[INFO] crate queue-file 1.0.2 is already in cache
[INFO] extracting crate queue-file 1.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/queue-file/1.0.2
[INFO] extracting crate queue-file 1.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/queue-file/1.0.2
[INFO] validating manifest of queue-file-1.0.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of queue-file-1.0.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing queue-file-1.0.2
[INFO] finished frobbing queue-file-1.0.2
[INFO] frobbed toml for queue-file-1.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/queue-file/1.0.2/Cargo.toml
[INFO] started frobbing queue-file-1.0.2
[INFO] finished frobbing queue-file-1.0.2
[INFO] frobbed toml for queue-file-1.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/queue-file/1.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing queue-file-1.0.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/queue-file/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0ff4a52a6480d0b1f788ce47cef7e72ca7cb4a0bcd22c6137955ad621c7bdfd5
[INFO] running `"docker" "start" "-a" "0ff4a52a6480d0b1f788ce47cef7e72ca7cb4a0bcd22c6137955ad621c7bdfd5"`
[INFO] [stderr]    Compiling queue-file v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "0ff4a52a6480d0b1f788ce47cef7e72ca7cb4a0bcd22c6137955ad621c7bdfd5"`
[INFO] running `"docker" "rm" "-f" "0ff4a52a6480d0b1f788ce47cef7e72ca7cb4a0bcd22c6137955ad621c7bdfd5"`
[INFO] [stdout] 0ff4a52a6480d0b1f788ce47cef7e72ca7cb4a0bcd22c6137955ad621c7bdfd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/queue-file/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e8e305773dae50b98b06012282648c7135b628c9fe900b629f720b86b36735e0
[INFO] running `"docker" "start" "-a" "e8e305773dae50b98b06012282648c7135b628c9fe900b629f720b86b36735e0"`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling queue-file v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "e8e305773dae50b98b06012282648c7135b628c9fe900b629f720b86b36735e0"`
[INFO] running `"docker" "rm" "-f" "e8e305773dae50b98b06012282648c7135b628c9fe900b629f720b86b36735e0"`
[INFO] [stdout] e8e305773dae50b98b06012282648c7135b628c9fe900b629f720b86b36735e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/queue-file/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b7f6aed072abd9c178b6f373859ad34daa70224d6fb625ab5402c79f34a4bdf9
[INFO] running `"docker" "start" "-a" "b7f6aed072abd9c178b6f373859ad34daa70224d6fb625ab5402c79f34a4bdf9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/queue_file-ada250c5a3e94e21
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_legacy_queue_file_with_zero ... FAILED
[INFO] [stdout] test tests::test_queue_file_with_zero ... FAILED
[INFO] [stdout] test tests::test_legacy_queue_file ... FAILED
[INFO] [stdout] test tests::test_queue_file ... FAILED
[INFO] [stdout] test tests::test_queue_file_iter ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_legacy_queue_file_with_zero stdout ----
[INFO] [stdout] thread 'tests::test_legacy_queue_file_with_zero' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Io(Os { code: 30, kind: Other, message: "Read-only file system" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::h609afd8262d2d1ab (0x55d2c8b0fc33)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::he0055d06340dbfb1 (0x55d2c8b0f123)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671
[INFO] [stdout]    2: queue_file::Error::from_kind::hbe4e5e4dded27930 (0x55d2c8a6bd22)
[INFO] [stdout]              at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:72
[INFO] [stdout]    3: <queue_file::Error as core::convert::From<std::io::error::Error>>::from::h4f7162732fd57782 (0x55d2c8a6bde2)
[INFO] [stdout]              at src/lib.rs:36
[INFO] [stdout]    4: queue_file::QueueFile::init::hf6f1ee106b00b010 (0x55d2c8a64726)
[INFO] [stdout]              at src/lib.rs:154
[INFO] [stdout]    5: queue_file::QueueFile::open_internal::hd737a857ce88dfd5 (0x55d2c8a64fe9)
[INFO] [stdout]              at src/lib.rs:189
[INFO] [stdout]    6: queue_file::QueueFile::open_legacy::hf008c833ab544bb7 (0x55d2c8a64ec3)
[INFO] [stdout]              at src/lib.rs:182
[INFO] [stdout]    7: queue_file::tests::new_queue_file_ex::hfb13ed12289117d6 (0x55d2c8a7461a)
[INFO] [stdout]              at src/lib.rs:809
[INFO] [stdout]    8: queue_file::tests::new_legacy_queue_file::h85062f9a3d037411 (0x55d2c8a74539)
[INFO] [stdout]              at src/lib.rs:802
[INFO] [stdout]    9: queue_file::tests::test_legacy_queue_file_with_zero::hcd1e829b56489afa (0x55d2c8a772f1)
[INFO] [stdout]              at src/lib.rs:903
[INFO] [stdout]   10: queue_file::tests::test_legacy_queue_file_with_zero::{{closure}}::h53922abfae72e8e4 (0x55d2c8a772ba)
[INFO] [stdout]              at src/lib.rs:902
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once::h275f6efe5ceedde5 (0x55d2c8a7288e)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   12: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826 (0x55d2c8a896ff)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   14: std::panicking::try::h5890cbed5d1d8df0 (0x55d2c8aa3cee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]              at src/libtest/lib.rs:1408
