[INFO] fetching crate mu_db 0.0.1...
[INFO] testing mu_db-0.0.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate mu_db 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mu_db 0.0.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mu_db 0.0.1
[INFO] finished tweaking crates.io crate mu_db 0.0.1
[INFO] tweaked toml for crates.io crate mu_db 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mu_db 0.0.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c38aeb071714ff2c9e417ea534358690d2fbf12a2a02ac2c7f1453c53758315
[INFO] running `Command { std: "docker" "start" "-a" "1c38aeb071714ff2c9e417ea534358690d2fbf12a2a02ac2c7f1453c53758315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c38aeb071714ff2c9e417ea534358690d2fbf12a2a02ac2c7f1453c53758315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c38aeb071714ff2c9e417ea534358690d2fbf12a2a02ac2c7f1453c53758315", kill_on_drop: false }`
[INFO] [stdout] 1c38aeb071714ff2c9e417ea534358690d2fbf12a2a02ac2c7f1453c53758315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6186d6172cebf938f77e3bf816473e3546c581d08ebe436e987c42a4c992af04
[INFO] running `Command { std: "docker" "start" "-a" "6186d6172cebf938f77e3bf816473e3546c581d08ebe436e987c42a4c992af04", kill_on_drop: false }`
[INFO] [stderr]    Compiling mu_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "6186d6172cebf938f77e3bf816473e3546c581d08ebe436e987c42a4c992af04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6186d6172cebf938f77e3bf816473e3546c581d08ebe436e987c42a4c992af04", kill_on_drop: false }`
[INFO] [stdout] 6186d6172cebf938f77e3bf816473e3546c581d08ebe436e987c42a4c992af04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b905958d3bcc5e2c9ad5abc063cbff4ac699fb0012ceef865053d04e971426b2
[INFO] running `Command { std: "docker" "start" "-a" "b905958d3bcc5e2c9ad5abc063cbff4ac699fb0012ceef865053d04e971426b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mu_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b905958d3bcc5e2c9ad5abc063cbff4ac699fb0012ceef865053d04e971426b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b905958d3bcc5e2c9ad5abc063cbff4ac699fb0012ceef865053d04e971426b2", kill_on_drop: false }`
[INFO] [stdout] b905958d3bcc5e2c9ad5abc063cbff4ac699fb0012ceef865053d04e971426b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de70f39401968e88e7283cc2e9c867595d996c203f5fcf442947a133500886ca
[INFO] running `Command { std: "docker" "start" "-a" "de70f39401968e88e7283cc2e9c867595d996c203f5fcf442947a133500886ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mu_db-f5a33f93675cf1ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mu_db-4e95ddc98ddec791)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mu_db
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - DataBase::new (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::buf_len (line 279) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::set_buf_len (line 298) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::clear_all (line 153) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::insert (line 108) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::write_at (line 231) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::get (line 122) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::is_buf_empty (line 267) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::remove (line 141) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::read_at (line 215) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::shrink (line 170) ... FAILED
[INFO] [stdout] test src/lib.rs - DataBase::is_empty (line 248) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::new (line 72) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x558d392af7e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x558d392af7e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558d392af7e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x558d392af7e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558d392cccfb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x558d392cccfb - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x558d392ad97f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x558d392af5be - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558d392af5be - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558d392b0929 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x558d392b066d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x558d392b0dc3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x558d392b0ca4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x558d392afca9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x558d392b09d7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x558d39289b63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x558d39289f76 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x558d39294a4d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x558d39294a4d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x558d3928a3db - rust_out::main::_doctest_main_src_lib_rs_72_0::h9ead2904749fa909
[INFO] [stdout]   20:     0x558d3928a3b6 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x558d3928a2e3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x558d3928a226 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x558d3928a279 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x558d392ab54d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x558d392ab54d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x558d392ab54d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x558d392ab54d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x558d392ab54d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x558d392ab54d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x558d392ab54d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x558d392ab54d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x558d392ab54d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x558d3928a257 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x558d3928a405 - main
[INFO] [stdout]   35:     0x7f0dcb17fd90 - <unknown>
[INFO] [stdout]   36:     0x7f0dcb17fe40 - __libc_start_main
[INFO] [stdout]   37:     0x558d3928a155 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::buf_len (line 279) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x56437c5a2795 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x56437c5a2795 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56437c5a2795 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56437c5a2795 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56437c5bfe1b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x56437c5bfe1b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x56437c5a092f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x56437c5a256e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56437c5a256e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56437c5a38d9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x56437c5a361d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x56437c5a3d73 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x56437c5a3c54 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x56437c5a2c59 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x56437c5a3987 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x56437c573c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x56437c574076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x56437c584cbd - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x56437c584cbd - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x56437c574646 - rust_out::main::_doctest_main_src_lib_rs_279_0::h687fabb1962f95f0
