[INFO] crate flumedb 0.1.3 is already in cache
[INFO] testing flumedb-0.1.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate flumedb 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flumedb 0.1.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flumedb 0.1.3
[INFO] finished tweaking crates.io crate flumedb 0.1.3
[INFO] tweaked toml for crates.io crate flumedb 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0d7334ed6b43542b293ce922ca7c6ba51ca5bce9c247045872eeb2a253f67ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0d7334ed6b43542b293ce922ca7c6ba51ca5bce9c247045872eeb2a253f67ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d7334ed6b43542b293ce922ca7c6ba51ca5bce9c247045872eeb2a253f67ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d7334ed6b43542b293ce922ca7c6ba51ca5bce9c247045872eeb2a253f67ee", kill_on_drop: false }`
[INFO] [stdout] c0d7334ed6b43542b293ce922ca7c6ba51ca5bce9c247045872eeb2a253f67ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e284e5a6624d292028a248f0a9fef8168b26192e57d314e3a3c6de71136573fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e284e5a6624d292028a248f0a9fef8168b26192e57d314e3a3c6de71136573fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffered_offset_reader v0.6.0
[INFO] [stderr]    Compiling bidir_iter v0.2.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sodiumoxide v0.2.6
[INFO] [stderr]    Compiling ssb-crypto v0.1.4
[INFO] [stderr]    Compiling ssb-multiformats v0.1.0
[INFO] [stderr]    Compiling flumedb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "e284e5a6624d292028a248f0a9fef8168b26192e57d314e3a3c6de71136573fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e284e5a6624d292028a248f0a9fef8168b26192e57d314e3a3c6de71136573fa", kill_on_drop: false }`
[INFO] [stdout] e284e5a6624d292028a248f0a9fef8168b26192e57d314e3a3c6de71136573fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae0d137439c2bfc94e09794cfe2abe64b081f18395c5f7e5018c0e3d61b5e15c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae0d137439c2bfc94e09794cfe2abe64b081f18395c5f7e5018c0e3d61b5e15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling flumedb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "ae0d137439c2bfc94e09794cfe2abe64b081f18395c5f7e5018c0e3d61b5e15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0d137439c2bfc94e09794cfe2abe64b081f18395c5f7e5018c0e3d61b5e15c", kill_on_drop: false }`
[INFO] [stdout] ae0d137439c2bfc94e09794cfe2abe64b081f18395c5f7e5018c0e3d61b5e15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d6ba00ff3999ffcd16be3c206a3d423a9c14e9004db308db25c151b6ab36a20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d6ba00ff3999ffcd16be3c206a3d423a9c14e9004db308db25c151b6ab36a20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flumedb-f4ff5e1aee1513de
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test offset_log::test::encode_multi_u64 ... ok
[INFO] [stdout] test offset_log::test::multiple ... ok
[INFO] [stdout] test offset_log::test::arbitrary_read_and_write_to_a_file ... ok
[INFO] [stdout] test offset_log::test::multiple_u64 ... ok
[INFO] [stdout] test offset_log::test::encode_multi ... ok
[INFO] [stdout] test offset_log::test::simple ... ok
[INFO] [stdout] test offset_log::test::simple_encode ... ok
[INFO] [stdout] test offset_log::test::simple_encode_u64 ... ok
[INFO] [stdout] test offset_log::test::batch_write_to_a_file ... ok
[INFO] [stdout] test offset_log::test::simple_u64 ... ok
[INFO] [stdout] test offset_log::test::write_to_a_file ... ok
[INFO] [stdout] test mem_log::tests::clear ... ok
[INFO] [stdout] test mem_log::tests::get ... ok
[INFO] [stdout] test offset_log::test::read_incomplete_entry ... ok
[INFO] [stdout] test offset_log::test::open_read_only ... ok
[INFO] [stdout] test mem_log::tests::iter ... ok
[INFO] [stdout] test offset_log::test::read_very_incomplete_entry ... ok
[INFO] [stdout] test offset_log::test::bidir_iter ... ok
[INFO] [stdout] test offset_log::test::errors_with_bad_next_offset_value ... ok
[INFO] [stdout] test offset_log::test::errors_with_bad_second_size_valuen ... ok
[INFO] [stdout] test go_offset_log::test::open_ro ... ok
[INFO] [stdout] test go_offset_log::test::ssb_messages ... FAILED
[INFO] [stdout] test go_offset_log::test::open_empty ... FAILED
[INFO] [stdout] test offset_log::test::offset_log_as_iter ... FAILED
[INFO] [stdout] test offset_log::test::read_from_a_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- go_offset_log::test::ssb_messages stdout ----
[INFO] [stdout] thread 'go_offset_log::test::ssb_messages' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: flumedb::go_offset_log::GoOffsetLog::new
[INFO] [stdout]              at src/go_offset_log.rs:101
[INFO] [stdout]    5: flumedb::go_offset_log::test::ssb_messages
[INFO] [stdout]              at src/go_offset_log.rs:302
[INFO] [stdout]    6: flumedb::go_offset_log::test::ssb_messages::{{closure}}
[INFO] [stdout]              at src/go_offset_log.rs:299
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:450
[INFO] [stdout]    9: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   10: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   12: start_thread
[INFO] [stdout]   13: clone
[INFO] [stdout] ', src/go_offset_log.rs:302:19
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560c74bd81d5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560c74bd81d5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560c74bd81d5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560c74bd81d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560c74c00f0c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x560c74a0e715 - std::io::Write::write_fmt::ha866504c9998fe5e