[INFO] [stdout]   15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x55d2c8a7f125)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x55d2c8a83335)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   17: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   18: std::panicking::try::h332f368ed7d9b7d1 (0x55d2c8a83932)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250 (0x55d2c8b4c52f)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e (0x55d2c8b59f70)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]       std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21: start_thread (0x7f3215fb14a4)
[INFO] [stdout]   22: __clone (0x7f3215adcd0f)
[INFO] [stdout]   23: <unknown> (0x0)) } })', src/libcore/result.rs:1084:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2c8b574eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55d2c8b574eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2c8b574eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55d2c8b574eb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55d2c8b574eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55d2c8b5715c - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55d2c8b57c5d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55d2c8b577e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55d2c8b576c6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55d2c8b6ddcd - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55d2c8b6dec7 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stdout]                                at src/libcore/result.rs:1084
[INFO] [stdout]   11:     0x55d2c8a7b876 - core::result::Result<T,E>::unwrap::h6c4cd185c88c7d72
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852
[INFO] [stdout]   12:     0x55d2c8a7462e - queue_file::tests::new_queue_file_ex::hfb13ed12289117d6
[INFO] [stdout]                                at src/lib.rs:809
[INFO] [stdout]   13:     0x55d2c8a74539 - queue_file::tests::new_legacy_queue_file::h85062f9a3d037411
[INFO] [stdout]                                at src/lib.rs:802
[INFO] [stdout]   14:     0x55d2c8a772f1 - queue_file::tests::test_legacy_queue_file_with_zero::hcd1e829b56489afa
[INFO] [stdout]                                at src/lib.rs:903
[INFO] [stdout]   15:     0x55d2c8a772ba - queue_file::tests::test_legacy_queue_file_with_zero::{{closure}}::h53922abfae72e8e4
[INFO] [stdout]                                at src/lib.rs:902
[INFO] [stdout]   16:     0x55d2c8a7288e - core::ops::function::FnOnce::call_once::h275f6efe5ceedde5
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   17:     0x55d2c8a896ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   18:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   19:     0x55d2c8aa3cee - std::panicking::try::h5890cbed5d1d8df0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55d2c8aa3cee - std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d2c8aa3cee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]                                at src/libtest/lib.rs:1408
[INFO] [stdout]   22:     0x55d2c8a7f125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55d2c8a83335 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55d2c8a83335 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55d2c8a83335 - std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   27:     0x55d2c8a83932 - std::panicking::try::h332f368ed7d9b7d1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55d2c8a83932 - std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55d2c8a83932 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55d2c8a83932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   31:     0x55d2c8b4c52f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   32:     0x55d2c8b59f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   33:     0x55d2c8b59f70 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55d2c8b59f70 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f3215fb14a4 - start_thread
[INFO] [stdout]   36:     0x7f3215adcd0f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_queue_file_with_zero stdout ----
[INFO] [stdout] thread 'tests::test_queue_file_with_zero' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Io(Os { code: 30, kind: Other, message: "Read-only file system" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::h609afd8262d2d1ab (0x55d2c8b0fc33)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::he0055d06340dbfb1 (0x55d2c8b0f123)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671
[INFO] [stdout]    2: queue_file::Error::from_kind::hbe4e5e4dded27930 (0x55d2c8a6bd22)
[INFO] [stdout]              at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:72
[INFO] [stdout]    3: <queue_file::Error as core::convert::From<std::io::error::Error>>::from::h4f7162732fd57782 (0x55d2c8a6bde2)
[INFO] [stdout]              at src/lib.rs:36
[INFO] [stdout]    4: queue_file::QueueFile::init::hf6f1ee106b00b010 (0x55d2c8a64726)
