.0
[INFO] finished tweaking crates.io crate sbdb 0.2.0
[INFO] tweaked toml for crates.io crate sbdb 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sbdb 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sbdb 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.105
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.105
[INFO] [stderr]   Downloaded windows-numerics v0.3.1
[INFO] [stderr]   Downloaded windows-collections v0.3.2
[INFO] [stderr]   Downloaded path-dsl v0.6.1
[INFO] [stderr]   Downloaded windows-threading v0.2.1
[INFO] [stderr]   Downloaded quote v1.0.41
[INFO] [stderr]   Downloaded windows-future v0.3.2
[INFO] [stderr]   Downloaded js-sys v0.3.82
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]   Downloaded uuid v1.18.1
[INFO] [stderr]   Downloaded reflink-copy v0.1.27
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded syn v2.0.108
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.105
[INFO] [stderr]   Downloaded libc v0.2.177
[INFO] [stderr]   Downloaded windows v0.62.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c124868e3832cd854009df87a3d577cc9cecd525fbea691fb278eba17c1ec985
[INFO] running `Command { std: "docker" "start" "-a" "c124868e3832cd854009df87a3d577cc9cecd525fbea691fb278eba17c1ec985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c124868e3832cd854009df87a3d577cc9cecd525fbea691fb278eba17c1ec985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c124868e3832cd854009df87a3d577cc9cecd525fbea691fb278eba17c1ec985", kill_on_drop: false }`
[INFO] [stdout] c124868e3832cd854009df87a3d577cc9cecd525fbea691fb278eba17c1ec985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe273cb22272390a8cb5a5d253b74d06e9e7ccf94629f24c690019d2f5dba922
[INFO] running `Command { std: "docker" "start" "-a" "fe273cb22272390a8cb5a5d253b74d06e9e7ccf94629f24c690019d2f5dba922", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling reflink-copy v0.1.27
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling sbdb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "fe273cb22272390a8cb5a5d253b74d06e9e7ccf94629f24c690019d2f5dba922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe273cb22272390a8cb5a5d253b74d06e9e7ccf94629f24c690019d2f5dba922", kill_on_drop: false }`
[INFO] [stdout] fe273cb22272390a8cb5a5d253b74d06e9e7ccf94629f24c690019d2f5dba922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab71b0f112b6132b892aedc09fddfb14ccbc38b332e72e4a9ae99e753860d2c
[INFO] running `Command { std: "docker" "start" "-a" "6ab71b0f112b6132b892aedc09fddfb14ccbc38b332e72e4a9ae99e753860d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling path-dsl v0.6.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sbdb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "6ab71b0f112b6132b892aedc09fddfb14ccbc38b332e72e4a9ae99e753860d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab71b0f112b6132b892aedc09fddfb14ccbc38b332e72e4a9ae99e753860d2c", kill_on_drop: false }`
[INFO] [stdout] 6ab71b0f112b6132b892aedc09fddfb14ccbc38b332e72e4a9ae99e753860d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41e7871049dfa75bd71ac7cd8eb6f2c0961ba2dbf64d18f347f68b3d39fa683c
[INFO] running `Command { std: "docker" "start" "-a" "41e7871049dfa75bd71ac7cd8eb6f2c0961ba2dbf64d18f347f68b3d39fa683c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sbdb-6070cf95efb119b5)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_tx_operations ... ok
[INFO] [stdout] test test::test_readme_example ... ok
[INFO] [stdout] test test::test_dir_cp ... ok
[INFO] [stdout] test test::test_tx_operations_atomic_cp ... ok
[INFO] [stdout] test test::test_dir_cp_atomic ... FAILED
[INFO] [stdout] test test::fuzz_test_mixed_locking ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_dir_cp_atomic stdout ----
[INFO] [stdout] "/tmp/test_dir_cp_atomic-d4d295a3-aaba-45ed-8413-59fc90ad83e8/"
[INFO] [stdout] failed to delete test db: Os { code: 24, kind: Uncategorized, message: "Too many open files" }
[INFO] [stdout] Error: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::create_write_file_locks::<&str>
[INFO] [stdout]              at ./src/lib.rs:210:29
[INFO] [stdout]    5: <sbdb::Client>::write_dir::<&str>
[INFO] [stdout]              at ./src/lib.rs:47:20
[INFO] [stdout]    6: sbdb::test::test_dir_cp_atomic
[INFO] [stdout]              at ./src/lib.rs:771:28
[INFO] [stdout]    7: sbdb::test::test_dir_cp_atomic::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:764:32
[INFO] [stdout]    8: <sbdb::test::test_dir_cp_atomic::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    9: <fn() -> core::result::Result<(), alloc::string::String> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   10: test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:663:18
[INFO] [stdout]   11: test::run_test_in_process::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:74
[INFO] [stdout]   12: <core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   13: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   14: std::panicking::catch_unwind::<core::result::Result<(), alloc::string::String>, core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   15: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   16: test::run_test_in_process
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:27
[INFO] [stdout]   17: test::run_test::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:607:43
[INFO] [stdout]   18: test::run_test::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:637:41
[INFO] [stdout]   19: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   20: std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   21: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   22: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   25: std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   26: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   28: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   29: <unknown>
[INFO] [stdout]   30: <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::fuzz_test_mixed_locking stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (578) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (477) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (471) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (589) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (568) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (553) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (556) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (547) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (551) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (552) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (572) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (476) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (585) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (600) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (546) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (580) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (557) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (559) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (576) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (564) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (574) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (606) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (542) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (612) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (582) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (563) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (469) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (587) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (558) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (579) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (583) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (581) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (573) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (575) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (470) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (601) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (549) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (588) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (586) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (544) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (567) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (566) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (545) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (562) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (592) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (468) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (602) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (584) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (622) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (577) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (590) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (478) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (570) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (571) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (565) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (569) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (591) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (616) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (637) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (614) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (605) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (604) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (620) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (615) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (621) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (628) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (619) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (607) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (603) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (634) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (636) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (627) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (624) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (630) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (623) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (643) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (629) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (651) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4cd71 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (608) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - <unknown>