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x560c74bd23e1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8f0a2af895559593
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x560c74bdaaf0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560c74bdaaf0 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560c74bdaaf0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560c74bda7ea - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560c74bdb127 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x560c74bdad2b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x560c74bff5f1 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x560c74bff413 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x560c74a01721 - core::result::Result<T,E>::unwrap::h907cc9704c882ab1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x560c74a066a3 - flumedb::go_offset_log::test::ssb_messages::hf5da7eb8bf196c36
[INFO] [stdout]                                at src/go_offset_log.rs:302
[INFO] [stdout]   17:     0x560c74a065da - flumedb::go_offset_log::test::ssb_messages::{{closure}}::h9d89c15824d0e7e0
[INFO] [stdout]                                at src/go_offset_log.rs:299
[INFO] [stdout]   18:     0x560c749de8ae - core::ops::function::FnOnce::call_once::hcb795f5c37664b6f
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x560c74a35902 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1efcc6525b6aa145
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x560c74a35902 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x560c74a35902 - std::panicking::try::do_call::h83baf26f5fc8b0a5
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x560c74a35902 - std::panicking::try::h8d28a678b90bb6ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x560c74a35902 - std::panic::catch_unwind::h20734e8710644f59
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x560c74a35902 - test::run_test_in_process::h2c1fb2dd0c9013bb
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x560c74a35902 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x560c74a0dbd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x560c74a12f15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x560c74a12f15 - std::panicking::try::do_call::hcc5472a0f1ff31ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x560c74a12f15 - std::panicking::try::h774b0c4fd770945c
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x560c74a12f15 - std::panic::catch_unwind::hfaf7c6beb53320e7
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x560c74a12f15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf311c88f1fadb9b8
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8cfb7235b81393ef
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x560c74be192a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f3b159eb609 - start_thread
[INFO] [stdout]   38:     0x7f3b158f7103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- go_offset_log::test::open_empty stdout ----
[INFO] [stdout] thread 'go_offset_log::test::open_empty' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: flumedb::go_offset_log::GoOffsetLog::new
[INFO] [stdout]              at src/go_offset_log.rs:101
[INFO] [stdout]    5: flumedb::go_offset_log::test::open_empty
[INFO] [stdout]              at src/go_offset_log.rs:292
[INFO] [stdout]    6: flumedb::go_offset_log::test::open_empty::{{closure}}
[INFO] [stdout]              at src/go_offset_log.rs:289
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:450
[INFO] [stdout]    9: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   10: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   12: start_thread
[INFO] [stdout]   13: clone
[INFO] [stdout] ', src/go_offset_log.rs:292:19
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560c74bd81d5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560c74bd81d5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560c74bd81d5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560c74bd81d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560c74c00f0c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x560c74a0e715 - std::io::Write::write_fmt::ha866504c9998fe5e
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x560c74bd23e1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8f0a2af895559593
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x560c74bdaaf0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560c74bdaaf0 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560c74bdaaf0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560c74bda7ea - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560c74bdb127 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x560c74bdad2b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x560c74bff5f1 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x560c74bff413 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x560c74a01721 - core::result::Result<T,E>::unwrap::h907cc9704c882ab1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x560c74a0630a - flumedb::go_offset_log::test::open_empty::hf11f5db0b0c39cdc
[INFO] [stdout]                                at src/go_offset_log.rs:292
[INFO] [stdout]   17:     0x560c74a0624a - flumedb::go_offset_log::test::open_empty::{{closure}}::hdf5b5bcf4edc2b7a
[INFO] [stdout]                                at src/go_offset_log.rs:289
[INFO] [stdout]   18:     0x560c749de81e - core::ops::function::FnOnce::call_once::h844294f45c52d29a
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x560c74a35902 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1efcc6525b6aa145