[INFO] [stdout]              at src/lib.rs:154
[INFO] [stdout]    5: queue_file::QueueFile::open_internal::hd737a857ce88dfd5 (0x55d2c8a64fe9)
[INFO] [stdout]              at src/lib.rs:189
[INFO] [stdout]    6: queue_file::QueueFile::open::hfd251e21530c0759 (0x55d2c8a64e7c)
[INFO] [stdout]              at src/lib.rs:178
[INFO] [stdout]    7: queue_file::tests::new_queue_file_ex::hfb13ed12289117d6 (0x55d2c8a74601)
[INFO] [stdout]              at src/lib.rs:811
[INFO] [stdout]    8: queue_file::tests::new_queue_file::hfe26bb4f2f2813ee (0x55d2c8a74506)
[INFO] [stdout]              at src/lib.rs:798
[INFO] [stdout]    9: queue_file::tests::test_queue_file_with_zero::h224a980cb11ad59e (0x55d2c8a76e81)
[INFO] [stdout]              at src/lib.rs:869
[INFO] [stdout]   10: queue_file::tests::test_queue_file_with_zero::{{closure}}::hfd0879a13de1c70d (0x55d2c8a76e4a)
[INFO] [stdout]              at src/lib.rs:868
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once::h310efd828d98dfcc (0x55d2c8a728be)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   12: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826 (0x55d2c8a896ff)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   14: std::panicking::try::h5890cbed5d1d8df0 (0x55d2c8aa3cee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]              at src/libtest/lib.rs:1408
[INFO] [stdout]   15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x55d2c8a7f125)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x55d2c8a83335)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   17: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   18: std::panicking::try::h332f368ed7d9b7d1 (0x55d2c8a83932)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250 (0x55d2c8b4c52f)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e (0x55d2c8b59f70)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]       std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21: start_thread (0x7f3215fb14a4)
[INFO] [stdout]   22: __clone (0x7f3215adcd0f)
[INFO] [stdout]   23: <unknown> (0x0)) } })', src/libcore/result.rs:1084:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2c8b574eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55d2c8b574eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2c8b574eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55d2c8b574eb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55d2c8b574eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55d2c8b5715c - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55d2c8b57c5d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55d2c8b577e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55d2c8b576c6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55d2c8b6ddcd - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55d2c8b6dec7 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stdout]                                at src/libcore/result.rs:1084
[INFO] [stdout]   11:     0x55d2c8a7b876 - core::result::Result<T,E>::unwrap::h6c4cd185c88c7d72
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852
[INFO] [stdout]   12:     0x55d2c8a74644 - queue_file::tests::new_queue_file_ex::hfb13ed12289117d6
[INFO] [stdout]                                at src/lib.rs:811
[INFO] [stdout]   13:     0x55d2c8a74506 - queue_file::tests::new_queue_file::hfe26bb4f2f2813ee
[INFO] [stdout]                                at src/lib.rs:798
[INFO] [stdout]   14:     0x55d2c8a76e81 - queue_file::tests::test_queue_file_with_zero::h224a980cb11ad59e
[INFO] [stdout]                                at src/lib.rs:869
[INFO] [stdout]   15:     0x55d2c8a76e4a - queue_file::tests::test_queue_file_with_zero::{{closure}}::hfd0879a13de1c70d
[INFO] [stdout]                                at src/lib.rs:868
[INFO] [stdout]   16:     0x55d2c8a728be - core::ops::function::FnOnce::call_once::h310efd828d98dfcc
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   17:     0x55d2c8a896ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   18:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   19:     0x55d2c8aa3cee - std::panicking::try::h5890cbed5d1d8df0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55d2c8aa3cee - std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d2c8aa3cee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]                                at src/libtest/lib.rs:1408
[INFO] [stdout]   22:     0x55d2c8a7f125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55d2c8a83335 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55d2c8a83335 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55d2c8a83335 - std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   27:     0x55d2c8a83932 - std::panicking::try::h332f368ed7d9b7d1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55d2c8a83932 - std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55d2c8a83932 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55d2c8a83932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   31:     0x55d2c8b4c52f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   32:     0x55d2c8b59f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   33:     0x55d2c8b59f70 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55d2c8b59f70 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f3215fb14a4 - start_thread
