[INFO] cloning repository https://github.com/NailLaraqui/RustyKV
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NailLaraqui/RustyKV" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNailLaraqui%2FRustyKV", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNailLaraqui%2FRustyKV'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b03b9d364bc57d6cae77deb0b445fb5f56af6549
[INFO] testing NailLaraqui/RustyKV against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNailLaraqui%2FRustyKV" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NailLaraqui/RustyKV
[INFO] finished tweaking git repo https://github.com/NailLaraqui/RustyKV
[INFO] tweaked toml for git repo https://github.com/NailLaraqui/RustyKV written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NailLaraqui/RustyKV on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NailLaraqui/RustyKV 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19368f4407b283ee7a5a2f6cae15ca6dbbdd8bfea8370148f6213b9a46a015a5
[INFO] running `Command { std: "docker" "start" "-a" "19368f4407b283ee7a5a2f6cae15ca6dbbdd8bfea8370148f6213b9a46a015a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19368f4407b283ee7a5a2f6cae15ca6dbbdd8bfea8370148f6213b9a46a015a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19368f4407b283ee7a5a2f6cae15ca6dbbdd8bfea8370148f6213b9a46a015a5", kill_on_drop: false }`
[INFO] [stdout] 19368f4407b283ee7a5a2f6cae15ca6dbbdd8bfea8370148f6213b9a46a015a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a78d759ac7f42132b906fe8dda4b46f338f5afe6432d474d639fd9ea3b7beda5
[INFO] running `Command { std: "docker" "start" "-a" "a78d759ac7f42132b906fe8dda4b46f338f5afe6432d474d639fd9ea3b7beda5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling tokio v1.51.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling RustyKV v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.89s
[INFO] running `Command { std: "docker" "inspect" "a78d759ac7f42132b906fe8dda4b46f338f5afe6432d474d639fd9ea3b7beda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78d759ac7f42132b906fe8dda4b46f338f5afe6432d474d639fd9ea3b7beda5", kill_on_drop: false }`
[INFO] [stdout] a78d759ac7f42132b906fe8dda4b46f338f5afe6432d474d639fd9ea3b7beda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d9de79598e6e677031b410d2c836a81b02f20207dc9b5d6ba7070b078bf074
[INFO] running `Command { std: "docker" "start" "-a" "d0d9de79598e6e677031b410d2c836a81b02f20207dc9b5d6ba7070b078bf074", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustyKV v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "d0d9de79598e6e677031b410d2c836a81b02f20207dc9b5d6ba7070b078bf074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d9de79598e6e677031b410d2c836a81b02f20207dc9b5d6ba7070b078bf074", kill_on_drop: false }`
[INFO] [stdout] d0d9de79598e6e677031b410d2c836a81b02f20207dc9b5d6ba7070b078bf074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a59927430510941452f4f6e0f60f951adc959d1ccf81681aaa617937a8afab39
[INFO] running `Command { std: "docker" "start" "-a" "a59927430510941452f4f6e0f60f951adc959d1ccf81681aaa617937a8afab39", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustyKV-015044f5dd284858)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::delete_tests::delete_existing_key ... ok
[INFO] [stdout] test tests::delete_tests::delete_nonexistent_key ... ok
[INFO] [stdout] test tests::concurrency_tests::concurrent_reads_do_not_block_each_other ... ok
[INFO] [stdout] test tests::concurrency_tests::concurrent_read_write_consistency ... ok
[INFO] [stdout] test tests::concurrency_tests::concurrent_writes_are_consistent ... ok
[INFO] [stdout] test tests::get_tests::get_key_with_empty_value ... ok
[INFO] [stdout] test tests::parse_command_tests::del_missing_key ... ok
[INFO] [stdout] test tests::get_tests::get_existing_key ... ok
[INFO] [stdout] test tests::parse_command_tests::get_case_insensitive ... ok
[INFO] [stdout] test tests::parse_command_tests::get_missing_key ... ok
[INFO] [stdout] test tests::parse_command_tests::get_valid ... ok
[INFO] [stdout] test tests::parse_command_tests::del_valid ... ok
[INFO] [stdout] test tests::parse_command_tests::input_with_leading_trailing_whitespace ... ok
[INFO] [stdout] test tests::parse_command_tests::save_valid ... ok
[INFO] [stdout] test tests::parse_command_tests::save_with_extra_args ... ok
[INFO] [stdout] test tests::parse_command_tests::set_missing_key_and_value ... ok
[INFO] [stdout] test tests::parse_command_tests::set_missing_value ... ok
[INFO] [stdout] test tests::parse_command_tests::set_valid ... ok
[INFO] [stdout] test tests::parse_command_tests::set_value_with_spaces ... ok
[INFO] [stdout] test tests::parse_command_tests::empty_input ... ok
[INFO] [stdout] test tests::parse_command_tests::stats_valid ... ok
[INFO] [stdout] test tests::delete_tests::delete_does_not_affect_other_keys ... ok
[INFO] [stdout] test tests::set_tests::set_multiple_keys ... ok
[INFO] [stdout] test tests::set_tests::set_overwrites_existing_key ... ok
[INFO] [stdout] test tests::parse_command_tests::unknown_command ... ok
[INFO] [stdout] test tests::parse_command_tests::whitespace_only ... ok
[INFO] [stdout] test tests::set_tests::set_new_key ... ok
[INFO] [stdout] test tests::persistence_tests::load_db_from_corrupted_json ... ok
[INFO] [stdout] test tests::parse_command_tests::stats_with_extra_args ... ok
[INFO] [stdout] test tests::get_tests::get_missing_key ... ok
[INFO] [stdout] test tests::persistence_tests::save_empty_db ... FAILED
[INFO] [stdout] test tests::persistence_tests::load_db_from_valid_json ... FAILED
[INFO] [stdout] test tests::persistence_tests::roundtrip_save_and_load ... FAILED