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x560c74a35902 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x560c74a35902 - std::panicking::try::do_call::h83baf26f5fc8b0a5
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x560c74a35902 - std::panicking::try::h8d28a678b90bb6ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x560c74a35902 - std::panic::catch_unwind::h20734e8710644f59
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x560c74a35902 - test::run_test_in_process::h2c1fb2dd0c9013bb
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x560c74a35902 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x560c74a0dbd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x560c74a12f15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x560c74a12f15 - std::panicking::try::do_call::hcc5472a0f1ff31ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x560c74a12f15 - std::panicking::try::h774b0c4fd770945c
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x560c74a12f15 - std::panic::catch_unwind::hfaf7c6beb53320e7
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x560c74a12f15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf311c88f1fadb9b8
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8cfb7235b81393ef
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x560c74be192a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f3b159eb609 - start_thread
[INFO] [stdout]   38:     0x7f3b158f7103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- offset_log::test::offset_log_as_iter stdout ----
[INFO] [stdout] thread 'offset_log::test::offset_log_as_iter' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: flumedb::offset_log::OffsetLog<ByteType>::new
[INFO] [stdout]              at src/offset_log.rs:58
[INFO] [stdout]    5: flumedb::offset_log::test::offset_log_as_iter
[INFO] [stdout]              at src/offset_log.rs:658
[INFO] [stdout]    6: flumedb::offset_log::test::offset_log_as_iter::{{closure}}
[INFO] [stdout]              at src/offset_log.rs:657
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:450
[INFO] [stdout]    9: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   10: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   12: start_thread
[INFO] [stdout]   13: clone
[INFO] [stdout] ', src/offset_log.rs:658:19
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560c74bd81d5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560c74bd81d5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560c74bd81d5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560c74bd81d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560c74c00f0c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x560c74a0e715 - std::io::Write::write_fmt::ha866504c9998fe5e
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x560c74bd23e1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8f0a2af895559593
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x560c74bdaaf0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560c74bdaaf0 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560c74bdaaf0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560c74bda7ea - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560c74bdb127 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x560c74bdad2b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x560c74bff5f1 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x560c74bff413 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x560c74a0184e - core::result::Result<T,E>::unwrap::hd45f86f53af945c2
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x560c749d42d0 - flumedb::offset_log::test::offset_log_as_iter::hcdb80afc804b98fb
[INFO] [stdout]                                at src/offset_log.rs:658
[INFO] [stdout]   17:     0x560c749d426a - flumedb::offset_log::test::offset_log_as_iter::{{closure}}::h3c36e2ab649c4930
[INFO] [stdout]                                at src/offset_log.rs:657
[INFO] [stdout]   18:     0x560c749de5ce - core::ops::function::FnOnce::call_once::h38a2a7d410242380
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x560c74a35902 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1efcc6525b6aa145
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x560c74a35902 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x560c74a35902 - std::panicking::try::do_call::h83baf26f5fc8b0a5
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x560c74a35902 - std::panicking::try::h8d28a678b90bb6ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x560c74a35902 - std::panic::catch_unwind::h20734e8710644f59
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x560c74a35902 - test::run_test_in_process::h2c1fb2dd0c9013bb
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x560c74a35902 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x560c74a0dbd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x560c74a12f15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x560c74a12f15 - std::panicking::try::do_call::hcc5472a0f1ff31ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x560c74a12f15 - std::panicking::try::h774b0c4fd770945c
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x560c74a12f15 - std::panic::catch_unwind::hfaf7c6beb53320e7
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x560c74a12f15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf311c88f1fadb9b8
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8cfb7235b81393ef
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x560c74be192a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f3b159eb609 - start_thread