[INFO] [stdout]   36:     0x7f3215adcd0f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_legacy_queue_file stdout ----
[INFO] [stdout] thread 'tests::test_legacy_queue_file' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Io(Os { code: 30, kind: Other, message: "Read-only file system" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::h609afd8262d2d1ab (0x55d2c8b0fc33)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::he0055d06340dbfb1 (0x55d2c8b0f123)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671
[INFO] [stdout]    2: queue_file::Error::from_kind::hbe4e5e4dded27930 (0x55d2c8a6bd22)
[INFO] [stdout]              at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:72
[INFO] [stdout]    3: <queue_file::Error as core::convert::From<std::io::error::Error>>::from::h4f7162732fd57782 (0x55d2c8a6bde2)
[INFO] [stdout]              at src/lib.rs:36
[INFO] [stdout]    4: queue_file::QueueFile::init::hf6f1ee106b00b010 (0x55d2c8a64726)
[INFO] [stdout]              at src/lib.rs:154
[INFO] [stdout]    5: queue_file::QueueFile::open_internal::hd737a857ce88dfd5 (0x55d2c8a64fe9)
[INFO] [stdout]              at src/lib.rs:189
[INFO] [stdout]    6: queue_file::QueueFile::open_legacy::hf008c833ab544bb7 (0x55d2c8a64ec3)
[INFO] [stdout]              at src/lib.rs:182
[INFO] [stdout]    7: queue_file::tests::new_queue_file_ex::hfb13ed12289117d6 (0x55d2c8a7461a)
[INFO] [stdout]              at src/lib.rs:809
[INFO] [stdout]    8: queue_file::tests::new_legacy_queue_file::h85062f9a3d037411 (0x55d2c8a74539)
[INFO] [stdout]              at src/lib.rs:802
[INFO] [stdout]    9: queue_file::tests::test_legacy_queue_file::h4ff7a9c47314b66d (0x55d2c8a770be)
[INFO] [stdout]              at src/lib.rs:886
[INFO] [stdout]   10: queue_file::tests::test_legacy_queue_file::{{closure}}::h2f2d25c5a64aa10d (0x55d2c8a7708a)
[INFO] [stdout]              at src/lib.rs:885
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once::h401111ac00cb5b14 (0x55d2c8a728ee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   12: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826 (0x55d2c8a896ff)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   14: std::panicking::try::h5890cbed5d1d8df0 (0x55d2c8aa3cee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]              at src/libtest/lib.rs:1408
[INFO] [stdout]   15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x55d2c8a7f125)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x55d2c8a83335)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   17: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   18: std::panicking::try::h332f368ed7d9b7d1 (0x55d2c8a83932)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250 (0x55d2c8b4c52f)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e (0x55d2c8b59f70)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]       std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21: start_thread (0x7f3215fb14a4)
[INFO] [stdout]   22: __clone (0x7f3215adcd0f)
[INFO] [stdout]   23: <unknown> (0x0)) } })', src/libcore/result.rs:1084:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2c8b574eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55d2c8b574eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2c8b574eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55d2c8b574eb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55d2c8b574eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55d2c8b5715c - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55d2c8b57c5d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55d2c8b577e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55d2c8b576c6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55d2c8b6ddcd - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55d2c8b6dec7 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stdout]                                at src/libcore/result.rs:1084
[INFO] [stdout]   11:     0x55d2c8a7b876 - core::result::Result<T,E>::unwrap::h6c4cd185c88c7d72
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852
[INFO] [stdout]   12:     0x55d2c8a7462e - queue_file::tests::new_queue_file_ex::hfb13ed12289117d6
[INFO] [stdout]                                at src/lib.rs:809
[INFO] [stdout]   13:     0x55d2c8a74539 - queue_file::tests::new_legacy_queue_file::h85062f9a3d037411
[INFO] [stdout]                                at src/lib.rs:802
[INFO] [stdout]   14:     0x55d2c8a770be - queue_file::tests::test_legacy_queue_file::h4ff7a9c47314b66d
[INFO] [stdout]                                at src/lib.rs:886
[INFO] [stdout]   15:     0x55d2c8a7708a - queue_file::tests::test_legacy_queue_file::{{closure}}::h2f2d25c5a64aa10d
[INFO] [stdout]                                at src/lib.rs:885