[INFO] [stdout]   20:     0x56437c574616 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x56437c5744f3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x56437c5743a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x56437c5743f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x56437c59e28d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x56437c59e28d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x56437c59e28d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x56437c59e28d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x56437c59e28d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x56437c59e28d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x56437c59e28d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x56437c59e28d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x56437c59e28d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x56437c5743d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x56437c574815 - main
[INFO] [stdout]   35:     0x7f3b772bdd90 - <unknown>
[INFO] [stdout]   36:     0x7f3b772bde40 - __libc_start_main
[INFO] [stdout]   37:     0x56437c5742d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::set_buf_len (line 298) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x555bfad3d8d5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x555bfad3d8d5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555bfad3d8d5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x555bfad3d8d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555bfad5af5b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x555bfad5af5b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x555bfad3ba6f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x555bfad3d6ae - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555bfad3d6ae - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555bfad3ea19 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x555bfad3e75d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x555bfad3eeb3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x555bfad3ed94 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x555bfad3dd99 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x555bfad3eac7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x555bfad0ec63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x555bfad0f076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x555bfad1fddd - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x555bfad1fddd - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x555bfad0f646 - rust_out::main::_doctest_main_src_lib_rs_298_0::h1c7d184c1d8a7eda
[INFO] [stdout]   20:     0x555bfad0f616 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x555bfad0f4f3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x555bfad0f3a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x555bfad0f3f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x555bfad393cd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x555bfad393cd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x555bfad393cd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x555bfad393cd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x555bfad393cd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x555bfad393cd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x555bfad393cd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x555bfad393cd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x555bfad393cd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x555bfad0f3d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x555bfad0f935 - main
[INFO] [stdout]   35:     0x7f9bb0a3fd90 - <unknown>
[INFO] [stdout]   36:     0x7f9bb0a3fe40 - __libc_start_main
[INFO] [stdout]   37:     0x555bfad0f2d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::clear_all (line 153) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x5652244cf775 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5652244cf775 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5652244cf775 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5652244cf775 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5652244ecdfb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5652244ecdfb - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5652244cd90f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5652244cf54e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5652244cf54e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5652244d08b9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5652244d05fd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x5652244d0d53 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x5652244d0c34 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x5652244cfc39 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5652244d0967 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x5652244a0c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5652244a1076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x5652244b1c5d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x5652244b1c5d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x5652244a1566 - rust_out::main::_doctest_main_src_lib_rs_153_0::h5bae0f384ca54829
[INFO] [stdout]   20:     0x5652244a1536 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x5652244a1463 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x5652244a13a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x5652244a13f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x5652244cb26d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x5652244cb26d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x5652244cb26d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x5652244cb26d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x5652244cb26d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x5652244cb26d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x5652244cb26d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x5652244cb26d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x5652244cb26d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x5652244a13d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x5652244a17b5 - main
[INFO] [stdout]   35:     0x7f40637bbd90 - <unknown>
[INFO] [stdout]   36:     0x7f40637bbe40 - __libc_start_main
[INFO] [stdout]   37:     0x5652244a12d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::insert (line 108) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x5567ecc6dee5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5567ecc6dee5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5567ecc6dee5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5567ecc6dee5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5567ecc8b56b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5567ecc8b56b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5567ecc6c07f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5567ecc6dcbe - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5567ecc6dcbe - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5567ecc6f029 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5567ecc6ed6d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x5567ecc6f4c3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x5567ecc6f3a4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x5567ecc6e3a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5567ecc6f0d7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x5567ecc3dc63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5567ecc3e076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x5567ecc508bd - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x5567ecc508bd - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x5567ecc3ea56 - rust_out::main::_doctest_main_src_lib_rs_108_0::h86d3891259f39e50