[INFO] [stdout] test tests::persistence_tests::save_creates_valid_json ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::persistence_tests::save_empty_db stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::persistence_tests::save_empty_db' (48) panicked at src/tests.rs:276:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56536d4c9e1a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56536d4c9e1a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56536d4df13a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56536d4df13a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x56536d4ce772 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56536d4ce772 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56536d4a830f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56536d4a830f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56536d4c1b29 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56536d3d349c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x56536d3d349c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x56536d4c1da2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x56536d4c1da2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56536d4a83c8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56536d49d3d9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56536d4a90dd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56536d4df8fc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56536d4df672 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56536d36d64a - <core[d17f6591d688f3bd]::result::Result<(), std[fce30c26ee6459b]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56536d36d64a - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_empty_db::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:276:38
[INFO] [stdout]   22:     0x56536d3726a2 - <core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x56536d37271d - <core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x56536d37a09d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:70
[INFO] [stdout]   25:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::with_budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   26:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   27:     0x56536d379f9b - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:25
[INFO] [stdout]   28:     0x56536d374e50 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Context>::enter::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:451:19
[INFO] [stdout]   29:     0x56536d378f1d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:777:44
[INFO] [stdout]   30:     0x56536d3781c4 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:68
[INFO] [stdout]   31:     0x56536d37f71b - <tokio[c11404f3accf9f50]::runtime::context::scoped::Scoped<tokio[c11404f3accf9f50]::runtime::scheduler::Context>>::set::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   32:     0x56536d366679 - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:38
[INFO] [stdout]   33:     0x56536d3693a2 - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::try_with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   34:     0x56536d368f2e - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   35:     0x56536d36360d - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:17
[INFO] [stdout]   36:     0x56536d377430 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:27
[INFO] [stdout]   37:     0x56536d377726 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:765:24
[INFO] [stdout]   38:     0x56536d377dd0 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:205:33
[INFO] [stdout]   39:     0x56536d38c7a3 - tokio[c11404f3accf9f50]::runtime::context::runtime::enter_runtime::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   40:     0x56536d3745e1 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:193:9
[INFO] [stdout]   41:     0x56536d389044 - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on_inner::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:371:52
[INFO] [stdout]   42:     0x56536d38920f - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:345:18
[INFO] [stdout]   43:     0x56536d370f8e - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_empty_db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:282:28
[INFO] [stdout]   44:     0x56536d36cbc7 - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_empty_db::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:267:29
[INFO] [stdout]   45:     0x56536d3a0496 - <RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_empty_db::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x56536d3c677b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x56536d3c677b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   48:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   49:     0x56536d3d3f6b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   50:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x56536d3d3f6b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   54:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   55:     0x56536d3cd684 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   56:     0x56536d3cd684 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   57:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   58:     0x56536d3d6b72 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   59:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   60:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   61:     0x56536d3d6b72 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   62:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   63:     0x56536d3d6b72 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x56536d4c91ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   65:     0x56536d4c91ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   66:     0x7f7be0337aa4 - <unknown>
[INFO] [stdout]   67:     0x7f7be03c4a64 - clone
[INFO] [stdout]   68:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::persistence_tests::load_db_from_valid_json stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::persistence_tests::load_db_from_valid_json' (45) panicked at src/tests.rs:291:37:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56536d4c9e1a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56536d4c9e1a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56536d4df13a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56536d4df13a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x56536d4ce772 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56536d4ce772 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56536d4a830f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56536d4a830f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56536d4c1b29 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56536d3d349c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x56536d3d349c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x56536d4c1da2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x56536d4c1da2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56536d4a83c8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56536d49d3d9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56536d4a90dd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56536d4df8fc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56536d4df672 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56536d36e08a - <core[d17f6591d688f3bd]::result::Result<(), std[fce30c26ee6459b]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56536d36e08a - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::load_db_from_valid_json::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:291:37