[INFO] [stdout]   16:     0x55d2c8a728ee - core::ops::function::FnOnce::call_once::h401111ac00cb5b14
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   17:     0x55d2c8a896ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   18:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   19:     0x55d2c8aa3cee - std::panicking::try::h5890cbed5d1d8df0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55d2c8aa3cee - std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d2c8aa3cee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]                                at src/libtest/lib.rs:1408
[INFO] [stdout]   22:     0x55d2c8a7f125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55d2c8a83335 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55d2c8a83335 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55d2c8a83335 - std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   27:     0x55d2c8a83932 - std::panicking::try::h332f368ed7d9b7d1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55d2c8a83932 - std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55d2c8a83932 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55d2c8a83932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   31:     0x55d2c8b4c52f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   32:     0x55d2c8b59f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   33:     0x55d2c8b59f70 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55d2c8b59f70 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f3215fb14a4 - start_thread
[INFO] [stdout]   36:     0x7f3215adcd0f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_queue_file stdout ----
[INFO] [stdout] thread 'tests::test_queue_file' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Io(Os { code: 30, kind: Other, message: "Read-only file system" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::h609afd8262d2d1ab (0x55d2c8b0fc33)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::he0055d06340dbfb1 (0x55d2c8b0f123)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671
[INFO] [stdout]    2: queue_file::Error::from_kind::hbe4e5e4dded27930 (0x55d2c8a6bd22)
[INFO] [stdout]              at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:72
[INFO] [stdout]    3: <queue_file::Error as core::convert::From<std::io::error::Error>>::from::h4f7162732fd57782 (0x55d2c8a6bde2)
[INFO] [stdout]              at src/lib.rs:36
[INFO] [stdout]    4: queue_file::QueueFile::init::hf6f1ee106b00b010 (0x55d2c8a64726)
[INFO] [stdout]              at src/lib.rs:154
[INFO] [stdout]    5: queue_file::QueueFile::open_internal::hd737a857ce88dfd5 (0x55d2c8a64fe9)
[INFO] [stdout]              at src/lib.rs:189
[INFO] [stdout]    6: queue_file::QueueFile::open::hfd251e21530c0759 (0x55d2c8a64e7c)
[INFO] [stdout]              at src/lib.rs:178
[INFO] [stdout]    7: queue_file::tests::new_queue_file_ex::hfb13ed12289117d6 (0x55d2c8a74601)
[INFO] [stdout]              at src/lib.rs:811
[INFO] [stdout]    8: queue_file::tests::new_queue_file::hfe26bb4f2f2813ee (0x55d2c8a74506)
[INFO] [stdout]              at src/lib.rs:798
[INFO] [stdout]    9: queue_file::tests::test_queue_file::h06d490dc99fdd34a (0x55d2c8a76c4e)
[INFO] [stdout]              at src/lib.rs:852
[INFO] [stdout]   10: queue_file::tests::test_queue_file::{{closure}}::hc649e400c676ae48 (0x55d2c8a76c1a)
[INFO] [stdout]              at src/lib.rs:851
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once::hab654cb5266f0be1 (0x55d2c8a7294e)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   12: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826 (0x55d2c8a896ff)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   14: std::panicking::try::h5890cbed5d1d8df0 (0x55d2c8aa3cee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]              at src/libtest/lib.rs:1408
[INFO] [stdout]   15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x55d2c8a7f125)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x55d2c8a83335)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   17: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   18: std::panicking::try::h332f368ed7d9b7d1 (0x55d2c8a83932)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250 (0x55d2c8b4c52f)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e (0x55d2c8b59f70)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]       std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21: start_thread (0x7f3215fb14a4)
[INFO] [stdout]   22: __clone (0x7f3215adcd0f)
[INFO] [stdout]   23: <unknown> (0x0)) } })', src/libcore/result.rs:1084:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2c8b574eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55d2c8b574eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2c8b574eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55d2c8b574eb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55d2c8b574eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55d2c8b5715c - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55d2c8b57c5d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55d2c8b577e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55d2c8b576c6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55d2c8b6ddcd - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55d2c8b6dec7 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stdout]                                at src/libcore/result.rs:1084