[INFO] [stdout]   20:     0x5567ecc3ea26 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x5567ecc3e4c3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x5567ecc3e3a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x5567ecc3e3f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x5567ecc69a1d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x5567ecc69a1d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x5567ecc69a1d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x5567ecc69a1d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x5567ecc69a1d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x5567ecc69a1d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x5567ecc69a1d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x5567ecc69a1d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x5567ecc69a1d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x5567ecc3e3d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x5567ecc3ec25 - main
[INFO] [stdout]   35:     0x7f6543b20d90 - <unknown>
[INFO] [stdout]   36:     0x7f6543b20e40 - __libc_start_main
[INFO] [stdout]   37:     0x5567ecc3e2d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x560a3645b4e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x560a3645b4e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560a3645b4e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560a3645b4e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560a36478b6b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x560a36478b6b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x560a3645967f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x560a3645b2be - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560a3645b2be - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560a3645c629 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x560a3645c36d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x560a3645cac3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x560a3645c9a4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x560a3645b9a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x560a3645c6d7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x560a36427c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x560a36428076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x560a3643c13d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x560a3643c13d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x560a36428b76 - rust_out::main::_doctest_main_src_lib_rs_9_0::h059173a121d3a34b
[INFO] [stdout]   20:     0x560a36428b46 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x560a36428553 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x560a364283a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x560a364283f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x560a36456efd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x560a36456efd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x560a36456efd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x560a36456efd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x560a36456efd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x560a36456efd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x560a36456efd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x560a36456efd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x560a36456efd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x560a364283d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x560a364293e5 - main
[INFO] [stdout]   35:     0x7f7f06b5cd90 - <unknown>
[INFO] [stdout]   36:     0x7f7f06b5ce40 - __libc_start_main
[INFO] [stdout]   37:     0x560a364282d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::write_at (line 231) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x555990c68545 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x555990c68545 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555990c68545 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x555990c68545 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555990c85b3b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x555990c85b3b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x555990c666df - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x555990c6831e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555990c6831e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555990c69689 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x555990c693cd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x555990c69b23 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x555990c69a04 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x555990c68a09 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x555990c69737 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x555990c3db83 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x555990c3df96 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x555990c4c19d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x555990c4c19d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x555990c3e756 - rust_out::main::_doctest_main_src_lib_rs_231_0::he7bd14536b785c26
[INFO] [stdout]   20:     0x555990c3e726 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x555990c3e353 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x555990c3e246 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x555990c3e299 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x555990c6407d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x555990c6407d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x555990c6407d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x555990c6407d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x555990c6407d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x555990c6407d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x555990c6407d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x555990c6407d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x555990c6407d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x555990c3e277 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x555990c3eaf5 - main
[INFO] [stdout]   35:     0x7f0e9b387d90 - <unknown>
[INFO] [stdout]   36:     0x7f0e9b387e40 - __libc_start_main
[INFO] [stdout]   37:     0x555990c3e175 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::get (line 122) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x558269ad9eb5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x558269ad9eb5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558269ad9eb5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x558269ad9eb5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558269af753b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x558269af753b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x558269ad804f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x558269ad9c8e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558269ad9c8e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558269adaff9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x558269adad3d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x558269adb493 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x558269adb374 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x558269ada379 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x558269adb0a7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x558269aa9c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x558269aaa076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x558269abc88d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x558269abc88d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x558269aaaa56 - rust_out::main::_doctest_main_src_lib_rs_122_0::h9227ed4ed80d634f