[INFO] [stdout]   38:     0x7f3b158f7103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- offset_log::test::read_from_a_file stdout ----
[INFO] [stdout] thread 'offset_log::test::read_from_a_file' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stdout]    4: flumedb::offset_log::OffsetLog<ByteType>::new
[INFO] [stdout]              at src/offset_log.rs:58
[INFO] [stdout]    5: flumedb::offset_log::test::read_from_a_file
[INFO] [stdout]              at src/offset_log.rs:538
[INFO] [stdout]    6: flumedb::offset_log::test::read_from_a_file::{{closure}}
[INFO] [stdout]              at src/offset_log.rs:537
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:541
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libtest/lib.rs:450
[INFO] [stdout]    9: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   10: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   12: start_thread
[INFO] [stdout]   13: clone
[INFO] [stdout] ', src/offset_log.rs:538:19
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560c74bd81d5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560c74bd81d5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560c74bd81d5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560c74bd81d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560c74c00f0c - core::fmt::write::he14c3177144df275
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x560c74a0e715 - std::io::Write::write_fmt::ha866504c9998fe5e
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x560c74bd23e1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8f0a2af895559593
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x560c74bdaaf0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560c74bdaaf0 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560c74bdaaf0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560c74bda7ea - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560c74bdb127 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x560c74bdad2b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x560c74bff5f1 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x560c74bff413 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x560c74a0184e - core::result::Result<T,E>::unwrap::hd45f86f53af945c2
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x560c749d1153 - flumedb::offset_log::test::read_from_a_file::h2ffa072ea9c00bd4
[INFO] [stdout]                                at src/offset_log.rs:538
[INFO] [stdout]   17:     0x560c749d10ea - flumedb::offset_log::test::read_from_a_file::{{closure}}::hf50265d745d6edee
[INFO] [stdout]                                at src/offset_log.rs:537
[INFO] [stdout]   18:     0x560c749de9ce - core::ops::function::FnOnce::call_once::hfd7daeb9824f5805
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x560c74a35902 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1efcc6525b6aa145
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x560c74a35902 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hafd7ae2f3c23f399
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x560c74a35902 - std::panicking::try::do_call::h83baf26f5fc8b0a5
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x560c74a35902 - std::panicking::try::h8d28a678b90bb6ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x560c74a35902 - std::panic::catch_unwind::h20734e8710644f59
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x560c74a35902 - test::run_test_in_process::h2c1fb2dd0c9013bb
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x560c74a35902 - test::run_test::run_test_inner::{{closure}}::h7c58b7aefdb9adf3
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x560c74a0dbd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h498f21fd16bdff05
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb35336a0a0430e6d
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x560c74a12f15 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8569a86268e08ad1
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x560c74a12f15 - std::panicking::try::do_call::hcc5472a0f1ff31ac
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x560c74a12f15 - std::panicking::try::h774b0c4fd770945c
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x560c74a12f15 - std::panic::catch_unwind::hfaf7c6beb53320e7
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x560c74a12f15 - std::thread::Builder::spawn_unchecked::{{closure}}::h481343a824704446
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x560c74a12f15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dcbc7fc2c4c6c48
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf311c88f1fadb9b8
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x560c74be192a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8cfb7235b81393ef
[INFO] [stdout]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x560c74be192a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f3b159eb609 - start_thread
[INFO] [stdout]   38:     0x7f3b158f7103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     go_offset_log::test::open_empty
[INFO] [stdout]     go_offset_log::test::ssb_messages
[INFO] [stdout]     offset_log::test::offset_log_as_iter
[INFO] [stdout]     offset_log::test::read_from_a_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d6ba00ff3999ffcd16be3c206a3d423a9c14e9004db308db25c151b6ab36a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6ba00ff3999ffcd16be3c206a3d423a9c14e9004db308db25c151b6ab36a20", kill_on_drop: false }`
[INFO] [stdout] 5d6ba00ff3999ffcd16be3c206a3d423a9c14e9004db308db25c151b6ab36a20