[INFO] [stdout]   11:     0x55d2c8a7b876 - core::result::Result<T,E>::unwrap::h6c4cd185c88c7d72
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852
[INFO] [stdout]   12:     0x55d2c8a74644 - queue_file::tests::new_queue_file_ex::hfb13ed12289117d6
[INFO] [stdout]                                at src/lib.rs:811
[INFO] [stdout]   13:     0x55d2c8a74506 - queue_file::tests::new_queue_file::hfe26bb4f2f2813ee
[INFO] [stdout]                                at src/lib.rs:798
[INFO] [stdout]   14:     0x55d2c8a76c4e - queue_file::tests::test_queue_file::h06d490dc99fdd34a
[INFO] [stdout]                                at src/lib.rs:852
[INFO] [stdout]   15:     0x55d2c8a76c1a - queue_file::tests::test_queue_file::{{closure}}::hc649e400c676ae48
[INFO] [stdout]                                at src/lib.rs:851
[INFO] [stdout]   16:     0x55d2c8a7294e - core::ops::function::FnOnce::call_once::hab654cb5266f0be1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   17:     0x55d2c8a896ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   18:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   19:     0x55d2c8aa3cee - std::panicking::try::h5890cbed5d1d8df0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55d2c8aa3cee - std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d2c8aa3cee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]                                at src/libtest/lib.rs:1408
[INFO] [stdout]   22:     0x55d2c8a7f125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55d2c8a83335 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55d2c8a83335 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55d2c8a83335 - std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   27:     0x55d2c8a83932 - std::panicking::try::h332f368ed7d9b7d1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55d2c8a83932 - std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55d2c8a83932 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55d2c8a83932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   31:     0x55d2c8b4c52f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   32:     0x55d2c8b59f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   33:     0x55d2c8b59f70 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55d2c8b59f70 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f3215fb14a4 - start_thread
[INFO] [stdout]   36:     0x7f3215adcd0f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_queue_file_iter stdout ----
[INFO] [stdout] thread 'tests::test_queue_file_iter' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Io(Os { code: 30, kind: Other, message: "Read-only file system" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::h609afd8262d2d1ab (0x55d2c8b0fc33)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::he0055d06340dbfb1 (0x55d2c8b0f123)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671
[INFO] [stdout]    2: queue_file::Error::from_kind::hbe4e5e4dded27930 (0x55d2c8a6bd22)
[INFO] [stdout]              at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:72
[INFO] [stdout]    3: <queue_file::Error as core::convert::From<std::io::error::Error>>::from::h4f7162732fd57782 (0x55d2c8a6bde2)
[INFO] [stdout]              at src/lib.rs:36
[INFO] [stdout]    4: queue_file::QueueFile::init::hf6f1ee106b00b010 (0x55d2c8a64726)
[INFO] [stdout]              at src/lib.rs:154
[INFO] [stdout]    5: queue_file::QueueFile::open_internal::hd737a857ce88dfd5 (0x55d2c8a64fe9)
[INFO] [stdout]              at src/lib.rs:189
[INFO] [stdout]    6: queue_file::QueueFile::open::hfd251e21530c0759 (0x55d2c8a64e7c)
[INFO] [stdout]              at src/lib.rs:178
[INFO] [stdout]    7: queue_file::tests::new_queue_file_ex::hfb13ed12289117d6 (0x55d2c8a74601)
[INFO] [stdout]              at src/lib.rs:811
[INFO] [stdout]    8: queue_file::tests::new_queue_file::hfe26bb4f2f2813ee (0x55d2c8a74506)
[INFO] [stdout]              at src/lib.rs:798
[INFO] [stdout]    9: queue_file::tests::test_queue_file_iter::h7e8b187de6b0f448 (0x55d2c8a75f16)
[INFO] [stdout]              at src/lib.rs:829
[INFO] [stdout]   10: queue_file::tests::test_queue_file_iter::{{closure}}::h8c4157b199cfeeef (0x55d2c8a75eda)
[INFO] [stdout]              at src/lib.rs:828
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once::h69ba265fbbb29b15 (0x55d2c8a7291e)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   12: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826 (0x55d2c8a896ff)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   14: std::panicking::try::h5890cbed5d1d8df0 (0x55d2c8aa3cee)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]              at src/libtest/lib.rs:1408