[INFO] [stdout]   20:     0x558269aaaa26 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x558269aaa4c3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x558269aaa3a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x558269aaa3f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x558269ad59ed - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x558269ad59ed - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x558269ad59ed - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x558269ad59ed - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x558269ad59ed - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x558269ad59ed - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x558269ad59ed - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x558269ad59ed - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x558269ad59ed - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x558269aaa3d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x558269aaabf5 - main
[INFO] [stdout]   35:     0x7f98a7232d90 - <unknown>
[INFO] [stdout]   36:     0x7f98a7232e40 - __libc_start_main
[INFO] [stdout]   37:     0x558269aaa2d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::is_buf_empty (line 267) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x562766f72635 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x562766f72635 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562766f72635 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x562766f72635 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x562766f8fcbb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x562766f8fcbb - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x562766f707cf - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x562766f7240e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x562766f7240e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x562766f73779 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x562766f734bd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x562766f73c13 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x562766f73af4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x562766f72af9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x562766f73827 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x562766f43c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x562766f44076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x562766f54b3d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x562766f54b3d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x562766f44563 - rust_out::main::_doctest_main_src_lib_rs_267_0::h859cf62da272252a
[INFO] [stdout]   20:     0x562766f44536 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x562766f44463 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x562766f443a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x562766f443f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x562766f6e12d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x562766f6e12d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x562766f6e12d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x562766f6e12d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x562766f6e12d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x562766f6e12d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x562766f6e12d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x562766f6e12d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x562766f6e12d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x562766f443d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x562766f44695 - main
[INFO] [stdout]   35:     0x7f6e707bcd90 - <unknown>
[INFO] [stdout]   36:     0x7f6e707bce40 - __libc_start_main
[INFO] [stdout]   37:     0x562766f442d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::remove (line 141) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x55bca42f1195 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55bca42f1195 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55bca42f1195 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55bca42f1195 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55bca430e81b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55bca430e81b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55bca42ef32f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55bca42f0f6e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55bca42f0f6e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55bca42f22d9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55bca42f201d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x55bca42f2773 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x55bca42f2654 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x55bca42f1659 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55bca42f2387 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x55bca42c0c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55bca42c1076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x55bca42d396d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x55bca42d396d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x55bca42c1a56 - rust_out::main::_doctest_main_src_lib_rs_141_0::h7f57c5119875eedb
[INFO] [stdout]   20:     0x55bca42c1a26 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x55bca42c14c3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x55bca42c13a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x55bca42c13f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x55bca42ecccd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55bca42ecccd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x55bca42ecccd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x55bca42ecccd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x55bca42ecccd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x55bca42ecccd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x55bca42ecccd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x55bca42ecccd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x55bca42ecccd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x55bca42c13d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x55bca42c1cd5 - main
[INFO] [stdout]   35:     0x7f085dbb2d90 - <unknown>
[INFO] [stdout]   36:     0x7f085dbb2e40 - __libc_start_main
[INFO] [stdout]   37:     0x55bca42c12d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::read_at (line 215) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x56288f122425 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x56288f122425 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56288f122425 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56288f122425 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56288f13faab - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x56288f13faab - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x56288f1205bf - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x56288f1221fe - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56288f1221fe - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56288f123569 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x56288f1232ad - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x56288f123a03 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x56288f1238e4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x56288f1228e9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x56288f123617 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x56288f0f1c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x56288f0f2076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x56288f10478d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x56288f10478d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x56288f0f28b6 - rust_out::main::_doctest_main_src_lib_rs_215_0::h0168b840cea0a903