[INFO] [stdout]   22:     0x56536d3726a2 - <core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x56536d37271d - <core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x56536d37a09d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:70
[INFO] [stdout]   25:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::with_budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   26:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   27:     0x56536d379f9b - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:25
[INFO] [stdout]   28:     0x56536d374e50 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Context>::enter::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:451:19
[INFO] [stdout]   29:     0x56536d378f1d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:777:44
[INFO] [stdout]   30:     0x56536d3781c4 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:68
[INFO] [stdout]   31:     0x56536d37f71b - <tokio[c11404f3accf9f50]::runtime::context::scoped::Scoped<tokio[c11404f3accf9f50]::runtime::scheduler::Context>>::set::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   32:     0x56536d366679 - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:38
[INFO] [stdout]   33:     0x56536d3693a2 - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::try_with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   34:     0x56536d368f2e - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   35:     0x56536d36360d - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:17
[INFO] [stdout]   36:     0x56536d377430 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:27
[INFO] [stdout]   37:     0x56536d377726 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:765:24
[INFO] [stdout]   38:     0x56536d377dd0 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:205:33
[INFO] [stdout]   39:     0x56536d38c7a3 - tokio[c11404f3accf9f50]::runtime::context::runtime::enter_runtime::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   40:     0x56536d3745e1 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:193:9
[INFO] [stdout]   41:     0x56536d389044 - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on_inner::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:371:52
[INFO] [stdout]   42:     0x56536d38920f - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:345:18
[INFO] [stdout]   43:     0x56536d37114e - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::load_db_from_valid_json
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:298:28
[INFO] [stdout]   44:     0x56536d36cbf7 - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::load_db_from_valid_json::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:286:39
[INFO] [stdout]   45:     0x56536d3a04d6 - <RustyKV[b7bababaaffddbbd]::tests::persistence_tests::load_db_from_valid_json::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x56536d3c677b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x56536d3c677b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   48:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   49:     0x56536d3d3f6b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   50:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x56536d3d3f6b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   54:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   55:     0x56536d3cd684 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   56:     0x56536d3cd684 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   57:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   58:     0x56536d3d6b72 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   59:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   60:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   61:     0x56536d3d6b72 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   62:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   63:     0x56536d3d6b72 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x56536d4c91ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   65:     0x56536d4c91ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   66:     0x7f7be0337aa4 - <unknown>
[INFO] [stdout]   67:     0x7f7be03c4a64 - clone
[INFO] [stdout]   68:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::persistence_tests::roundtrip_save_and_load stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::persistence_tests::roundtrip_save_and_load' (46) panicked at src/tests.rs:320:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56536d4c9e1a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56536d4c9e1a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56536d4df13a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56536d4df13a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x56536d4ce772 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56536d4ce772 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56536d4a830f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56536d4a830f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56536d4c1b29 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56536d3d349c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x56536d3d349c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x56536d4c1da2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x56536d4c1da2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56536d4a83c8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56536d49d3d9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56536d4a90dd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56536d4df8fc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56536d4df672 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56536d36f0ce - <core[d17f6591d688f3bd]::result::Result<(), std[fce30c26ee6459b]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56536d36f0ce - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::roundtrip_save_and_load::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:320:38