[INFO] [stdout]   15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x55d2c8a7f125)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x55d2c8a83335)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   17: __rust_maybe_catch_panic (0x55d2c8b5a83a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   18: std::panicking::try::h332f368ed7d9b7d1 (0x55d2c8a83932)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250 (0x55d2c8b4c52f)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e (0x55d2c8b59f70)
[INFO] [stdout]              at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]       std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21: start_thread (0x7f3215fb14a4)
[INFO] [stdout]   22: __clone (0x7f3215adcd0f)
[INFO] [stdout]   23: <unknown> (0x0)) } })', src/libcore/result.rs:1084:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2c8b574eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55d2c8b574eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2c8b574eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55d2c8b574eb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55d2c8b574eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55d2c8b5715c - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55d2c8b57c5d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55d2c8b577e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55d2c8b576c6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55d2c8b6ddcd - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55d2c8b6dec7 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stdout]                                at src/libcore/result.rs:1084
[INFO] [stdout]   11:     0x55d2c8a7b876 - core::result::Result<T,E>::unwrap::h6c4cd185c88c7d72
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852
[INFO] [stdout]   12:     0x55d2c8a74644 - queue_file::tests::new_queue_file_ex::hfb13ed12289117d6
[INFO] [stdout]                                at src/lib.rs:811
[INFO] [stdout]   13:     0x55d2c8a74506 - queue_file::tests::new_queue_file::hfe26bb4f2f2813ee
[INFO] [stdout]                                at src/lib.rs:798
[INFO] [stdout]   14:     0x55d2c8a75f16 - queue_file::tests::test_queue_file_iter::h7e8b187de6b0f448
[INFO] [stdout]                                at src/lib.rs:829
[INFO] [stdout]   15:     0x55d2c8a75eda - queue_file::tests::test_queue_file_iter::{{closure}}::h8c4157b199cfeeef
[INFO] [stdout]                                at src/lib.rs:828
[INFO] [stdout]   16:     0x55d2c8a7291e - core::ops::function::FnOnce::call_once::h69ba265fbbb29b15
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   17:     0x55d2c8a896ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h355e655b04400826
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   18:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   19:     0x55d2c8aa3cee - std::panicking::try::h5890cbed5d1d8df0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55d2c8aa3cee - std::panic::catch_unwind::hf93cc71fc6442fdf
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d2c8aa3cee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d
[INFO] [stdout]                                at src/libtest/lib.rs:1408
[INFO] [stdout]   22:     0x55d2c8a7f125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55d2c8a83335 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55d2c8a83335 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55d2c8a83335 - std::panicking::try::do_call::hfd443b32b22f72a6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55d2c8b5a83a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   27:     0x55d2c8a83932 - std::panicking::try::h332f368ed7d9b7d1
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55d2c8a83932 - std::panic::catch_unwind::h316b7be8b4198222
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55d2c8a83932 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55d2c8a83932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stdout]   31:     0x55d2c8b4c52f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hb5396a93648ae250
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   32:     0x55d2c8b59f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h92593001847bb63e
[INFO] [stdout]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787
[INFO] [stdout]   33:     0x55d2c8b59f70 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55d2c8b59f70 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f3215fb14a4 - start_thread
[INFO] [stdout]   36:     0x7f3215adcd0f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_legacy_queue_file
[INFO] [stdout]     tests::test_legacy_queue_file_with_zero
[INFO] [stdout]     tests::test_queue_file
[INFO] [stdout]     tests::test_queue_file_iter
[INFO] [stdout]     tests::test_queue_file_with_zero
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "b7f6aed072abd9c178b6f373859ad34daa70224d6fb625ab5402c79f34a4bdf9"`
[INFO] running `"docker" "rm" "-f" "b7f6aed072abd9c178b6f373859ad34daa70224d6fb625ab5402c79f34a4bdf9"`
[INFO] [stdout] b7f6aed072abd9c178b6f373859ad34daa70224d6fb625ab5402c79f34a4bdf9