[INFO] fetching crate flumedb 0.1.5...
[INFO] testing flumedb-0.1.5 against 1.54.0 for beta-1.55-1
[INFO] extracting crate flumedb 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flumedb 0.1.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flumedb 0.1.5
[INFO] finished tweaking crates.io crate flumedb 0.1.5
[INFO] tweaked toml for crates.io crate flumedb 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded ssb-crypto v0.2.2
[INFO] [stderr]   Downloaded ssb-multiformats v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91c0cd4072bfabdf4b4f4255c86cd22dbd2c6b3c12c8cdd1aa33c07e4d334d67
[INFO] running `Command { std: "docker" "start" "-a" "91c0cd4072bfabdf4b4f4255c86cd22dbd2c6b3c12c8cdd1aa33c07e4d334d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c0cd4072bfabdf4b4f4255c86cd22dbd2c6b3c12c8cdd1aa33c07e4d334d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c0cd4072bfabdf4b4f4255c86cd22dbd2c6b3c12c8cdd1aa33c07e4d334d67", kill_on_drop: false }`
[INFO] [stdout] 91c0cd4072bfabdf4b4f4255c86cd22dbd2c6b3c12c8cdd1aa33c07e4d334d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4ba8cc31718625f08d5a822092064ba7fb36ee6d15016522b80f9a983fec5f6
[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" "d4ba8cc31718625f08d5a822092064ba7fb36ee6d15016522b80f9a983fec5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bidir_iter v0.2.1
[INFO] [stderr]    Compiling buffered_offset_reader v0.6.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.6.0
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling ssb-crypto v0.2.2
[INFO] [stderr]    Compiling ssb-multiformats v0.4.1
[INFO] [stderr]    Compiling flumedb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.68s
[INFO] running `Command { std: "docker" "inspect" "d4ba8cc31718625f08d5a822092064ba7fb36ee6d15016522b80f9a983fec5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ba8cc31718625f08d5a822092064ba7fb36ee6d15016522b80f9a983fec5f6", kill_on_drop: false }`
[INFO] [stdout] d4ba8cc31718625f08d5a822092064ba7fb36ee6d15016522b80f9a983fec5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f1aa843dc68f2e51d8f88928f5c0b3d0fb07722f501bd836351519439ea4f4e
[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" "8f1aa843dc68f2e51d8f88928f5c0b3d0fb07722f501bd836351519439ea4f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling flumedb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.87s
[INFO] running `Command { std: "docker" "inspect" "8f1aa843dc68f2e51d8f88928f5c0b3d0fb07722f501bd836351519439ea4f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1aa843dc68f2e51d8f88928f5c0b3d0fb07722f501bd836351519439ea4f4e", kill_on_drop: false }`
[INFO] [stdout] 8f1aa843dc68f2e51d8f88928f5c0b3d0fb07722f501bd836351519439ea4f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44dba8c8928322d7d87ad72f4d6efb6d06773ab5a08b58965c0e3b9f90ce74f7
[INFO] running `Command { std: "docker" "start" "-a" "44dba8c8928322d7d87ad72f4d6efb6d06773ab5a08b58965c0e3b9f90ce74f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flumedb-3730474643cb7d11)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test offset_log::test::encode_multi ... ok
[INFO] [stdout] test offset_log::test::encode_multi_u64 ... ok
[INFO] [stdout] test offset_log::test::batch_write_to_a_file ... 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::multiple ... ok
[INFO] [stdout] test offset_log::test::simple_encode ... ok
[INFO] [stdout] test offset_log::test::simple ... ok
[INFO] [stdout] test offset_log::test::simple_encode_u64 ... ok
[INFO] [stdout] test offset_log::test::write_to_a_file ... ok
[INFO] [stdout] test offset_log::test::simple_u64 ... ok
[INFO] [stdout] test offset_log::test::read_incomplete_entry ... ok
[INFO] [stdout] test offset_log::test::read_very_incomplete_entry ... ok
[INFO] [stdout] test mem_log::tests::iter ... ok
[INFO] [stdout] test offset_log::test::errors_with_bad_next_offset_value ... ok
[INFO] [stdout] test mem_log::tests::get ... ok
[INFO] [stdout] test offset_log::test::bidir_iter ... 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 mem_log::tests::clear ... ok
[INFO] [stdout] test offset_log::test::open_read_only ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test go_offset_log::test::ssb_messages ... FAILED
[INFO] [stdout] test offset_log::test::read_from_a_file ... FAILED
[INFO] [stdout] test offset_log::test::offset_log_as_iter ... FAILED
[INFO] [stdout] test go_offset_log::test::open_empty ... 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:46:44
[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:121:35
[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:19:17
[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:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1675:27
[INFO] [stdout]    5: flumedb::go_offset_log::GoOffsetLog::new
[INFO] [stdout]              at src/go_offset_log.rs:97:25
[INFO] [stdout]    6: flumedb::go_offset_log::test::ssb_messages
[INFO] [stdout]              at src/go_offset_log.rs:302:19
[INFO] [stdout]    7: flumedb::go_offset_log::test::ssb_messages::{{closure}}
[INFO] [stdout]              at src/go_offset_log.rs:299:5
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/go_offset_log.rs:302:39
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556ca8e3c1b0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556ca8e3c1b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556ca8e5f31c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x556ca8e38bb5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x556ca8e3e3bb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556ca8e3e3bb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556ca8e3e3bb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556ca8e3decc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556ca8e3ea84 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556ca8e3e567 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x556ca8e3c6ac - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556ca8e3e4c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556ca8bfbb41 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556ca8bfbc33 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x556ca8c4c194 - core::result::Result<T,E>::unwrap::h98d9a28f53fc6cb9
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x556ca8c3bbec - flumedb::go_offset_log::test::ssb_messages::h16801c942081160b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:302:19