[INFO] [stdout]   22:     0x56536d3726a2 - <core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x56536d37271d - <core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x56536d37a09d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:70
[INFO] [stdout]   25:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::with_budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   26:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   27:     0x56536d379f9b - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:25
[INFO] [stdout]   28:     0x56536d374e50 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Context>::enter::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:451:19
[INFO] [stdout]   29:     0x56536d378f1d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:777:44
[INFO] [stdout]   30:     0x56536d3781c4 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:68
[INFO] [stdout]   31:     0x56536d37f71b - <tokio[c11404f3accf9f50]::runtime::context::scoped::Scoped<tokio[c11404f3accf9f50]::runtime::scheduler::Context>>::set::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   32:     0x56536d366679 - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:38
[INFO] [stdout]   33:     0x56536d3693a2 - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::try_with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   34:     0x56536d368f2e - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   35:     0x56536d36360d - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:17
[INFO] [stdout]   36:     0x56536d377430 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:27
[INFO] [stdout]   37:     0x56536d377726 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:765:24
[INFO] [stdout]   38:     0x56536d377dd0 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:205:33
[INFO] [stdout]   39:     0x56536d38c7a3 - tokio[c11404f3accf9f50]::runtime::context::runtime::enter_runtime::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   40:     0x56536d3745e1 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:193:9
[INFO] [stdout]   41:     0x56536d389044 - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on_inner::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:371:52
[INFO] [stdout]   42:     0x56536d38920f - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:345:18
[INFO] [stdout]   43:     0x56536d371311 - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::roundtrip_save_and_load
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:329:28
[INFO] [stdout]   44:     0x56536d36cc27 - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::roundtrip_save_and_load::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:309:39
[INFO] [stdout]   45:     0x56536d3a0516 - <RustyKV[b7bababaaffddbbd]::tests::persistence_tests::roundtrip_save_and_load::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x56536d3c677b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x56536d3c677b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   48:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   49:     0x56536d3d3f6b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   50:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x56536d3d3f6b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   54:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   55:     0x56536d3cd684 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   56:     0x56536d3cd684 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   57:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   58:     0x56536d3d6b72 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   59:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   60:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   61:     0x56536d3d6b72 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   62:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   63:     0x56536d3d6b72 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x56536d4c91ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   65:     0x56536d4c91ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   66:     0x7f7be0337aa4 - <unknown>
[INFO] [stdout]   67:     0x7f7be03c4a64 - clone
[INFO] [stdout]   68:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::persistence_tests::save_creates_valid_json stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::persistence_tests::save_creates_valid_json' (47) panicked at src/tests.rs:256:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56536d4c9e1a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56536d4c9e1a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56536d4c9e1a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56536d4df13a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56536d4df13a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x56536d4ce772 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56536d4ce772 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56536d4a830f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56536d4a830f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56536d4c1b29 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56536d3d349c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x56536d3d349c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x56536d4c1da2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x56536d4c1da2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56536d4a83c8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56536d49d3d9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56536d4a90dd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56536d4df8fc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56536d4df672 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56536d37019b - <core[d17f6591d688f3bd]::result::Result<(), std[fce30c26ee6459b]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56536d37019b - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_creates_valid_json::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:256:38
