[INFO] fetching crate flumedb 0.1.5...
[INFO] testing flumedb-0.1.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate flumedb 0.1.5 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate flumedb 0.1.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded buffered_offset_reader v0.6.0
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded ssb-crypto v0.2.3
[INFO] [stderr]   Downloaded ssb-multiformats v0.4.2
[INFO] [stderr]   Downloaded bidir_iter v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f7612cc92cc5316f92d7028fbcaaed5f44bc1a816df2955f36902c4dda5fd3
[INFO] running `Command { std: "docker" "start" "-a" "08f7612cc92cc5316f92d7028fbcaaed5f44bc1a816df2955f36902c4dda5fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f7612cc92cc5316f92d7028fbcaaed5f44bc1a816df2955f36902c4dda5fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f7612cc92cc5316f92d7028fbcaaed5f44bc1a816df2955f36902c4dda5fd3", kill_on_drop: false }`
[INFO] [stdout] 08f7612cc92cc5316f92d7028fbcaaed5f44bc1a816df2955f36902c4dda5fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d2b412ba16edb74664fbe96c0605791e18f789f9e6f8ce27cc653cef0b9af6
[INFO] running `Command { std: "docker" "start" "-a" "a3d2b412ba16edb74664fbe96c0605791e18f789f9e6f8ce27cc653cef0b9af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]    Compiling serde v1.0.130
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[INFO] [stderr]    Compiling bytes v0.5.6
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling hmac v0.10.1
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling chrono v0.4.19
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[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling env_logger v0.6.2
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[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.6.0
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.1
[INFO] [stderr]    Compiling ssb-crypto v0.2.3
[INFO] [stderr]    Compiling ssb-multiformats v0.4.2
[INFO] [stderr]    Compiling flumedb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "a3d2b412ba16edb74664fbe96c0605791e18f789f9e6f8ce27cc653cef0b9af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d2b412ba16edb74664fbe96c0605791e18f789f9e6f8ce27cc653cef0b9af6", kill_on_drop: false }`
[INFO] [stdout] a3d2b412ba16edb74664fbe96c0605791e18f789f9e6f8ce27cc653cef0b9af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9a9250425aa85baa2318e3c0b2b48b3d8b627ab5d742a6668c7466ff00d310
[INFO] running `Command { std: "docker" "start" "-a" "8d9a9250425aa85baa2318e3c0b2b48b3d8b627ab5d742a6668c7466ff00d310", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[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 17.84s
[INFO] running `Command { std: "docker" "inspect" "8d9a9250425aa85baa2318e3c0b2b48b3d8b627ab5d742a6668c7466ff00d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9a9250425aa85baa2318e3c0b2b48b3d8b627ab5d742a6668c7466ff00d310", kill_on_drop: false }`
[INFO] [stdout] 8d9a9250425aa85baa2318e3c0b2b48b3d8b627ab5d742a6668c7466ff00d310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c08478a0e1d67b62878467931b65fcadf22b40237365f64facb17f92c0237757
[INFO] running `Command { std: "docker" "start" "-a" "c08478a0e1d67b62878467931b65fcadf22b40237365f64facb17f92c0237757", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flumedb-af44fdef37d886cd)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test offset_log::test::arbitrary_read_and_write_to_a_file ... ok
[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::multiple ... ok
[INFO] [stdout] test offset_log::test::multiple_u64 ... ok
[INFO] [stdout] test offset_log::test::batch_write_to_a_file ... 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_u64 ... 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::errors_with_bad_second_size_valuen ... ok
[INFO] [stdout] test offset_log::test::errors_with_bad_next_offset_value ... ok
[INFO] [stdout] test offset_log::test::open_read_only ... ok
[INFO] [stdout] test offset_log::test::bidir_iter ... ok
[INFO] [stdout] test offset_log::test::read_incomplete_entry ... ok
[INFO] [stdout] test mem_log::tests::get ... ok
[INFO] [stdout] test offset_log::test::read_very_incomplete_entry ... ok
[INFO] [stdout] test mem_log::tests::clear ... ok
[INFO] [stdout] test mem_log::tests::iter ... ok
[INFO] [stdout] test go_offset_log::test::open_ro ... ok
[INFO] [stdout] test offset_log::test::read_from_a_file ... 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 go_offset_log::test::ssb_messages ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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: ReadOnlyFilesystem, 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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1915:27
[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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/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/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/offset_log.rs:538:61
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564cddc7b7dc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x564cddc7b7dc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564cddc7b7dc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564cddc7b7dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564cddc9f32c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x564cddc78085 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x564cddc7d490 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564cddc7d490 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564cddc7d490 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x564cddc7d082 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x564cddc7db44 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x564cddc7d620 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x564cddc7bca4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x564cddc7d589 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x564cdda34b81 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x564cdda34c73 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x564cdda8b555 - core::result::Result<T,E>::unwrap::h7f09c870c4aa644e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23
[INFO] [stdout]   17:     0x564cdda7eda9 - flumedb::offset_log::test::read_from_a_file::h4f939d1807e7dbc7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:538:19
[INFO] [stdout]   18:     0x564cdda7ed5a - flumedb::offset_log::test::read_from_a_file::{{closure}}::h579fbc61e114c1ab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:537:5
[INFO] [stdout]   19:     0x564cdda77dfe - core::ops::function::FnOnce::call_once::h6d2adc0e575eeedb
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564cddad3463 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564cddad3463 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x564cddad1ee8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x564cddad1ee8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564cddad1ee8 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x564cddad1ee8 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x564cddad1ee8 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x564cddad1ee8 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x564cddad1ee8 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x564cdda9fa3e - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x564cdda9fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x564cddaa42d8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564cddaa42d8 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x564cddaa42d8 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x564cddaa42d8 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x564cddaa42d8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x564cddc82a43 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f76bde49609 - start_thread
[INFO] [stdout]   42:     0x7f76bdc1b293 - 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: ReadOnlyFilesystem, 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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1915:27
[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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/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/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[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:     0x564cddc7b7dc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x564cddc7b7dc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564cddc7b7dc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564cddc7b7dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564cddc9f32c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x564cddc78085 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x564cddc7d490 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564cddc7d490 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564cddc7d490 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x564cddc7d082 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x564cddc7db44 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x564cddc7d620 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x564cddc7bca4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x564cddc7d589 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x564cdda34b81 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x564cdda34c73 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x564cdda8b6c3 - core::result::Result<T,E>::unwrap::ha7927871001ff708