[INFO] [stdout]   18:     0x556ca8c3bb0a - flumedb::go_offset_log::test::ssb_messages::{{closure}}::h707dd2cdb16e170e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:299:5
[INFO] [stdout]   19:     0x556ca8c60c4e - core::ops::function::FnOnce::call_once::hf381e604192b2aa2
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556ca8c8f1d3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x556ca8c8f1d3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x556ca8c8dc90 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x556ca8c8dc90 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x556ca8c8dc90 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x556ca8c8dc90 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x556ca8c8dc90 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x556ca8c8dc90 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x556ca8c8dc90 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x556ca8c67342 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x556ca8c67342 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x556ca8c6aef8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x556ca8c6aef8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x556ca8c6aef8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x556ca8c6aef8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x556ca8c6aef8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x556ca8e43967 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f3557912609 - start_thread
[INFO] [stdout]   42:     0x7f35576e4293 - clone
[INFO] [stdout]   43:                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:46:44
[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:121:35
[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:19:17
[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:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1675:27
[INFO] [stdout]    5: flumedb::offset_log::OffsetLog<ByteType>::new
[INFO] [stdout]              at src/offset_log.rs:54:20
[INFO] [stdout]    6: flumedb::offset_log::test::read_from_a_file
[INFO] [stdout]              at src/offset_log.rs:538:19
[INFO] [stdout]    7: flumedb::offset_log::test::read_from_a_file::{{closure}}
[INFO] [stdout]              at src/offset_log.rs:537:5
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/offset_log.rs:538:61
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556ca8e3c1b0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556ca8e3c1b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556ca8e5f31c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x556ca8e38bb5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x556ca8e3e3bb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556ca8e3e3bb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556ca8e3e3bb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556ca8e3decc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556ca8e3ea84 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556ca8e3e567 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x556ca8e3c6ac - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556ca8e3e4c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556ca8bfbb41 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556ca8bfbc33 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x556ca8c4c406 - core::result::Result<T,E>::unwrap::hd84b1202d11b38bd
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x556ca8c466d9 - flumedb::offset_log::test::read_from_a_file::hc36a433ac88f359e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:538:19
[INFO] [stdout]   18:     0x556ca8c4668a - flumedb::offset_log::test::read_from_a_file::{{closure}}::h542e8b711607cb1b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:537:5
[INFO] [stdout]   19:     0x556ca8c60bce - core::ops::function::FnOnce::call_once::he61b48f2909d1afa
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556ca8c8f1d3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x556ca8c8f1d3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x556ca8c8dc90 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x556ca8c8dc90 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x556ca8c8dc90 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x556ca8c8dc90 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x556ca8c8dc90 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x556ca8c8dc90 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x556ca8c8dc90 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x556ca8c67342 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x556ca8c67342 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x556ca8c6aef8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x556ca8c6aef8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x556ca8c6aef8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x556ca8c6aef8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x556ca8c6aef8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x556ca8e43967 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f3557912609 - start_thread
[INFO] [stdout]   42:     0x7f35576e4293 - clone
[INFO] [stdout]   43:                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:46:44
[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:121:35
[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:19:17
[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:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1675:27
[INFO] [stdout]    5: flumedb::offset_log::OffsetLog<ByteType>::new
[INFO] [stdout]              at src/offset_log.rs:54:20
[INFO] [stdout]    6: flumedb::offset_log::test::offset_log_as_iter
[INFO] [stdout]              at src/offset_log.rs:658:19
[INFO] [stdout]    7: flumedb::offset_log::test::offset_log_as_iter::{{closure}}
[INFO] [stdout]              at src/offset_log.rs:657:5
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/offset_log.rs:658:61
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556ca8e3c1b0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556ca8e3c1b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556ca8e5f31c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x556ca8e38bb5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x556ca8e3e3bb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556ca8e3e3bb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556ca8e3e3bb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556ca8e3decc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556ca8e3ea84 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556ca8e3e567 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x556ca8e3c6ac - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556ca8e3e4c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556ca8bfbb41 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556ca8bfbc33 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x556ca8c4c406 - core::result::Result<T,E>::unwrap::hd84b1202d11b38bd