[INFO] [stdout]   22:     0x56536d3726a2 - <core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x56536d37271d - <core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>> as core[d17f6591d688f3bd]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x56536d37a09d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:70
[INFO] [stdout]   25:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::with_budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   26:     0x56536d379f9b - tokio[c11404f3accf9f50]::task::coop::budget::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   27:     0x56536d379f9b - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:778:25
[INFO] [stdout]   28:     0x56536d374e50 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Context>::enter::<core[d17f6591d688f3bd]::task::poll::Poll<()>, <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:451:19
[INFO] [stdout]   29:     0x56536d378f1d - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:777:44
[INFO] [stdout]   30:     0x56536d3781c4 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:68
[INFO] [stdout]   31:     0x56536d37f71b - <tokio[c11404f3accf9f50]::runtime::context::scoped::Scoped<tokio[c11404f3accf9f50]::runtime::scheduler::Context>>::set::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   32:     0x56536d366679 - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:38
[INFO] [stdout]   33:     0x56536d3693a2 - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::try_with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   34:     0x56536d368f2e - <std[fce30c26ee6459b]::thread::local::LocalKey<tokio[c11404f3accf9f50]::runtime::context::Context>>::with::<tokio[c11404f3accf9f50]::runtime::context::set_scheduler<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   35:     0x56536d36360d - tokio[c11404f3accf9f50]::runtime::context::set_scheduler::<(alloc[dad09f3a48280dba]::boxed::Box<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::Core>, core[d17f6591d688f3bd]::option::Option<()>), <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context.rs:181:17
[INFO] [stdout]   36:     0x56536d377430 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>::{closure#0}, core[d17f6591d688f3bd]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:865:27
[INFO] [stdout]   37:     0x56536d377726 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:765:24
[INFO] [stdout]   38:     0x56536d377dd0 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:205:33
[INFO] [stdout]   39:     0x56536d38c7a3 - tokio[c11404f3accf9f50]::runtime::context::runtime::enter_runtime::<<tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   40:     0x56536d3745e1 - <tokio[c11404f3accf9f50]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/scheduler/current_thread/mod.rs:193:9
[INFO] [stdout]   41:     0x56536d389044 - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on_inner::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:371:52
[INFO] [stdout]   42:     0x56536d38920f - <tokio[c11404f3accf9f50]::runtime::runtime::Runtime>::block_on::<core[d17f6591d688f3bd]::pin::Pin<&mut dyn core[d17f6591d688f3bd]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/runtime/runtime.rs:345:18
[INFO] [stdout]   43:     0x56536d3714ce - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_creates_valid_json
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:263:28
[INFO] [stdout]   44:     0x56536d36cc57 - RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_creates_valid_json::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:247:39
[INFO] [stdout]   45:     0x56536d3a0556 - <RustyKV[b7bababaaffddbbd]::tests::persistence_tests::save_creates_valid_json::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x56536d3c677b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x56536d3c677b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   48:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   49:     0x56536d3d3f6b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   50:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x56536d3d3f6b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x56536d3d3f6b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   54:     0x56536d3d3f6b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   55:     0x56536d3cd684 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   56:     0x56536d3cd684 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   57:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   58:     0x56536d3d6b72 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   59:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   60:     0x56536d3d6b72 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   61:     0x56536d3d6b72 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   62:     0x56536d3d6b72 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   63:     0x56536d3d6b72 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x56536d4c91ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   65:     0x56536d4c91ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   66:     0x7f7be0337aa4 - <unknown>
[INFO] [stdout]   67:     0x7f7be03c4a64 - clone
[INFO] [stdout]   68:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::persistence_tests::load_db_from_valid_json
[INFO] [stdout]     tests::persistence_tests::roundtrip_save_and_load
[INFO] [stdout]     tests::persistence_tests::save_creates_valid_json
[INFO] [stdout]     tests::persistence_tests::save_empty_db
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 30 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin RustyKV`
[INFO] running `Command { std: "docker" "inspect" "a59927430510941452f4f6e0f60f951adc959d1ccf81681aaa617937a8afab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59927430510941452f4f6e0f60f951adc959d1ccf81681aaa617937a8afab39", kill_on_drop: false }`
[INFO] [stdout] a59927430510941452f4f6e0f60f951adc959d1ccf81681aaa617937a8afab39