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23
[INFO] [stdout]   17:     0x564cdda71734 - flumedb::go_offset_log::test::open_empty::ha80d2793d1e64bd0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:292:19
[INFO] [stdout]   18:     0x564cdda7166a - flumedb::go_offset_log::test::open_empty::{{closure}}::hc0af5216586145e5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:289:5
[INFO] [stdout]   19:     0x564cdda77f7e - core::ops::function::FnOnce::call_once::hafe7cc5808165469
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564cddad3463 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564cddad3463 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x564cddad1ee8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x564cddad1ee8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564cddad1ee8 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x564cddad1ee8 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x564cddad1ee8 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x564cddad1ee8 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x564cddad1ee8 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x564cdda9fa3e - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x564cdda9fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x564cddaa42d8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564cddaa42d8 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x564cddaa42d8 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x564cddaa42d8 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x564cddaa42d8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x564cddc82a43 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f76bde49609 - start_thread
[INFO] [stdout]   42:     0x7f76bdc1b293 - 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: ReadOnlyFilesystem, 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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1915:27
[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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/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/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   14: start_thread
[INFO] [stdout]   15: clone
[INFO] [stdout] ', src/offset_log.rs:658:61
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564cddc7b7dc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x564cddc7b7dc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564cddc7b7dc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564cddc7b7dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564cddc9f32c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x564cddc78085 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x564cddc7d490 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564cddc7d490 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564cddc7d490 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x564cddc7d082 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x564cddc7db44 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x564cddc7d620 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x564cddc7bca4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x564cddc7d589 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x564cdda34b81 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x564cdda34c73 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x564cdda8b555 - core::result::Result<T,E>::unwrap::h7f09c870c4aa644e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23
[INFO] [stdout]   17:     0x564cdda80da3 - flumedb::offset_log::test::offset_log_as_iter::h01c3ec7b38e9669f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:658:19
[INFO] [stdout]   18:     0x564cdda80d5a - flumedb::offset_log::test::offset_log_as_iter::{{closure}}::h0f2967a0e45ca88b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/offset_log.rs:657:5
[INFO] [stdout]   19:     0x564cdda77dbe - core::ops::function::FnOnce::call_once::h621ea840660fe87a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564cddad3463 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564cddad3463 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x564cddad1ee8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x564cddad1ee8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564cddad1ee8 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x564cddad1ee8 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x564cddad1ee8 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x564cddad1ee8 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x564cddad1ee8 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x564cdda9fa3e - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x564cdda9fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x564cddaa42d8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564cddaa42d8 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x564cddaa42d8 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x564cddaa42d8 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x564cddaa42d8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x564cddc82a43 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f76bde49609 - start_thread
[INFO] [stdout]   42:     0x7f76bdc1b293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[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: ReadOnlyFilesystem, 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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1915:27
[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/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   11: test::run_test::run_test_inner::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]       std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/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/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[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:     0x564cddc7b7dc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x564cddc7b7dc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564cddc7b7dc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564cddc7b7dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564cddc9f32c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x564cddc78085 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x564cddc7d490 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x564cddc7d490 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x564cddc7d490 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x564cddc7d082 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x564cddc7db44 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x564cddc7d620 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x564cddc7bca4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x564cddc7d589 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x564cdda34b81 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x564cdda34c73 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stdout]   16:     0x564cdda8b6c3 - core::result::Result<T,E>::unwrap::ha7927871001ff708
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23
[INFO] [stdout]   17:     0x564cdda719bc - flumedb::go_offset_log::test::ssb_messages::h3c887650c8adbf8b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:302:19
[INFO] [stdout]   18:     0x564cdda718da - flumedb::go_offset_log::test::ssb_messages::{{closure}}::hb5afd7897da862f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/go_offset_log.rs:299:5
[INFO] [stdout]   19:     0x564cdda77fbe - core::ops::function::FnOnce::call_once::hb82e2f7d66a30427
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x564cddad3463 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x564cddad3463 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x564cddad1ee8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   23:     0x564cddad1ee8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x564cddad1ee8 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   25:     0x564cddad1ee8 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   26:     0x564cddad1ee8 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   27:     0x564cddad1ee8 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x564cddad1ee8 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x564cdda9fa3e - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x564cdda9fa3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x564cddaa42d8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x564cddaa42d8 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   34:     0x564cddaa42d8 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   35:     0x564cddaa42d8 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   36:     0x564cddaa42d8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x564cddaa42d8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x564cddc82a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   40:     0x564cddc82a43 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   41:     0x7f76bde49609 - start_thread
[INFO] [stdout]   42:     0x7f76bdc1b293 - 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 0.75s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "c08478a0e1d67b62878467931b65fcadf22b40237365f64facb17f92c0237757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08478a0e1d67b62878467931b65fcadf22b40237365f64facb17f92c0237757", kill_on_drop: false }`
[INFO] [stdout] c08478a0e1d67b62878467931b65fcadf22b40237365f64facb17f92c0237757