[INFO] [stdout]   20:     0x56288f0f2886 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x56288f0f24b3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x56288f0f23a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x56288f0f23f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x56288f11df5d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x56288f11df5d - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x56288f11df5d - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x56288f11df5d - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x56288f11df5d - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x56288f11df5d - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x56288f11df5d - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x56288f11df5d - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x56288f11df5d - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x56288f0f23d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x56288f0f2b95 - main
[INFO] [stdout]   35:     0x7f4217a45d90 - <unknown>
[INFO] [stdout]   36:     0x7f4217a45e40 - __libc_start_main
[INFO] [stdout]   37:     0x56288f0f22d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::shrink (line 170) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x5614a02f09b5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5614a02f09b5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5614a02f09b5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5614a02f09b5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5614a030e1db - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5614a030e1db - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5614a02eeb4f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5614a02f078e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5614a02f078e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5614a02f1af9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x5614a02f183d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x5614a02f1f93 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x5614a02f1e74 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x5614a02f0e79 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5614a02f1ba7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x5614a02bdc63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5614a02be076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x5614a02d1a0d - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x5614a02d1a0d - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x5614a02be826 - rust_out::main::_doctest_main_src_lib_rs_170_0::h9e72c20bee3f6642
[INFO] [stdout]   20:     0x5614a02be7f6 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x5614a02be4f3 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x5614a02be3a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x5614a02be3f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x5614a02ec3cd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x5614a02ec3cd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x5614a02ec3cd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x5614a02ec3cd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x5614a02ec3cd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x5614a02ec3cd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x5614a02ec3cd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x5614a02ec3cd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x5614a02ec3cd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x5614a02be3d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x5614a02bede5 - main
[INFO] [stdout]   35:     0x7f64d5debd90 - <unknown>
[INFO] [stdout]   36:     0x7f64d5debe40 - __libc_start_main
[INFO] [stdout]   37:     0x5614a02be2d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataBase::is_empty (line 248) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:82:14:
[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:     0x565034c743c5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x565034c743c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565034c743c5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x565034c743c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565034c91a4b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x565034c91a4b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x565034c7255f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x565034c7419e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x565034c7419e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x565034c75509 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x565034c7524d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x565034c759a3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x565034c75884 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   13:     0x565034c74889 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x565034c755b7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x565034c41c63 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x565034c42076 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   17:     0x565034c553dd - core::result::Result<T,E>::unwrap::hd9fd8003f0105666
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x565034c553dd - mu_db::DataBase::new::h6da194a951ac5ca1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:77:20
[INFO] [stdout]   19:     0x565034c42563 - rust_out::main::_doctest_main_src_lib_rs_248_0::he64b2f55d4d3852c
[INFO] [stdout]   20:     0x565034c42536 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x565034c42463 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x565034c423a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x565034c423f9 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x565034c6fddd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x565034c6fddd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x565034c6fddd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x565034c6fddd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x565034c6fddd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x565034c6fddd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x565034c6fddd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x565034c6fddd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x565034c6fddd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x565034c423d7 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x565034c427b5 - main
[INFO] [stdout]   35:     0x7ff5a5a9ed90 - <unknown>
[INFO] [stdout]   36:     0x7ff5a5a9ee40 - __libc_start_main
[INFO] [stdout]   37:     0x565034c422d5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout]     src/lib.rs - DataBase::buf_len (line 279)
[INFO] [stdout]     src/lib.rs - DataBase::clear_all (line 153)
[INFO] [stdout]     src/lib.rs - DataBase::get (line 122)
[INFO] [stdout]     src/lib.rs - DataBase::insert (line 108)
[INFO] [stdout]     src/lib.rs - DataBase::is_buf_empty (line 267)
[INFO] [stdout]     src/lib.rs - DataBase::is_empty (line 248)
[INFO] [stdout]     src/lib.rs - DataBase::new (line 72)
[INFO] [stdout]     src/lib.rs - DataBase::read_at (line 215)
[INFO] [stdout]     src/lib.rs - DataBase::remove (line 141)
[INFO] [stdout]     src/lib.rs - DataBase::set_buf_len (line 298)
[INFO] [stdout]     src/lib.rs - DataBase::shrink (line 170)
[INFO] [stdout]     src/lib.rs - DataBase::write_at (line 231)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 13 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "de70f39401968e88e7283cc2e9c867595d996c203f5fcf442947a133500886ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de70f39401968e88e7283cc2e9c867595d996c203f5fcf442947a133500886ca", kill_on_drop: false }`
[INFO] [stdout] de70f39401968e88e7283cc2e9c867595d996c203f5fcf442947a133500886ca