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x556ca8c487d3 - flumedb::offset_log::test::offset_log_as_iter::hf4073853ad0c6e43
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:658:19
[INFO] [stdout]   18:     0x556ca8c4878a - flumedb::offset_log::test::offset_log_as_iter::{{closure}}::h1fe5b1b450b9113d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:657:5
[INFO] [stdout]   19:     0x556ca8c60c0e - core::ops::function::FnOnce::call_once::he65be04bab51dad4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556ca8c8f1d3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x556ca8c8f1d3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x556ca8c8dc90 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x556ca8c8dc90 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x556ca8c8dc90 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x556ca8c8dc90 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x556ca8c8dc90 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x556ca8c8dc90 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x556ca8c8dc90 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x556ca8c67342 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x556ca8c67342 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x556ca8c6aef8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x556ca8c6aef8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x556ca8c6aef8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x556ca8c6aef8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x556ca8c6aef8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x556ca8e43967 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f3557912609 - start_thread
[INFO] [stdout]   42:     0x7f35576e4293 - clone
[INFO] [stdout]   43:                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:46:44
[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:121:35
[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:19:17
[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:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1675:27
[INFO] [stdout]    5: flumedb::go_offset_log::GoOffsetLog::new
[INFO] [stdout]              at src/go_offset_log.rs:97:25
[INFO] [stdout]    6: flumedb::go_offset_log::test::open_empty
[INFO] [stdout]              at src/go_offset_log.rs:292:19
[INFO] [stdout]    7: flumedb::go_offset_log::test::open_empty::{{closure}}
[INFO] [stdout]              at src/go_offset_log.rs:289:5
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/go_offset_log.rs:292:39
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556ca8e3c1b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556ca8e3c1b0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556ca8e3c1b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556ca8e5f31c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x556ca8e38bb5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x556ca8e3e3bb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556ca8e3e3bb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556ca8e3e3bb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556ca8e3decc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556ca8e3ea84 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556ca8e3e567 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x556ca8e3c6ac - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556ca8e3e4c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556ca8bfbb41 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556ca8bfbc33 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x556ca8c4c194 - core::result::Result<T,E>::unwrap::h98d9a28f53fc6cb9
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x556ca8c3b964 - flumedb::go_offset_log::test::open_empty::h335bf6a027ffe1d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:292:19
[INFO] [stdout]   18:     0x556ca8c3b89a - flumedb::go_offset_log::test::open_empty::{{closure}}::h847062cf0b8b4933
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:289:5
[INFO] [stdout]   19:     0x556ca8c60abe - core::ops::function::FnOnce::call_once::hb3923f3c57a01256
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556ca8c8f1d3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x556ca8c8f1d3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x556ca8c8dc90 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x556ca8c8dc90 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x556ca8c8dc90 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x556ca8c8dc90 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x556ca8c8dc90 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x556ca8c8dc90 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x556ca8c8dc90 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x556ca8c67342 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x556ca8c67342 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x556ca8c6aef8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x556ca8c6aef8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x556ca8c6aef8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x556ca8c6aef8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x556ca8c6aef8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x556ca8c6aef8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x556ca8e43967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x556ca8e43967 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f3557912609 - start_thread
[INFO] [stdout]   42:     0x7f35576e4293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[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; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44dba8c8928322d7d87ad72f4d6efb6d06773ab5a08b58965c0e3b9f90ce74f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dba8c8928322d7d87ad72f4d6efb6d06773ab5a08b58965c0e3b9f90ce74f7", kill_on_drop: false }`
[INFO] [stdout] 44dba8c8928322d7d87ad72f4d6efb6d06773ab5a08b58965c0e3b9f90ce74f7