[INFO] [stdout]    1:     0x654f38b665ba - <unknown>
[INFO] [stdout]    2:     0x654f38b56772 - <unknown>
[INFO] [stdout]    3:     0x654f38b2cebf - <unknown>
[INFO] [stdout]    4:     0x654f38b47e19 - <unknown>
[INFO] [stdout]    5:     0x654f38a63c4c - <unknown>
[INFO] [stdout]    6:     0x654f38b47fd2 - <unknown>
[INFO] [stdout]    7:     0x654f38b2cf78 - <unknown>
[INFO] [stdout]    8:     0x654f38b21909 - <unknown>
[INFO] [stdout]    9:     0x654f38b2defd - <unknown>
[INFO] [stdout]   10:     0x654f38b66d4c - <unknown>
[INFO] [stdout]   11:     0x654f38b66ac2 - <unknown>
[INFO] [stdout]   12:     0x654f38a4c9b3 - <unknown>
[INFO] [stdout]   13:     0x654f38a2f1a6 - <unknown>
[INFO] [stdout]   14:     0x654f38a4b1e3 - <unknown>
[INFO] [stdout]   15:     0x654f38a32d20 - <unknown>
[INFO] [stdout]   16:     0x654f38a35cda - <unknown>
[INFO] [stdout]   17:     0x654f38a4c65b - <unknown>
[INFO] [stdout]   18:     0x654f38a4ae5e - <unknown>
[INFO] [stdout]   19:     0x654f38a41d6e - <unknown>
[INFO] [stdout]   20:     0x654f38b509ef - <unknown>
[INFO] [stdout]   21:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   22:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (626) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (776) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (794) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (778) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (823) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (613) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (631) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (617) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (618) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (660) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (666) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (560) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (632) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (658) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - <unknown>
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (647) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (625) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (639) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (787) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (633) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <unknown>
[INFO] [stdout]    1: <unknown>
[INFO] [stdout]    2: <unknown>
[INFO] [stdout]    3: <unknown>
[INFO] [stdout]    4: <unknown>
[INFO] [stdout]    5: <unknown>
[INFO] [stdout]    6: <unknown>
[INFO] [stdout]    7: <unknown>
[INFO] [stdout]    8: <unknown>
[INFO] [stdout]    9: <unknown>
[INFO] [stdout]   10: <unknown>
[INFO] [stdout]   11: <unknown>
[INFO] [stdout]   12: <unknown>
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (642) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (598) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (669) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (970) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (667) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (638) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (594) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (710) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (641) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (668) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (661) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (860) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (682) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (994) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (834) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (864) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (861) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (868) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (999) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (611) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (663) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (1010) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (856) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (975) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: clone
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (657) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (652) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (648) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (859) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (656) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (610) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (649) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (845) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (654) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (655) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (662) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (697) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (696) panicked at src/lib.rs:619:64:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::WriteLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:491:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:619:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4c9b3 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::WriteLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4c9b3 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:619:64
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (653) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   15: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   16: <unknown>
[INFO] [stdout]   17: <unknown>
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f38b516aa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f38b516aa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f38b516aa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f38b665ba - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f38b665ba - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x654f38b56772 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x654f38b56772 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x654f38b2cebf - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x654f38b2cebf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x654f38b47e19 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x654f38a63c4c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x654f38a63c4c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x654f38b47fd2 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x654f38b47fd2 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x654f38b2cf78 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x654f38b21909 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x654f38b2defd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x654f38b66d4c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x654f38b66ac2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x654f38a4cd71 - <core[fa0eadad68403074]::result::Result<sbdb[880ea95d302d567b]::ReadLock, anyhow[6d3f6946ceaae94d]::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x654f38a4cd71 - sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:609:63
[INFO] [stdout]   22:     0x654f38a2f1a6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x654f38a4b1e3 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   24:     0x654f38a32d20 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x654f38a35cda - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x654f38a4c65b - __rust_try
[INFO] [stdout]   27:     0x654f38a4ae5e - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x654f38a4ae5e - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x654f38a4ae5e - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   30:     0x654f38a41d6e - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<sbdb[880ea95d302d567b]::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x654f38b509ef - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   32:     0x654f38b509ef - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x7d76a8a25aa4 - <unknown>
[INFO] [stdout]   34:     0x7d76a8ab2a64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (599) panicked at src/lib.rs:609:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: could not open lock file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     Too many open files (os error 24)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <std::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::fs::File, std::io::error::Error> as anyhow::Context<std::fs::File, std::io::error::Error>>::context::<&str>
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/context.rs:54:37
[INFO] [stdout]    2: sbdb::get_lock_and_queue::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:445:10
[INFO] [stdout]    3: <sbdb::ReadLock>::new::<std::path::PathBuf>
[INFO] [stdout]              at ./src/lib.rs:467:29
[INFO] [stdout]    4: sbdb::test::fuzz_test_mixed_locking::{closure#0}
[INFO] [stdout]              at ./src/lib.rs:609:34
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]    6: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]    7: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: __rust_try
[INFO] [stdout]   10: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   13: <std::thread::lifecycle::spawn_unchecked<sbdb::test::fuzz_test_mixed_locking::{closure#0}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   14: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
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